From: Jack Stahl <jack@asana.com>
Date: Tue, 20 Aug 2013 10:20:36 +0000 (-0700)
Subject: V1 of Breathe
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=7e052ababe636aac148f15f4b8a84fbbfea3f44a;p=SugarCubes.git

V1 of Breathe
---

diff --git a/JackStahl.pde b/JackStahl.pde
index 710ad94..577d20f 100644
--- a/JackStahl.pde
+++ b/JackStahl.pde
@@ -15,7 +15,7 @@ class Swim extends SCPattern {
   final BasicParameter xAngle = new BasicParameter("XANG", 0.9);
   final BasicParameter yAngle = new BasicParameter("YANG", 0.3);
   final BasicParameter zAngle = new BasicParameter("ZANG", 0.3);
-  
+
   final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
 
   public Swim(GLucose glucose) {
@@ -29,7 +29,6 @@ class Swim extends SCPattern {
 
     addModulator(rotation).trigger();
     addModulator(yPos).trigger();
-
   }
 
 
@@ -72,46 +71,61 @@ class Swim extends SCPattern {
 
 /** 
  * 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.
- * TODO
- */ 
+ * This is not done.
+ */
 class Breathe extends SCPattern {
 
   final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
 
   class Sphere {
     float x, y, z;
-    float radius;
-    float hue;
   }
-  
+
+
+  // Projection stuff
+  private final Projection projection;
+
+  SinLFO sphere1Z = new SinLFO(0, 80, 15323);
+  SinLFO sphere2Z = new SinLFO(-80, 0, 8323);
+  SawLFO rotation = new SawLFO(- PI / 16, PI / 16, 7334);
+
+
   private final Sphere[] spheres;
-  private final float centerX, centerY, centerZ;
+  private final float centerX, centerY, centerZ, modelHeight, modelWidth, modelDepth;
+  SinLFO heightMod = new SinLFO(0.6, 1.85, 17298);
 
   public Breathe(GLucose glucose) {
     super(glucose);
 
+    // Unused for now
+    projection = new Projection(model);
+
     addParameter(hueScale);
-    
+
     spheres = new Sphere[2];
     centerX = (model.xMax + model.xMin) / 2;
     centerY = (model.yMax + model.yMin) / 2;
     centerZ = (model.zMax + model.zMin) / 2;
+    modelHeight = model.yMax - model.yMin;
+    modelWidth = model.xMax - model.xMin;
+    modelDepth = model.zMax - model.zMin;
 
-    
     spheres[0] = new Sphere();
-    spheres[0].x = model.xMin + 50;
-    spheres[0].y = centerY;
+    spheres[0].x = 3*modelWidth/8;
+    spheres[0].y = centerY + 10;
     spheres[0].z = centerZ;
-    spheres[0].radius = 25;
-    
+
     spheres[1] = new Sphere();
-    spheres[1].x = model.xMax - 50;
-    spheres[1].y = centerY;
+    spheres[1].x = 7*modelWidth/8;
+    spheres[1].y = centerY - 20;
     spheres[1].z = centerZ;
-    spheres[1].radius = 25;
 
-  }
 
+    addModulator(sphere1Z).trigger();
+    addModulator(sphere2Z).trigger();
+
+    addModulator(heightMod).trigger();
+  }
 
   int beat = 0;
   float prevRamp = 0;
@@ -123,36 +137,48 @@ class Breathe extends SCPattern {
       beat = (beat + 1) % 4;
     }
     prevRamp = ramp;
-    float phase = (beat+ramp) / 2.0 * 2 * PI;
+    float phase = (beat+ramp) * PI % (2 * PI);
 
-    float model_height =  model.yMax - model.yMin;
-    float model_width =  model.xMax - model.xMin;
-    for (Point p : model.points) {
-      float x_percentage = (p.x - model.xMin)/model_width;
+    projection.reset(model)
+      .rotate(rotation.getValuef(), 0, 1, 0);
 
-      // Multiply by 1.4 to shrink the size of the sin wave to be less than the height of the truck.
-      float y_in_range = 1.4 * (2*p.y - model.yMax - model.yMin) / model_height;
-      // xcxc add back phase
-      float sin_x =  sin(phase + 2 * PI * x_percentage);       
+    for (Coord p : projection) {
+      float x_percentage = (p.x - model.xMin)/modelWidth;
+
+      float y_in_range = heightMod.getValuef() * (2*p.y - model.yMax - model.yMin) / modelHeight;
+      float sin_x =  sin(PI / 2 + phase + 2 * PI * x_percentage);       
 
       // Color fade near the top of the sin wave
       float v1 = sin_x > y_in_range  ? (100 + 100*(y_in_range - sin_x)) : 0;     
 
       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;
-      color c = color(hue_color, 70, v1);
-      
+      color c = color(hue_color, 40, v1);
+
       // Now draw the spheres
       for (Sphere s : spheres) {
-        float phase_x = (s.x - phase * model_width / ( 2 * PI)) % model_width;
-        float d = sqrt(pow(p.x - phase_x, 2) + pow(p.y - s.y, 2) + pow(p.z - s.z, 2));
-        float r = (s.radius);
-        float value = max(0, 1 - max(0, d - r) / 10);
-     
-        c = blendColor(c, color(hue_color + 180 % 360, 70, min(1, value) * 100), ADD);
+        float phase_x = (s.x - phase * modelWidth / ( 2 * PI)) % modelWidth;        
+        float x_dist = LXUtils.wrapdistf(p.x, phase_x, modelWidth);
+
+        float sphere_z = (s == spheres[0]) ? (s.z + sphere1Z.getValuef()) : (s.z - sphere2Z.getValuef()); 
+
+        float d = sqrt(pow(x_dist, 2) + pow(p.y - s.y, 2) + pow(p.z - sphere_z, 2));
+        float r = 25;
+
+        float distance_value = max(0, 1 - max(0, d - r) / 10);
+        float beat_value = 1.0;
+        if (s == spheres[0]) {
+          //          beat_value = .2 + ((beat % 4 >= 2) ? ((4 - (ramp + beat)) / 2) *.8 : 0);
+        } 
+        else {
+          //          beat_value = .2 + ((beat % 4 < 2) ? ((2 - (ramp + beat)) / 2) *.8 : 0);
+        } 
+
+        float value = min(beat_value, distance_value);
+
+        c = blendColor(c, color((hue_color + 90) % 360, 100, min(1, value) * 100), ADD);
       }
       colors[p.index] = c;
     }
   }
 }
 
-
diff --git a/SugarCubes.pde b/SugarCubes.pde
index e0e7014..401a2fb 100644
--- a/SugarCubes.pde
+++ b/SugarCubes.pde
@@ -25,7 +25,6 @@
 
 LXPattern[] patterns(GLucose glucose) {
   return new LXPattern[] {
-    new Breathe(glucose),
 
     new ShiftingPlane(glucose),
     new AskewPlanes(glucose),
@@ -47,7 +46,7 @@ LXPattern[] patterns(GLucose glucose) {
 
     // Jack
     new Swim(glucose),
-   
+    new Breathe(glucose),
 
     new TimPlanes(glucose),
     new TimPinwheels(glucose),