Removing some examples

java/examples/Topics/Motion/Bounce/Bounce.pde

@@ -4,7 +4,7 @@
  * When the shape hits the edge of the window, it reverses its direction. 
  */
  
-int size = 60;       // Width of the shape
+int rad = 60;        // Width of the shape
 float xpos, ypos;    // Starting position of shape    
 
 float xspeed = 2.8;  // Speed of the shape
@@ -16,9 +16,10 @@ int ydirection = 1;  // Top to Bottom
 
 void setup() 
 {
-  size(640, 200);
+  size(640, 360);
   noStroke();
   frameRate(30);
+  ellipseMode(RADIUS);
   smooth();
   // Set the starting position of the shape
   xpos = width/2;
@@ -35,13 +36,13 @@ void draw()
   
   // Test to see if the shape exceeds the boundaries of the screen
   // If it does, reverse its direction by multiplying by -1
-  if (xpos > width-size || xpos < 0) {
+  if (xpos > width-rad || xpos < rad) {
     xdirection *= -1;
   }
-  if (ypos > height-size || ypos < 0) {
+  if (ypos > height-rad || ypos < rad) {
     ydirection *= -1;
   }
 
   // Draw the shape
-  ellipse(xpos+size/2, ypos+size/2, size, size);
+  ellipse(xpos, ypos, rad, rad);
 }

java/examples/Topics/Motion/BouncyBubbles/BouncyBubbles.pde

@@ -14,11 +14,11 @@ Ball[] balls = new Ball[numBalls];
 
 void setup() 
 {
-  size(640, 200);
+  size(640, 360);
   noStroke();
   smooth();
   for (int i = 0; i < numBalls; i++) {
-    balls[i] = new Ball(random(width), random(height), random(20, 40), i, balls);
+    balls[i] = new Ball(random(width), random(height), random(30, 70), i, balls);
   }
 }
 

java/examples/Topics/Motion/Collision/Collision.pde

@@ -1,85 +0,0 @@
-/**
- * Collision (Pong). 
- * 
- * Move the mouse up and down to move the paddle.  
- */
-
-// Global variables for the ball
-float ball_x;
-float ball_y;
-float ball_dir = 1;
-float ball_size = 15;  // Radius
-float dy = 0;  // Direction
-
-// Global variables for the paddle
-int paddle_width = 10;
-int paddle_height = 60;
-
-int dist_wall = 15;
-
-void setup()
-{
-  size(640, 360);
-  rectMode(RADIUS);
-  ellipseMode(RADIUS);
-  noStroke();
-  smooth();
-  ball_y = height/2;
-  ball_x = 1;
-}
-
-void draw() 
-{
-  background(51);
-  
-  ball_x += ball_dir * 1.0;
-  ball_y += dy;
-  if(ball_x > width+ball_size) {
-    ball_x = -width/2 - ball_size;
-    ball_y = random(0, height);
-    dy = 0;
-  }
-  
-  // Constrain paddle to screen
-  float paddle_y = constrain(mouseY, paddle_height, height-paddle_height);
-
-  // Test to see if the ball is touching the paddle
-  float py = width-dist_wall-paddle_width-ball_size;
-  if(ball_x == py 
-     && ball_y > paddle_y - paddle_height - ball_size 
-     && ball_y < paddle_y + paddle_height + ball_size) {
-    ball_dir *= -1;
-    if(mouseY != pmouseY) {
-      dy = (mouseY-pmouseY)/2.0;
-      if(dy >  5) { dy =  5; }
-      if(dy < -5) { dy = -5; }
-    }
-  } 
-  
-  // If ball hits paddle or back wall, reverse direction
-  if(ball_x < ball_size && ball_dir == -1) {
-    ball_dir *= -1;
-  }
-  
-  // If the ball is touching top or bottom edge, reverse direction
-  if(ball_y > height-ball_size) {
-    dy = dy * -1;
-  }
-  if(ball_y < ball_size) {
-    dy = dy * -1;
-  }
-
-  // Draw ball
-  fill(255);
-  ellipse(ball_x, ball_y, ball_size, ball_size);
-  
-  // Draw the paddle
-  fill(153);
-  rect(width-dist_wall, paddle_y, paddle_width, paddle_height);  
-}
-
-
-
-
-
-

java/examples/Topics/Motion/Linear/Linear.pde

@@ -7,20 +7,19 @@
  * back at the bottom of the screen. 
  */
  
-float a = 100;
+float a;
 
-void setup() 
-{
-  size(640, 200);
+void setup() {
+  size(640, 360);
   stroke(255);
+  a = height/2;
 }
 
-void draw() 
-{
+void draw() {
   background(51);
+  line(0, a, width, a);  
   a = a - 0.5;
   if (a < 0) { 
     a = height; 
   }
-  line(0, a, width, a);  
 }

java/examples/Topics/Motion/Reflection1/Reflection1.pde

@@ -16,7 +16,7 @@ float ellipseSpeed = 3.5;
 float velocityX, velocityY; 
 
 void setup(){
-  size(640, 240);
+  size(640, 360);
   frameRate(30);
   fill(128);
   smooth();

java/examples/Topics/Motion/Reflection2/Reflection2.pde

@@ -14,7 +14,7 @@ Ground[] ground = new Ground[segments];
 float[] peakHeights = new float[segments+1];
 
 void setup(){
-  size(640, 200);
+  size(640, 360);
   smooth();
   orb = new Orb(50, 50, 3);
   velocity = new PVector(.5, 0);