matter.min.js

/*!
 * matter-js 0.17.1 by @liabru
 * http://brm.io/matter-js/
 * License MIT
 */
!function (e, t) { "object" == typeof exports && "object" == typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define("Matter", [], t) : "object" == typeof exports ? exports.Matter = t() : e.Matter = t() }(this, (function () { return function (e) { var t = {}; function n(i) { if (t[i]) return t[i].exports; var o = t[i] = { i: i, l: !1, exports: {} }; return e[i].call(o.exports, o, o.exports, n), o.l = !0, o.exports } return n.m = e, n.c = t, n.d = function (e, t, i) { n.o(e, t) || Object.defineProperty(e, t, { enumerable: !0, get: i }) }, n.r = function (e) { "undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, { value: "Module" }), Object.defineProperty(e, "__esModule", { value: !0 }) }, n.t = function (e, t) { if (1 & t && (e = n(e)), 8 & t) return e; if (4 & t && "object" == typeof e && e && e.__esModule) return e; var i = Object.create(null); if (n.r(i), Object.defineProperty(i, "default", { enumerable: !0, value: e }), 2 & t && "string" != typeof e) for (var o in e) n.d(i, o, function (t) { return e[t] }.bind(null, o)); return i }, n.n = function (e) { var t = e && e.__esModule ? function () { return e.default } : function () { return e }; return n.d(t, "a", t), t }, n.o = function (e, t) { return Object.prototype.hasOwnProperty.call(e, t) }, n.p = "", n(n.s = 22) }([function (e, t) { var n = {}; e.exports = n, function () { n._nextId = 0, n._seed = 0, n._nowStartTime = +new Date, n._warnedOnce = {}, n._decomp = null, n.extend = function (e, t) { var i, o; "boolean" == typeof t ? (i = 2, o = t) : (i = 1, o = !0); for (var r = i; r < arguments.length; r++) { var a = arguments[r]; if (a) for (var s in a) o && a[s] && a[s].constructor === Object ? e[s] && e[s].constructor !== Object ? e[s] = a[s] : (e[s] = e[s] || {}, n.extend(e[s], o, a[s])) : e[s] = a[s] } return e }, n.clone = function (e, t) { return n.extend({}, t, e) }, n.keys = function (e) { if (Object.keys) return Object.keys(e); var t = []; for (var n in e) t.push(n); return t }, n.values = function (e) { var t = []; if (Object.keys) { for (var n = Object.keys(e), i = 0; i < n.length; i++)t.push(e[n[i]]); return t } for (var o in e) t.push(e[o]); return t }, n.get = function (e, t, n, i) { t = t.split(".").slice(n, i); for (var o = 0; o < t.length; o += 1)e = e[t[o]]; return e }, n.set = function (e, t, i, o, r) { var a = t.split(".").slice(o, r); return n.get(e, t, 0, -1)[a[a.length - 1]] = i, i }, n.shuffle = function (e) { for (var t = e.length - 1; t > 0; t--) { var i = Math.floor(n.random() * (t + 1)), o = e[t]; e[t] = e[i], e[i] = o } return e }, n.choose = function (e) { return e[Math.floor(n.random() * e.length)] }, n.isElement = function (e) { return "undefined" != typeof HTMLElement ? e instanceof HTMLElement : !!(e && e.nodeType && e.nodeName) }, n.isArray = function (e) { return "[object Array]" === Object.prototype.toString.call(e) }, n.isFunction = function (e) { return "function" == typeof e }, n.isPlainObject = function (e) { return "object" == typeof e && e.constructor === Object }, n.isString = function (e) { return "[object String]" === toString.call(e) }, n.clamp = function (e, t, n) { return e < t ? t : e > n ? n : e }, n.sign = function (e) { return e < 0 ? -1 : 1 }, n.now = function () { if ("undefined" != typeof window && window.performance) { if (window.performance.now) return window.performance.now(); if (window.performance.webkitNow) return window.performance.webkitNow() } return Date.now ? 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n / 2 : Math.abs(n) / 2 }, i.inertia = function (e, t) { for (var n, i, r = 0, a = 0, s = e, l = 0; l < s.length; l++)i = (l + 1) % s.length, r += (n = Math.abs(o.cross(s[i], s[l]))) * (o.dot(s[i], s[i]) + o.dot(s[i], s[l]) + o.dot(s[l], s[l])), a += n; return t / 6 * (r / a) }, i.translate = function (e, t, n) { var i; if (n) for (i = 0; i < e.length; i++)e[i].x += t.x * n, e[i].y += t.y * n; else for (i = 0; i < e.length; i++)e[i].x += t.x, e[i].y += t.y; return e }, i.rotate = function (e, t, n) { if (0 !== t) { for (var i = Math.cos(t), o = Math.sin(t), r = 0; r < e.length; r++) { var a = e[r], s = a.x - n.x, l = a.y - n.y; a.x = n.x + (s * i - l * o), a.y = n.y + (s * o + l * i) } return e } }, i.contains = function (e, t) { for (var n = 0; n < e.length; n++) { var i = e[n], o = e[(n + 1) % e.length]; if ((t.x - i.x) * (o.y - i.y) + (t.y - i.y) * (i.x - o.x) > 0) return !1 } return !0 }, i.scale = function (e, t, n, r) { if (1 === t && 1 === n) return e; var a, s; r = r || i.centre(e); for (var l = 0; l < e.length; l++)a = e[l], s = o.sub(a, r), e[l].x = r.x + s.x * t, e[l].y = r.y + s.y * n; return e }, i.chamfer = function (e, t, n, i, a) { t = "number" == typeof t ? 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r |= 1 : o > 0 && (r |= 2), 3 === r) return !1; return 0 !== r || null }, i.hull = function (e) { var t, n, i = [], r = []; for ((e = e.slice(0)).sort((function (e, t) { var n = e.x - t.x; return 0 !== n ? n : e.y - t.y })), n = 0; n < e.length; n += 1) { for (t = e[n]; r.length >= 2 && o.cross3(r[r.length - 2], r[r.length - 1], t) <= 0;)r.pop(); r.push(t) } for (n = e.length - 1; n >= 0; n -= 1) { for (t = e[n]; i.length >= 2 && o.cross3(i[i.length - 2], i[i.length - 1], t) <= 0;)i.pop(); i.push(t) } return i.pop(), r.pop(), i.concat(r) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(0); i.on = function (e, t, n) { for (var i, o = t.split(" "), r = 0; r < o.length; r++)i = o[r], e.events = e.events || {}, e.events[i] = e.events[i] || [], e.events[i].push(n); return n }, i.off = function (e, t, n) { if (t) { "function" == typeof t && (n = t, t = o.keys(e.events).join(" ")); for (var i = t.split(" "), r = 0; r < i.length; r++) { var a = e.events[i[r]], s = []; if (n && a) for (var l = 0; l < a.length; l++)a[l] !== n && s.push(a[l]); e.events[i[r]] = s } } else e.events = {} }, i.trigger = function (e, t, n) { var i, r, a, s, l = e.events; if (l && o.keys(l).length > 0) { n || (n = {}), i = t.split(" "); for (var c = 0; c < i.length; c++)if (a = l[r = i[c]]) { (s = o.clone(n, !1)).name = r, s.source = e; for (var u = 0; u < a.length; u++)a[u].apply(e, [s]) } } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(4), r = n(0), a = n(1), s = n(6); i.create = function (e) { return r.extend({ id: r.nextId(), type: "composite", parent: null, isModified: !1, bodies: [], constraints: [], composites: [], label: "Composite", plugin: {} }, e) }, i.setModified = function (e, t, n, o) { if (e.isModified = t, n && e.parent && i.setModified(e.parent, t, n, o), o) for (var r = 0; r < e.composites.length; r++) { var a = e.composites[r]; i.setModified(a, t, n, o) } }, i.add = function (e, t) { var n = [].concat(t); o.trigger(e, "beforeAdd", { object: t }); for (var a = 0; a < n.length; a++) { var s = n[a]; switch (s.type) { case "body": if (s.parent !== s) { r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)"); break } i.addBody(e, s); break; case "constraint": i.addConstraint(e, s); break; case "composite": i.addComposite(e, s); break; case "mouseConstraint": i.addConstraint(e, s.constraint) } } return o.trigger(e, "afterAdd", { object: t }), e }, i.remove = function (e, t, n) { var r = [].concat(t); o.trigger(e, "beforeRemove", { object: t }); for (var a = 0; a < r.length; a++) { var s = r[a]; switch (s.type) { case "body": i.removeBody(e, s, n); break; case "constraint": i.removeConstraint(e, s, n); break; case "composite": i.removeComposite(e, s, n); break; case "mouseConstraint": i.removeConstraint(e, s.constraint) } } return o.trigger(e, "afterRemove", { object: t }), e }, i.addComposite = function (e, t) { return e.composites.push(t), t.parent = e, i.setModified(e, !0, !0, !1), e }, i.removeComposite = function (e, t, n) { var o = r.indexOf(e.composites, t); if (-1 !== o && (i.removeCompositeAt(e, o), i.setModified(e, !0, !0, !1)), n) for (var a = 0; a < e.composites.length; a++)i.removeComposite(e.composites[a], t, !0); return e }, i.removeCompositeAt = function (e, t) { return e.composites.splice(t, 1), i.setModified(e, !0, !0, !1), e }, i.addBody = function (e, t) { return e.bodies.push(t), i.setModified(e, !0, !0, !1), e }, i.removeBody = function (e, t, n) { var o = r.indexOf(e.bodies, t); if (-1 !== o && (i.removeBodyAt(e, o), i.setModified(e, !0, !0, !1)), n) for (var a = 0; a < e.composites.length; a++)i.removeBody(e.composites[a], t, !0); return e }, i.removeBodyAt = function (e, t) { return e.bodies.splice(t, 1), i.setModified(e, !0, !0, !1), e }, i.addConstraint = function (e, t) { return e.constraints.push(t), i.setModified(e, !0, !0, !1), e }, i.removeConstraint = function (e, t, n) { var o = r.indexOf(e.constraints, t); if (-1 !== o && i.removeConstraintAt(e, o), n) for (var a = 0; a < e.composites.length; a++)i.removeConstraint(e.composites[a], t, !0); return e }, i.removeConstraintAt = function (e, t) { return e.constraints.splice(t, 1), i.setModified(e, !0, !0, !1), e }, i.clear = function (e, t, n) { if (n) for (var o = 0; o < e.composites.length; o++)i.clear(e.composites[o], t, !0); return t ? e.bodies = e.bodies.filter((function (e) { return e.isStatic })) : e.bodies.length = 0, e.constraints.length = 0, e.composites.length = 0, i.setModified(e, !0, !0, !1), e }, i.allBodies = function (e) { for (var t = [].concat(e.bodies), n = 0; n < e.composites.length; n++)t = t.concat(i.allBodies(e.composites[n])); return t }, i.allConstraints = function (e) { for (var t = [].concat(e.constraints), n = 0; n < e.composites.length; n++)t = t.concat(i.allConstraints(e.composites[n])); return t }, i.allComposites = function (e) { for (var t = [].concat(e.composites), n = 0; n < e.composites.length; n++)t = t.concat(i.allComposites(e.composites[n])); return t }, i.get = function (e, t, n) { var o, r; switch (n) { case "body": o = i.allBodies(e); break; case "constraint": o = i.allConstraints(e); break; case "composite": o = i.allComposites(e).concat(e) }return o ? 