MIT Licence
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// TurtleToy Spirograph Script // Initial spirograph from Chat GPT // You can find the Turtle API reference here: https://turtletoy.net/syntax // Released under the MIT licence // https://mit-license.org/ // you can use this for commercial gain if you like eg you can sell artworks with this code. turtle = new Turtle var step = 0 // Adjust these values to change the appearance of the spirograph const R = 100; // min=1 max=100 step=1 // Radius of fixed circle const rMoving = 60; // min=1 max=100 step=0.1 // Radius of moving circle const Scale = 50; // min=1 max=100 step=1 // Offset from the center of the moving circle const Steps = 365; // min=1 max=1000 step=1 // Offset from the center of the moving circle // const grid = 12; // min=1 max=24 step=1 function spirograph(R, r, Scale) { for (let t = 0; t < Steps; t += 0.01) { // Parametric equations for spirograph x = (R - rMoving) * Math.cos(t) + Scale * Math.cos((R - rMoving) * t / r); y = (R - rMoving) * Math.sin(t) - Scale * Math.sin((R - rMoving) * t / r); // Move the turtle to the calculated point turtle.goto(x, y); turtle.pendown(); } } turtle.penup(); spirograph(R, rMoving, Scale);