import math
import randomimport pygame
import sys
class Ball : def __init__ ( self, radius) : self. radius = radiusself. pos = [ screen_width // 2 , screen_height - 20 - radius] self. velocity = [ 2 , - 2 ] def draw ( self, surface) : pygame. draw. circle( surface, WHITE, self. pos, self. radius) def update ( self) : self. pos[ 0 ] += self. velocity[ 0 ] self. pos[ 1 ] += self. velocity[ 1 ] if self. pos[ 0 ] < self. radius or self. pos[ 0 ] > ( screen_width - self. radius) : self. velocity[ 0 ] *= - 1 if self. pos[ 1 ] <= self. radius or self. pos[ 1 ] > ( screen_height - self. radius) : self. velocity[ 1 ] *= - 1
class Paddle : def __init__ ( self, width, height) : self. width = widthself. height = heightself. pos = [ screen_width // 2 - width // 2 , screen_height - 20 ] self. velocity = [ - 5 , 0 ] def draw ( self, surface) : pygame. draw. rect( surface, WHITE, ( self. pos[ 0 ] , self. pos[ 1 ] , self. width, self. height) , 0 , 0 ) def update ( self) : keys = pygame. key. get_pressed( ) if keys[ pygame. K_LEFT] and self. pos[ 0 ] > 0 : self. pos[ 0 ] += self. velocity[ 0 ] if keys[ pygame. K_RIGHT] and self. pos[ 0 ] < screen_width - self. width: self. pos[ 0 ] -= self. velocity[ 0 ] class Brick : def __init__ ( self, x, y, width, height, color) : self. rect = pygame. Rect( x, y, width, height) self. color = colordef draw ( self, surface) : pygame. draw. rect( surface, self. color, self. rect) def check_collision ( ball, brick) : if ( brick. rect. x - ball. radius <= ball. pos[ 0 ] <= brick. rect. x + brick. rect. width + ball. radius) and ( brick. rect. y <= ball. pos[ 1 ] <= brick. rect. y + brick. rect. height) : return 1 if ( brick. rect. y - ball. radius <= ball. pos[ 1 ] <= brick. rect. y + brick. rect. height + ball. radius) and ( brick. rect. x <= ball. pos[ 0 ] <= brick. rect. x + brick. rect. width) : return 2 return 0 def update_bricks ( ball, bricks) : score = 0 for brick in bricks[ : ] : if check_collision( ball, brick) == 1 : bricks. remove( brick) ball. velocity[ 0 ] *= - 1 score += 10 break elif check_collision( ball, brick) == 2 : bricks. remove( brick) ball. velocity[ 1 ] *= - 1 score += 10 break return scoredef create_explosion ( brick) : pass def update_explosions ( explosions, bricks) : for explosion in explosions[ : ] : if explosion. is_finished( ) : explosions. remove( explosion) if explosion. intersects( brick) : bricks. remove( brick) if __name__ == '__main__' : pygame. init( ) screen_width, screen_height = 640 , 480 screen = pygame. display. set_mode( ( screen_width, screen_height) ) pygame. display. set_caption( 'Bounce Game' ) clock = pygame. time. Clock( ) WHITE = ( 255 , 255 , 255 ) BLACK = ( 0 , 0 , 0 ) RED = ( 255 , 0 , 0 ) ball = Ball( 10 ) paddle = Paddle( 80 , 10 ) bricks = [ ] for x in range ( 0 , screen_width, 80 ) : for y in range ( 0 , screen_height // 4 , 20 ) : brick = Brick( x + 2 , y + 2 , 80 - 2 , 20 - 2 , ( 255 , 255 , 255 ) ) bricks. append( brick) score = 0 running = True while running: for event in pygame. event. get( ) : if event. type == pygame. QUIT: running = False ball. update( ) paddle. update( ) if ball. pos[ 1 ] + ball. radius > paddle. pos[ 1 ] : if ball. pos[ 0 ] < paddle. pos[ 0 ] or ball. pos[ 0 ] > paddle. pos[ 0 ] + paddle. width: score -= 1 else : ss = abs ( ball. pos[ 0 ] - ( paddle. pos[ 0 ] + paddle. width// 2 ) ) / 20 ball. velocity[ 0 ] = 2 + ss* 2 ball. velocity[ 1 ] *= - 1 screen. fill( BLACK) ball. draw( screen) paddle. draw( screen) xx = random. randint( 0 , 255 ) for brick in bricks: brick. draw( screen) if ball. pos[ 1 ] <= screen_height// 2 : score += update_bricks( ball, bricks) font = pygame. font. Font( None , 36 ) score_text = font. render( 'Score: ' + str ( score) , True , RED) screen. blit( score_text, ( 10 , 10 ) ) pygame. display. flip( ) clock. tick( 60 ) pygame. quit( ) sys. exit( )
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