void draw_pong() {
y11 += velocityY1;
y2 += velocityY2;
px += velocityPx;
py += velocityPy;
drawPaddle1(y11);
drawPaddle2(y2);
drawBall();
delay(1);
}
int main(void)
{
//Enable background 2 and set mode to MODE_4
setMode(MODE_4 | OBJ_MAP_1D | BG2_ENABLE);
showGameIntro();
WaitForStart();
EraseScreen();
initGameBasicParameters();
//game loop
while(1)
{
if(score1 != MAX_POINTS_TO_WIN && score2 != MAX_POINTS_TO_WIN){
waitRetrace();
eraseBall();
erasePaddle1();
erasePaddle2();
updatePaddle1();
updatePaddle2();
updateBall();
drawPaddle1();
drawPaddle2();
checkCollisions();
drawBall();
printScores();
}else{
if(score1 == MAX_POINTS_TO_WIN && state == 0){ // PLAYER-CHINA
score1 = 0;
score2 = 0;
//Enable background 2 and set mode to MODE_4
setMode(MODE_4 | OBJ_MAP_1D | BG2_ENABLE);
showChinaEnding();
EraseScreen();
}
if(score1 == MAX_POINTS_TO_WIN && state == 1){ // PLAYER-USA
score1 = 0;
score2 = 0;
//Enable background 2 and set mode to MODE_4
setMode(MODE_4 | OBJ_MAP_1D | BG2_ENABLE);
showUSAEnding();
EraseScreen();
}
if(score2 == MAX_POINTS_TO_WIN && state == 0){ // CPU-CHINA
score2 = 0;
score1 = 0;
//Enable background 2 and set mode to MODE_4
setMode(MODE_4 | OBJ_MAP_1D | BG2_ENABLE);
//showChinaEnding();
showPlayerDefeatedByEEUU();
EraseScreen();
}
if(score2 == MAX_POINTS_TO_WIN && state == 1){ // CPU-USA
score2 = 0;
score1 = 0;
//Enable background 2 and set mode to MODE_4
setMode(MODE_4 | OBJ_MAP_1D | BG2_ENABLE);
//showUSAEnding();
showPlayerDefeatedByChina();
EraseScreen();
}
initGameBasicParameters();
}
}
return 0;
}
/**
* Main function that starts the pong game.
*
* @param None
*
* @return XST_SUCCESS if successful, XST_FAILURE if unsuccessful
*
* @note None
*
******************************************************************************/
int main(void)
{
u32 Data;
Joystick joy1,joy2;
initJoysticks();
initGraphics();
//create a white tile
int i, ii;
for (i = 0; i<8; ++i)
for (ii = 0; ii<8; ++ii)
setPixel(1,i,ii,WHITE);
//start making the ball
for (i = 3; i<5; ++i)
for (ii = 1; ii<7; ++ii)
{
setPixel(2,i,ii,WHITE);
setPixel(2,ii,i,WHITE);
}
setPixel(2,2,2,WHITE);
setPixel(2,2,5,WHITE);
setPixel(2,5,2,WHITE);
setPixel(2,5,5,WHITE);
setMoveableBlock(0, 2);
setMoveableBlockRowTransparency(0, 0, 0xFF);
setMoveableBlockRowTransparency(0, 1, 0xE7);
setMoveableBlockRowTransparency(0, 2, 0xC3);
setMoveableBlockRowTransparency(0, 3, 0x81);
setMoveableBlockRowTransparency(0, 4, 0x81);
setMoveableBlockRowTransparency(0, 5, 0xC3);
setMoveableBlockRowTransparency(0, 6, 0xE7);
setMoveableBlockRowTransparency(0, 7, 0xFF); //finished making the ball
setMoveableBlockPosition(0, ballX, ballY); //draw the ball once
//draw the two paddles
for (i = paddle1Y; i<(paddle1Y+10) && i<80; ++i)
setBackgroundBlock(0,i,1);
for (i = paddle2Y; i<(paddle2Y+10) && i<80; ++i)
setBackgroundBlock(79,i,1);
//start game loop
while (1)
{
++ballMovementCounter;
++paddleMovementCounter;
if(ballMovementCounter > BALL_MOVEMENT_DELAY)
{
ballMovementCounter = 0;
ballX += ballSpdX;
ballY += ballSpdY;
if (ballY == 0 || ballY == 472)
ballSpdY *= -1;
if (ballX == 0) //left side lost 1 point
{
ballX = 628;
ballSpdIncreaseCounter = 0;
BALL_MOVEMENT_DELAY = 10000;
if (paddle1X>0)
{
erasePaddle1();
--paddle1X;
drawPaddle1();
}
else
{
erasePaddle2();
--paddle2X;
if (paddle2X<40)
paddle2X = 40;
drawPaddle2();
}
}
else if (ballX>=(paddle1X*8) && ballX<=(paddle1X*8+8)) //start collision detection with left paddle
{
if ((ballY+4)>(paddle1Y*8) && (ballY+4)<=((paddle1Y+10)*8))
{
ballSpdX = 1;
++ballSpdIncreaseCounter;
}
}
if (ballX == 632) // right side lost 1 point
{
ballX = 4;
ballSpdIncreaseCounter = 0;
BALL_MOVEMENT_DELAY = 10000;
if (paddle2X<79)
{
erasePaddle2();
++paddle2X;
drawPaddle2();
}
else
{
erasePaddle1();
++paddle1X;
if (paddle1X>40)
paddle1X = 40;
drawPaddle1();
}
}
else if ((ballX+8)>=(paddle2X*8) && (ballX+8)<=(paddle2X*8+8)) //start collision detection with right paddle
{
if ((ballY+4)>=(paddle2Y*8) && (ballY+4)<=((paddle2Y+10)*8))
{
ballSpdX = -1;
++ballSpdIncreaseCounter;
}
}
setMoveableBlockPosition(0, ballX, ballY);
}
if (paddleMovementCounter > PADDLE_MOVEMENT_DELAY)
{
paddleMovementCounter = 0;
updateJoystick(&joy1,JOYSTICK_1_CHANNEL);
if (joy1.y > 750)
{
--paddle1Y;
if (paddle1Y<0)
paddle1Y = 0;
}
else if (joy1.y < 250)
{
++paddle1Y;
if (paddle1Y>50)
paddle1Y = 50;
}
if (joy1.y>750 || joy1.y<250)
{
setBackgroundBlock(paddle1X,paddle1Y-1,0);
setBackgroundBlock(paddle1X,paddle1Y+10,0);
drawPaddle1();
}
updateJoystick(&joy2,JOYSTICK_2_CHANNEL);
if (joy2.y > 750)
{
--paddle2Y;
if (paddle2Y<0)
paddle2Y = 0;
}
else if (joy2.y < 250)
{
++paddle2Y;
if (paddle2Y>50)
paddle2Y = 50;
}
if (joy2.y>750 || joy2.y<250)
{
setBackgroundBlock(paddle2X,paddle2Y-1,0);
setBackgroundBlock(paddle2X,paddle2Y+10,0);
drawPaddle2();
}
}
if (ballSpdIncreaseCounter>=BALL_SPEED_INCREASE_DELAY)
{
ballSpdIncreaseCounter = 0;
BALL_MOVEMENT_DELAY -= 500;
if (BALL_MOVEMENT_DELAY < 500)
BALL_MOVEMENT_DELAY = 500;
}
} //end infinite game loop
return XST_SUCCESS;
}
