Engineering Projects/Poppit/Howard Community College/Fall2011/550 prgm/sourcePong.txt

// Pong Game for the language 'Processing' //

int size = 10; float xpos, ypos, x, y;

float xspeed = 8; float yspeed = 5.2;

int xdirection = 1; // Left or Right int ydirection = 1; // Top to Bottom

void setup() {

 size(600, 250);
 noStroke();
 frameRate(30);
 smooth();
 newStart();
 // Set the starting position of the shape

}

void newStart() {

 size = 10;
 
 xspeed = 8;
 yspeed = 5.2;

 xdirection = 1;  // Left or Right
 ydirection = 1;  // Top to Bottom
 
 xpos = width/2;
 ypos = height/2;
 x = 5;
 y = height/2;

}

void draw() {

 background(100);
 
 // Update the position of the shape
 xpos = xpos + ( xspeed * xdirection );
 ypos = ypos + ( yspeed * ydirection );
 
 //Update paddle position
 if(keyPressed) 
 {
   if (keyCode == UP) 
   {y -= 10;}
   else if (keyCode == DOWN)
   {y += 10;}
 }    
 if(keyPressed && keyCode == RIGHT)
   {x = 10;}
 else
   {x = 5;}
 
 //Test to see if paddle reaches end
 if (y > height-size-30) {
   y = height-size-30;
 }
 else if(y < 0)  {
   y = 0;
 }  
 
 // 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) {
   xdirection *= -1;
 }
 if (ypos > height-size || ypos < 0) {
   ydirection *= -1;
 }
 if(xpos < x+5){ 
   if(ypos < y+42 & ypos > y-2){
   xdirection *=-1;}
   else{
     newStart();}  
 }

 // Draw the shape
 ellipse(xpos+size/2, ypos+size/2, size, size);
 
 //Draw the paddle
 rect(x, y, 5, 40);
 

}