0 === (r = o.filter((function (e) { return e.id.toString() === t.toString() }))).length ? null : r[0] : null }, i.move = function (e, t, n) { return i.remove(e, t), i.add(n, t), e }, i.rebase = function (e) { for (var t = i.allBodies(e).concat(i.allConstraints(e)).concat(i.allComposites(e)), n = 0; n < t.length; n++)t[n].id = r.nextId(); return i.setModified(e, !0, !0, !1), e }, i.translate = function (e, t, n) { for (var o = n ? i.allBodies(e) : e.bodies, r = 0; r < o.length; r++)s.translate(o[r], t); return i.setModified(e, !0, !0, !1), e }, i.rotate = function (e, t, n, o) { for (var r = Math.cos(t), a = Math.sin(t), l = o ? i.allBodies(e) : e.bodies, c = 0; c < l.length; c++) { var u = l[c], d = u.position.x - n.x, p = u.position.y - n.y; s.setPosition(u, { x: n.x + (d * r - p * a), y: n.y + (d * a + p * r) }), s.rotate(u, t) } return i.setModified(e, !0, !0, !1), e }, i.scale = function (e, t, n, o, r) { for (var a = r ? i.allBodies(e) : e.bodies, l = 0; l < a.length; l++) { var c = a[l], u = c.position.x - o.x, d = c.position.y - o.y; s.setPosition(c, { x: o.x + u * t, y: o.y + d * n }), s.scale(c, t, n) } return i.setModified(e, !0, !0, !1), e }, i.bounds = function (e) { for (var t = i.allBodies(e), n = [], o = 0; o < t.length; o += 1) { var r = t[o]; n.push(r.bounds.min, r.bounds.max) } return a.create(n) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(2), a = n(7), s = (n(16), n(0)), l = n(1), c = n(10); !function () { i._inertiaScale = 4, i._nextCollidingGroupId = 1, i._nextNonCollidingGroupId = -1, i._nextCategory = 1, i.create = function (t) { var n = { id: s.nextId(), type: "body", label: "Body", parts: [], plugin: {}, angle: 0, vertices: o.fromPath("L 0 0 L 40 0 L 40 40 L 0 40"), position: { x: 0, y: 0 }, force: { x: 0, y: 0 }, torque: 0, positionImpulse: { x: 0, y: 0 }, constraintImpulse: { x: 0, y: 0, angle: 0 }, totalContacts: 0, speed: 0, angularSpeed: 0, velocity: { x: 0, y: 0 }, angularVelocity: 0, isSensor: !1, isStatic: !1, isSleeping: !1, motion: 0, sleepThreshold: 60, density: .001, restitution: 0, friction: .1, frictionStatic: .5, frictionAir: .01, collisionFilter: { category: 1, mask: 4294967295, group: 0 }, slop: .05, timeScale: 1, render: { visible: !0, opacity: 1, strokeStyle: null, fillStyle: null, lineWidth: null, sprite: { xScale: 1, yScale: 1, xOffset: 0, yOffset: 0 } }, events: null, bounds: null, chamfer: null, circleRadius: 0, positionPrev: null, anglePrev: 0, parent: null, axes: null, area: 0, mass: 0, inertia: 0, _original: null }, i = s.extend(n, t); return e(i, t), i }, i.nextGroup = function (e) { return e ? i._nextNonCollidingGroupId-- : i._nextCollidingGroupId++ }, i.nextCategory = function () { return i._nextCategory = i._nextCategory << 1, i._nextCategory }; var e = function (e, t) { t = t || {}, i.set(e, { bounds: e.bounds || l.create(e.vertices), positionPrev: e.positionPrev || r.clone(e.position), anglePrev: e.anglePrev || e.angle, vertices: e.vertices, parts: e.parts || [e], isStatic: e.isStatic, isSleeping: e.isSleeping, parent: e.parent || e }), o.rotate(e.vertices, e.angle, e.position), c.rotate(e.axes, e.angle), l.update(e.bounds, e.vertices, e.velocity), i.set(e, { axes: t.axes || e.axes, area: t.area || e.area, mass: t.mass || e.mass, inertia: t.inertia || e.inertia }); var n = e.isStatic ? "#14151f" : s.choose(["#f19648", "#f5d259", "#f55a3c", "#063e7b", "#ececd1"]), a = e.isStatic ? "#555" : "#ccc", u = e.isStatic && null === e.render.fillStyle ? 1 : 0; e.render.fillStyle = e.render.fillStyle || n, e.render.strokeStyle = e.render.strokeStyle || a, e.render.lineWidth = e.render.lineWidth || u, e.render.sprite.xOffset += -(e.bounds.min.x - e.position.x) / (e.bounds.max.x - e.bounds.min.x), e.render.sprite.yOffset += -(e.bounds.min.y - e.position.y) / (e.bounds.max.y - e.bounds.min.y) }; i.set = function (e, t, n) { var o; for (o in "string" == typeof t && (o = t, (t = {})[o] = n), t) if (Object.prototype.hasOwnProperty.call(t, o)) switch (n = t[o], o) { case "isStatic": i.setStatic(e, n); break; case "isSleeping": a.set(e, n); break; case "mass": i.setMass(e, n); break; case "density": i.setDensity(e, n); break; case "inertia": i.setInertia(e, n); break; case "vertices": i.setVertices(e, n); break; case "position": i.setPosition(e, n); break; case "angle": i.setAngle(e, n); break; case "velocity": i.setVelocity(e, n); break; case "angularVelocity": i.setAngularVelocity(e, n); break; case "parts": i.setParts(e, n); break; case "centre": i.setCentre(e, n); break; default: e[o] = n } }, i.setStatic = function (e, t) { for (var n = 0; n < e.parts.length; n++) { var i = e.parts[n]; i.isStatic = t, t ? (i._original = { restitution: i.restitution, friction: i.friction, mass: i.mass, inertia: i.inertia, density: i.density, inverseMass: i.inverseMass, inverseInertia: i.inverseInertia }, i.restitution = 0, i.friction = 1, i.mass = i.inertia = i.density = 1 / 0, i.inverseMass = i.inverseInertia = 0, i.positionPrev.x = i.position.x, i.positionPrev.y = i.position.y, i.anglePrev = i.angle, i.angularVelocity = 0, i.speed = 0, i.angularSpeed = 0, i.motion = 0) : i._original && (i.restitution = i._original.restitution, i.friction = i._original.friction, i.mass = i._original.mass, i.inertia = i._original.inertia, i.density = i._original.density, i.inverseMass = i._original.inverseMass, i.inverseInertia = i._original.inverseInertia, i._original = null) } }, i.setMass = function (e, t) { var n = e.inertia / (e.mass / 6); e.inertia = n * (t / 6), e.inverseInertia = 1 / e.inertia, e.mass = t, e.inverseMass = 1 / e.mass, e.density = e.mass / e.area }, i.setDensity = function (e, t) { i.setMass(e, t * e.area), e.density = t }, i.setInertia = function (e, t) { e.inertia = t, e.inverseInertia = 1 / e.inertia }, i.setVertices = function (e, t) { t[0].body === e ? e.vertices = t : e.vertices = o.create(t, e), e.axes = c.fromVertices(e.vertices), e.area = o.area(e.vertices), i.setMass(e, e.density * e.area); var n = o.centre(e.vertices); o.translate(e.vertices, n, -1), i.setInertia(e, i._inertiaScale * o.inertia(e.vertices, e.mass)), o.translate(e.vertices, e.position), l.update(e.bounds, e.vertices, e.velocity) }, i.setParts = function (e, t, n) { var r; for (t = t.slice(0), e.parts.length = 0, e.parts.push(e), e.parent = e, r = 0; r < t.length; r++) { var a = t[r]; a !== e && (a.parent = e, e.parts.push(a)) } if (1 !== e.parts.length) { if (n = void 0 === n || n) { var s = []; for (r = 0; r < t.length; r++)s = s.concat(t[r].vertices); o.clockwiseSort(s); var l = o.hull(s), c = o.centre(l); i.setVertices(e, l), o.translate(e.vertices, c) } var u = i._totalProperties(e); e.area = u.area, e.parent = e, e.position.x = u.centre.x, e.position.y = u.centre.y, e.positionPrev.x = u.centre.x, e.positionPrev.y = u.centre.y, i.setMass(e, u.mass), i.setInertia(e, u.inertia), i.setPosition(e, u.centre) } }, i.setCentre = function (e, t, n) { n ? (e.positionPrev.x += t.x, e.positionPrev.y += t.y, e.position.x += t.x, e.position.y += t.y) : (e.positionPrev.x = t.x - (e.position.x - e.positionPrev.x), e.positionPrev.y = t.y - (e.position.y - e.positionPrev.y), e.position.x = t.x, e.position.y = t.y) }, i.setPosition = function (e, t) { var n = r.sub(t, e.position); e.positionPrev.x += n.x, e.positionPrev.y += n.y; for (var i = 0; i < e.parts.length; i++) { var a = e.parts[i]; a.position.x += n.x, a.position.y += n.y, o.translate(a.vertices, n), l.update(a.bounds, a.vertices, e.velocity) } }, i.setAngle = function (e, t) { var n = t - e.angle; e.anglePrev += n; for (var i = 0; i < e.parts.length; i++) { var a = e.parts[i]; a.angle += n, o.rotate(a.vertices, n, e.position), c.rotate(a.axes, n), l.update(a.bounds, a.vertices, e.velocity), i > 0 && r.rotateAbout(a.position, n, e.position, a.position) } }, i.setVelocity = function (e, t) { e.positionPrev.x = e.position.x - t.x, e.positionPrev.y = e.position.y - t.y, e.velocity.x = t.x, e.velocity.y = t.y, e.speed = r.magnitude(e.velocity) }, i.setAngularVelocity = function (e, t) { e.anglePrev = e.angle - t, e.angularVelocity = t, e.angularSpeed = Math.abs(e.angularVelocity) }, i.translate = function (e, t) { i.setPosition(e, r.add(e.position, t)) }, i.rotate = function (e, t, n) { if (n) { var o = Math.cos(t), r = Math.sin(t), a = e.position.x - n.x, s = e.position.y - n.y; i.setPosition(e, { x: n.x + (a * o - s * r), y: n.y + (a * r + s * o) }), i.setAngle(e, e.angle + t) } else i.setAngle(e, e.angle + t) }, i.scale = function (e, t, n, r) { var a = 0, s = 0; r = r || e.position; for (var u = 0; u < e.parts.length; u++) { var d = e.parts[u]; o.scale(d.vertices, t, n, r), d.axes = c.fromVertices(d.vertices), d.area = o.area(d.vertices), i.setMass(d, e.density * d.area), o.translate(d.vertices, { x: -d.position.x, y: -d.position.y }), i.setInertia(d, i._inertiaScale * o.inertia(d.vertices, d.mass)), o.translate(d.vertices, { x: d.position.x, y: d.position.y }), u > 0 && (a += d.area, s += d.inertia), d.position.x = r.x + (d.position.x - r.x) * t, d.position.y = r.y + (d.position.y - r.y) * n, l.update(d.bounds, d.vertices, e.velocity) } e.parts.length > 1 && (e.area = a, e.isStatic || (i.setMass(e, e.density * a), i.setInertia(e, s))), e.circleRadius && (t === n ? e.circleRadius *= t : e.circleRadius = null) }, i.update = function (e, t, n, i) { var a = Math.pow(t * n * e.timeScale, 2), s = 1 - e.frictionAir * n * e.timeScale, u = e.position.x - e.positionPrev.x, d = e.position.y - e.positionPrev.y; e.velocity.x = u * s * i + e.force.x / e.mass * a, e.velocity.y = d * s * i + e.force.y / e.mass * a, e.positionPrev.x = e.position.x, e.positionPrev.y = e.position.y, e.position.x += e.velocity.x, e.position.y += e.velocity.y, e.angularVelocity = (e.angle - e.anglePrev) * s * i + e.torque / e.inertia * a, e.anglePrev = e.angle, e.angle += e.angularVelocity, e.speed = r.magnitude(e.velocity), e.angularSpeed = Math.abs(e.angularVelocity); for (var p = 0; p < e.parts.length; p++) { var f = e.parts[p]; o.translate(f.vertices, e.velocity), p > 0 && (f.position.x += e.velocity.x, f.position.y += e.velocity.y), 0 !== e.angularVelocity && (o.rotate(f.vertices, e.angularVelocity, e.position), c.rotate(f.axes, e.angularVelocity), p > 0 && r.rotateAbout(f.position, e.angularVelocity, e.position, f.position)), l.update(f.bounds, f.vertices, e.velocity) } }, i.applyForce = function (e, t, n) { e.force.x += n.x, e.force.y += n.y; var i = t.x - e.position.x, o = t.y - e.position.y; e.torque += i * n.y - o * n.x }, i._totalProperties = function (e) { for (var t = { mass: 0, area: 0, inertia: 0, centre: { x: 0, y: 0 } }, n = 1 === e.parts.length ? 0 : 1; n < e.parts.length; n++) { var i = e.parts[n], o = i.mass !== 1 / 0 ? i.mass : 1; t.mass += o, t.area += i.area, t.inertia += i.inertia, t.centre = r.add(t.centre, r.mult(i.position, o)) } return t.centre = r.div(t.centre, t.mass), t } }() }, function (e, t, n) { var i = {}; e.exports = i; var o = n(4); i._motionWakeThreshold = .18, i._motionSleepThreshold = .08, i._minBias = .9, i.update = function (e, t) { for (var n = t * t * t, o = 0; o < e.length; o++) { var r = e[o], a = r.speed * r.speed + r.angularSpeed * r.angularSpeed; if (0 === r.force.x && 0 === r.force.y) { var s = Math.min(r.motion, a), l = Math.max(r.motion, a); r.motion = i._minBias * s + (1 - i._minBias) * l, r.sleepThreshold > 0 && r.motion < i._motionSleepThreshold * n ? (r.sleepCounter += 1, r.sleepCounter >= r.sleepThreshold && i.set(r, !0)) : r.sleepCounter > 0 && (r.sleepCounter -= 1) } else i.set(r, !1) } }, i.afterCollisions = function (e, t) { for (var n = t * t * t, o = 0; o < e.length; o++) { var r = e[o]; if (r.isActive) { var a = r.collision, s = a.bodyA.parent, l = a.bodyB.parent; if (!