balls

balls/balls.pde

@@ -0,0 +1,57 @@
+class Ball {
+  PVector position;
+  float heading;
+  boolean odd;
+
+  Ball(float x, float y, float heading, boolean odd) {
+    this.position = new PVector(x, y);
+    this.heading = heading;
+    this.odd = odd;
+  }
+
+  void draw() {
+    this.updatePosition();    
+    pushMatrix();
+    translate(this.position.x, this.position.y, this.position.z);
+    rotate(noise(this.position.x, this.position.y));
+    noStroke();
+    sphere(20);
+    popMatrix();
+  }
+
+  void updatePosition() {
+    PVector velocity = new PVector(1, 0);
+    velocity.rotate(this.heading);
+    this.position.add(velocity);
+    float n = norm(frameCount % 240, 0, 240);
+    if (odd) {
+      this.position.z = 50 * sin(n * TWO_PI);
+    } else {
+      this.position.z = 50 * sin(-n * TWO_PI);
+    }
+  }
+}
+
+ArrayList<Ball> balls;
+
+void setup() {
+  size(1025, 768, P3D);
+  balls = new ArrayList<Ball>();
+  int n = 10;
+  for (int i = 0; i < n; i++) {
+    float y = map(i, 0, n, 0, height);
+    balls.add(new Ball(0, y, 0, i % 2 == 0));
+  }
+//  for (int i = 0; i < n; i++) {
+//    float x = map(i, 0, n, 0, width);
+//    balls.add(new Ball(x, 0, PI * 0.5, i % 2 == 0));
+//  }
+}
+
+void draw() {
+//  background(255);
+  lights();
+  for (Ball ball : balls) {
+    ball.draw();
+  }
+}