From 677f5e155dccb7690d2f14ee87f86add9070732b Mon Sep 17 00:00:00 2001
From: Jack Stahl <jack@asana.com>
Date: Tue, 20 Aug 2013 01:07:58 -0700
Subject: [PATCH] Working version of Swim, and the starter code for Breathe

---
 JackStahl.pde  | 119 +++++++++++++++++++++++++++++++++++++++++++++++++
 SugarCubes.pde |   4 ++
 2 files changed, 123 insertions(+)
 create mode 100644 JackStahl.pde

diff --git a/JackStahl.pde b/JackStahl.pde
new file mode 100644
index 0000000..05fbe3d
--- /dev/null
+++ b/JackStahl.pde
@@ -0,0 +1,119 @@
+/**
+ * A Projection of sin wave in 3d space. 
+ * It sort of looks like an animal swiming around in water.
+ * Angle sliders are sort of a work in progress that allow yo to change the crazy ways it moves around.
+ * Hue slider allows you to control how different the colors are along the wave. 
+ *
+ * This code copied heavily from Tim and Slee.
+ */
+class Swim extends SCPattern {
+
+  // Projection stuff
+  private final Projection projection;
+  SawLFO rotation = new SawLFO(0, TWO_PI, 19000);
+  SinLFO yPos = new SinLFO(-25, 25, 12323);
+  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) {
+    super(glucose);
+    projection = new Projection(model);
+
+    addParameter(xAngle);
+    addParameter(yAngle);
+    addParameter(zAngle);
+    addParameter(hueScale);
+
+    addModulator(rotation).trigger();
+    addModulator(yPos).trigger();
+
+  }
+
+
+  int beat = 0;
+  float prevRamp = 0;
+  void run(int deltaMs) {
+
+    // Sync to the beat
+    float ramp = (float)lx.tempo.ramp();
+    if (ramp < prevRamp) {
+      beat = (beat + 1) % 4;
+    }
+    prevRamp = ramp;
+    float phase = (beat+ramp) / 2.0 * 4 * PI;
+
+    float denominator = max(xAngle.getValuef() + yAngle.getValuef() + zAngle.getValuef(), 1);
+
+    projection.reset(model)
+      // Swim around the world
+      .rotate(rotation.getValuef(), xAngle.getValuef() / denominator, yAngle.getValuef() / denominator, zAngle.getValuef() / denominator)
+        .translateCenter(model, 0, 50 + yPos.getValuef(), 0);
+
+    float model_height =  model.yMax - model.yMin;
+    float model_width =  model.xMax - model.xMin;
+    for (Coord p : projection) {
+      float x_percentage = (p.x - model.xMin)/model_width;
+
+      // Multiply by 1.4 to shrink the size of the sin wave to be less than the height of the cubes.
+      float y_in_range = 1.4 * (2*p.y - model.yMax - model.yMin) / model_height;
+      float sin_x =  sin(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.)*.3 + abs(p.y-model.yMax/2)*.9 + abs(p.z - model.zMax/2.))) % 360;
+      colors[p.index] = color(hue_color, 70, v1);
+    }
+  }
+}
+
+/** 
+ * 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
+ */ 
+class Breathe extends SCPattern {
+
+  final BasicParameter hueScale = new BasicParameter("HUE", 0.3);
+
+  public Breathe(GLucose glucose) {
+    super(glucose);
+
+    addParameter(hueScale);
+  }
+
+
+  int beat = 0;
+  float prevRamp = 0;
+  void run(int deltaMs) {
+
+    // Sync to the beat
+    float ramp = (float)lx.tempo.ramp();
+    if (ramp < prevRamp) {
+      beat = (beat + 1) % 4;
+    }
+    prevRamp = ramp;
+    float phase = (beat+ramp) / 2.0 * 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;
+
+      // 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);       
+
+      // 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;
+      colors[p.index] = color(hue_color, 70, v1);
+    }
+  }
+}
+
+
diff --git a/SugarCubes.pde b/SugarCubes.pde
index 5d257ca..3b8253d 100644
--- a/SugarCubes.pde
+++ b/SugarCubes.pde
@@ -43,6 +43,10 @@ LXPattern[] patterns(GLucose glucose) {
     new SoundSpikes(glucose),
     new FaceSync(glucose),
 
+    // Jack
+    new Swim(glucose),
+    // new Breathe(glucose),
+
 
     new TimPlanes(glucose),
     new TimPinwheels(glucose),
-- 
2.34.1