Adding four elusive examples for 2.0

java/examples/Basics/Lights/OnOff/OnOff.pde

@@ -0,0 +1,31 @@
+/**
+ * On/Off.  
+ * 
+ * Uses the default lights to show a simple box. The lights() function
+ * is used to turn on the default lighting. Click the mouse to turn the
+ * lights off.
+ */
+ 
+float spin = 0.0;
+
+void setup() {
+  size(640, 360, P3D);
+  noStroke();
+}
+
+void draw() {
+  background(51);
+  
+  if (!mousePressed) {
+    lights();
+  }
+  
+  spin += 0.01;
+  
+  pushMatrix();
+  translate(width/2, height/2, 0);
+  rotateX(PI/9);
+  rotateY(PI/5 + spin);
+  box(150);
+  popMatrix();
+}