(s.isSleeping && l.isSleeping || s.isStatic || l.isStatic) && (s.isSleeping || l.isSleeping)) { var c = s.isSleeping && !s.isStatic ? s : l, u = c === s ? l : s; !c.isStatic && u.motion > i._motionWakeThreshold * n && i.set(c, !1) } } } }, i.set = function (e, t) { var n = e.isSleeping; t ? (e.isSleeping = !0, e.sleepCounter = e.sleepThreshold, e.positionImpulse.x = 0, e.positionImpulse.y = 0, e.positionPrev.x = e.position.x, e.positionPrev.y = e.position.y, e.anglePrev = e.angle, e.speed = 0, e.angularSpeed = 0, e.motion = 0, n || o.trigger(e, "sleepStart")) : (e.isSleeping = !1, e.sleepCounter = 0, n && o.trigger(e, "sleepEnd")) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(2), a = n(7), s = n(1), l = n(10), c = n(0); i._warming = .4, i._torqueDampen = 1, i._minLength = 1e-6, i.create = function (e) { var t = e; t.bodyA && !t.pointA && (t.pointA = { x: 0, y: 0 }), t.bodyB && !t.pointB && (t.pointB = { x: 0, y: 0 }); var n = t.bodyA ? r.add(t.bodyA.position, t.pointA) : t.pointA, i = t.bodyB ? r.add(t.bodyB.position, t.pointB) : t.pointB, o = r.magnitude(r.sub(n, i)); t.length = void 0 !== t.length ? t.length : o, t.id = t.id || c.nextId(), t.label = t.label || "Constraint", t.type = "constraint", t.stiffness = t.stiffness || (t.length > 0 ? 1 : .7), t.damping = t.damping || 0, t.angularStiffness = t.angularStiffness || 0, t.angleA = t.bodyA ? t.bodyA.angle : t.angleA, t.angleB = t.bodyB ? t.bodyB.angle : t.angleB, t.plugin = {}; var a = { visible: !0, lineWidth: 2, strokeStyle: "#ffffff", type: "line", anchors: !0 }; return 0 === t.length && t.stiffness > .1 ? (a.type = "pin", a.anchors = !1) : t.stiffness < .9 && (a.type = "spring"), t.render = c.extend(a, t.render), t }, i.preSolveAll = function (e) { for (var t = 0; t < e.length; t += 1) { var n = e[t], i = n.constraintImpulse; n.isStatic || 0 === i.x && 0 === i.y && 0 === i.angle || (n.position.x += i.x, n.position.y += i.y, n.angle += i.angle) } }, i.solveAll = function (e, t) { for (var n = 0; n < e.length; n += 1) { var o = e[n], r = !o.bodyA || o.bodyA && o.bodyA.isStatic, a = !o.bodyB || o.bodyB && o.bodyB.isStatic; (r || a) && i.solve(e[n], t) } for (n = 0; n < e.length; n += 1)r = !(o = e[n]).bodyA || o.bodyA && o.bodyA.isStatic, a = !o.bodyB || o.bodyB && o.bodyB.isStatic, r || a || i.solve(e[n], t) }, i.solve = function (e, t) { var n = e.bodyA, o = e.bodyB, a = e.pointA, s = e.pointB; if (n || o) { n && !n.isStatic && (r.rotate(a, n.angle - e.angleA, a), e.angleA = n.angle), o && !o.isStatic && (r.rotate(s, o.angle - e.angleB, s), e.angleB = o.angle); var l = a, c = s; if (n && (l = r.add(n.position, a)), o && (c = r.add(o.position, s)), l && c) { var u = r.sub(l, c), d = r.magnitude(u); d < i._minLength && (d = i._minLength); var p, f, v, m, y, g = (d - e.length) / d, x = e.stiffness < 1 ? e.stiffness * t : e.stiffness, h = r.mult(u, g * x), b = (n ? n.inverseMass : 0) + (o ? o.inverseMass : 0), S = b + ((n ? n.inverseInertia : 0) + (o ? o.inverseInertia : 0)); if (e.damping) { var w = r.create(); v = r.div(u, d), y = r.sub(o && r.sub(o.position, o.positionPrev) || w, n && r.sub(n.position, n.positionPrev) || w), m = r.dot(v, y) } n && !n.isStatic && (f = n.inverseMass / b, n.constraintImpulse.x -= h.x * f, n.constraintImpulse.y -= h.y * f, n.position.x -= h.x * f, n.position.y -= h.y * f, e.damping && (n.positionPrev.x -= e.damping * v.x * m * f, n.positionPrev.y -= e.damping * v.y * m * f), p = r.cross(a, h) / S * i._torqueDampen * n.inverseInertia * (1 - e.angularStiffness), n.constraintImpulse.angle -= p, n.angle -= p), o && !o.isStatic && (f = o.inverseMass / b, o.constraintImpulse.x += h.x * f, o.constraintImpulse.y += h.y * f, o.position.x += h.x * f, o.position.y += h.y * f, e.damping && (o.positionPrev.x += e.damping * v.x * m * f, o.positionPrev.y += e.damping * v.y * m * f), p = r.cross(s, h) / S * i._torqueDampen * o.inverseInertia * (1 - e.angularStiffness), o.constraintImpulse.angle += p, o.angle += p) } } }, i.postSolveAll = function (e) { for (var t = 0; t < e.length; t++) { var n = e[t], c = n.constraintImpulse; if (!(n.isStatic || 0 === c.x && 0 === c.y && 0 === c.angle)) { a.set(n, !1); for (var u = 0; u < n.parts.length; u++) { var d = n.parts[u]; o.translate(d.vertices, c), u > 0 && (d.position.x += c.x, d.position.y += c.y), 0 !== c.angle && (o.rotate(d.vertices, c.angle, n.position), l.rotate(d.axes, c.angle), u > 0 && r.rotateAbout(d.position, c.angle, n.position, d.position)), s.update(d.bounds, d.vertices, n.velocity) } c.angle *= i._warming, c.x *= i._warming, c.y *= i._warming } } }, i.pointAWorld = function (e) { return { x: (e.bodyA ? e.bodyA.position.x : 0) + e.pointA.x, y: (e.bodyA ? e.bodyA.position.y : 0) + e.pointA.y } }, i.pointBWorld = function (e) { return { x: (e.bodyB ? e.bodyB.position.x : 0) + e.pointB.x, y: (e.bodyB ? e.bodyB.position.y : 0) + e.pointB.y } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(17); i.create = function (e, t) { var n = e.bodyA, o = e.bodyB, r = e.parentA, a = e.parentB, s = { id: i.id(n, o), bodyA: n, bodyB: o, contacts: {}, activeContacts: [], separation: 0, isActive: !0, confirmedActive: !0, isSensor: n.isSensor || o.isSensor, timeCreated: t, timeUpdated: t, inverseMass: r.inverseMass + a.inverseMass, friction: Math.min(r.friction, a.friction), frictionStatic: Math.max(r.frictionStatic, a.frictionStatic), restitution: Math.max(r.restitution, a.restitution), slop: Math.max(r.slop, a.slop) }; return i.update(s, e, t), s }, i.update = function (e, t, n) { var r = e.contacts, a = t.supports, s = e.activeContacts, l = t.parentA, c = t.parentB; if (e.collision = t, e.inverseMass = l.inverseMass + c.inverseMass, e.friction = Math.min(l.friction, c.friction), e.frictionStatic = Math.max(l.frictionStatic, c.frictionStatic), e.restitution = Math.max(l.restitution, c.restitution), e.slop = Math.max(l.slop, c.slop), s.length = 0, t.collided) { for (var u = 0; u < a.length; u++) { var d = a[u], p = o.id(d), f = r[p]; f ? s.push(f) : s.push(r[p] = o.create(d)) } e.separation = t.depth, i.setActive(e, !0, n) } else !0 === e.isActive && i.setActive(e, !1, n) }, i.setActive = function (e, t, n) { t ? (e.isActive = !0, e.timeUpdated = n) : (e.isActive = !1, e.activeContacts.length = 0) }, i.id = function (e, t) { return e.id < t.id ? "A" + e.id + "B" + t.id : "A" + t.id + "B" + e.id } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(2), r = n(0); i.fromVertices = function (e) { for (var t = {}, n = 0; n < e.length; n++) { var i = (n + 1) % e.length, a = o.normalise({ x: e[i].y - e[n].y, y: e[n].x - e[i].x }), s = 0 === a.y ? 1 / 0 : a.x / a.y; t[s = s.toFixed(3).toString()] = a } return r.values(t) }, i.rotate = function (e, t) { if (0 !== t) for (var n = Math.cos(t), i = Math.sin(t), o = 0; o < e.length; o++) { var r, a = e[o]; r = a.x * n - a.y * i, a.y = a.x * i + a.y * n, a.x = r } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(0), a = n(6), s = n(1), l = n(2); i.rectangle = function (e, t, n, i, s) { s = s || {}; var l = { label: "Rectangle Body", position: { x: e, y: t }, vertices: o.fromPath("L 0 0 L " + n + " 0 L " + n + " " + i + " L 0 " + i) }; if (s.chamfer) { var c = s.chamfer; l.vertices = o.chamfer(l.vertices, c.radius, c.quality, c.qualityMin, c.qualityMax), delete s.chamfer } return a.create(r.extend({}, l, s)) }, i.trapezoid = function (e, t, n, i, s, l) { l = l || {}; var c, u = n * (s *= .5), d = u + (1 - 2 * s) * n, p = d + u; c = s < .5 ? "L 0 0 L " + u + " " + -i + " L " + d + " " + -i + " L " + p + " 0" : "L 0 0 L " + d + " " + -i + " L " + p + " 0"; var f = { label: "Trapezoid Body", position: { x: e, y: t }, vertices: o.fromPath(c) }; if (l.chamfer) { var v = l.chamfer; f.vertices = o.chamfer(f.vertices, v.radius, v.quality, v.qualityMin, v.qualityMax), delete l.chamfer } return a.create(r.extend({}, f, l)) }, i.circle = function (e, t, n, o, a) { o = o || {}; var s = { label: "Circle Body", circleRadius: n }; a = a || 25; var l = Math.ceil(Math.max(10, Math.min(a, n))); return l % 2 == 1 && (l += 1), i.polygon(e, t, l, n, r.extend({}, s, o)) }, i.polygon = function (e, t, n, s, l) { if (l = l || {}, n < 3) return i.circle(e, t, s, l); for (var c = 2 * Math.PI / n, u = "", d = .5 * c, p = 0; p < n; p += 1) { var f = d + p * c, v = Math.cos(f) * s, m = Math.sin(f) * s; u += "L " + v.toFixed(3) + " " + m.toFixed(3) + " " } var y = { label: "Polygon Body", position: { x: e, y: t }, vertices: o.fromPath(u) }; if (l.chamfer) { var g = l.chamfer; y.vertices = o.chamfer(y.vertices, g.radius, g.quality, g.qualityMin, g.qualityMax), delete l.chamfer } return a.create(r.extend({}, y, l)) }, i.fromVertices = function (e, t, n, i, c, u, d, p) { var f, v, m, y, g, x, h, b, S, w, A = r.getDecomp(); for (f = Boolean(A && A.quickDecomp), i = i || {}, m = [], c = void 0 !== c && c, u = void 0 !== u ? u : .01, d = void 0 !== d ? d : 10, p = void 0 !== p ? p : .01, r.isArray(n[0]) || (n = [n]), S = 0; S < n.length; S += 1)if (g = n[S], !(y = o.isConvex(g)) && !f && r.warnOnce("Bodies.fromVertices: Install the 'poly-decomp' library and use Common.setDecomp or provide 'decomp' as a global to decompose concave vertices."), y || !f) g = y ? o.clockwiseSort(g) : o.hull(g), m.push({ position: { x: e, y: t }, vertices: g }); else { var P = g.map((function (e) { return [e.x, e.y] })); A.makeCCW(P), !1 !== u && A.removeCollinearPoints(P, u), !1 !== p && A.removeDuplicatePoints && A.removeDuplicatePoints(P, p); var M = A.quickDecomp(P); for (x = 0; x < M.length; x++) { var C = M[x].map((function (e) { return { x: e[0], y: e[1] } })); d > 0 && o.area(C) < d || m.push({ position: o.centre(C), vertices: C }) } } for (x = 0; x < m.length; x++)m[x] = a.create(r.extend(m[x], i)); if (c) for (x = 0; x < m.length; x++) { var B = m[x]; for (h = x + 1; h < m.length; h++) { var _ = m[h]; if (s.overlaps(B.bounds, _.bounds)) { var k = B.vertices, I = _.vertices; for (b = 0; b < B.vertices.length; b++)for (w = 0; w < _.vertices.length; w++) { var T = l.magnitudeSquared(l.sub(k[(b + 1) % k.length], I[w])), R = l.magnitudeSquared(l.sub(k[b], I[(w + 1) % I.length])); T < 5 && R < 5 && (k[b].isInternal = !0, I[w].isInternal = !0) } } } } return m.length > 1 ? (v = a.create(r.extend({ parts: m.slice(0) }, i)), a.setPosition(v, { x: e, y: t }), v) : m[0] } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(0); i.create = function (e) { var t = {}; return e || o.log("Mouse.create: element was undefined, defaulting to document.body", "warn"), t.element = e || document.body, t.absolute = { x: 0, y: 0 }, t.position = { x: 0, y: 0 }, t.mousedownPosition = { x: 0, y: 0 }, t.mouseupPosition = { x: 0, y: 0 }, t.offset = { x: 0, y: 0 }, t.scale = { x: 1, y: 1 }, t.wheelDelta = 0, t.button = -1, t.pixelRatio = parseInt(t.element.getAttribute("data-pixel-ratio"), 10) || 1, t.sourceEvents = { mousemove: null, mousedown: null, mouseup: null, mousewheel: null }, t.mousemove = function (e) { var n = i._getRelativeMousePosition(e, t.element, t.pixelRatio); e.changedTouches && (t.button = 0, e.preventDefault()), t.absolute.x = n.x, t.absolute.y = n.y, t.position.x = t.absolute.x * t.scale.x + t.offset.x, t.position.y = t.absolute.y * t.scale.y + t.offset.y, t.sourceEvents.mousemove = e }, t.mousedown = function (e) { var n = i._getRelativeMousePosition(e, t.element, t.pixelRatio); e.changedTouches ? (t.button = 0, e.preventDefault()) : t.button = e.button, t.absolute.x = n.x, t.absolute.y = n.y, t.position.x = t.absolute.x * t.scale.x + t.offset.x, t.position.y = t.absolute.y * t.scale.y + t.offset.y, t.mousedownPosition.x = t.position.x, t.mousedownPosition.y = t.position.y, t.sourceEvents.mousedown = e }, t.mouseup = function (e) { var n = i._getRelativeMousePosition(e, t.element, t.pixelRatio); e.changedTouches && e.preventDefault(), t.button = -1, t.absolute.x = n.x, t.absolute.y = n.y, t.position.x = t.absolute.x * t.scale.x + t.offset.x, t.position.y = t.absolute.y * t.scale.y + t.offset.y, t.mouseupPosition.x = t.position.x, t.mouseupPosition.y = t.position.y, t.sourceEvents.mouseup = e }, t.mousewheel = function (e) { t.wheelDelta = Math.max(-1, Math.min(1, e.wheelDelta || -e.detail)), e.preventDefault() }, i.setElement(t, t.element), t }, i.setElement = function (e, t) { e.element = t, t.addEventListener("mousemove", e.mousemove), t.addEventListener("mousedown", e.mousedown), t.addEventListener("mouseup", e.mouseup), t.addEventListener("mousewheel", e.mousewheel), t.addEventListener("DOMMouseScroll", e.mousewheel), t.addEventListener("touchmove", e.mousemove), t.addEventListener("touchstart", e.mousedown), t.addEventListener("touchend", e.mouseup) }, i.clearSourceEvents = function (e) { e.sourceEvents.mousemove = null, e.sourceEvents.mousedown = null, e.sourceEvents.mouseup = null, e.sourceEvents.mousewheel = null, e.wheelDelta = 0 }, i.setOffset = function (e, t) { e.offset.x = t.x, e.offset.y = t.y, e.position.x = e.absolute.x * e.scale.x + e.offset.x, e.position.y = e.absolute.y * e.scale.y + e.offset.y }, i.setScale = function (e, t) { e.scale.x = t.x, e.scale.y = t.y, e.position.x = e.absolute.x * e.scale.x + e.offset.x, e.position.y = e.absolute.y * e.scale.y + e.offset.y }, i._getRelativeMousePosition = function (e, t, n) { var i, o, r = t.getBoundingClientRect(), a = document.documentElement || document.body.parentNode || document.body, s = void 0 !== window.pageXOffset ? window.pageXOffset : a.scrollLeft, l = void 0 !== window.pageYOffset ? window.pageYOffset : a.scrollTop, c = e.changedTouches; return c ? (i = c[0].pageX - r.left - s, o = c[0].pageY - r.top - l) : (i = e.pageX - r.left - s, o = e.pageY - r.top - l), { x: i / (t.clientWidth / (t.width || t.clientWidth) * n), y: o / (t.clientHeight / (t.height || t.clientHeight) * n) } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(14), r = n(9), a = n(1); i.collisions = function (e, t) { for (var n = [], s = t.pairs.table, l = 0; l < e.length; l++) { var c = e[l][0], u = e[l][1]; if ((!c.isStatic && !c.isSleeping || !u.isStatic && !u.isSleeping) && i.canCollide(c.collisionFilter, u.collisionFilter) && a.overlaps(c.bounds, u.bounds)) for (var d = c.parts.length > 1 ? 1 : 0; d < c.parts.length; d++)for (var p = c.parts[d], f = u.parts.length > 1 ? 1 : 0; f < u.parts.length; f++) { var v = u.parts[f]; if (p === c && v === u || a.overlaps(p.bounds, v.bounds)) { var m, y = s[r.id(p, v)]; m = y && y.isActive ? y.collision : null; var g = o.collides(p, v, m); g.collided && n.push(g) } } } return n }, i.canCollide = function (e, t) { return e.group === t.group && 0 !== e.group ? e.group > 0 : 0 != (e.mask & t.category) && 0 != (t.mask & e.category) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(2); i.collides = function (e, t, n) { var a, s, l, c, u = !1; if (n) { var d = e.parent, p = t.parent, f = d.speed * d.speed + d.angularSpeed * d.angularSpeed + p.speed * p.speed + p.angularSpeed * p.angularSpeed; u = n && n.collided && f < .2, c = n } else c = { collided: !1, bodyA: e, bodyB: t }; if (n && u) { var v = c.axisBody, m = v === e ? t : e, y = [v.axes[n.axisNumber]]; if (l = i._overlapAxes(v.vertices, m.vertices, y), c.reused = !0, l.overlap <= 0) return c.collided = !1, c } else { if ((a = i._overlapAxes(e.vertices, t.vertices, e.axes)).overlap <= 0) return c.collided = !1, c; if ((s = i._overlapAxes(t.vertices, e.vertices, t.axes)).overlap <= 0) return c.collided = !1, c; a.overlap < s.overlap ? (l = a, c.axisBody = e) : (l = s, c.axisBody = t), c.axisNumber = l.axisNumber } c.bodyA = e.id < t.id ? e : t, c.bodyB = e.id < t.id ? t : e, c.collided = !0, c.depth = l.overlap, c.parentA = c.bodyA.parent, c.parentB = c.bodyB.parent, e = c.bodyA, t = c.bodyB, r.dot(l.axis, r.sub(t.position, e.position)) < 0 ? c.normal = { x: l.axis.x, y: l.axis.y } : c.normal = { x: -l.axis.x, y: -l.axis.y }, c.tangent = r.perp(c.normal), c.penetration = c.penetration || {}, c.penetration.x = c.normal.x * c.depth, c.penetration.y = c.normal.y * c.depth; var g = i._findSupports(e, t, c.normal), x = []; if (o.contains(e.vertices, g[0]) && x.push(g[0]), o.contains(e.vertices, g[1]) && x.push(g[1]), x.length < 2) { var h = i._findSupports(t, e, r.neg(c.normal)); o.contains(t.vertices, h[0]) && x.push(h[0]), x.length < 2 && o.contains(t.vertices, h[1]) && x.push(h[1]) } return x.length < 1 && (x = [g[0]]), c.supports = x, c }, i._overlapAxes = function (e, t, n) { for (var o, a, s = r._temp[0], l = r._temp[1], c = { overlap: Number.MAX_VALUE }, u = 0; u < n.length; u++) { if (a = n[u], i._projectToAxis(s, e, a), i._projectToAxis(l, t, a), (o = Math.min(s.max - l.min, l.max - s.min)) <= 0) return c.overlap = o, c; o < c.overlap && (c.overlap = o, c.axis = a, c.axisNumber = u) } return c }, i._projectToAxis = function (e, t, n) { for (var i = r.dot(t[0], n), o = i, a = 1; a < t.length; a += 1) { var s = r.dot(t[a], n); s > o ? o = s : s < i && (i = s) } e.min = i, e.max = o }, i._findSupports = function (e, t, n) { for (var i, o, a, s, l = Number.MAX_VALUE, c = r._temp[0], u = t.vertices, d = e.position, p = 0; p < u.length; p++)o = u[p], c.x = o.x - d.x, c.y = o.y - d.y, (i = -r.dot(n, c)) < l && (l = i, a = o); return o = u[a.index - 1 >= 0 ? a.index - 1 : u.length - 1], c.x = o.x - d.x, c.y = o.y - d.y, l = -r.dot(n, c), s = o, o = u[(a.index + 1) % u.length], c.x = o.x - d.x, c.y = o.y - d.y, (i = -r.dot(n, c)) < l && (s = o), [a, s] } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(0); i._registry = {}, i.register = function (e) { if (i.isPlugin(e) || o.warn("Plugin.register:", i.toString(e), "does not implement all required fields."), e.name in i._registry) { var t = i._registry[e.name], n = i.versionParse(e.version).number, r = i.versionParse(t.version).number; n > r ? (o.warn("Plugin.register:", i.toString(t), "was upgraded to", i.toString(e)), i._registry[e.name] = e) : n < r ? o.warn("Plugin.register:", i.toString(t), "can not be downgraded to", i.toString(e)) : e !== t && o.warn("Plugin.register:", i.toString(e), "is already registered to different plugin object") } else i._registry[e.name] = e; return e }, i.resolve = function (e) { return i._registry[i.dependencyParse(e).name] }, i.toString = function (e) { return "string" == typeof e ? e : (e.name || "anonymous") + "@" + (e.version || e.range || "0.0.0") }, i.isPlugin = function (e) { return e && e.name && e.version && e.install }, i.isUsed = function (e, t) { return e.used.indexOf(t) > -1 }, i.isFor = function (e, t) { var n = e.for && i.dependencyParse(e.for); return !e.for || t.name === n.name && i.versionSatisfies(t.version, n.range) }, i.use = function (e, t) { if (e.uses = (e.uses || []).concat(t || []), 0 !== e.uses.length) { for (var n = i.dependencies(e), r = o.topologicalSort(n), a = [], s = 0; s < r.length; s += 1)if (r[s] !== e.name) { var l = i.resolve(r[s]); l ? i.isUsed(e, l.name) || (i.isFor(l, e) || (o.warn("Plugin.use:", i.toString(l), "is for", l.for, "but installed on", i.toString(e) + "."), l._warned = !0), l.install ? l.install(e) : (o.warn("Plugin.use:", i.toString(l), "does not specify an install function."), l._warned = !0), l._warned ? (a.push("🔶 " + i.toString(l)), delete l._warned) : a.push("✅ " + i.toString(l)), e.used.push(l.name)) : a.push("❌ " + r[s]) } a.length > 0 && o.info(a.join("  ")) } else o.warn("Plugin.use:", i.toString(e), "does not specify any dependencies to install.") }, i.dependencies = function (e, t) { var n = i.dependencyParse(e), r = n.name; if (!(r in (t = t || {}))) { e = i.resolve(e) || e, t[r] = o.map(e.uses || [], (function (t) { i.isPlugin(t) && i.register(t); var r = i.dependencyParse(t), a = i.resolve(t); return a && !i.versionSatisfies(a.version, r.range) ? (o.warn("Plugin.dependencies:", i.toString(a), "does not satisfy", i.toString(r), "used by", i.toString(n) + "."), a._warned = !0, e._warned = !0) : a || (o.warn("Plugin.dependencies:", i.toString(t), "used by", i.toString(n), "could not be resolved."), e._warned = !0), r.name })); for (var a = 0; a < t[r].length; a += 1)i.dependencies(t[r][a], t); return t } }, i.dependencyParse = function (e) { return o.isString(e) ? (/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-]+)?))?$/.test(e) || o.warn("Plugin.dependencyParse:", e, "is not a valid dependency string."), { name: e.split("@")[0], range: e.split("@")[1] || "*" }) : { name: e.name, range: e.range || e.version } }, i.versionParse = function (e) { var t = /^(\*)|(\^|~|>=|>)?\s*((\d+)\.(\d+)\.(\d+))(-[0-9A-Za-z-]+)?$/; t.test(e) || o.warn("Plugin.versionParse:", e, "is not a valid version or range."); var n = t.exec(e), i = Number(n[4]), r = Number(n[5]), a = Number(n[6]); return { isRange: Boolean(n[1] || n[2]), version: n[3], range: e, operator: n[1] || n[2] || "", major: i, minor: r, patch: a, parts: [i, r, a], prerelease: n[7], number: 1e8 * i + 1e4 * r + a } }, i.versionSatisfies = function (e, t) { t = t || "*"; var n = i.versionParse(t), o = i.versionParse(e); if (n.isRange) { if ("*" === n.operator || "*" === e) return !0; if (">" === n.operator) return o.number > n.number; if (">=" === n.operator) return o.number >= n.number; if ("~" === n.operator) return o.major === n.major && o.minor === n.minor && o.patch >= n.patch; if ("^" === n.operator) return n.major > 0 ? o.major === n.major && o.number >= n.number : n.minor > 0 ? o.minor === n.minor && o.patch >= n.patch : o.patch === n.patch } return e === t || "*" === e } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(0), r = n(5), a = n(1), s = n(4), l = n(2), c = n(12); !function () { var e, t; "undefined" != typeof window && (e = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame || function (e) { window.setTimeout((function () { e(o.now()) }), 1e3 / 60) }, t = window.cancelAnimationFrame || window.mozCancelAnimationFrame || window.webkitCancelAnimationFrame || window.msCancelAnimationFrame), i._goodFps = 30, i._goodDelta = 1e3 / 60, i.create = function (e) { var t = { controller: i, engine: null, element: null, canvas: null, mouse: null, frameRequestId: null, timing: { historySize: 60, delta: 0, deltaHistory: [], lastTime: 0, lastTimestamp: 0, lastElapsed: 0, timestampElapsed: 0, timestampElapsedHistory: [], engineDeltaHistory: [], engineElapsedHistory: [], elapsedHistory: [] }, options: { width: 800, height: 600, pixelRatio: 1, background: "#14151f", wireframeBackground: "#14151f", hasBounds: !!e.bounds, enabled: !0, wireframes: !0, showSleeping: !0, showDebug: !1, showStats: !1, showPerformance: !1, showBroadphase: !1, showBounds: !1, showVelocity: !1, showCollisions: !1, showSeparations: !1, showAxes: !1, showPositions: !1, showAngleIndicator: !1, showIds: !1, showVertexNumbers: !1, showConvexHulls: !1, showInternalEdges: !1, showMousePosition: !1 } }, n = o.extend(t, e); return n.canvas && (n.canvas.width = n.options.width || n.canvas.width, n.canvas.height = n.options.height || n.canvas.height), n.mouse = e.mouse, n.engine = e.engine, n.canvas = n.canvas || d(n.options.width, n.options.height), n.context = n.canvas.getContext("2d"), n.textures = {}, n.bounds = n.bounds || { min: { x: 0, y: 0 }, max: { x: n.canvas.width, y: n.canvas.height } }, 1 !