TestPatterns.pde

   1 /**
   2  * Simplest demonstration of using the rotating master hue.
   3  * All pixels are full-on the same color.
   4  */
   5 class TestHuePattern extends SCPattern {
   6   public TestHuePattern(GLucose glucose) {
   7     super(glucose);
   8   }
   9
  10   public void run(int deltaMs) {
  11     // Access the core master hue via this method call
  12     float hv = lx.getBaseHuef();
  13     for (int i = 0; i < colors.length; ++i) {
  14       colors[i] = color(hv, 100, 100);
  15     }
  16   }
  17 }
  18
  19 /**
  20  * Test of a wave moving across the X axis.
  21  */
  22 class TestXPattern extends SCPattern {
  23   private final SinLFO xPos = new SinLFO(0, model.xMax, 4000);
  24   public TestXPattern(GLucose glucose) {
  25     super(glucose);
  26     addModulator(xPos).trigger();
  27   }
  28   public void run(int deltaMs) {
  29     float hv = lx.getBaseHuef();
  30     for (Point p : model.points) {
  31       // This is a common technique for modulating brightness.
  32       // You can use abs() to determine the distance between two
  33       // values. The further away this point is from an exact
  34       // point, the more we decrease its brightness
  35       float bv = max(0, 100 - abs(p.fx - xPos.getValuef()));
  36       colors[p.index] = color(hv, 100, bv);
  37     }
  38   }
  39 }
  40
  41 /**
  42  * Test of a wave on the Y axis.
  43  */
  44 class TestYPattern extends SCPattern {
  45   private final SinLFO yPos = new SinLFO(0, model.yMax, 4000);
  46   public TestYPattern(GLucose glucose) {
  47     super(glucose);
  48     addModulator(yPos).trigger();
  49   }
  50   public void run(int deltaMs) {
  51     float hv = lx.getBaseHuef();
  52     for (Point p : model.points) {
  53       float bv = max(0, 100 - abs(p.fy - yPos.getValuef()));
  54       colors[p.index] = color(hv, 100, bv);
  55     }
  56   }
  57 }
  58
  59 /**
  60  * Test of a wave on the Z axis.
  61  */
  62 class TestZPattern extends SCPattern {
  63   private final SinLFO zPos = new SinLFO(0, model.zMax, 4000);
  64   public TestZPattern(GLucose glucose) {
  65     super(glucose);
  66     addModulator(zPos).trigger();
  67   }
  68   public void run(int deltaMs) {
  69     float hv = lx.getBaseHuef();
  70     for (Point p : model.points) {
  71       float bv = max(0, 100 - abs(p.fz - zPos.getValuef()));
  72       colors[p.index] = color(hv, 100, bv);
  73     }
  74   }
  75 }
  76
  77 /**
  78  * This is a demonstration of how to use the projection library. A projection
  79  * creates a mutation of the coordinates of all the points in the model, creating
  80  * virtual x,y,z coordinates. In effect, this is like virtually rotating the entire
  81  * art car. However, since in reality the car does not move, the result is that
  82  * it appears that the object we are drawing on the car is actually moving.
  83  *
  84  * Keep in mind that what we are creating a projection of is the view coordinates.
  85  * Depending on your intuition, some operations may feel backwards. For instance,
  86  * if you translate the view to the right, it will make it seem that the object
  87  * you are drawing has moved to the left. If you scale the view up 2x, objects
  88  * drawn with the same absolute values will seem to be half the size.
  89  *
  90  * If this feels counterintuitive at first, don't worry. Just remember that you
  91  * are moving the pixels, not the structure. We're dealing with a finite set
  92  * of sparse, non-uniformly spaced pixels. Mutating the structure would move
  93  * things to a space where there are no pixels in 99% of the cases.
