JackStahl.pde

   1 /**
   2  * A Projection of sin wave in 3d space.
   3  * It sort of looks like an animal swiming around in water.
   4  * Angle sliders are sort of a work in progress that allow yo to change the crazy ways it moves around.
   5  * Hue slider allows you to control how different the colors are along the wave.
   6  *
   7  * This code copied heavily from Tim and Slee.
   8  */
   9 class Swim extends SCPattern {
  10
  11   // Projection stuff
  12   private final Projection projection;
  13   SawLFO rotation = new SawLFO(0, TWO_PI, 19000);
  14   SinLFO yPos = new SinLFO(-25, 25, 12323);
  15   final BasicParameter xAngle = new BasicParameter("XANG", 0.9);
  16   final BasicParameter yAngle = new BasicParameter("YANG", 0.3);
  17   final BasicParameter zAngle = new BasicParameter("ZANG", 0.3);
  18
  19   final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
  20
  21   public Swim(GLucose glucose) {
  22     super(glucose);
  23     projection = new Projection(model);
  24
  25     addParameter(xAngle);
  26     addParameter(yAngle);
  27     addParameter(zAngle);
  28     addParameter(hueScale);
  29
  30     addModulator(rotation).trigger();
  31     addModulator(yPos).trigger();
  32
  33   }
  34
  35
  36   int beat = 0;
  37   float prevRamp = 0;
  38   void run(int deltaMs) {
  39
  40     // Sync to the beat
  41     float ramp = (float)lx.tempo.ramp();
  42     if (ramp < prevRamp) {
  43       beat = (beat + 1) % 4;
  44     }
  45     prevRamp = ramp;
  46     float phase = (beat+ramp) / 2.0 * 4 * PI;
  47
  48     float denominator = max(xAngle.getValuef() + yAngle.getValuef() + zAngle.getValuef(), 1);
  49
  50     projection.reset(model)
  51       // Swim around the world
  52       .rotate(rotation.getValuef(), xAngle.getValuef() / denominator, yAngle.getValuef() / denominator, zAngle.getValuef() / denominator)
  53         .translateCenter(model, 0, 50 + yPos.getValuef(), 0);
  54
  55     float model_height =  model.yMax - model.yMin;
  56     float model_width =  model.xMax - model.xMin;
  57     for (Coord p : projection) {
  58       float x_percentage = (p.x - model.xMin)/model_width;
  59
  60       // Multiply by 1.4 to shrink the size of the sin wave to be less than the height of the cubes.
  61       float y_in_range = 1.4 * (2*p.y - model.yMax - model.yMin) / model_height;
  62       float sin_x =  sin(phase + 2 * PI * x_percentage);
  63
  64       // Color fade near the top of the sin wave
  65       float v1 = sin_x > y_in_range  ? (100 + 100*(y_in_range - sin_x)) : 0;
  66
  67       float hue_color = (lx.getBaseHuef() + hueScale.getValuef() * (abs(p.x-model.xMax/2.)*.3 + abs(p.y-model.yMax/2)*.9 + abs(p.z - model.zMax/2.))) % 360;
  68       colors[p.index] = color(hue_color, 70, v1);
  69     }
  70   }
  71 }
  72
  73 /**
  74  * The idea here is to do another sin wave pattern, but with less rotation and more of a breathing / heartbeat affect with spheres above / below the wave.
  75  * TODO
  76  */
  77 class Breathe extends SCPattern {
  78
  79   final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
  80
  81   public Breathe(GLucose glucose) {
  82     super(glucose);
  83
  84     addParameter(hueScale);
  85   }
  86
  87
  88   int beat = 0;
  89   float prevRamp = 0;
  90   void run(int deltaMs) {
  91
  92     // Sync to the beat
  93     float ramp = (float)lx.tempo.ramp();
  94     if (ramp < prevRamp) {
  95       beat = (beat + 1) % 4;
  96     }
  97     prevRamp = ramp;
  98     float phase = (beat+ramp) / 2.0 * 2 * PI;
  99
 100     float model_height =  model.yMax - model.yMin;
 101     float model_width =  model.xMax - model.xMin;
 102     for (Point p : model.points) {
 103       float x_percentage = (p.x - model.xMin)/model_width;
 104
 105       // Multiply by 1.4 to shrink the size of the sin wave to be less than the height of the truck.
 106       float y_in_range = 1.4 * (2*p.y - model.yMax - model.yMin) / model_height;
 107       // xcxc add back phase
 108       float sin_x =  sin(phase + 2 * PI * x_percentage);
 109
 110       // Color fade near the top of the sin wave
 111       float v1 = sin_x > y_in_range  ? (100 + 100*(y_in_range - sin_x)) : 0;
 112
 113       float hue_color = (lx.getBaseHuef() + hueScale.getValuef() * (abs(p.x-model.xMax/2.)*.6 + abs(p.y-model.yMax/2)*.9 + abs(p.z - model.zMax/2.))) % 360;
 114       colors[p.index] = color(hue_color, 70, v1);
 115     }
 116   }
 117 }
 118
 119