== n.options.pixelRatio && i.setPixelRatio(n, n.options.pixelRatio), o.isElement(n.element) ? n.element.appendChild(n.canvas) : n.canvas.parentNode || o.log("Render.create: options.element was undefined, render.canvas was created but not appended", "warn"), n }, i.run = function (t) { !function o(r) { t.frameRequestId = e(o), n(t, r), i.world(t, r), (t.options.showStats || t.options.showDebug) && i.stats(t, t.context, r), (t.options.showPerformance || t.options.showDebug) && i.performance(t, t.context, r) }() }, i.stop = function (e) { t(e.frameRequestId) }, i.setPixelRatio = function (e, t) { var n = e.options, i = e.canvas; "auto" === t && (t = p(i)), n.pixelRatio = t, i.setAttribute("data-pixel-ratio", t), i.width = n.width * t, i.height = n.height * t, i.style.width = n.width + "px", i.style.height = n.height + "px" }, i.lookAt = function (e, t, n, i) { i = void 0 === i || i, t = o.isArray(t) ? t : [t], n = n || { x: 0, y: 0 }; for (var r = { min: { x: 1 / 0, y: 1 / 0 }, max: { x: -1 / 0, y: -1 / 0 } }, a = 0; a < t.length; a += 1) { var s = t[a], l = s.bounds ? s.bounds.min : s.min || s.position || s, u = s.bounds ? s.bounds.max : s.max || s.position || s; l && u && (l.x < r.min.x && (r.min.x = l.x), u.x > r.max.x && (r.max.x = u.x), l.y < r.min.y && (r.min.y = l.y), u.y > r.max.y && (r.max.y = u.y)) } var d = r.max.x - r.min.x + 2 * n.x, p = r.max.y - r.min.y + 2 * n.y, f = e.canvas.height, v = e.canvas.width / f, m = d / p, y = 1, g = 1; m > v ? g = m / v : y = v / m, e.options.hasBounds = !0, e.bounds.min.x = r.min.x, e.bounds.max.x = r.min.x + d * y, e.bounds.min.y = r.min.y, e.bounds.max.y = r.min.y + p * g, i && (e.bounds.min.x += .5 * d - d * y * .5, e.bounds.max.x += .5 * d - d * y * .5, e.bounds.min.y += .5 * p - p * g * .5, e.bounds.max.y += .5 * p - p * g * .5), e.bounds.min.x -= n.x, e.bounds.max.x -= n.x, e.bounds.min.y -= n.y, e.bounds.max.y -= n.y, e.mouse && (c.setScale(e.mouse, { x: (e.bounds.max.x - e.bounds.min.x) / e.canvas.width, y: (e.bounds.max.y - e.bounds.min.y) / e.canvas.height }), c.setOffset(e.mouse, e.bounds.min)) }, i.startViewTransform = function (e) { var t = e.bounds.max.x - e.bounds.min.x, n = e.bounds.max.y - e.bounds.min.y, i = t / e.options.width, o = n / e.options.height; e.context.setTransform(e.options.pixelRatio / i, 0, 0, e.options.pixelRatio / o, 0, 0), e.context.translate(-e.bounds.min.x, -e.bounds.min.y) }, i.endViewTransform = function (e) { e.context.setTransform(e.options.pixelRatio, 0, 0, e.options.pixelRatio, 0, 0) }, i.world = function (e, t) { var n, u = o.now(), d = e.engine, p = d.world, f = e.canvas, m = e.context, y = e.options, g = e.timing, x = r.allBodies(p), h = r.allConstraints(p), b = y.wireframes ? y.wireframeBackground : y.background, S = [], w = [], A = { timestamp: d.timing.timestamp }; if (s.trigger(e, "beforeRender", A), e.currentBackground !== b && v(e, b), m.globalCompositeOperation = "source-in", m.fillStyle = "transparent", m.fillRect(0, 0, f.width, f.height), m.globalCompositeOperation = "source-over", y.hasBounds) { for (n = 0; n < x.length; n++) { var P = x[n]; a.overlaps(P.bounds, e.bounds) && S.push(P) } for (n = 0; n < h.length; n++) { var M = h[n], C = M.bodyA, B = M.bodyB, _ = M.pointA, k = M.pointB; C && (_ = l.add(C.position, M.pointA)), B && (k = l.add(B.position, M.pointB)), _ && k && ((a.contains(e.bounds, _) || a.contains(e.bounds, k)) && w.push(M)) } i.startViewTransform(e), e.mouse && (c.setScale(e.mouse, { x: (e.bounds.max.x - e.bounds.min.x) / e.options.width, y: (e.bounds.max.y - e.bounds.min.y) / e.options.height }), c.setOffset(e.mouse, e.bounds.min)) } else w = h, S = x, 1 !== e.options.pixelRatio && e.context.setTransform(e.options.pixelRatio, 0, 0, e.options.pixelRatio, 0, 0); !y.wireframes || d.enableSleeping && y.showSleeping ? i.bodies(e, S, m) : (y.showConvexHulls && i.bodyConvexHulls(e, S, m), i.bodyWireframes(e, S, m)), y.showBounds && i.bodyBounds(e, S, m), (y.showAxes || y.showAngleIndicator) && i.bodyAxes(e, S, m), y.showPositions && i.bodyPositions(e, S, m), y.showVelocity && i.bodyVelocity(e, S, m), y.showIds && i.bodyIds(e, S, m), y.showSeparations && i.separations(e, d.pairs.list, m), y.showCollisions && i.collisions(e, d.pairs.list, m), y.showVertexNumbers && i.vertexNumbers(e, S, m), y.showMousePosition && i.mousePosition(e, e.mouse, m), i.constraints(w, m), y.showBroadphase && i.grid(e, d.grid, m), y.hasBounds && i.endViewTransform(e), s.trigger(e, "afterRender", A), g.lastElapsed = o.now() - u }, i.stats = function (e, t, n) { for (var i = e.engine, o = i.world, a = r.allBodies(o), s = 0, l = 0, c = 0; c < a.length; c += 1)s += a[c].parts.length; var u = { Part: s, Body: a.length, Cons: r.allConstraints(o).length, Comp: r.allComposites(o).length, Pair: i.pairs.list.length }; for (var d in t.fillStyle = "#0e0f19", t.fillRect(l, 0, 302.5, 44), t.font = "12px Arial", t.textBaseline = "top", t.textAlign = "right", u) { var p = u[d]; t.fillStyle = "#aaa", t.fillText(d, l + 55, 8), t.fillStyle = "#eee", t.fillText(p, l + 55, 26), l += 55 } }, i.performance = function (e, t) { var n = e.engine, o = e.timing, r = o.deltaHistory, a = o.elapsedHistory, s = o.timestampElapsedHistory, l = o.engineDeltaHistory, c = o.engineElapsedHistory, d = n.timing.lastDelta, p = u(r), f = u(a), v = u(l), m = u(c), y = u(s) / p || 0, g = 1e3 / p || 0; t.fillStyle = "#0e0f19", t.fillRect(0, 50, 370, 34), i.status(t, 10, 69, 60, 4, r.length, Math.round(g) + " fps", g / i._goodFps, (function (e) { return r[e] / p - 1 })), i.status(t, 82, 69, 60, 4, l.length, d.toFixed(2) + " dt", i._goodDelta / d, (function (e) { return l[e] / v - 1 })), i.status(t, 154, 69, 60, 4, c.length, m.toFixed(2) + " ut", 1 - m / i._goodFps, (function (e) { return c[e] / m - 1 })), i.status(t, 226, 69, 60, 4, a.length, f.toFixed(2) + " rt", 1 - f / i._goodFps, (function (e) { return a[e] / f - 1 })), i.status(t, 298, 69, 60, 4, s.length, y.toFixed(2) + " x", y * y * y, (function (e) { return (s[e] / r[e] / y || 0) - 1 })) }, i.status = function (e, t, n, i, r, a, s, l, c) { e.strokeStyle = "#888", e.fillStyle = "#444", e.lineWidth = 1, e.fillRect(t, n + 7, i, 1), e.beginPath(), e.moveTo(t, n + 7 - r * o.clamp(.4 * c(0), -2, 2)); for (var u = 0; u < i; u += 1)e.lineTo(t + u, n + 7 - (u < a ? r * o.clamp(.4 * c(u), -2, 2) : 0)); e.stroke(), e.fillStyle = "hsl(" + o.clamp(25 + 95 * l, 0, 120) + ",100%,60%)", e.fillRect(t, n - 7, 4, 4), e.font = "12px Arial", e.textBaseline = "middle", e.textAlign = "right", e.fillStyle = "#eee", e.fillText(s, t + i, n - 5) }, i.constraints = function (e, t) { for (var n = t, i = 0; i < e.length; i++) { var r = e[i]; if (r.render.visible && r.pointA && r.pointB) { var a, s, c = r.bodyA, u = r.bodyB; if (a = c ? l.add(c.position, r.pointA) : r.pointA, "pin" === r.render.type) n.beginPath(), n.arc(a.x, a.y, 3, 0, 2 * Math.PI), n.closePath(); else { if (s = u ? l.add(u.position, r.pointB) : r.pointB, n.beginPath(), n.moveTo(a.x, a.y), "spring" === r.render.type) for (var d, p = l.sub(s, a), f = l.perp(l.normalise(p)), v = Math.ceil(o.clamp(r.length / 5, 12, 20)), m = 1; m < v; m += 1)d = m % 2 == 0 ? 1 : -1, n.lineTo(a.x + p.x * (m / v) + f.x * d * 4, a.y + p.y * (m / v) + f.y * d * 4); n.lineTo(s.x, s.y) } r.render.lineWidth && (n.lineWidth = r.render.lineWidth, n.strokeStyle = r.render.strokeStyle, n.stroke()), r.render.anchors && (n.fillStyle = r.render.strokeStyle, n.beginPath(), n.arc(a.x, a.y, 3, 0, 2 * Math.PI), n.arc(s.x, s.y, 3, 0, 2 * Math.PI), n.closePath(), n.fill()) } } }, i.bodies = function (e, t, n) { var i, o, r, a, s = n, l = (e.engine, e.options), c = l.showInternalEdges || !l.wireframes; for (r = 0; r < t.length; r++)if ((i = t[r]).render.visible) for (a = i.parts.length > 1 ? 1 : 0; a < i.parts.length; a++)if ((o = i.parts[a]).render.visible) { if (l.showSleeping && i.isSleeping ? s.globalAlpha = .5 * o.render.opacity : 1 !== o.render.opacity && (s.globalAlpha = o.render.opacity), o.render.sprite && o.render.sprite.texture && !l.wireframes) { var u = o.render.sprite, d = f(e, u.texture); s.translate(o.position.x, o.position.y), s.rotate(o.angle), s.drawImage(d, d.width * -u.xOffset * u.xScale, d.height * -u.yOffset * u.yScale, d.width * u.xScale, d.height * u.yScale), s.rotate(-o.angle), s.translate(-o.position.x, -o.position.y) } else { if (o.circleRadius) s.beginPath(), s.arc(o.position.x, o.position.y, o.circleRadius, 0, 2 * Math.PI); else { s.beginPath(), s.moveTo(o.vertices[0].x, o.vertices[0].y); for (var p = 1; p < o.vertices.length; p++)!o.vertices[p - 1].isInternal || c ? s.lineTo(o.vertices[p].x, o.vertices[p].y) : s.moveTo(o.vertices[p].x, o.vertices[p].y), o.vertices[p].isInternal && !c && s.moveTo(o.vertices[(p + 1) % o.vertices.length].x, o.vertices[(p + 1) % o.vertices.length].y); s.lineTo(o.vertices[0].x, o.vertices[0].y), s.closePath() } l.wireframes ? (s.lineWidth = 1, s.strokeStyle = "#bbb", s.stroke()) : (s.fillStyle = o.render.fillStyle, o.render.lineWidth && (s.lineWidth = o.render.lineWidth, s.strokeStyle = o.render.strokeStyle, s.stroke()), s.fill()) } s.globalAlpha = 1 } }, i.bodyWireframes = function (e, t, n) { var i, o, r, a, s, l = n, c = e.options.showInternalEdges; for (l.beginPath(), r = 0; r < t.length; r++)if ((i = t[r]).render.visible) for (s = i.parts.length > 1 ? 1 : 0; s < i.parts.length; s++) { for (o = i.parts[s], l.moveTo(o.vertices[0].x, o.vertices[0].y), a = 1; a < o.vertices.length; a++)!o.vertices[a - 1].isInternal || c ? l.lineTo(o.vertices[a].x, o.vertices[a].y) : l.moveTo(o.vertices[a].x, o.vertices[a].y), o.vertices[a].isInternal && !c && l.moveTo(o.vertices[(a + 1) % o.vertices.length].x, o.vertices[(a + 1) % o.vertices.length].y); l.lineTo(o.vertices[0].x, o.vertices[0].y) } l.lineWidth = 1, l.strokeStyle = "#bbb", l.stroke() }, i.bodyConvexHulls = function (e, t, n) { var i, o, r, a = n; for (a.beginPath(), o = 0; o < t.length; o++)if ((i = t[o]).render.visible && 1 !== i.parts.length) { for (a.moveTo(i.vertices[0].x, i.vertices[0].y), r = 1; r < i.vertices.length; r++)a.lineTo(i.vertices[r].x, i.vertices[r].y); a.lineTo(i.vertices[0].x, i.vertices[0].y) } a.lineWidth = 1, a.strokeStyle = "rgba(255,255,255,0.2)", a.stroke() }, i.vertexNumbers = function (e, t, n) { var i, o, r, a = n; for (i = 0; i < t.length; i++) { var s = t[i].parts; for (r = s.length > 1 ? 