Merge branch 'master' of github.com:hackrockcity/domeTransmitter

NightSky.pde

@@ -0,0 +1,60 @@
+class NightSky extends Routine {
+  int NUMBER_OF_STARS = 30;
+  NightStar[] nightStars;
+  PImage grad;
+
+  void setup(PApplet parent) {
+    super.setup(parent);
+
+    color c1 = color(0, 0, 20);
+    color c2 = color(0, 20, 60);
+    grad = generateGradient(c1, c2, WIDTH*ZOOM, HEIGHT*ZOOM);
+
+    nightStars = new NightStar[NUMBER_OF_STARS];
+    for (int i=0; i<NUMBER_OF_STARS; i++) {
+      nightStars[i] = new NightStar(); 
+    }
+  }
+
+  void draw() {
+    background(0);
+    image(grad, 0, 0);
+    noStroke();
+    fill(0, 20, 0);
+    rect(0, HEIGHT*ZOOM * 0.7, WIDTH*ZOOM, HEIGHT*ZOOM * 0.3);
+    for (int i=0; i<NUMBER_OF_STARS; i++) {
+      nightStars[i].draw();
+    }
+
+   if (frameCount - modeFrameStart > FRAMERATE*TYPICAL_MODE_TIME) {
+      newMode();
+    }
+  }
+
+  // Generate a vertical gradient image
+  PImage generateGradient(color top, color bottom, int w, int h) {
+    int tR = (top >> 16) & 0xFF;
+    int tG = (top >> 8) & 0xFF;
+    int tB = top & 0xFF;
+    int bR = (bottom >> 16) & 0xFF;
+    int bG = (bottom >> 8) & 0xFF;
+    int bB = bottom & 0xFF;
+
+    PImage bg = createImage(w,h,RGB);
+    bg.loadPixels();
+    for(int i=0; i < bg.pixels.length; i++) {
+      int y = i/bg.width;
+      float n = y/(float)bg.height;
+      // for a horizontal gradient:
+      // float n = x/(float)bg.width;
+      bg.pixels[i] = color(
+      lerp(tR,bR,n), 
+      lerp(tG,bG,n), 
+      lerp(tB,bB,n), 
+      255); 
+    }
+    bg.updatePixels();
+    return bg;
+  }
+}
+

NightStar.pde

@@ -0,0 +1,33 @@
+class NightStar {
+  float x;
+  float y;
+  int brightness;
+ public NightStar() {
+   this.reset();
+ }
+
+ public void draw() {
+
+   noStroke();
+   this.twinkle();
+   fill(brightness);
+   rect(x, y, 1, 1);
+
+ }
+
+ public void twinkle() {
+   brightness = brightness + round(random(-20, 20));
+   if(brightness > 255){
+     brightness = 255;
+   }
+ }
+
+ public void reset() {
+   x = random(WIDTH*ZOOM);
+   y = random(HEIGHT*ZOOM) * 0.7;
+   println("New star " + x + "/" + y + " "); 
+ }
+
+}
+
+

domeTransmitter.pde

@@ -19,6 +19,7 @@ Routine[] enabledRoutines = new Routine[] {
   new OppositeLines(),
   new Waves(),
   new RadialStars(),
+  new NightSky(),
   new TargetScanner(),
   new Waterfalls(),
   new RGBRoutine(),