60 lines, no comments · 782 tokens, written in 11 seconds for $0.021

 1  let angleOffset = 0;
 2  
 3  function setup() {
 4    createCanvas(windowWidth, windowHeight);
 5    angleMode(RADIANS);
 6  }
 7  
 8  function draw() {
 9    background(15, 20, 35, 40);
10    
11    let mx = map(mouseX, 0, width, -0.3, 0.3);
12    angleOffset = sin(frameCount * 0.01) * 0.2 + mx;
13    
14    translate(width / 2, height);
15    stroke(220, 180, 120);
16    branch(height * 0.22, 9);
17  }
18  
19  function branch(len, depth) {
20    if (depth === 0) {
21      noStroke();
22      let hueShift = (frameCount * 0.5 + len * 2) % 360;
23      fill((hueShift + 180) % 360, 150, 255, 180);
24      colorMode(HSB, 360, 255, 255, 255);
25      fill(hueShift, 200, 255, 200);
26      let r = 4 + sin(frameCount * 0.05 + len) * 3;
27      ellipse(0, 0, r, r);
28      colorMode(RGB, 255);
29      return;
30    }
31    
32    strokeWeight(map(depth, 0, 9, 0.5, 5));
33    stroke(220, 180, 120, 180);
34    line(0, 0, 0, -len);
35    translate(0, -len);
36    
37    let a = PI / 7 + angleOffset * 0.3;
38    
39    push();
40    rotate(a);
41    branch(len * 0.72, depth - 1);
42    pop();
43    
44    push();
45    rotate(-a * 1.1);
46    branch(len * 0.68, depth - 1);
47    pop();
48    
49    if (depth > 5) {
50      push();
51      rotate(a * 0.2);
52      branch(len * 0.55, depth - 2);
53      pop();
54    }
55  }
56  
57  function windowResized() {
58    resizeCanvas(windowWidth, windowHeight);
59  }
60