/**
* Detects whether ball has collided with some object in window
* by checking the four corners of its bounding box (which are
* outside the ball's GOval, and so the ball can't collide with
* itself). Returns object if so, else NULL.
*/
GObject detectCollision(GWindow window, GOval ball)
{
// ball's location
double x = getX(ball);
double y = getY(ball);
// for checking for collisions
GObject object;
// check for collision at ball's top-left corner
object = getGObjectAt(window, x, y);
if (object != NULL)
{
//printf("check for collision at ball's top-left corner \n");
return object;
}
// check for collision at ball's top-right corner
object = getGObjectAt(window, x + 2 * RADIUS, y);
if (object != NULL)
{
//printf("check for collision at ball's top-right corner\n");
return object;
}
// check for collision at ball's bottom-left corner
object = getGObjectAt(window, x, y + 2 * RADIUS);
if (object != NULL)
{
//printf("check for collision at ball's bottom-left corner\n");
return object;
}
// check for collision at ball's bottom-right corner
object = getGObjectAt(window, x + 2 * RADIUS, y + 2 * RADIUS);
if (object != NULL)
{
//printf("check for collision at ball's bottom-right corner\n");
return object;
}
// no collision
return NULL;
}
/**
* Detects whether laser has collided with some object in window
* by checking the four corners of its bounding box (which are
* outside the laser's GRect, and so the laser can't collide with
* itself). Returns object if so, else NULL.
*/
GObject detectCollision2(GWindow window, GRect laser)
{
// ball's location
double x = getX(laser);
double y = getY(laser);
// for checking for collisions
GObject object2;
// check for collision at ball's top-left corner
object2 = getGObjectAt(window, x - 0.1, y - 0.1);
if (object2 != NULL)
{
return object2;
}
// check for collision at ball's top-right corner
object2 = getGObjectAt(window, x + LASERHEIGHT + 0.1, y - 0.1);
if (object2 != NULL)
{
return object2;
}
// check for collision at ball's bottom-left corner
object2 = getGObjectAt(window, x - 0.1, y + LASERWIDTH + 0.1);
if (object2 != NULL)
{
return object2;
}
// check for collision at ball's bottom-right corner
object2 = getGObjectAt(window, x + LASERHEIGHT + 0.1, y + LASERWIDTH + 0.1);
if (object2 != NULL)
{
return object2;
}
// no collision
return NULL;
}
int main() {
GWindow gw = newGWindow(600, 400);
GRect rect = NULL;
bool dragging = false;
double startX = 0.0;
double startY = 0.0;
while (true) {
GEvent e = waitForEvent(MOUSE_EVENT | KEY_EVENT);
if (getEventType(e) == MOUSE_PRESSED) {
startX = getX(e);
startY = getY(e);
rect = getGObjectAt(gw, startX, startY);
dragging = (rect != NULL);
if (!dragging) {
rect = newGRect(startX, startY, 0, 0);
setFilled(rect, true);
add(gw, rect);
}
} else if (getEventType(e) == MOUSE_DRAGGED) {
double x = getX(e);
double y = getY(e);
if (dragging) {
move(rect, x - startX, y - startY);
startX = x;
startY = y;
} else {
double width = fabs(x - startX);
double height = fabs(y - startY);
x = fmin(x, startX);
y = fmin(y, startY);
setBounds(rect, x, y, width, height);
}
} else if (getEventType(e) == MOUSE_CLICKED) {
if (rect != NULL) sendToFront(rect);
} else if (getEventType(e) == KEY_TYPED) {
if (rect != NULL) {
string color = "BLACK";
switch (getKeyChar(e)) {
case 'b': color = "BLUE"; break;
case 'c': color = "CYAN"; break;
case 'g': color = "GREEN"; break;
case 'm': color = "MAGENTA"; break;
case 'o': color = "ORANGE"; break;
case 'r': color = "RED"; break;
case 'w': color = "WHITE"; break;
case 'y': color = "YELLOW"; break;
}
setColor(rect, color);
}
}
}
}
