breakout

//
// breakout.c
//
// Computer Science 50
// Problem Set 3
//

// standard libraries
#define _XOPEN_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

// Stanford Portable Library
#include <spl/gevents.h>
#include <spl/gobjects.h>
#include <spl/gwindow.h>

// height and width of game's window in pixels
#define HEIGHT 600
#define WIDTH 400

// number of rows of bricks
#define ROWS 5

// number of columns of bricks
#define COLS 10

// radius of ball in pixels
#define RADIUS 10

// lives
#define LIVES 3

// prototypes
void initBricks(GWindow window);
GOval initBall(GWindow window);
GRect initPaddle(GWindow window);
GLabel initScoreboard(GWindow window);
void updateScoreboard(GWindow window, GLabel label, int points);
GObject detectCollision(GWindow window, GOval ball);

int main(void)
{
    // 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);

    // instantiate paddle, centered at bottom of window
    GRect paddle = initPaddle(window);

    // instantiate scoreboard, centered in middle of window, just above ball
    GLabel label = initScoreboard(window);

    // number of bricks initially
    int bricks = COLS * ROWS;

    // number of lives initially
    int lives = LIVES;

    // number of points initially
    int points = 0;
    double velocity = 1;

    // keep playing until game over
    while (lives > 0 && bricks > 0)
    {
        updateScoreboard(window, label, points);
        //move(gobj, dx, dy);
        move(ball, velocity, velocity);
        pause(10);

        GEvent event = getNextEvent(MOUSE_EVENT);
 if (event != NULL)
        {
            // if the event was movement
            if (getEventType(event) == MOUSE_MOVED)
           {
                // ensure paddle follows top cursor
                double x = getX(event) - getWidth(paddle) / 2;
                double y = 500;
                setLocation(paddle,x, y);
            }

    }

  //collsion
  GObject object = detectCollision(window, ball);
  if (object != NULL){


  if (object == paddle)
{
    velocity=-velocity;

}
   else if (strcmp(getType(object), "GRect") == 0)
            {
                removeGWindow(window, object);
                velocity = -velocity;
                points++;
                bricks--;
                velocity+=0.3;
            }
  }
  //if the ball hit the right wall
     if (getX(ball) + getWidth(ball) >= getWidth(window))
        {
            velocity = -velocity;
        } else if (getX(ball) <= 0)
        {
            velocity = -velocity;
        }

    if (getY(ball) + getWidth(ball) >= getWidth(window))
        {
           lives--;
            //move ball to start
            setLocation(ball, 190, 200);
            //move paddle to start
            setLocation(paddle, 160, 500);
            waitForClick();
        } else if (getY(ball) <= 0)
        {
        velocity = -velocity;

        }

  }






    // wait for click before exiting
    waitForClick();

    // game over
    closeGWindow(window);
    return 0;

}
/**
 * Initializes window with a grid of bricks.
 */
void initBricks(GWindow window)
{
        int brick_y = 50; //start postion of y at 50 pixel from
    for(int i =0; i<ROWS; i++){


        int brick_x=2;  //start postion on X axis 2 px
        for (int j=0; j<COLS; j++){
        //to make a fucking brick
        //rect = newGRect(x, y, width, height);

            GRect brick = newGRect(brick_x + 5, brick_y, 35, 10);
            //set cool fucking colors
            if(i==0)  setColor(brick, "Black");
             if(i==1)  setColor(brick, "Black");
            if(i==2)  setColor(brick, "Blue");
             if(i==3)  setColor(brick, "RED");
              if(i==4)  setColor(brick, "RED");
            setFilled(brick, true);
            add(window, brick);
            brick_x+=39;
        }

    brick_y+=18;
    }
}

/**
 * Instantiates ball in center of window.  Returns ball.
 */
GOval initBall(GWindow window)
{//oval = newGOval(x, y, width, height);
GOval ball = newGOval(200 - 10, 300, 20, 20);
    setColor(ball, "Blue");
    setFilled(ball, true);
    add(window, ball);
return ball;
}

/**
 * Instantiates paddle in bottom-middle of window.
 */
GRect initPaddle(GWindow window)
{
     GRect paddle = newGRect(150, 550, 75, 10);
     setFilled(paddle, true);
            add(window, paddle);
            setColor(paddle, "Green");
    return paddle;
}

/**
 * Instantiates, configures, and returns label for scoreboard.
 */
GLabel initScoreboard(GWindow window)
{ //like the video
   GLabel label = newGLabel("Zero");
    setFont(label, "SansSerif-50");
    setColor(label, "C0C0C0");
    add(window, label);
    setLocation(label, 180, 300);
    return label;

}

/**
 * Updates scoreboard's label, keeping it centered in window.
 */
void updateScoreboard(GWindow window, GLabel label, int points)
{
    // update label
    char s[12];
    sprintf(s, "%i", points);
    setLabel(label, s);

    // center label in window
    double x = (getWidth(window) - getWidth(label)) / 2;
    double y = (getHeight(window) - getHeight(label)) / 2;
    setLocation(label, x, y);
}

/**
 * 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)
    {
        return object;
    }

    // check for collision at ball's top-right corner
    object = getGObjectAt(window, x + 2 * RADIUS, y);
    if (object != NULL)
    {
        return object;
    }

    // check for collision at ball's bottom-left corner
    object = getGObjectAt(window, x, y + 2 * RADIUS);
    if (object != NULL)
    {
        return object;
    }

    // check for collision at ball's bottom-right corner
    object = getGObjectAt(window, x + 2 * RADIUS, y + 2 * RADIUS);
    if (object != NULL)
    {
        return object;
    }

    // no collision
    return NULL;
}