java/examples/3D/Transform/Rotate1/Rotate1.pde

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+/**
+ * Rotate 1. 
+ * 
+ * Rotating simultaneously in the X and Y axis. 
+ * Transformation functions such as rotate() are additive.
+ * Successively calling rotate(1.0) and rotate(2.0)
+ * is equivalent to calling rotate(3.0). 
+ */
+ 
+float a = 0.0;
+float rSize;  // rectangle size
+
+void setup() {
+  size(640, 360, P3D);
+  rSize = width / 6;  
+  noStroke();
+  fill(204, 204);
+}
+
+void draw() {
+  background(0);
+  
+  a += 0.005;
+  if(a > TWO_PI) { 
+    a = 0.0; 
+  }
+  
+  translate(width/2, height/2);
+  
+  rotateX(a);
+  rotateY(a * 2.0);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+  
+  rotateX(a * 1.001);
+  rotateY(a * 2.002);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+
+}

java/examples/3D/Transform/Rotate1/applet/Rotate1.java

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+import processing.core.*; 
+
+import java.applet.*; 
+import java.awt.*; 
+import java.awt.image.*; 
+import java.awt.event.*; 
+import java.io.*; 
+import java.net.*; 
+import java.text.*; 
+import java.util.*; 
+import java.util.zip.*; 
+import java.util.regex.*; 
+
+public class Rotate1 extends PApplet {
+
+/**
+ * Rotate 1. 
+ * 
+ * Rotating simultaneously in the X and Y axis. 
+ * Transformation functions such as rotate() are additive.
+ * Successively calling rotate(1.0) and rotate(2.0)
+ * is equivalent to calling rotate(3.0). 
+ */
+ 
+float a = 0.0f;
+float rSize;  // rectangle size
+
+public void setup() {
+  size(640, 360, P3D);
+  rSize = width / 6;  
+  noStroke();
+  fill(204, 204);
+}
+
+public void draw() {
+  background(0);
+  
+  a += 0.005f;
+  if(a > TWO_PI) { 
+    a = 0.0f; 
+  }
+  
+  translate(width/2, height/2);
+  
+  rotateX(a);
+  rotateY(a * 2.0f);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+  
+  rotateX(a * 1.001f);
+  rotateY(a * 2.002f);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+
+}
+
+  static public void main(String args[]) {
+    PApplet.main(new String[] { "Rotate1" });
+  }
+}

java/examples/3D/Transform/Rotate1/applet/Rotate1.pde

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+/**
+ * Rotate 1. 
+ * 
+ * Rotating simultaneously in the X and Y axis. 
+ * Transformation functions such as rotate() are additive.
+ * Successively calling rotate(1.0) and rotate(2.0)
+ * is equivalent to calling rotate(3.0). 
+ */
+ 
+float a = 0.0;
+float rSize;  // rectangle size
+
+void setup() {
+  size(640, 360, P3D);
+  rSize = width / 6;  
+  noStroke();
+  fill(204, 204);
+}
+
+void draw() {
+  background(0);
+  
+  a += 0.005;
+  if(a > TWO_PI) { 
+    a = 0.0; 
+  }
+  
+  translate(width/2, height/2);
+  
+  rotateX(a);
+  rotateY(a * 2.0);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+  
+  rotateX(a * 1.001);
+  rotateY(a * 2.002);
+  rect(-rSize, -rSize, rSize*2, rSize*2);
+
+}