int selectMode(GWindow window)
{
int mode = 0;
//button for 1 player mode
GImage single = newGImage("single.png");
add(window, single);
setLocation(single, WIDTH/2 - getWidth(single)/2, HEIGHT/2 - 45);
//button for 2 player mode
GImage two = newGImage("two.png");
add(window, two);
setLocation(two, WIDTH/2 - getWidth(two)/2, HEIGHT/2 + 45);
while (true)
{
// check for mouse event
GEvent event = getNextEvent(MOUSE_EVENT);
// if we heard one
if (event != NULL)
{
// if the event was movement
if (getEventType(event) == MOUSE_CLICKED)
{
// print click's coordinates
//printf("%.0f,%.0f\n", getX(event), getY(event));
GObject object = getGObjectAt(window, getX(event), getY(event));
if(object != NULL && object == single )
{
mode = 1;
break;
}
if(object != NULL && object == two )
{
mode = 2;
break;
}
}
}
}
// remove the buttons
removeGWindow(window, single);
removeGWindow(window, two);
return mode;
}
int main(int argc, char* argv[])
{
// seed pseudorandom number generator
srand48(time(NULL));
// instantiate window
GWindow window = newGWindow(WIDTH, HEIGHT);
// instantiate bricks
initBricks(window);
// instantiate ball, centered in middle of window
GOval ball = initBall(window);
// add ball to window
add(window, ball);
// instantiate paddle, centered at bottom of window
GRect paddle = initPaddle(window);
// add paddle to window
add(window, paddle);
// instantiate scoreboard, centered in middle of window, just above ball
GLabel label = initScoreboard(window);
// add label to window
add(window, label);
// declare laser
GRect laser = NULL;
// number of bricks initially
int bricks = COLS * ROWS;
// number of lives initially
int lives = LIVES;
// number of points initially
int points = 0;
// ball velocity
double velocity_x = drand48() * 2 + 3;
double velocity_y = drand48() * 2 + 3;
bool ballMove = false;
// GOD mode on
bool God = false;
if (argc == 2)
{
if (strcmp(argv[1], "GOD") == 0)
{
God = true;
}
}
// keep playing until game over
while (lives > 0 && bricks > 0)
{
// check for mouse event
GEvent event = getNextEvent(MOUSE_EVENT);
// when clicked, ball starts to move
if (event != NULL)
{
// if the event was moved
if (getEventType(event) == MOUSE_CLICKED)
{
ballMove = true;
}
}
// ball movement
if (ballMove == true)
{
move(ball, velocity_x, velocity_y);
// when ball hits the left edge
if (getX(ball) <= 0)
{
velocity_x *= -1;
}
// when ball hits the right edge
else if (getX(ball) + getWidth(ball) >= getWidth(window))
{
velocity_x *= -1;
}
// when ball hits the top edge
else if (getY(ball) <= 0)
{
velocity_y *= -1;
}
// when ball hit the bottom edge
else if (getY(ball) >= getHeight(window))
{
lives -= 1;
ballMove = false;
setLocation(ball, WIDTH / 2, HEIGHT / 2);
}
pause(10);
}
// if God mode is on, paddle x-position follows ball
if (God == true)
{
double y = getY(paddle);
setLocation(paddle, getX(ball) + RADIUS - PADDLEWIDTH / 2.0, y);
}
// else if God mode is off, paddle follow mouse movement
else
{
// if we heard one
if (event != NULL)
{
// if the event was moved
if (getEventType(event) == MOUSE_MOVED && ballMove == true)
{
double x = getX(event) - PADDLEWIDTH / 2;
double y = getY(paddle);
// ensure paddle doesn't go out of window
if (getX(event) <= 0 + PADDLEWIDTH / 2)
{
setLocation(paddle, 0, y);
}
else if (getX(event)>= getWidth(window) - PADDLEWIDTH / 2)
{
setLocation(paddle, getWidth(window) - PADDLEWIDTH, y);
}
else
{
setLocation(paddle, x, y);
}
}
}
}
// during gameplay, when mouse is clicked, shoot laser
if (event != NULL)
{
if (ballMove == true && getEventType(event) == MOUSE_CLICKED && laser == NULL)
{
// instantiate laser