  94  */
  95 class TestProjectionPattern extends SCPattern {
  96
  97   private final Projection projection;
  98   private final SawLFO angle = new SawLFO(0, TWO_PI, 9000);
  99   private final SinLFO yPos = new SinLFO(-20, 40, 5000);
 100
 101   public TestProjectionPattern(GLucose glucose) {
 102     super(glucose);
 103     projection = new Projection(model);
 104     addModulator(angle).trigger();
 105     addModulator(yPos).trigger();
 106   }
 107
 108   public void run(int deltaMs) {
 109     // For the same reasons described above, it may logically feel to you that
 110     // some of these operations are in reverse order. Again, just keep in mind that
 111     // the car itself is what's moving, not the object
 112     projection.reset(model)
 113
 114       // Translate so the center of the car is the origin, offset by yPos
 115       .translateCenter(0, yPos.getValuef(), 0)
 116
 117       // Rotate around the origin (now the center of the car) about an X-vector
 118       .rotate(angle.getValuef(), 1, 0, 0)
 119
 120       // Scale up the Y axis (objects will look smaller in that access)
 121       .scale(1, 1.5, 1);
 122
 123     float hv = lx.getBaseHuef();
 124     for (Coord c : projection) {
 125       float d = sqrt(c.x*c.x + c.y*c.y + c.z*c.z); // distance from origin
 126       // d = abs(d-60) + max(0, abs(c.z) - 20); // life saver / ring thing
 127       d = max(0, abs(c.y) - 10 + .3*abs(c.z) + .08*abs(c.x)); // plane / spear thing
 128       colors[c.index] = color(
 129         (hv + .6*abs(c.x) + abs(c.z)) % 360,
 130         100,
 131         constrain(140 - 10*d, 0, 100)
 132       );
 133     }
 134   }
 135 }
 136
 137 class MappingTool extends SCPattern {
 138
 139   private int cubeIndex = 0;
 140   private int stripIndex = 0;
 141
 142   public boolean mappingModeSingleCube = true;
 143
 144   public final int CUBE_MODE_ALL = 0;
 145   public final int CUBE_MODE_SINGLE_STRIP = 1;
 146   public final int CUBE_MODE_STRIP_PATTERN = 2;
 147   public int cubeMode = CUBE_MODE_ALL;
 148
 149   public boolean channelModeRed = true;
 150   public boolean channelModeGreen = false;
 151   public boolean channelModeBlue = false;
 152
 153   MappingTool(GLucose glucose) {
 154     super(glucose);
 155   }
 156
 157   private void printInfo() {
 158     println("Cube:" + cubeIndex + " Strip:" + (stripIndex+1));
 159   }
 160
 161   public void cube(int delta) {
 162     int len = model.cubes.size();
 163     cubeIndex = (len + cubeIndex + delta) % len;
 164     printInfo();
 165   }
 166
 167   public void strip(int delta) {
 168     int len = Cube.CLIPS_PER_CUBE * Clip.STRIPS_PER_CLIP;
 169     stripIndex = (len + stripIndex + delta) % len;
 170     printInfo();
 171   }
 172
 173   public void run(int deltaMs) {
 174     color off = color(0, 0, 0);
 175     color c = off;
 176     color r = #FF0000;
 177     color g = #00FF00;
 178     color b = #0000FF;
 179     if (channelModeRed) c |= r;
 180     if (channelModeGreen) c |= g;
 181     if (channelModeBlue) c |= b;
 182
 183     int ci = 0;
 184     for (Cube cube : model.cubes) {
 185       if (!mappingModeSingleCube || (cubeIndex == ci)) {
 186         if (cubeMode == CUBE_MODE_STRIP_PATTERN) {
 187           int si = 0;
 188           color sc = off;
 189           for (Strip strip : cube.strips) {
 190             int clipI = si / Clip.STRIPS_PER_CLIP;
 191             switch (clipI) {
 192               case 0: sc = r; break;
 193               case 1: sc = g; break;
 194               case 2: sc = b; break;
 195               case 3: sc = r|g|b; break;
 196             }
 197             if (si % Clip.STRIPS_PER_CLIP == 2) {
 198               sc = r|g;
 199             }
 200             setColor(strip, sc);
 201             ++si;
 202           }
 203         } else if (cubeMode == CUBE_MODE_SINGLE_STRIP) {
 204           setColor(cube, off);
 205           setColor(cube.strips.get(stripIndex), c);
 206         } else {
 207           setColor(cube, c);
 208         }
 209       } else {
 210         setColor(cube, off);
 211       }
 212       ++ci;
 213     }
 214
 215   }
 216
 217   public void incCube() {
 218     cubeIndex = (cubeIndex + 1) % model.cubes.size();
 219   }
 220
 221   public void decCube() {
 222     --cubeIndex;
 223     if (cubeIndex < 0) {
 224       cubeIndex += model.cubes.size();
 225     }
 226   }
 227
 228   public void incStrip() {
 229     int stripsPerCube = Cube.CLIPS_PER_CUBE * Clip.STRIPS_PER_CLIP;
 230     stripIndex = (stripIndex + 1) % stripsPerCube;
 231   }
 232
 233   public void decStrip() {
 234     int stripsPerCube = Cube.CLIPS_PER_CUBE * Clip.STRIPS_PER_CLIP;
 235     --stripIndex;
 236     if (stripIndex < 0) {
 237       stripIndex += stripsPerCube;
 238     }
 239   }
 240
 241   public void keyPressed() {
 242     switch (keyCode) {
 243       case UP: incCube(); break;
 244       case DOWN: decCube(); break;
 245       case LEFT: decStrip(); break;
 246       case RIGHT: incStrip(); break;
 247     }
 248     switch (key) {
 249       case 'r': channelModeRed = !channelModeRed; break;
 250       case 'g': channelModeGreen = !channelModeGreen; break;
 251       case 'b': channelModeBlue = !channelModeBlue; break;
 252     }
 253   }
 254 }