问题描述
我创建了一个创建矩形并将其放入列表的类。我不希望它们发生碰撞,所以我使用collistlist,但是它不起作用。矩形仍在碰撞。
我还希望矩形移动到特定点时向下移动并更改x位置,
我可以这样做,但是我不确定这是否会阻止colliderlist工作
查看下面的代码以获得更多说明。
import pygame
import random
from pygame.locals import *
import time
pygame.init()
a = 255,255,255
b = 0,0
c = 80,0
d = 0,125,125
r1 = (b,c,d)
r = random.choice(r1)
p_x = 500
p_y = 1399
width = 500
height = 1890
display = pygame.display.set_mode((width,height))
title = pygame.display.set_caption("Game")
clock = pygame.time.Clock()
run = False
exit_game = False
x = random.randrange(10,900)
y = random.randrange(10,900)
sy = 10
w = random.randrange(40,90)
h = random.randrange(40,90)
rectangles =[]
class Rectangle:
def __init__(self,color,x,y,w,h):
self.c = color
self.x = x
self.y = y
self.w = w
self.h = h
self.rect =pygame.Rect(self.x,self.y,self.w,self.h)
def draw(self):
pygame.draw.rect(display,self.c,(self.x,self.h))
self.y += sy
if self.y > height:
self.y = -25
self.x = random.randint(10,900)
return self.rect
return self.rect
for count in range(5):
r_c = random.randint(0,255),random.randint(0,255)
r_x = random.randint(10,900)
r_y = random.randint(10,79)
r_w = random.randint(60,100)
r_h = random.randint(40,80)
rectangle = Rectangle(r_c,r_x,r_y,r_w,r_h)
rectangles.append(rectangle)
while not run:
display.fill(a)
p =pygame.draw.rect(display,(p_x,p_y,56,56))
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit_game = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
p_x -= 60
if event.key == pygame.K_p:
p_x += 60
for rectangle in rectangles:
if rectangle.rect.collidelist(rectangles) > -1:
rectangle.draw()
pygame.display.update()
clock.tick(60)
pygame.quit()
quit()
解决方法
SemaphoreSlim评估单个collidelist()
对象和pygame.Rect
对象列表之间的碰撞。
从类中删除属性.x
,.y
,.w
和.h
,但是添加一个新的方法更新:
class Rectangle:
def __init__(self,color,x,y,w,h):
self.c = color
self.rect = pygame.Rect(x,h)
def update(self):
self.rect.y += sy
if self.rect.y > height:
self.rect.y = -25
self.rect.x = random.randint(10,900)
def draw(self):
pygame.draw.rect(display,self.c,self.rect)
在碰撞测试之前,您必须生成pygame.Rect
个对象的列表。由于每个矩形都在列表中,因此碰撞测试将始终至少找到一个矩形(本身)。使用pygame.Rect
并检查碰撞矩形的数量是否小于2:
while not run:
# [...]
for rectangle in rectangles:
rectangle.update()
rectlist = [r.rect for r in rectangles]
if len(rectangle.rect.collidelistall(rectlist)) < 2:
rectangle.draw()
无论如何,我建议创建不相交的矩形。初始化时:
rectangles = []
rectlist = []
for count in range(5):
r_c = random.randint(0,255),random.randint(0,255)
create_new = True
while create_new:
r_x = random.randint(10,900)
r_y = random.randint(10,79)
r_w = random.randint(60,100)
r_h = random.randint(40,80)
rectangle = Rectangle(r_c,r_x,r_y,r_w,r_h)
create_new = rectangle.rect.collidelist(rectlist) > -1
rectangles.append(rectangle)
rectlist.append(rectangle.rect)
在类update
的方法Rectangle
中:
class Rectangle:
# [...]
def update(self,rectangles):
self.rect.y += sy
if self.rect.y > height:
rectlist = [r.rect for r in rectangles if r != self]
self.rect.y = -25
self.rect.x = random.randint(10,900)
while self.rect.collidelist(rectlist) > -1:
self.rect.x = random.randint(10,900)
完整示例:
import pygame
import random
from pygame.locals import *
import time
pygame.init()
a = 255,255,255
b = 0,0
c = 80,0
d = 0,125,125
r1 = (b,c,d)
r = random.choice(r1)
p_x = 500
p_y = 1399
width = 500
height = 1890
display = pygame.display.set_mode((width,height))
title = pygame.display.set_caption("Game")
clock = pygame.time.Clock()
run = False
exit_game = False
sy = 10
class Rectangle:
def __init__(self,h)
def update(self,900)
def draw(self):
pygame.draw.rect(display,self.rect)
rectangles = []
rectlist = []
for count in range(5):
r_c = random.randint(0,r_h)
create_new = rectangle.rect.collidelist(rectlist) > -1
rectangles.append(rectangle)
rectlist.append(rectangle.rect)
while not run:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit_game = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
p_x -= 60
if event.key == pygame.K_p:
p_x += 60
for rectangle in rectangles[:]:
rectangle.update(rectangles)
display.fill(a)
p = pygame.draw.rect(display,(p_x,p_y,56,56))
for rectangle in rectangles:
rectangle.draw()
pygame.display.update()
clock.tick(60)
pygame.quit()
quit()