Pygame中的圖像和物體之間的碰撞檢測

Question

希望大家都有美好的一天。
我想要檢測我的對象（黑色矩形）和食物圖像之間的碰撞。
我想要做的就是每當我的矩形與食物圖像碰撞時，食物圖像隨機放置在屏幕上，得分增加+1。

import pygame 
import time 
import random 

pygame.init() 

#Colours 
white = (255,255,255) 
black = (0,0,0) 
red = (255,0,0) 
green = (0,155,0) 

#Game Display 
display_width = 800 
display_height = 600 
gameDisplay = pygame.display.set_mode((display_width,display_height)) 
pygame.display.set_caption('KALM Creation') 

#Directions 
DOWN='down' 
UP='up' 
LEFT='left' 
RIGHT='right' 

#Score 
score=0 

# My food image 
foodimg=pygame.image.load("food.png")#.convert_alpha() 
foodrect = foodimg.get_rect() 
foodrect.centerx = 100 
foodrect.centery = 200 

#Our Icon For The Game 
icon=pygame.image.load('icon1.jpg') 
pygame.display.set_icon(icon) 

#Clock 
clock = pygame.time.Clock() 
FPS = 30 

cellSize=10 

#Font Size 
smallfont = pygame.font.SysFont("comicsansms", 25) 
medfont = pygame.font.SysFont("comicsansms", 50) 
largefont = pygame.font.SysFont("comicsansms", 80) 

#The score function - displays the score on top right 
def scoredisplay(scoredef=0): 
    text=smallfont.render("Score :%s" %(scoredef) ,True ,black) 
    gameDisplay.blit(text,[0,0]) 

#Starting Of the game 
def game_intro(): 

    intro = True 
    while intro:  
     for event in pygame.event.get(): 
     if event.type == pygame.QUIT: 
      pygame.quit() 
      quit() 
     if event.type == pygame.KEYDOWN: 
      if event.key ==pygame.K_c: 
       intro = False 
      if event.key ==pygame.K_q: 
       pygame.quit() 
       quit() 
     gameDisplay.fill(white) 
     #Game Initial display message 
     message_to_screen("Welcome To Eat it Game", 
          green, 
          -200, 
          size="medium") 
     message_to_screen("Press 'C' to play the game or 'Q' to quit.", 
          black, 
          150, 
          size="small") 
     pygame.display.update() 
     clock.tick(15) 
#Text Size 
def text_objects(text,color, size): 
    if size=="small": 
     textSurface=smallfont.render(text, True ,color) 
    elif size=="medium": 
     textSurface=medfont.render(text, True ,color) 
    elif size=="large": 
     textSurface=largefont.render(text, True ,color) 


    return textSurface,textSurface.get_rect() 

#Message to screen 
def message_to_screen(msg,color,y_displace=0,size="small"): 
    textSurf,textRect=text_objects(msg,color,size) 
    textRect.center = (display_width/2),(display_height/2)+y_displace 
    gameDisplay.blit(textSurf,textRect) 

#Drawing Cells 
def drawCell(coords,ccolor): 
    for coord in coords: 
     x=coord['x']*cellSize 
     y=coord['y']*cellSize 
     makeCell=pygame.Rect(x,y,cellSize,cellSize) 
     pygame.draw.rect(gameDisplay,ccolor,makeCell) 

#The Game run up 
def runGame(): 
    score=0 
    gameExit = False 
    gameOver = False 
    #Starting Position of the object 
    startx=3 
    starty=3 
    coords=[{'x':startx,'y':starty}] 
    direction = RIGHT 
    while not gameExit: 
     while gameOver == True: 
      #Game Over message 

      gameDisplay.fill(white) 
      message_to_screen("Game over", 
           red, 
           y_displace=-50, 
           size="large") 
      message_to_screen("Press C to play again or Q to quit", 
           black, 
           y_displace=50, 
           size="medium") 

      pygame.display.update() 

      for event in pygame.event.get(): 
       if event.type == pygame.KEYDOWN: 
        if event.key == pygame.K_q: 
         gameExit = True 
         gameOver = False 
        if event.key == pygame.K_c: 
         gameLoop() 

     #Game Controls 
     for event in pygame.event.get(): 
      if event.type == pygame.QUIT: 
       gameExit = True 
      if event.type == pygame.KEYDOWN: 
       if event.key == pygame.K_LEFT: 
        direction = LEFT 
       elif event.key == pygame.K_RIGHT: 
        direction = RIGHT 
       elif event.key == pygame.K_UP: 
        direction = UP 
       elif event.key == pygame.K_DOWN: 
        direction = DOWN 

     if direction == UP: 
      newCell={'x':coords[0]['x'],'y':coords[0]['y']-1} 
     elif direction == DOWN: 
      newCell={'x':coords[0]['x'],'y':coords[0]['y']+1} 
     elif direction == LEFT: 
      newCell={'x':coords[0]['x']-1,'y':coords[0]['y']} 
     elif direction == RIGHT: 
      newCell={'x':coords[0]['x']+1,'y':coords[0]['y']} 

     del coords[-1] 
     coords.insert(0, newCell) 
     gameDisplay.fill(white) 
     drawCell(coords,black) 
     clock.tick(FPS) 

     #If object moves outside the screen , game gets over. 
     if(newCell['x']<0 or newCell['y']<0 or newCell['x']>display_width/cellSize or newCell['y']>display_height): 
      gameOver= True 

     #Displays Score 
     scoredisplay(score) 

     gameDisplay.blit(foodimg,foodrect) 
     #pygame.display.flip() 
     pygame.display.update() 




#The game run up 
def gameLoop(): 
    clock.tick(FPS) 
    runGame() 
    pygame.quit() 
    quit() 
game_intro() 
gameLoop() 

Answer 1

在drawcell（）調用：

if makecell.colliderect(foodrect): 
    foodrect.x = random.randint(0, sceeenwidth) 
    foodrect.y = random.randint(0, screenheight) 

應該這樣做。