Making Things Talk

392 MAKING THINGS TALK

// check to see if the ball is in the

// horizontal range of the paddle:

if ((ballPosV >= paddleTop) && (ballPosV <= paddleBottom)) {

// reverse the ball vertical direction:

ballDirectionV = -ballDirectionV;

}

}

}

// if the ball goes off the screen top:

if (ballPosV < 0) {

bottomScore++;

ballDirectionV = int(random(2) + 1) * -1;

resetBall();

}

// if the ball goes off the screen bottom:

if (ballPosV > height) {

topScore++;

ballDirectionV = int(random(2) + 1);

resetBall();

}

// if any team goes over 5 points, the other team loses:

if ((topScore > 5) || (bottomScore > 5)) {

delayCounter = millis();

gameOver = true;

}

// stop the ball going off the left or right of the screen:

if ((ballPosH - ballSize/2 <= 0) || (ballPosH +ballSize/2 >=width)) {

// reverse the y direction of the ball:

ballDirectionH = -ballDirectionH;

}

// update the ball position:

ballPosV = ballPosV + ballDirectionV;

ballPosH = ballPosH + ballDirectionH;

}

void newGame() {

gameOver = false;

topScore = 0;

bottomScore = 0;

}

public void showScore() {

textSize(24);

text(topScore, 20, 40);

text(bottomScore, 20, height - 20);

}

void resetBall() {

// put the ball back in the center

ballPosV = height/2;

ballPosH = width/2;

ballInMotion = false;

delayCounter = millis();

}

public class Player {

// declar