laser = newGRect(getX(paddle) + PADDLEWIDTH / 2 - LASERWIDTH / 2, getY(paddle) - LASERHEIGHT, LASERWIDTH, LASERHEIGHT);
setColor(laser, "RED");
setFilled(laser, true);
add(window, laser);
}
}
// if laser exists
if (laser != NULL)
{
// detect collision of laser with object
GObject object2 = detectCollision2(window, laser);
if (object2 != NULL)
{
// if laser hits brick
if (strcmp(getType(object2), "GRect") == 0 && object2 != paddle)
{
// remove laser and brick hit
GObject laserObj = getGObjectAt(window, getX(laser), getY(laser));
removeGWindow(window, laserObj);
laser = NULL;
removeGWindow(window, object2);
// bricks higher in the game’s grid are worth more points than are bricks lower in the game’s grid
int brickheight = (100 - GAP * (ROWS + 1)) / ROWS;
for (int k = 0; k < ROWS; k++)
{
if (getY(object2) == 50 + (GAP * (k + 1)) + (brickheight * k))
{
points += ROWS - k;
break;
}
}
updateScoreboard(window, label, points);
// decrease paddle width
bricks -= 1;
setSize(paddle, PADDLEWIDTH - PADDLEWIDTH * 2 / 4.0 * (((ROWS * COLS) - bricks) / (float)(ROWS * COLS)), PADDLEHEIGHT);
// increase velocity of ball
velocity_x += 0.1;
velocity_y += 0.1;
}
// else if laser hits ball
else if (object2 == ball)
{
GObject laserObj = getGObjectAt(window, getX(laser), getY(laser));
removeGWindow(window, laserObj);
laser = NULL;
break;
}
// else if laser over top edge
else if (getY(laser) + LASERHEIGHT >= 0)
{
GObject laserObj = getGObjectAt(window, getX(laser), getY(laser));
removeGWindow(window, laserObj);
laser = NULL;
}
}
else
{
move(laser, 0, -velocity_laser);
}
}
// detect collision of ball with object
GObject object = detectCollision(window, ball);
if (object != NULL)
{
// if ball collide with paddle
if (object == paddle)
{
velocity_y *= -1;
}
// if ball collide with GRect object other than paddle (i.e. bricks)
else if (strcmp(getType(object), "GRect") == 0)
{
velocity_y *= -1;
removeGWindow(window, object);
// bricks higher in the game’s grid are worth more points than are bricks lower in the game’s grid
int brickheight = (100 - GAP * (ROWS + 1)) / ROWS;
for (int k = 0; k < ROWS; k++)
{
if (getY(object) == 50 + (GAP * (k + 1)) + (brickheight * k))
{
points += ROWS - k;
break;
}
}
updateScoreboard(window, label, points);
// paddle width decrease
bricks -= 1;
setSize(paddle, PADDLEWIDTH - PADDLEWIDTH * 2 / 4.0 * (((ROWS * COLS) - bricks) / (float)(ROWS * COLS)), PADDLEHEIGHT);
// velocity of ball increases
velocity_x += 0.1;
velocity_y += 0.1;
}
}
// when no more live or all bricks are broken
if (lives == 0 || bricks == 0)
{
break;
}
}
// wait for click before exiting
waitForClick();
// game over
closeGWindow(window);
return 0;
}
void play(int mode, GWindow window)
{
/* Initialize the Game */
//create the game-board
G3DRect board = newG3DRect(BOARD_X, BOARD_Y, 3*BOX, 3*BOX, true);
setColor(board, "LIGHT_GRAY");
setFilled(board, true);
add(window, board);
//creates the array of small rects
GRect rect[9];
int k = 0;
for(int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
rect[k] = newGRect(BOX*j + BOARD_X, BOX*i + BOARD_Y, BOX, BOX);
setColor(rect[k], "#0000FF");
add(window, rect[k]);
k++;
}
}
GLabel status = newGLabel("Player 1");
setFont(status, "SansSerif-26");
setLabel(status, "Player 1");
add(window, status);
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
A[0][0] = -1; A[0][0] = -1; A[0][0] = -1;
A[0][0] = -1; A[0][0] = -1; A[0][0] = -1;
A[0][0] = -1; A[0][0] = -1; A[0][0] = -1;
int i = 0, player = 0, flag = -1;
// if 2 player is seleceted
if (mode == 2)
{
while( i <= 8)
{
player = i%2;
if (player == 0)
{
