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function setup() {
createCanvas(600, 600);
angleMode(DEGREES);
}
function draw() {
background(220);
noFill();
strokeWeight(5);
translate(width/2, height/2);
var angle = 2.0;
var scalar = 3.5;
beginShape();
for(var i = 0.1; i < 20; i += 0.1) {
var x = cos(angle) * scalar * 0.1;
var y = sin(angle) * scalar * 0.1;
curveVertex(x, y);
angle += i;
scalar += i;
}
endShape();
}