Classic "butterfly" Lorenz attractor.

I just added a slider, when I plotted the original 10,000 iterations was too many.

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// Forked from "Lorenz XZ" by evilotto // https://turtletoy.net/turtle/30f29b215b // You can find the Turtle API reference here: https://turtletoy.net/syntax Canvas.setpenopacity(1); // Global code will be evaluated once. const turtle = new Turtle(); const n = 2000; //min=300 max=10000 step=100 turtle.penup(); function project() { turtle.goto(x * 3, (-z + 28) * 3); // turtle.goto(x * 3, y * 3); // turtle.goto(y * 3, (-z + 28) * 3); } x = 1.0; y = 1.0; z = 1.0; project(); turtle.pendown(); si = 10.0 ; b = 8.0/3.0; r = 28.0; dt = .01; // The walk function will be called until it returns false. function walk(i) { nx = x + dt * (si * (y - x)); ny = y + dt * (x * (r - z) - y); nz = z + dt * (x * y - b * z); x = nx; y = ny; z = nz; project(); return i < n }