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art/I'm An Ant - Carlos Ramírez/index.js

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+/*
+@title: I'm An Ant
+@author: Carlos Ramírez
+@snapshot: i'm_an_ant.png
+*/
+
+setDocDimensions(125, 125);
+
+
+const numArms = 12;
+const allLines = [];
+
+
+function createSpiralArm(startAngle, scale) {
+    const turtle = new bt.Turtle();
+    turtle.down()
+        .jump([62.5, 62.5]) 
+        .setAngle(startAngle);
+
+
+    for (let i = 0; i < 50; i++) {
+        const step = 1 + (i * 0.15);
+        const angle = 10 + bt.noise(i * 0.1) * 5;
+
+        turtle.forward(step)
+            .right(angle);
+
+
+        if (bt.rand() < 0.1) {
+            const branchTurtle = turtle.copy();
+            branchTurtle.right(45)
+                .forward(step * 0.7)
+                .right(30)
+                .forward(step * 0.5);
+            allLines.push(...branchTurtle.lines());
+        }
+    }
+
+    return turtle.lines();
+}
+
+
+const centerTurtle = new bt.Turtle();
+centerTurtle.down()
+    .jump([62.5, 62.5]);
+
+for (let i = 0; i < 36; i++) {
+    centerTurtle.forward(3)
+        .right(10)
+        .forward(1)
+        .right(10);
+}
+
+allLines.push(...centerTurtle.lines());
+
+for (let i = 0; i < numArms; i++) {
+    const angle = (360 / numArms) * i;
+    const spiralArm = createSpiralArm(angle, 1);
+    allLines.push(...spiralArm);
+
+
+    const mirroredArm = createSpiralArm(angle + (360 / numArms / 2), 0.7);
+    allLines.push(...mirroredArm);
+}
+
+
+const decorTurtle = new bt.Turtle();
+for (let i = 0; i < 8; i++) {
+    const radius = 5 + i * 3;
+    const numPoints = 30 + i * 5;
+    decorTurtle.up()
+        .jump([62.5 + radius, 62.5])
+        .down();
+
+    for (let j = 0; j < numPoints; j++) {
+        const angle = (360 / numPoints);
+        decorTurtle.right(angle)
+            .forward(2 * Math.PI * radius / numPoints);
+    }
+}
+
+allLines.push(...decorTurtle.lines());
+
+
+drawLines(allLines);