Added two more examples: SmoothChange and Primitive

java/libraries/opengl/examples/Image/SmoothChange/SmoothChange.pde

@@ -0,0 +1,26 @@
+PImage img;
+int level = 2;  
+  
+public void setup() {
+  size(200, 200, P3D);
+  frameRate(90);
+  smooth(level);
+  
+  img = loadImage("milan_rubbish.jpg");
+} 
+
+public void draw () {	  
+  background(0);
+    
+  tint(255, 150);
+  image(img, 0, 0, width, height);
+    
+  fill(255);
+  text("current smooth: " + level, mouseX, mouseY);
+}
+  
+void keyPressed() {
+ level = 4; 
+  smooth(level);	  
+}
+

java/libraries/opengl/examples/Retained/Primitive/Primitive.pde

@@ -0,0 +1,24 @@
+PShape3D circle;
+  
+public void setup() {
+  size(400, 400, P3D);
+  frameRate(90);
+ 
+  fill(255, 0, 0);
+  stroke(0, 0, 255);  
+  strokeWeight(3);
+  circle = (PShape3D) createShape(ELLIPSE, 0, 0, 100, 100);  
+} 
+
+public void draw () {	  
+  background(0);
+    
+  if (5000 < millis()) {
+    circle.fill(map(mouseX, 0, width, 255, 0), 0, 0);
+    circle.stroke(0, 0, map(mouseY, 0, height, 255, 0));
+  }
+  
+  
+  translate(mouseX, mouseY);
+  shape(circle);  
+}