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 LXProjection projection;
  13   SinLFO rotationX = new SinLFO(-PI/16, PI/8, 9000);
  14   SinLFO rotationY = new SinLFO(-PI/8, PI/8, 7000);
  15   SinLFO rotationZ = new SinLFO(-PI/8, PI/16, 11000);
  16   SinLFO yPos = new SinLFO(-1, 1, 13234);
  17   SinLFO sineHeight = new SinLFO(1, 2.5, 13234);
  18   SawLFO phaseLFO = new SawLFO(0, 2 * PI, 15000 - 13000 * 0.5);
  19   final BasicParameter phaseParam = new BasicParameter("Spd", 0.5);
  20   final BasicParameter crazyParam = new BasicParameter("Crzy", 0.5);
  21
  22   final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
  23
  24   public Swim(LX lx) {
  25     super(lx);
  26     projection = new LXProjection(model);
  27     addParameter(hueScale);
  28     addParameter(crazyParam);
  29     addParameter(phaseParam);
  30
  31     addModulator(rotationX).trigger();
  32     addModulator(rotationY).trigger();
  33     addModulator(rotationZ).trigger();
  34     addModulator(yPos).trigger();
  35     addModulator(phaseLFO).trigger();
  36   }
  37
  38   public void onParameterChanged(LXParameter parameter) {
  39     if (parameter == phaseParam) {
  40       phaseLFO.setDuration(5000 - 4500 * parameter.getValuef());
  41     }
  42   }
  43
  44   int beat = 0;
  45   float prevRamp = 0;
  46   void run(double deltaMs) {
  47
  48     float phase = phaseLFO.getValuef();
  49
  50     float up_down_range = (model.yMax - model.yMin) / 4;
  51
  52     // Swim around the world
  53     float crazy_factor = crazyParam.getValuef() / 0.2;
  54     projection.reset()
  55     .rotate(rotationZ.getValuef() * crazy_factor,  0, 1, 0)
  56       .rotate(rotationX.getValuef() * crazy_factor, 0, 0, 1)
  57         .rotate(rotationY.getValuef() * crazy_factor, 0, 1, 0)
  58           .translate(0, up_down_range * yPos.getValuef(), 0);
  59
  60
  61     float model_height =  model.yMax - model.yMin;
  62     float model_width =  model.xMax - model.xMin;
  63     for (LXVector p : projection) {
  64       float x_percentage = (p.x - model.xMin)/model_width;
  65
  66       // Multiply by sineHeight to shrink the size of the sin wave to be less than the height of the cubes.
  67       float y_in_range = sineHeight.getValuef() * (2*p.y - model.yMax - model.yMin) / model_height;
  68       float sin_x =  sin(phase + 2 * PI * x_percentage);
  69
  70       float size_of_sin_wave = 0.4;
  71
  72       float v1 = (abs(y_in_range - sin_x) > size_of_sin_wave) ? 0 : abs((y_in_range - sin_x + size_of_sin_wave) / size_of_sin_wave / 2 * 100);
  73
  74
  75       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;
  76       colors[p.index] = lx.hsb(hue_color, 100, v1);
  77     }
  78   }
  79 }
  80
  81 /**
  82  * 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.
  83  * This is not done.
