Added CameraLight example

java/libraries/opengl2/examples/CameraLight/CameraLight.pde

@@ -0,0 +1,44 @@
+// CameraLight, by Andres Colubri
+// Simple example showing a lit rotating cube. The projection
+// is set to orthographic if the mouse is pressed.
+
+import processing.opengl2.*;
+
+float spin = 0.0;
+
+void setup() {
+  size(400, 400, OPENGL2);
+  
+  noStroke();
+}
+
+void draw() {
+  background(51);
+
+  lights();
+  
+  if (mousePressed) {
+    // The arguments of ortho are specified in screen coordinates, where (0,0)
+    // is the upper left corner of the screen
+    ortho(0, width, 0, height);     
+  } else {
+
+    float fov = PI/3.0; 
+    float cameraZ = (height/2.0) / tan(fov/2.0); 
+    perspective(fov, float(width)/float(height), 
+                cameraZ/2.0, cameraZ*2.0); 
+  }  
+  
+  spin += 0.01;
+  
+  pushMatrix();
+  translate(width/2, height/2, 0);
+  rotateX(PI/9);
+  rotateY(PI/5 + spin);
+  box(100);
+  popMatrix();
+}
+
+
+
+