setLabel(status, "Player 1");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else
{
setLabel(status, "Player 2");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
printf("Player %d move....\n", player + 1);
// wait for click
while (true)
{
GEvent event = getNextEvent(MOUSE_EVENT); // check for mouse event
if (event != NULL) // if we heard one
{
if (getEventType(event) == MOUSE_CLICKED) // if the event was movement
{
GObject object = getGObjectAt(window, getX(event), getY(event));
if(object != NULL)
{
int j;
int rightClick = 0;
for(j = 0; j < 9; j++)
{
if (object == rect[j])
{
//remove the rect and add appropriate image
int x = getX(object);
int y = getY(object);
printf("Rect[%d] clicked by player %d\n", j, player);
removeGWindow(window, object);
updateArray(player, j);
if(player == 0)
{
GImage cross = newGImage("cross.png");
addAt(window, cross, x, y);
}
else
{
GImage circle = newGImage("circle.png");
addAt(window, circle, x, y);
}
rightClick = 1;
}
}
if(rightClick == 1)
break;
}
}
}
}// end of a click operation
// check Status
if (checkStatus())
{
printf("Player %d won\n", player);
flag = player;
break;
}
i++;
}// end of i = 0 to 8 loop
}// if mode == 2
else // if mode == 1
{
while( i <= 8)
{
player = i%2;
if (player == 0)
{
setLabel(status, "Player 1");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else
{
setLabel(status, "Player 2");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
printf("Player %d move....\n", player + 1);
//showPlayer(player, mode);
if (player == 0) // aka human being
{
// wait for click
while (true)
{
GEvent event = getNextEvent(MOUSE_EVENT); // check for mouse event
if (event != NULL) // if we heard one
{
if (getEventType(event) == MOUSE_CLICKED) // if the event was movement
{
GObject object = getGObjectAt(window, getX(event), getY(event));
if(object != NULL)
{
int j;
int rightClick = 0;
for(j = 0; j < 9; j++)
{
if (object == rect[j])
{
//remove the rect and add appropriate image
int x = getX(object);
int y = getY(object);
printf("Rect[%d] clicked by player %d\n", j, player);
removeGWindow(window, object);
updateArray(player, j);
GImage cross = newGImage("cross.png");
addAt(window, cross, x, y);
rightClick = 1;
}
}
if(rightClick == 1)
break;
}
}
}
}// end of a click operation
}// end if player == 0 aka human being
else // if player is computer
{
pause(750);
// find the position
int pos;
if(check(59) >= 0)
pos = check(59);
else if (check(5) >= 0)
pos = check(5);
else
pos = any();
updateArray(player, pos);
//remove the rect and add appropriate image
int x = getX(rect[pos]);
int y = getY(rect[pos]);
printf("Rect[%d] clicked by player %d\n", pos, player);
removeGWindow(window, rect[pos]);
GImage circle = newGImage("circle.png");
addAt(window, circle, x, y);
}// end if player is computer
// check Status
if (checkStatus())
{
printf("Player %d won\n", player);
flag = player;
break;
}
i++;
}// end of i = 0 to 8 loop
}// end if mode == 1
if (flag == 0 && mode == 2)
{
setLabel(status, "Player 1 Wins!!!");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else if (flag == 1 && mode == 2)
{
setLabel(status, "Player 2 Wins!!!");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else if (flag == 0 && mode == 1)
{
setLabel(status, "You Win !!!");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else if (flag == 1 && mode == 1)
{
setLabel(status, "You Lose !!!");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
else if (flag == -1)
{
setLabel(status, "Game Draws !!!");
double x = WIDTH/2 - getWidth(status)/2;
double y = HEIGHT/2 + 200;
setLocation(status, x, y);
}
printf("flag = %d\n", flag);
waitForClick();
}
