首先,我在网上搜索了这个网站的解决方案,而我尝试过的那些都不起作用,所以我决定发布我的个人问题和代码。该程序是使用 Python 3.2.2 和对应的 pygame 兼容版本创建的。我还意识到一种更有效的方法是使用精灵、精灵组和“脏矩形”更新,但我无法转换程序,所以我将继续没有这些功能的额外好处。
问题:留下“小行星”移动的污迹痕迹。
假设:背景被粘贴到屏幕上,而小行星被粘贴到背景上。
请回复-顺便说一句,我是来自澳大利亚的高中生:D
import pygame
import random
import math
pygame.init()
height = 550
width = 750
screen = pygame.display.set_mode((width, height))
background = pygame.image.load("Planet.jpg")
Clock = pygame.time.Clock()
class asteroid(pygame.sprite.Sprite):
def __init__(self, x, y, size):
pygame.sprite.Sprite.__init__(self)
self.x = x
self.y = y
self.size = 15
self.speed = 0.0
self.angle = 0
self.colour = (171, 130, 255)
self.thickness = 0
def display(self):
pygame.draw.circle(background, self.colour, (int(self.x),int(self.y)), self.size, self.thickness)
pygame.draw.circle(background, (255, 255, 255), (int(self.x),int(self.y)), self.size, 1)
def move(self):
self.x += math.sin(self.angle) * self.speed
self.y -= math.cos(self.angle) * self.speed
def boundaries(self):
if self.x > width - self.size:
self.x = 0 + self.size
elif self.x < self.size:
self.x = width - self.size
if self.y > height - self.size:
self.y = 0 + self.size
elif self.y <self.size:
self.y = height - self.size
num_target = 5
my_particles = []
num_particles = len(my_particles)
while num_particles < 5:
for n in range(num_target):
size = 20
x = random.randint(size, height - size)
y = random.randint(size, width - size)
target = asteroid(x, y, size)
target.speed = random.uniform(1.0, 1.0)
target.angle = random.uniform(0, math.pi*2)
my_particles.append(target)
num_particles = num_particles + 1
def main():
pygame.display.set_caption("Anyu's Game")
screen.blit(background, (0,0))
pygame.display.update()
score = (pygame.time.get_ticks()/1000)
print (score)
while True:
pygame.display.update()
screen.blit(background, (0,0))
MouseP = pygame.mouse.get_pos()
frames = Clock.get_fps
pygame.mouse.set_visible
score = (pygame.time.get_ticks()/1000)
print (score)
print (MouseP)
for target in my_particles:
target.move()
target.boundaries()
target.display()
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit();
if __name__=='__main__':
main()