void updateBulletPool(BulletPool *bp){
int i;
for (i = 0; i < 5; i++) {
if (bp->particles_[i]->inUse == 1 && bp->particles_[i]->explosion_counter == 0){
moveBullet(bp->particles_[i]);
if(checkScreenCollision(bp->particles_[i])){
bp->particles_[i]->inUse = 0;
bp->particles_[i]->explosion_counter = 1;
bp->particles_[i]->bullet_exp = loadBitmap("/home/lcom/Tanks/res/Spark1.bmp");
}
}
else if(bp->particles_[i]->inUse == 0 && bp->particles_[i]->explosion_counter == 5)
bp->particles_[i] = CreateBullet(0);
}
}
void Paddle::checkAI(int yres, Ball &ball)
{
//If paddle is CPU
int center = yPos + (height / 2);
float absoluteBallYVel = abs(ball.getYVel());
if(isCpu){
if(ball.getYPos() == center){
this->setYVel(0.0f);
}
else{
if(ball.getYPos() > center){
this->setYVel(absoluteBallYVel - 0.5f);
}
else if(ball.getYPos() < center){
this->setYVel(-absoluteBallYVel + 0.5f);
}
}
checkScreenCollision(yres);
}
}
bool Paddle::checkCollision(int yres, Ball &ball)
{
float ballspeed = 15.0f;
float ballXVel = ballspeed * cos(0)+10;
float ballYVel = ballspeed * -sin(35);
//ball collision with paddles
bool onLeftSide = ball.getXPos() < 150 && xPos < 150;
bool onRightSide = ball.getXPos() > 150 && xPos > 150;
bool hitLeftPaddle = (ball.getXPos()-ball.getRadius() <= xPos) &&
ball.getYPos() >= yPos && ball.getYPos() <= yPos + height;
bool hitRightPaddle = (ball.getXPos() >= xPos) &&
ball.getYPos() >= yPos && ball.getYPos() <= yPos + height;
//check if paddle is moving up or down
bool paddleMovingUp = yVel > 0;
bool paddleMovingDown = yVel < 0;
checkAI(yres, ball);
checkScreenCollision(yres);
float angle = PI/2;
//collision with ball
//left paddle
if(onLeftSide && hitLeftPaddle){
ball.setXVel(ballXVel);
createSound(1);
if(paddleMovingUp){
ballYVel = ballspeed * -sin(-angle);
ball.setYVel(ballYVel);
ball.setXVel(ballXVel);
}
else if(paddleMovingDown){
ballYVel = ballspeed * -sin(-angle);
ball.setYVel(-ballYVel);
ball.setXVel(ballXVel);
}
return true;
}
//right paddle
else if(onRightSide && hitRightPaddle){
ball.setXVel(-ballXVel);
createSound(1);
if(paddleMovingUp){
ballYVel = ballspeed * -sin(angle);
ball.setYVel(ballYVel);
ball.setXVel(-ballXVel);
}
else if(paddleMovingDown){
ballYVel = ballspeed * -sin(-angle);
ball.setYVel(-ballYVel);
ball.setXVel(-ballXVel);
}
return true;
}
return false;
}