1 : 0; r < s.length; r++) { var l = s[r]; for (o = 0; o < l.vertices.length; o++)a.fillStyle = "rgba(255,255,255,0.2)", a.fillText(i + "_" + o, l.position.x + .8 * (l.vertices[o].x - l.position.x), l.position.y + .8 * (l.vertices[o].y - l.position.y)) } } }, i.mousePosition = function (e, t, n) { var i = n; i.fillStyle = "rgba(255,255,255,0.8)", i.fillText(t.position.x + "  " + t.position.y, t.position.x + 5, t.position.y - 5) }, i.bodyBounds = function (e, t, n) { var i = n, o = (e.engine, e.options); i.beginPath(); for (var r = 0; r < t.length; r++) { if (t[r].render.visible) for (var a = t[r].parts, s = a.length > 1 ? 1 : 0; s < a.length; s++) { var l = a[s]; i.rect(l.bounds.min.x, l.bounds.min.y, l.bounds.max.x - l.bounds.min.x, l.bounds.max.y - l.bounds.min.y) } } o.wireframes ? i.strokeStyle = "rgba(255,255,255,0.08)" : i.strokeStyle = "rgba(0,0,0,0.1)", i.lineWidth = 1, i.stroke() }, i.bodyAxes = function (e, t, n) { var i, o, r, a, s = n, l = (e.engine, e.options); for (s.beginPath(), o = 0; o < t.length; o++) { var c = t[o], u = c.parts; if (c.render.visible) if (l.showAxes) for (r = u.length > 1 ? 1 : 0; r < u.length; r++)for (i = u[r], a = 0; a < i.axes.length; a++) { var d = i.axes[a]; s.moveTo(i.position.x, i.position.y), s.lineTo(i.position.x + 20 * d.x, i.position.y + 20 * d.y) } else for (r = u.length > 1 ? 1 : 0; r < u.length; r++)for (i = u[r], a = 0; a < i.axes.length; a++)s.moveTo(i.position.x, i.position.y), s.lineTo((i.vertices[0].x + i.vertices[i.vertices.length - 1].x) / 2, (i.vertices[0].y + i.vertices[i.vertices.length - 1].y) / 2) } l.wireframes ? (s.strokeStyle = "indianred", s.lineWidth = 1) : (s.strokeStyle = "rgba(255, 255, 255, 0.4)", s.globalCompositeOperation = "overlay", s.lineWidth = 2), s.stroke(), s.globalCompositeOperation = "source-over" }, i.bodyPositions = function (e, t, n) { var i, o, r, a, s = n, l = (e.engine, e.options); for (s.beginPath(), r = 0; r < t.length; r++)if ((i = t[r]).render.visible) for (a = 0; a < i.parts.length; a++)o = i.parts[a], s.arc(o.position.x, o.position.y, 3, 0, 2 * Math.PI, !1), s.closePath(); for (l.wireframes ? s.fillStyle = "indianred" : s.fillStyle = "rgba(0,0,0,0.5)", s.fill(), s.beginPath(), r = 0; r < t.length; r++)(i = t[r]).render.visible && (s.arc(i.positionPrev.x, i.positionPrev.y, 2, 0, 2 * Math.PI, !1), s.closePath()); s.fillStyle = "rgba(255,165,0,0.8)", s.fill() }, i.bodyVelocity = function (e, t, n) { var i = n; i.beginPath(); for (var o = 0; o < t.length; o++) { var r = t[o]; r.render.visible && (i.moveTo(r.position.x, r.position.y), i.lineTo(r.position.x + 2 * (r.position.x - r.positionPrev.x), r.position.y + 2 * (r.position.y - r.positionPrev.y))) } i.lineWidth = 3, i.strokeStyle = "cornflowerblue", i.stroke() }, i.bodyIds = function (e, t, n) { var i, o, r = n; for (i = 0; i < t.length; i++)if (t[i].render.visible) { var a = t[i].parts; for (o = a.length > 1 ? 1 : 0; o < a.length; o++) { var s = a[o]; r.font = "12px Arial", r.fillStyle = "rgba(255,255,255,0.5)", r.fillText(s.id, s.position.x + 10, s.position.y - 10) } } }, i.collisions = function (e, t, n) { var i, o, r, a, s = n, l = e.options; for (s.beginPath(), r = 0; r < t.length; r++)if ((i = t[r]).isActive) for (o = i.collision, a = 0; a < i.activeContacts.length; a++) { var c = i.activeContacts[a].vertex; s.rect(c.x - 1.5, c.y - 1.5, 3.5, 3.5) } for (l.wireframes ? s.fillStyle = "rgba(255,255,255,0.7)" : s.fillStyle = "orange", s.fill(), s.beginPath(), r = 0; r < t.length; r++)if ((i = t[r]).isActive && (o = i.collision, i.activeContacts.length > 0)) { var u = i.activeContacts[0].vertex.x, d = i.activeContacts[0].vertex.y; 2 === i.activeContacts.length && (u = (i.activeContacts[0].vertex.x + i.activeContacts[1].vertex.x) / 2, d = (i.activeContacts[0].vertex.y + i.activeContacts[1].vertex.y) / 2), o.bodyB === o.supports[0].body || !0 === o.bodyA.isStatic ? s.moveTo(u - 8 * o.normal.x, d - 8 * o.normal.y) : s.moveTo(u + 8 * o.normal.x, d + 8 * o.normal.y), s.lineTo(u, d) } l.wireframes ? s.strokeStyle = "rgba(255,165,0,0.7)" : s.strokeStyle = "orange", s.lineWidth = 1, s.stroke() }, i.separations = function (e, t, n) { var i, o, r, a, s, l = n, c = e.options; for (l.beginPath(), s = 0; s < t.length; s++)if ((i = t[s]).isActive) { r = (o = i.collision).bodyA; var u = 1; (a = o.bodyB).isStatic || r.isStatic || (u = .5), a.isStatic && (u = 0), l.moveTo(a.position.x, a.position.y), l.lineTo(a.position.x - o.penetration.x * u, a.position.y - o.penetration.y * u), u = 1, a.isStatic || r.isStatic || (u = .5), r.isStatic && (u = 0), l.moveTo(r.position.x, r.position.y), l.lineTo(r.position.x + o.penetration.x * u, r.position.y + o.penetration.y * u) } c.wireframes ? l.strokeStyle = "rgba(255,165,0,0.5)" : l.strokeStyle = "orange", l.stroke() }, i.grid = function (e, t, n) { var i = n; e.options.wireframes ? i.strokeStyle = "rgba(255,180,0,0.1)" : i.strokeStyle = "rgba(255,180,0,0.5)", i.beginPath(); for (var r = o.keys(t.buckets), a = 0; a < r.length; a++) { var s = r[a]; if (!(t.buckets[s].length < 2)) { var l = s.split(/C|R/); i.rect(.5 + parseInt(l[1], 10) * t.bucketWidth, .5 + parseInt(l[2], 10) * t.bucketHeight, t.bucketWidth, t.bucketHeight) } } i.lineWidth = 1, i.stroke() }, i.inspector = function (e, t) { e.engine; var n, i = e.selected, o = e.render, r = o.options; if (r.hasBounds) { var a = o.bounds.max.x - o.bounds.min.x, s = o.bounds.max.y - o.bounds.min.y, l = a / o.options.width, c = s / o.options.height; t.scale(1 / l, 1 / c), t.translate(-o.bounds.min.x, -o.bounds.min.y) } for (var u = 0; u < i.length; u++) { var d = i[u].data; switch (t.translate(.5, .5), t.lineWidth = 1, t.strokeStyle = "rgba(255,165,0,0.9)", t.setLineDash([1, 2]), d.type) { case "body": n = d.bounds, t.beginPath(), t.rect(Math.floor(n.min.x - 3), Math.floor(n.min.y - 3), Math.floor(n.max.x - n.min.x + 6), Math.floor(n.max.y - n.min.y + 6)), t.closePath(), t.stroke(); break; case "constraint": var p = d.pointA; d.bodyA && (p = d.pointB), t.beginPath(), t.arc(p.x, p.y, 10, 0, 2 * Math.PI), t.closePath(), t.stroke() }t.setLineDash([]), t.translate(-.5, -.5) } null !== e.selectStart && (t.translate(.5, .5), t.lineWidth = 1, t.strokeStyle = "rgba(255,165,0,0.6)", t.fillStyle = "rgba(255,165,0,0.1)", n = e.selectBounds, t.beginPath(), t.rect(Math.floor(n.min.x), Math.floor(n.min.y), Math.floor(n.max.x - n.min.x), Math.floor(n.max.y - n.min.y)), t.closePath(), t.stroke(), t.fill(), t.translate(-.5, -.5)), r.hasBounds && t.setTransform(1, 0, 0, 1, 0, 0) }; var n = function (e, t) { var n = e.engine, o = e.timing, r = o.historySize, a = n.timing.timestamp; o.delta = t - o.lastTime || i._goodDelta, o.lastTime = t, o.timestampElapsed = a - o.lastTimestamp || 0, o.lastTimestamp = a, o.deltaHistory.unshift(o.delta), o.deltaHistory.length = Math.min(o.deltaHistory.length, r), o.engineDeltaHistory.unshift(n.timing.lastDelta), o.engineDeltaHistory.length = Math.min(o.engineDeltaHistory.length, r), o.timestampElapsedHistory.unshift(o.timestampElapsed), o.timestampElapsedHistory.length = Math.min(o.timestampElapsedHistory.length, r), o.engineElapsedHistory.unshift(n.timing.lastElapsed), o.engineElapsedHistory.length = Math.min(o.engineElapsedHistory.length, r), o.elapsedHistory.unshift(o.lastElapsed), o.elapsedHistory.length = Math.min(o.elapsedHistory.length, r) }, u = function (e) { for (var t = 0, n = 0; n < e.length; n += 1)t += e[n]; return t / e.length || 0 }, d = function (e, t) { var n = document.createElement("canvas"); return n.width = e, n.height = t, n.oncontextmenu = function () { return !1 }, n.onselectstart = function () { return !1 }, n }, p = function (e) { var t = e.getContext("2d"); return (window.devicePixelRatio || 1) / (t.webkitBackingStorePixelRatio || t.mozBackingStorePixelRatio || t.msBackingStorePixelRatio || t.oBackingStorePixelRatio || t.backingStorePixelRatio || 1) }, f = function (e, t) { var n = e.textures[t]; return n || ((n = e.textures[t] = new Image).src = t, n) }, v = function (e, t) { var n = t; /(jpg|gif|png)$/.test(t) && (n = "url(" + t + ")"), e.canvas.style.background = n, e.canvas.style.backgroundSize = "contain", e.currentBackground = t } }() }, function (e, t) { var n = {}; e.exports = n, n.create = function (e) { return { id: n.id(e), vertex: e, normalImpulse: 0, tangentImpulse: 0 } }, n.id = function (e) { return e.body.id + "_" + e.index } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(7), r = n(19), a = n(13), s = n(20), l = n(21), c = n(4), u = n(5), d = n(8), p = n(0), f = n(6); i.create = function (e) { e = e || {}; var t = p.extend({ positionIterations: 6, velocityIterations: 4, constraintIterations: 2, enableSleeping: !1, events: [], plugin: {}, grid: null, gravity: { x: 0, y: 1, scale: .001 }, timing: { timestamp: 0, timeScale: 1, lastDelta: 0, lastElapsed: 0 } }, e); return t.world = e.world || u.create({ label: "World" }), t.grid = l.create(e.grid || e.broadphase), t.pairs = s.create(), t.world.gravity = t.gravity, t.broadphase = t.grid, t.metrics = {}, t }, i.update = function (e, t, n) { var f = p.now(); t = t || 1e3 / 60, n = n || 1; var v, m, y = e.world, g = e.timing, x = e.grid; g.timestamp += t * g.timeScale, g.lastDelta = t * g.timeScale; var h = { timestamp: g.timestamp }; c.trigger(e, "beforeUpdate", h); var b = u.allBodies(y), S = u.allConstraints(y); for (e.enableSleeping && o.update(b, g.timeScale), i._bodiesApplyGravity(b, e.gravity), i._bodiesUpdate(b, t, g.timeScale, n, y.bounds), d.preSolveAll(b), m = 0; m < e.constraintIterations; m++)d.solveAll(S, g.timeScale); d.postSolveAll(b), y.isModified && l.clear(x), l.update(x, b, e, y.isModified), v = x.pairsList, y.isModified && u.setModified(y, !1, !1, !0); var w = a.collisions(v, e), A = e.pairs, P = g.timestamp; for (s.update(A, w, P), s.removeOld(A, P), e.enableSleeping && o.afterCollisions(A.list, g.timeScale), A.collisionStart.length > 0 && c.trigger(e, "collisionStart", { pairs: A.collisionStart }), r.preSolvePosition(A.list), m = 0; m < e.positionIterations; m++)r.solvePosition(A.list, g.timeScale); for (r.postSolvePosition(b), d.preSolveAll(b), m = 0; m < e.constraintIterations; m++)d.solveAll(S, g.timeScale); for (d.postSolveAll(b), r.preSolveVelocity(A.list), m = 0; m < e.velocityIterations; m++)r.solveVelocity(A.list, g.timeScale); return A.collisionActive.length > 0 && c.trigger(e, "collisionActive", { pairs: A.collisionActive }), A.collisionEnd.length > 0 && c.trigger(e, "collisionEnd", { pairs: A.collisionEnd }), i._bodiesClearForces(b), c.trigger(e, "afterUpdate", h), e.timing.lastElapsed = p.now() - f, e }, i.merge = function (e, t) { if (p.extend(e, t), t.world) { e.world = t.world, i.clear(e); for (var n = u.allBodies(e.world), r = 0; r < n.length; r++) { var a = n[r]; o.set(a, !1), a.id = p.nextId() } } }, i.clear = function (e) { var t = e.world, n = u.allBodies(t); s.clear(e.pairs), l.clear(e.grid), l.update(e.grid, n, e, !0) }, i._bodiesClearForces = function (e) { for (var t = 0; t < e.length; t++) { var n = e[t]; n.force.x = 0, n.force.y = 0, n.torque = 0 } }, i._bodiesApplyGravity = function (e, t) { var n = void 0 !