java/examples/GettingStartedBook/Chapter09/Ex_09_01/Ex_09_01.pde

@@ -0,0 +1,40 @@
+// Example 09-01 from "Getting Started with Processing" 
+// by Reas & Fry. O'Reilly / Make 2010
+
+JitterBug bug; // Declare object
+
+void setup() {
+  size(480, 120);
+  smooth();
+  // Create object and pass in parameters
+  bug = new JitterBug(width/2, height/2, 20);
+}
+
+void draw() {
+  bug.move();
+  bug.display();
+}
+
+class JitterBug {
+  float x;
+  float y;
+  int diameter;
+  float speed = 2.5;
+  
+  JitterBug(float tempX, float tempY, int tempDiameter) {
+    x = tempX;
+    y = tempY;
+    diameter = tempDiameter;
+  }
+  
+  void move() {
+    x += random(-speed, speed);
+    y += random(-speed, speed);
+  }
+  
+  void display() {
+    ellipse(x, y, diameter, diameter);
+  }
+}
+
+

java/examples/GettingStartedBook/Chapter09/Ex_09_02/Ex_09_02.pde

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+// Example 09-02 from "Getting Started with Processing" 
+// by Reas & Fry. O'Reilly / Make 2010
+
+JitterBug jit;
+JitterBug bug;
+
+void setup() {
+  size(480, 120);
+  smooth();
+  jit = new JitterBug(width * 0.33, height/2, 50);
+  bug = new JitterBug(width * 0.66, height/2, 10);
+}
+
+void draw() {
+  jit.move();
+  jit.display();
+  bug.move();
+  bug.display();
+} 
+
+class JitterBug {
+
+  float x;
+  float y;
+  int diameter;
+  float speed = 2.5;
+
+  JitterBug(float tempX, float tempY, int tempDiameter) {
+    x = tempX;
+    y = tempY;
+    diameter = tempDiameter;
+  }
+
+  void move() {
+    x += random(-speed, speed);
+    y += random(-speed, speed);
+  }
+
+  void display() {
+    ellipse(x, y, diameter, diameter);
+  } 
+}
+
+
+