1+ # Import the pygame library and initialise the game engine
2+ import pygame
3+ # Let's import the Paddle Class & the Ball Class
4+ from paddle import Paddle
5+ from ball import Ball
6+ from brick import Brick
7+
8+ pygame .init ()
9+
10+ # Define some colors
11+ WHITE = (255 , 255 , 255 )
12+ DARKBLUE = (0 , 173 , 181 )
13+ LIGHTBLUE = (255 , 255 , 255 )
14+ RED = (170 , 216 , 211 )
15+ ORANGE = (238 , 238 , 238 )
16+ YELLOW = (57 , 62 , 70 )
17+
18+ score = 0
19+ lives = 3
20+
21+ # Open a new window
22+ size = (800 , 600 )
23+ screen = pygame .display .set_mode (size )
24+ pygame .display .set_caption ("Breakout Game" )
25+
26+ # This will be a list that will contain all the sprites we intend to use in our game.
27+ all_sprites_list = pygame .sprite .Group ()
28+
29+ # Create the Paddle
30+ paddle = Paddle (LIGHTBLUE , 100 , 10 )
31+ paddle .rect .x = 350
32+ paddle .rect .y = 560
33+
34+ # Create the ball sprite
35+ ball = Ball (WHITE , 10 , 10 )
36+ ball .rect .x = 345
37+ ball .rect .y = 195
38+
39+ all_bricks = pygame .sprite .Group ()
40+ for i in range (7 ):
41+ brick = Brick (RED , 80 , 30 )
42+ brick .rect .x = 60 + i * 100
43+ brick .rect .y = 60
44+ all_sprites_list .add (brick )
45+ all_bricks .add (brick )
46+ for i in range (7 ):
47+ brick = Brick (ORANGE , 80 , 30 )
48+ brick .rect .x = 60 + i * 100
49+ brick .rect .y = 100
50+ all_sprites_list .add (brick )
51+ all_bricks .add (brick )
52+ for i in range (7 ):
53+ brick = Brick (YELLOW , 80 , 30 )
54+ brick .rect .x = 60 + i * 100
55+ brick .rect .y = 140
56+ all_sprites_list .add (brick )
57+ all_bricks .add (brick )
58+
59+ # Add the paddle to the list of sprites
60+ all_sprites_list .add (paddle )
61+ all_sprites_list .add (ball )
62+
63+ # The loop will carry on until the user exit the game (e.g. clicks the close button).
64+ carryOn = True
65+
66+ # The clock will be used to control how fast the screen updates
67+ clock = pygame .time .Clock ()
68+
69+ # -------- Main Program Loop -----------
70+ while carryOn :
71+ # --- Main event loop
72+ for event in pygame .event .get (): # User did something
73+ if event .type == pygame .QUIT : # If user clicked close
74+ carryOn = False # Flag that we are done so we exit this loop
75+
76+ # Moving the paddle when the use uses the arrow keys
77+ keys = pygame .key .get_pressed ()
78+ if keys [pygame .K_LEFT ]:
79+ paddle .moveLeft (5 )
80+ if keys [pygame .K_RIGHT ]:
81+ paddle .moveRight (5 )
82+
83+ # --- Game logic should go here
84+ all_sprites_list .update ()
85+
86+ # Check if the ball is bouncing against any of the 4 walls:
87+ if ball .rect .x >= 790 :
88+ ball .velocity [0 ] = - ball .velocity [0 ]
89+ if ball .rect .x <= 0 :
90+ ball .velocity [0 ] = - ball .velocity [0 ]
91+ if ball .rect .y > 590 :
92+ ball .velocity [1 ] = - ball .velocity [1 ]
93+ lives -= 1
94+ if lives == 0 :
95+ # Display Game Over Message for 3 seconds
96+ font = pygame .font .Font (None , 74 )
97+ text = font .render ("GAME OVER" , 1 , WHITE )
98+ screen .blit (text , (250 , 300 ))
99+ pygame .display .flip ()
100+ pygame .time .wait (3000 )
101+
102+ # Stop the Game
103+ carryOn = False
104+
105+ if ball .rect .y < 40 :
106+ ball .velocity [1 ] = - ball .velocity [1 ]
107+
108+ # Detect collisions between the ball and the paddles
109+ if pygame .sprite .collide_mask (ball , paddle ):
110+ ball .rect .x -= ball .velocity [0 ]
111+ ball .rect .y -= ball .velocity [1 ]
112+ ball .bounce ()
113+
114+ # Check if there is the ball collides with any of bricks
115+ brick_collision_list = pygame .sprite .spritecollide (ball , all_bricks , False )
116+ for brick in brick_collision_list :
117+ ball .bounce ()
118+ score += 1
119+ brick .kill ()
120+ if len (all_bricks ) == 0 :
121+ # Display Level Complete Message for 3 seconds
122+ font = pygame .font .Font (None , 74 )
123+ text = font .render ("LEVEL COMPLETE" , 1 , WHITE )
124+ screen .blit (text , (200 , 300 ))
125+ pygame .display .flip ()
126+ pygame .time .wait (3000 )
127+
128+ # Stop the Game
129+ carryOn = False
130+
131+ # --- Drawing code should go here
132+ # First, clear the screen to dark blue.
133+ screen .fill (DARKBLUE )
134+ pygame .draw .line (screen , WHITE , [0 , 38 ], [800 , 38 ], 2 )
135+
136+ # Display the score and the number of lives at the top of the screen
137+ font = pygame .font .Font (None , 34 )
138+ text = font .render ("Score: " + str (score ), 1 , WHITE )
139+ screen .blit (text , (20 , 10 ))
140+ text = font .render ("Lives: " + str (lives ), 1 , WHITE )
141+ screen .blit (text , (650 , 10 ))
142+
143+ # Now let's draw all the sprites in one go. (For now we only have 2 sprites!)
144+ all_sprites_list .draw (screen )
145+
146+ # --- Go ahead and update the screen with what we've drawn.
147+ pygame .display .flip ()
148+
149+ # --- Limit to 60 frames per second
150+ clock .tick (60 )
151+
152+ # Once we have exited the main program loop we can stop the game engine:
153+ pygame .quit ()
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