== t.scale ? t.scale : .001; if ((0 !== t.x || 0 !== t.y) && 0 !== n) for (var i = 0; i < e.length; i++) { var o = e[i]; o.isStatic || o.isSleeping || (o.force.y += o.mass * t.y * n, o.force.x += o.mass * t.x * n) } }, i._bodiesUpdate = function (e, t, n, i, o) { for (var r = 0; r < e.length; r++) { var a = e[r]; a.isStatic || a.isSleeping || f.update(a, t, n, i) } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(2), a = n(0), s = n(1); i._restingThresh = 4, i._restingThreshTangent = 6, i._positionDampen = .9, i._positionWarming = .8, i._frictionNormalMultiplier = 5, i.preSolvePosition = function (e) { var t, n, i; for (t = 0; t < e.length; t++)(n = e[t]).isActive && (i = n.activeContacts.length, n.collision.parentA.totalContacts += i, n.collision.parentB.totalContacts += i) }, i.solvePosition = function (e, t) { var n, o, a, s, l, c, u, d, p, f = r._temp[0], v = r._temp[1], m = r._temp[2], y = r._temp[3]; for (n = 0; n < e.length; n++)(o = e[n]).isActive && !o.isSensor && (s = (a = o.collision).parentA, l = a.parentB, c = a.normal, u = r.sub(r.add(l.positionImpulse, l.position, f), r.add(s.positionImpulse, r.sub(l.position, a.penetration, v), m), y), o.separation = r.dot(c, u)); for (n = 0; n < e.length; n++)(o = e[n]).isActive && !o.isSensor && (s = (a = o.collision).parentA, l = a.parentB, c = a.normal, p = (o.separation - o.slop) * t, (s.isStatic || l.isStatic) && (p *= 2), s.isStatic || s.isSleeping || (d = i._positionDampen / s.totalContacts, s.positionImpulse.x += c.x * p * d, s.positionImpulse.y += c.y * p * d), l.isStatic || l.isSleeping || (d = i._positionDampen / l.totalContacts, l.positionImpulse.x -= c.x * p * d, l.positionImpulse.y -= c.y * p * d)) }, i.postSolvePosition = function (e) { for (var t = 0; t < e.length; t++) { var n = e[t]; if (n.totalContacts = 0, 0 !== n.positionImpulse.x || 0 !== n.positionImpulse.y) { for (var a = 0; a < n.parts.length; a++) { var l = n.parts[a]; o.translate(l.vertices, n.positionImpulse), s.update(l.bounds, l.vertices, n.velocity), l.position.x += n.positionImpulse.x, l.position.y += n.positionImpulse.y } n.positionPrev.x += n.positionImpulse.x, n.positionPrev.y += n.positionImpulse.y, r.dot(n.positionImpulse, n.velocity) < 0 ? (n.positionImpulse.x = 0, n.positionImpulse.y = 0) : (n.positionImpulse.x *= i._positionWarming, n.positionImpulse.y *= i._positionWarming) } } }, i.preSolveVelocity = function (e) { var t, n, i, o, a, s, l, c, u, d, p, f, v, m, y = r._temp[0], g = r._temp[1]; for (t = 0; t < e.length; t++)if ((i = e[t]).isActive && !i.isSensor) for (o = i.activeContacts, s = (a = i.collision).parentA, l = a.parentB, c = a.normal, u = a.tangent, n = 0; n < o.length; n++)p = (d = o[n]).vertex, f = d.normalImpulse, v = d.tangentImpulse, 0 === f && 0 === v || (y.x = c.x * f + u.x * v, y.y = c.y * f + u.y * v, s.isStatic || s.isSleeping || (m = r.sub(p, s.position, g), s.positionPrev.x += y.x * s.inverseMass, s.positionPrev.y += y.y * s.inverseMass, s.anglePrev += r.cross(m, y) * s.inverseInertia), l.isStatic || l.isSleeping || (m = r.sub(p, l.position, g), l.positionPrev.x -= y.x * l.inverseMass, l.positionPrev.y -= y.y * l.inverseMass, l.anglePrev -= r.cross(m, y) * l.inverseInertia)) }, i.solveVelocity = function (e, t) { for (var n = t * t, o = r._temp[0], s = r._temp[1], l = r._temp[2], c = r._temp[3], u = r._temp[4], d = r._temp[5], p = 0; p < e.length; p++) { var f = e[p]; if (f.isActive && !f.isSensor) { var v = f.collision, m = v.parentA, y = v.parentB, g = v.normal, x = v.tangent, h = f.activeContacts, b = 1 / h.length; m.velocity.x = m.position.x - m.positionPrev.x, m.velocity.y = m.position.y - m.positionPrev.y, y.velocity.x = y.position.x - y.positionPrev.x, y.velocity.y = y.position.y - y.positionPrev.y, m.angularVelocity = m.angle - m.anglePrev, y.angularVelocity = y.angle - y.anglePrev; for (var S = 0; S < h.length; S++) { var w = h[S], A = w.vertex, P = r.sub(A, m.position, s), M = r.sub(A, y.position, l), C = r.add(m.velocity, r.mult(r.perp(P), m.angularVelocity), c), B = r.add(y.velocity, r.mult(r.perp(M), y.angularVelocity), u), _ = r.sub(C, B, d), k = r.dot(g, _), I = r.dot(x, _), T = Math.abs(I), R = a.sign(I), E = (1 + f.restitution) * k, L = a.clamp(f.separation + k, 0, 1) * i._frictionNormalMultiplier, V = I, O = 1 / 0; T > f.friction * f.frictionStatic * L * n && (O = T, V = a.clamp(f.friction * R * n, -O, O)); var F = r.cross(P, g), D = r.cross(M, g), H = b / (m.inverseMass + y.inverseMass + m.inverseInertia * F * F + y.inverseInertia * D * D); if (E *= H, V *= H, k < 0 && k * k > i._restingThresh * n) w.normalImpulse = 0; else { var j = w.normalImpulse; w.normalImpulse = Math.min(w.normalImpulse + E, 0), E = w.normalImpulse - j } if (I * I > i._restingThreshTangent * n) w.tangentImpulse = 0; else { var W = w.tangentImpulse; w.tangentImpulse = a.clamp(w.tangentImpulse + V, -O, O), V = w.tangentImpulse - W } o.x = g.x * E + x.x * V, o.y = g.y * E + x.y * V, m.isStatic || m.isSleeping || (m.positionPrev.x += o.x * m.inverseMass, m.positionPrev.y += o.y * m.inverseMass, m.anglePrev += r.cross(P, o) * m.inverseInertia), y.isStatic || y.isSleeping || (y.positionPrev.x -= o.x * y.inverseMass, y.positionPrev.y -= o.y * y.inverseMass, y.anglePrev -= r.cross(M, o) * y.inverseInertia) } } } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(9), r = n(0); i._pairMaxIdleLife = 1e3, i.create = function (e) { return r.extend({ table: {}, list: [], collisionStart: [], collisionActive: [], collisionEnd: [] }, e) }, i.update = function (e, t, n) { var i, r, a, s, l = e.list, c = e.table, u = e.collisionStart, d = e.collisionEnd, p = e.collisionActive; for (u.length = 0, d.length = 0, p.length = 0, s = 0; s < l.length; s++)l[s].confirmedActive = !1; for (s = 0; s < t.length; s++)(i = t[s]).collided && ((a = c[r = o.id(i.bodyA, i.bodyB)]) ? (a.isActive ? p.push(a) : u.push(a), o.update(a, i, n), a.confirmedActive = !0) : (a = o.create(i, n), c[r] = a, u.push(a), l.push(a))); for (s = 0; s < l.length; s++)(a = l[s]).isActive && !a.confirmedActive && (o.setActive(a, !1, n), d.push(a)) }, i.removeOld = function (e, t) { var n, o, r, a, s = e.list, l = e.table, c = []; for (a = 0; a < s.length; a++)(o = (n = s[a]).collision).bodyA.isSleeping || o.bodyB.isSleeping ? n.timeUpdated = t : t - n.timeUpdated > i._pairMaxIdleLife && c.push(a); for (a = 0; a < c.length; a++)delete l[(n = s[r = c[a] - a]).id], s.splice(r, 1) }, i.clear = function (e) { return e.table = {}, e.list.length = 0, e.collisionStart.length = 0, e.collisionActive.length = 0, e.collisionEnd.length = 0, e } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(9), r = n(0); i.create = function (e) { return r.extend({ buckets: {}, pairs: {}, pairsList: [], bucketWidth: 48, bucketHeight: 48 }, e) }, i.update = function (e, t, n, o) { var r, a, s, l, c, u = n.world, d = e.buckets, p = !1; for (r = 0; r < t.length; r++) { var f = t[r]; if ((!f.isSleeping || o) && (!u.bounds || !(f.bounds.max.x < u.bounds.min.x || f.bounds.min.x > u.bounds.max.x || f.bounds.max.y < u.bounds.min.y || f.bounds.min.y > u.bounds.max.y))) { var v = i._getRegion(e, f); if (!f.region || v.id !== f.region.id || o) { f.region && !o || (f.region = v); var m = i._regionUnion(v, f.region); for (a = m.startCol; a <= m.endCol; a++)for (s = m.startRow; s <= m.endRow; s++) { l = d[c = i._getBucketId(a, s)]; var y = a >= v.startCol && a <= v.endCol && s >= v.startRow && s <= v.endRow, g = a >= f.region.startCol && a <= f.region.endCol && s >= f.region.startRow && s <= f.region.endRow; !y && g && g && l && i._bucketRemoveBody(e, l, f), (f.region === v || y && !g || o) && (l || (l = i._createBucket(d, c)), i._bucketAddBody(e, l, f)) } f.region = v, p = !0 } } } p && (e.pairsList = i._createActivePairsList(e)) }, i.clear = function (e) { e.buckets = {}, e.pairs = {}, e.pairsList = [] }, i._regionUnion = function (e, t) { var n = Math.min(e.startCol, t.startCol), o = Math.max(e.endCol, t.endCol), r = Math.min(e.startRow, t.startRow), a = Math.max(e.endRow, t.endRow); return i._createRegion(n, o, r, a) }, i._getRegion = function (e, t) { var n = t.bounds, o = Math.floor(n.min.x / e.bucketWidth), r = Math.floor(n.max.x / e.bucketWidth), a = Math.floor(n.min.y / e.bucketHeight), s = Math.floor(n.max.y / e.bucketHeight); return i._createRegion(o, r, a, s) }, i._createRegion = function (e, t, n, i) { return { id: e + "," + t + "," + n + "," + i, startCol: e, endCol: t, startRow: n, endRow: i } }, i._getBucketId = function (e, t) { return "C" + e + "R" + t }, i._createBucket = function (e, t) { return e[t] = [] }, i._bucketAddBody = function (e, t, n) { for (var i = 0; i < t.length; i++) { var r = t[i]; if (!(n.id === r.id || n.isStatic && r.isStatic)) { var a = o.id(n, r), s = e.pairs[a]; s ? s[2] += 1 : e.pairs[a] = [n, r, 1] } } t.push(n) }, i._bucketRemoveBody = function (e, t, n) { t.splice(r.indexOf(t, n), 1); for (var i = 0; i < t.length; i++) { var a = t[i], s = o.id(n, a), l = e.pairs[s]; l && (l[2] -= 1) } }, i._createActivePairsList = function (e) { var t, n, i = []; t = r.keys(e.pairs); for (var o = 0; o < t.length; o++)(n = e.pairs[t[o]])[2] > 0 ? i.push(n) : delete e.pairs[t[o]]; return i } }, function (e, t, n) { var i = e.exports = n(23); i.Axes = n(10), i.Bodies = n(11), i.Body = n(6), i.Bounds = n(1), i.Common = n(0), i.Composite = n(5), i.Composites = n(24), i.Constraint = n(8), i.Contact = n(17), i.Detector = n(13), i.Engine = n(18), i.Events = n(4), i.Grid = n(21), i.Mouse = n(12), i.MouseConstraint = n(25), i.Pair = n(9), i.Pairs = n(20), i.Plugin = n(15), i.Query = n(26), i.Render = n(16), i.Resolver = n(19), i.Runner = n(27), i.SAT = n(14), i.Sleeping = n(7), i.Svg = n(28), i.Vector = n(2), i.Vertices = n(3), i.World = n(29), i.Engine.run = i.Runner.run, i.Common.deprecated(i.Engine, "run", "Engine.run ➤ use Matter.Runner.run(engine) instead") }, function (e, t, n) { var i = {}; e.exports = i; var o = n(15), r = n(0); i.name = "matter-js", i.version = "0.17.1", i.uses = [], i.used = [], i.use = function () { o.use(i, Array.prototype.slice.call(arguments)) }, i.before = function (e, t) { return e = e.replace(/^Matter./, ""), r.chainPathBefore(i, e, t) }, i.after = function (e, t) { return e = e.replace(/^Matter./, ""), r.chainPathAfter(i, e, t) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(5), r = n(8), a = n(0), s = n(6), l = n(11), c = a.deprecated; i.stack = function (e, t, n, i, r, a, l) { for (var c, u = o.create({ label: "Stack" }), d = e, p = t, f = 0, v = 0; v < i; v++) { for (var m = 0, y = 0; y < n; y++) { var g = l(d, p, y, v, c, f); if (g) { var x = g.bounds.max.y - g.bounds.min.y, h = g.bounds.max.x - g.bounds.min.x; x > m && (m = x), s.translate(g, { x: .5 * h, y: .5 * x }), d = g.bounds.max.x + r, o.addBody(u, g), c = g, f += 1 } else d += r } p += m + a, d = e } return u }, i.chain = function (e, t, n, i, s, l) { for (var c = e.bodies, u = 1; u < c.length; u++) { var d = c[u - 1], p = c[u], f = d.bounds.max.y - d.bounds.min.y, v = d.bounds.max.x - d.bounds.min.x, m = p.bounds.max.y - p.bounds.min.y, y = { bodyA: d, pointA: { x: v * t, y: f * n }, bodyB: p, pointB: { x: (p.bounds.max.x - p.bounds.min.x) * i, y: m * s } }, g = a.extend(y, l); o.addConstraint(e, r.create(g)) } return e.label += " Chain", e }, i.mesh = function (e, t, n, i, s) { var l, c, u, d, p, f = e.bodies; for (l = 0; l < n; l++) { for (c = 1; c < t; c++)u = f[c - 1 + l * t], d = f[c + l * t], o.addConstraint(e, r.create(a.extend({ bodyA: u, bodyB: d }, s))); if (l > 0) for (c = 0; c < t; c++)u = f[c + (l - 1) * t], d = f[c + l * t], o.addConstraint(e, r.create(a.extend({ bodyA: u, bodyB: d }, s))), i && c > 0 && (p = f[c - 1 + (l - 1) * t], o.addConstraint(e, r.create(a.extend({ bodyA: p, bodyB: d }, s)))), i && c < t - 1 && (p = f[c + 1 + (l - 1) * t], o.addConstraint(e, r.create(a.extend({ bodyA: p, bodyB: d }, s)))) } return e.label += " Mesh", e }, i.pyramid = function (e, t, n, o, r, a, l) { return i.stack(e, t, n, o, r, a, (function (t, i, a, c, u, d) { var p = Math.min(o, Math.ceil(n / 2)), f = u ? u.bounds.max.x - u.bounds.min.x : 0; if (!