MicahScott.pde

   1 // Port of a pattern from Fadecandy. Micah Elizabeth Scott, November 2013.
   2 class Rings extends SCPattern {
   3
   4     float dx, dy, dz;
   5     float angleParam, z, hue, satParam, spacingParam;
   6     float dzParam, centerParam;
   7
   8     public Rings(GLucose glucose) {
   9         super(glucose);
  10     }
  11
  12     public void run(double deltaMs) {
  13
  14         float noiseScale = 0.02;
  15         float speed = 0.002;
  16         float zspeed = 0.04;
  17         float scale = 1.0;
  18
  19         angleParam += (deltaMs * 0.001) % (2*PI);
  20         float angle = sin(angleParam);
  21
  22         z += deltaMs * 0.0008;
  23         hue += (deltaMs * 0.036) % 360;
  24
  25         satParam += deltaMs * 0.000122;
  26         spacingParam += deltaMs * 0.000124;
  27         dzParam += deltaMs * 0.000014;
  28         centerParam += deltaMs * 0.000125;
  29
  30         float saturation = 100 * constrain(pow(1.9 * noise(satParam), 2.5), 0, 1);
  31         float spacing = noise(spacingParam) * 50;
  32
  33         dx += cos(angle) * speed;
  34         dy += sin(angle) * speed;
  35         dz += (pow(noise(dzParam), 1.8) - 0.5) * zspeed;
  36
  37         float centerx = map(noise(centerParam, 100), 0, 1, -0.1, 1.1);
  38         float centery = map(noise(centerParam, 200), 0, 1, -0.1, 1.1);
  39         float centerz = map(noise(centerParam, 300), 0, 1, -0.1, 1.1);
  40
  41         float coordMin = min(model.xMin, min(model.yMin, model.zMin));
  42         float coordMax = max(model.xMax, max(model.yMax, model.zMax));
  43
  44         for (LXPoint p : model.points) {
  45
  46             // Scale while preserving aspect ratio
  47             float x = map(p.x, coordMin, coordMax, 0, 1);
  48             float y = map(p.y, coordMin, coordMax, 0, 1);
  49             float z = map(p.z, coordMin, coordMax, 0, 1);
  50
  51             float dist = sqrt(sq(x - centerx) + sq(y - centery) + sq(z - centerz));
  52             float pulse = (sin(dz + dist * spacing) - 0.3) * 0.6;
  53
  54             noiseDetail(4);
  55             float n = map(noise(dx + x*scale + pulse, dy + y*scale, dz + z*scale), 0, 1, -0.65, 1);
  56             float m = map(noise(dx + x*scale, dy + y*scale, dz + z*scale), 0, 1, 0, 300);
  57             noiseDetail(1);
  58
  59             colors[p.index] = lx.hsb(
  60                 (hue + m) % 360.0,
  61                 saturation,
  62                 100 * constrain(pow(3.0 * n, 3.5), 0, 1.0)
  63                 );
  64         }
  65     }
  66 };