  84  */
  85 class Balance extends SCPattern {
  86
  87   final BasicParameter hueScale = new BasicParameter("Hue", 0.4);
  88
  89   class Sphere {
  90     float x, y, z;
  91   }
  92
  93
  94   // Projection stuff
  95   private final LXProjection projection;
  96
  97   SinLFO sphere1Z = new SinLFO(0, 0, 15323);
  98   SinLFO sphere2Z = new SinLFO(0, 0, 8323);
  99   SinLFO rotationX = new SinLFO(-PI/32, PI/32, 9000);
 100   SinLFO rotationY = new SinLFO(-PI/16, PI/16, 7000);
 101   SinLFO rotationZ = new SinLFO(-PI/16, PI/16, 11000);
 102   SawLFO phaseLFO = new SawLFO(0, 2 * PI, 5000 - 4500 * 0.5);
 103   final BasicParameter phaseParam = new BasicParameter("Spd", 0.5);
 104   final BasicParameter crazyParam = new BasicParameter("Crzy", 0.2);
 105
 106
 107   private final Sphere[] spheres;
 108   private final float centerX, centerY, centerZ, modelHeight, modelWidth, modelDepth;
 109   SinLFO heightMod = new SinLFO(0.8, 1.9, 17298);
 110
 111   public Balance(LX lx) {
 112     super(lx);
 113
 114     projection = new LXProjection(model);
 115
 116     addParameter(hueScale);
 117     addParameter(phaseParam);
 118     addParameter(crazyParam);
 119
 120     spheres = new Sphere[2];
 121     centerX = (model.xMax + model.xMin) / 2;
 122     centerY = (model.yMax + model.yMin) / 2;
 123     centerZ = (model.zMax + model.zMin) / 2;
 124     modelHeight = model.yMax - model.yMin;
 125     modelWidth = model.xMax - model.xMin;
 126     modelDepth = model.zMax - model.zMin;
 127
 128     spheres[0] = new Sphere();
 129     spheres[0].x = 1*modelWidth/2 + model.xMin;
 130     spheres[0].y = centerY + 20;
 131     spheres[0].z = centerZ;
 132
 133     spheres[1] = new Sphere();
 134     spheres[1].x = model.xMin;
 135     spheres[1].y = centerY - 20;
 136     spheres[1].z = centerZ;
 137
 138     addModulator(rotationX).trigger();
 139     addModulator(rotationY).trigger();
 140     addModulator(rotationZ).trigger();
 141
 142
 143     addModulator(sphere1Z).trigger();
 144     addModulator(sphere2Z).trigger();
 145     addModulator(phaseLFO).trigger();
 146
 147     addModulator(heightMod).trigger();
 148   }
 149
 150   public void onParameterChanged(LXParameter parameter) {
 151     if (parameter == phaseParam) {
 152       phaseLFO.setDuration(5000 - 4500 * parameter.getValuef());
 153     }
 154   }
 155
 156   int beat = 0;
 157   float prevRamp = 0;
 158   void run(double deltaMs) {
 159
 160     // Sync to the beat
 161     float ramp = (float)lx.tempo.ramp();
 162     if (ramp < prevRamp) {
 163       beat = (beat + 1) % 4;
 164     }
 165     prevRamp = ramp;
 166     float phase = phaseLFO.getValuef();
 167
 168     float crazy_factor = crazyParam.getValuef() / 0.2;
 169     projection.reset()
 170       .rotate(rotationZ.getValuef() * crazy_factor,  0, 1, 0)
 171         .rotate(rotationX.getValuef() * crazy_factor, 0, 0, 1)
 172           .rotate(rotationY.getValuef() * crazy_factor, 0, 1, 0);
 173
 174     for (LXVector p : projection) {
 175       float x_percentage = (p.x - model.xMin)/modelWidth;
 176
 177       float y_in_range = heightMod.getValuef() * (2*p.y - model.yMax - model.yMin) / modelHeight;
 178       float sin_x =  sin(PI / 2 + phase + 2 * PI * x_percentage);
 179
 180       // Color fade near the top of the sin wave
 181       float v1 = max(0, 100 * (1 - 4*abs(sin_x - y_in_range)));
 182
 183       float hue_color = (lx.getBaseHuef() + hueScale.getValuef() * (abs(p.x-model.xMax/2.) + abs(p.y-model.yMax/2)*.2 + abs(p.z - model.zMax/2.)*.5)) % 360;
 184       color c = lx.hsb(hue_color, 80, v1);
 185
 186       // Now draw the spheres
 187       for (Sphere s : spheres) {
 188         float phase_x = (s.x - phase / (2 * PI) * modelWidth) % modelWidth;
 189         float x_dist = LXUtils.wrapdistf(p.x, phase_x, modelWidth);
 190
 191         float sphere_z = (s == spheres[0]) ? (s.z + sphere1Z.getValuef()) : (s.z - sphere2Z.getValuef());
 192
 193
 194         float d = sqrt(pow(x_dist, 2) + pow(p.y - s.y, 2) + pow(p.z - sphere_z, 2));
 195
 196         float distance_from_beat =  (beat % 2 == 1) ? 1 - ramp : ramp;
 197
 198         min(ramp, 1-ramp);
 199
 200         float r = 40 - pow(distance_from_beat, 0.75) * 20;
 201
 202         float distance_value = max(0, 1 - max(0, d - r) / 10);
 203         float beat_value = 1.0;
 204
 205         float value = min(beat_value, distance_value);
 206
 207         float sphere_color = (lx.getBaseHuef() - (1 - hueScale.getValuef()) * d/r * 45) % 360;
 208
 209         c = blendColor(c, lx.hsb((sphere_color + 270) % 360, 60, min(1, value) * 100), ADD);
 210       }
 211       colors[p.index] = c;
 212     }
 213   }
 214 }