| Pong is a simple version of the traditional video game. There is only one paddle, and no scoring. | |
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Pong.java
import ucigame.*;
public class Pong extends Ucigame
{
Sprite ball;
Sprite paddle;
public void setup()
{
window.size(250, 250);
window.title("Pong");
framerate(30);
Image bkg = getImage("images/background.png");
canvas.background(bkg);
ball = makeSprite(getImage("images/ball.gif", 255, 255, 255));
paddle = makeSprite(getImage("images/paddle.png"));
ball.position(canvas.width()/2 - ball.width()/2,
canvas.height()/2 - ball.height()/2);
ball.motion(6, 3);
paddle.position(canvas.width() - paddle.width() - 10,
(canvas.height() - paddle.height()) / 2);
}
public void draw()
{
canvas.clear();
ball.move();
ball.bounceIfCollidesWith(paddle);
ball.bounceIfCollidesWith(TOPEDGE, BOTTOMEDGE, LEFTEDGE, RIGHTEDGE);
paddle.stopIfCollidesWith(TOPEDGE, BOTTOMEDGE, LEFTEDGE, RIGHTEDGE);
paddle.draw();
ball.draw();
}
public void onKeyPress()
{
// Arrow keys and WASD keys move the paddle
if (keyboard.isDown(keyboard.UP, keyboard.W))
paddle.nextY(paddle.y() - 2);
if (keyboard.isDown(keyboard.DOWN, keyboard.S))
paddle.nextY(paddle.y() + 2);
if (keyboard.isDown(keyboard.LEFT, keyboard.A))
paddle.nextX(paddle.x() - 2);
if (keyboard.isDown(keyboard.RIGHT, keyboard.D))
paddle.nextX(paddle.x() + 2);
}
}
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