Delete night sky, add color drop.

ColorDrop.pde

@@ -0,0 +1,42 @@
+class ColorDrop extends Routine {
+  void draw() {
+    background(0);
+
+    float frame_mult = 3;  // speed adjustment
+
+    long frame = frameCount - modeFrameStart;
+
+    for(int row = 0; row < height; row++) {
+      float phase = sin((float)((row+frame*frame_mult)%height)/height*3.146);
+
+      float r = 0;
+      float g = 0;
+      float b = 0;
+
+
+      if((row+frame*frame_mult)%(3*height) < height) {
+        r = 255*phase;
+        g = 0;
+        b = 0;
+      }
+      else if((row+frame*frame_mult)%(3*height) < height*2) {
+        r = 0;
+        g = 255*phase;
+        b = 0;
+      }
+      else {
+        r = 0;
+        g = 0;
+        b = 255*phase;
+      }
+
+      stroke(r,g,b);
+      line(0, row, width, row);
+    }
+
+    if (frame > FRAMERATE*TYPICAL_MODE_TIME) {
+      newMode();
+    }
+  }
+
+}