Added new P3D examples

java/libraries/opengl/examples/Lights/Spot/Spot.pde

@@ -0,0 +1,35 @@
+/**
+ * Spot. 
+ * 
+ * Move the mouse the change the position and concentation
+ * of a blue spot light. 
+ */
+ 
+int concentration = 600; // Try values 1 -> 10000
+
+void setup() 
+{
+  //size(200, 200, P3D);
+  size(640, 360, P3D);
+  noStroke();
+  fill(204);
+  sphereDetail(60);
+}
+
+void draw() 
+{
+  background(0); 
+  
+  // Light the bottom of the sphere
+  directionalLight(51, 102, 126, 0, -1, 0);
+  
+  // Orange light on the upper-right of the sphere
+  spotLight(204, 153, 0, 360, 160, 600, 0, 0, -1, PI/2, 600); 
+  
+  // Moving spotlight that follows the mouse
+  spotLight(102, 153, 204, 360, mouseY, 600, 0, 0, -1, PI/2, 600); 
+  
+  translate(width/2, height/2, 0); 
+  sphere(120); 
+}
+