(c > p || a < (c = p - c) || a > n - 1 - c)) return 1 === d && s.translate(u, { x: (a + (n % 2 == 1 ? 1 : -1)) * f, y: 0 }), l(e + (u ? a * f : 0) + a * r, i, a, c, u, d) })) }, i.newtonsCradle = function (e, t, n, i, a) { for (var s = o.create({ label: "Newtons Cradle" }), c = 0; c < n; c++) { var u = l.circle(e + c * (1.9 * i), t + a, i, { inertia: 1 / 0, restitution: 1, friction: 0, frictionAir: 1e-4, slop: 1 }), d = r.create({ pointA: { x: e + c * (1.9 * i), y: t }, bodyB: u }); o.addBody(s, u), o.addConstraint(s, d) } return s }, c(i, "newtonsCradle", "Composites.newtonsCradle ➤ moved to newtonsCradle example"), i.car = function (e, t, n, i, a) { var c = s.nextGroup(!0), u = .5 * -n + 20, d = .5 * n - 20, p = o.create({ label: "Car" }), f = l.rectangle(e, t, n, i, { collisionFilter: { group: c }, chamfer: { radius: .5 * i }, density: 2e-4 }), v = l.circle(e + u, t + 0, a, { collisionFilter: { group: c }, friction: .8 }), m = l.circle(e + d, t + 0, a, { collisionFilter: { group: c }, friction: .8 }), y = r.create({ bodyB: f, pointB: { x: u, y: 0 }, bodyA: v, stiffness: 1, length: 0 }), g = r.create({ bodyB: f, pointB: { x: d, y: 0 }, bodyA: m, stiffness: 1, length: 0 }); return o.addBody(p, f), o.addBody(p, v), o.addBody(p, m), o.addConstraint(p, y), o.addConstraint(p, g), p }, c(i, "car", "Composites.car ➤ moved to car example"), i.softBody = function (e, t, n, o, r, s, c, u, d, p) { d = a.extend({ inertia: 1 / 0 }, d), p = a.extend({ stiffness: .2, render: { type: "line", anchors: !1 } }, p); var f = i.stack(e, t, n, o, r, s, (function (e, t) { return l.circle(e, t, u, d) })); return i.mesh(f, n, o, c, p), f.label = "Soft Body", f }, c(i, "softBody", "Composites.softBody ➤ moved to softBody and cloth examples") }, function (e, t, n) { var i = {}; e.exports = i; var o = n(3), r = n(7), a = n(12), s = n(4), l = n(13), c = n(8), u = n(5), d = n(0), p = n(1); i.create = function (e, t) { var n = (e ? e.mouse : null) || (t ? t.mouse : null); n || (e && e.render && e.render.canvas ? n = a.create(e.render.canvas) : t && t.element ? n = a.create(t.element) : (n = a.create(), d.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected"))); var o = { type: "mouseConstraint", mouse: n, element: null, body: null, constraint: c.create({ label: "Mouse Constraint", pointA: n.position, pointB: { x: 0, y: 0 }, length: .01, stiffness: .1, angularStiffness: 1, render: { strokeStyle: "#90EE90", lineWidth: 3 } }), collisionFilter: { category: 1, mask: 4294967295, group: 0 } }, r = d.extend(o, t); return s.on(e, "beforeUpdate", (function () { var t = u.allBodies(e.world); i.update(r, t), i._triggerEvents(r) })), r }, i.update = function (e, t) { var n = e.mouse, i = e.constraint, a = e.body; if (0 === n.button) { if (i.bodyB) r.set(i.bodyB, !1), i.pointA = n.position; else for (var c = 0; c < t.length; c++)if (a = t[c], p.contains(a.bounds, n.position) && l.canCollide(a.collisionFilter, e.collisionFilter)) for (var u = a.parts.length > 1 ? 1 : 0; u < a.parts.length; u++) { var d = a.parts[u]; if (o.contains(d.vertices, n.position)) { i.pointA = n.position, i.bodyB = e.body = a, i.pointB = { x: n.position.x - a.position.x, y: n.position.y - a.position.y }, i.angleB = a.angle, r.set(a, !1), s.trigger(e, "startdrag", { mouse: n, body: a }); break } } } else i.bodyB = e.body = null, i.pointB = null, a && s.trigger(e, "enddrag", { mouse: n, body: a }) }, i._triggerEvents = function (e) { var t = e.mouse, n = t.sourceEvents; n.mousemove && s.trigger(e, "mousemove", { mouse: t }), n.mousedown && s.trigger(e, "mousedown", { mouse: t }), n.mouseup && s.trigger(e, "mouseup", { mouse: t }), a.clearSourceEvents(t) } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(2), r = n(14), a = n(1), s = n(11), l = n(3); i.collides = function (e, t) { for (var n = [], i = 0; i < t.length; i++) { var o = t[i]; if (a.overlaps(o.bounds, e.bounds)) for (var s = 1 === o.parts.length ? 0 : 1; s < o.parts.length; s++) { var l = o.parts[s]; if (a.overlaps(l.bounds, e.bounds)) { var c = r.collides(l, e); if (c.collided) { n.push(c); break } } } } return n }, i.ray = function (e, t, n, r) { r = r || 1e-100; for (var a = o.angle(t, n), l = o.magnitude(o.sub(t, n)), c = .5 * (n.x + t.x), u = .5 * (n.y + t.y), d = s.rectangle(c, u, l, r, { angle: a }), p = i.collides(d, e), f = 0; f < p.length; f += 1) { var v = p[f]; v.body = v.bodyB = v.bodyA } return p }, i.region = function (e, t, n) { for (var i = [], o = 0; o < e.length; o++) { var r = e[o], s = a.overlaps(r.bounds, t); (s && !n || !s && n) && i.push(r) } return i }, i.point = function (e, t) { for (var n = [], i = 0; i < e.length; i++) { var o = e[i]; if (a.contains(o.bounds, t)) for (var r = 1 === o.parts.length ? 0 : 1; r < o.parts.length; r++) { var s = o.parts[r]; if (a.contains(s.bounds, t) && l.contains(s.vertices, t)) { n.push(o); break } } } return n } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(4), r = n(18), a = n(0); !function () { var e, t, n; ("undefined" != typeof window && (e = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame, t = window.cancelAnimationFrame || window.mozCancelAnimationFrame || window.webkitCancelAnimationFrame || window.msCancelAnimationFrame), e) || (e = function (e) { n = setTimeout((function () { e(a.now()) }), 1e3 / 60) }, t = function () { clearTimeout(n) }); i.create = function (e) { var t = a.extend({ fps: 60, correction: 1, deltaSampleSize: 60, counterTimestamp: 0, frameCounter: 0, deltaHistory: [], timePrev: null, timeScalePrev: 1, frameRequestId: null, isFixed: !1, enabled: !0 }, e); return t.delta = t.delta || 1e3 / t.fps, t.deltaMin = t.deltaMin || 1e3 / t.fps, t.deltaMax = t.deltaMax || 1e3 / (.5 * t.fps), t.fps = 1e3 / t.delta, t }, i.run = function (t, n) { return void 0 !== t.positionIterations && (n = t, t = i.create()), function o(r) { t.frameRequestId = e(o), r && t.enabled && i.tick(t, n, r) }(), t }, i.tick = function (e, t, n) { var i, a = t.timing, s = 1, l = { timestamp: a.timestamp }; o.trigger(e, "beforeTick", l), e.isFixed ? i = e.delta : (i = n - e.timePrev || e.delta, e.timePrev = n, e.deltaHistory.push(i), e.deltaHistory = e.deltaHistory.slice(-e.deltaSampleSize), s = (i = (i = (i = Math.min.apply(null, e.deltaHistory)) < e.deltaMin ? e.deltaMin : i) > e.deltaMax ? e.deltaMax : i) / e.delta, e.delta = i), 0 !== e.timeScalePrev && (s *= a.timeScale / e.timeScalePrev), 0 === a.timeScale && (s = 0), e.timeScalePrev = a.timeScale, e.correction = s, e.frameCounter += 1, n - e.counterTimestamp >= 1e3 && (e.fps = e.frameCounter * ((n - e.counterTimestamp) / 1e3), e.counterTimestamp = n, e.frameCounter = 0), o.trigger(e, "tick", l), o.trigger(e, "beforeUpdate", l), r.update(t, i, s), o.trigger(e, "afterUpdate", l), o.trigger(e, "afterTick", l) }, i.stop = function (e) { t(e.frameRequestId) }, i.start = function (e, t) { i.run(e, t) } }() }, function (e, t, n) { var i = {}; e.exports = i; n(1); var o = n(0); i.pathToVertices = function (e, t) { "undefined" == typeof window || "SVGPathSeg" in window || o.warn("Svg.pathToVertices: SVGPathSeg not defined, a polyfill is required."); var n, r, a, s, l, c, u, d, p, f, v, m = [], y = 0, g = 0, x = 0; t = t || 15; var h = function (e, t, n) { var i = n % 2 == 1 && n > 1; if (!p || e != p.x || t != p.y) { p && i ? (f = p.x, v = p.y) : (f = 0, v = 0); var o = { x: f + e, y: v + t }; !i && p || (p = o), m.push(o), g = f + e, x = v + t } }, b = function (e) { var t = e.pathSegTypeAsLetter.toUpperCase(); if ("Z" !== t) { switch (t) { case "M": case "L": case "T": case "C": case "S": case "Q": g = e.x, x = e.y; break; case "H": g = e.x; break; case "V": x = e.y }h(g, x, e.pathSegType) } }; for (i._svgPathToAbsolute(e), a = e.getTotalLength(), c = [], n = 0; n < e.pathSegList.numberOfItems; n += 1)c.push(e.pathSegList.getItem(n)); for (u = c.concat(); y < a;) { if ((l = c[e.getPathSegAtLength(y)]) != d) { for (; u.length && u[0] != l;)b(u.shift()); d = l } switch (l.pathSegTypeAsLetter.toUpperCase()) { case "C": case "T": case "S": case "Q": case "A": s = e.getPointAtLength(y), h(s.x, s.y, 0) }y += t } for (n = 0, r = u.length; n < r; ++n)b(u[n]); return m }, i._svgPathToAbsolute = function (e) { for (var t, n, i, o, r, a, s = e.pathSegList, l = 0, c = 0, u = s.numberOfItems, d = 0; d < u; ++d) { var p = s.getItem(d), f = p.pathSegTypeAsLetter; if (/[MLHVCSQTA]/.test(f)) "x" in p && (l = p.x), "y" in p && (c = p.y); else switch ("x1" in p && (i = l + p.x1), "x2" in p && (r = l + p.x2), "y1" in p && (o = c + p.y1), "y2" in p && (a = c + p.y2), "x" in p && (l += p.x), "y" in p && (c += p.y), f) { case "m": s.replaceItem(e.createSVGPathSegMovetoAbs(l, c), d); break; case "l": s.replaceItem(e.createSVGPathSegLinetoAbs(l, c), d); break; case "h": s.replaceItem(e.createSVGPathSegLinetoHorizontalAbs(l), d); break; case "v": s.replaceItem(e.createSVGPathSegLinetoVerticalAbs(c), d); break; case "c": s.replaceItem(e.createSVGPathSegCurvetoCubicAbs(l, c, i, o, r, a), d); break; case "s": s.replaceItem(e.createSVGPathSegCurvetoCubicSmoothAbs(l, c, r, a), d); break; case "q": s.replaceItem(e.createSVGPathSegCurvetoQuadraticAbs(l, c, i, o), d); break; case "t": s.replaceItem(e.createSVGPathSegCurvetoQuadraticSmoothAbs(l, c), d); break; case "a": s.replaceItem(e.createSVGPathSegArcAbs(l, c, p.r1, p.r2, p.angle, p.largeArcFlag, p.sweepFlag), d); break; case "z": case "Z": l = t, c = n }"M" != f && "m" != f || (t = l, n = c) } } }, function (e, t, n) { var i = {}; e.exports = i; var o = n(5); n(0); i.create = o.create, i.add = o.add, i.remove = o.remove, i.clear = o.clear, i.addComposite = o.addComposite, i.addBody = o.addBody, i.addConstraint = o.addConstraint }]) }));