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example.js
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example.js
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var box1, box2;
function setup() {
backgroundColor('#eee');
newCanvas(1000, 500);
box1 = new Box(100, 200, 0);
box2 = new Box(300, 200, Math.PI/6);
}
function draw() {
box1.display();
box2.display();
}
function update() {
}
function Box(x, y, angle) {
this.width = 50;
this.height = 50;
this.position = vector(x, y);
this.angle = angle;
this.display = function() {
if (this.angle !== 0) {
ctx.save();
ctx.translate(this.position.x + this.width / 2, this.position.y + this.height / 2);
ctx.rotate(this.angle);
fillColor("green");
rect(0 - this.width / 2, 0 - this.height / 2, this.width, this.height);
fillColor("blue");
ellipse(0, 0, 10, 10);
ctx.restore();
} else {
fillColor("green");
rect(this.position.x, this.position.y, this.width, this.height);
}
if (this.angle !== 0) {
ctx.save();
ctx.translate(this.position.x + this.width / 2, this.position.y + this.height / 2);
ctx.rotate(this.angle);
ctx.translate(-(this.position.x + this.width / 2), -(this.position.y + this.height / 2));
}
fillColor("red");
rect(this.position.x, this.position.y, this.width, this.height);
if(this.angle !== 0) {
fillColor("pink");
ellipse(this.position.x + this.width / 2, this.position.y + this.height / 2, 10, 10);
ctx.restore();
}
}
}