python pygame实现球球大作战

本文实例为大家分享了pythonpygame球球大作战的具体代码，供大家参考，具体内容如下球球大

本文实例为大家分享了python pygame球球大作战的具体代码，供大家参考，具体内容如下

球球大作战：（大球吃小球,代码如下：）

from random import randint,randrange
import pygame
from math import sqrt,pi


class Ball(object):
 def __init__(self, center, color, radius, sx, sy):
 self._center = center
 self._color = color
 self._radius = radius
 self._sx = sx
 self._sy = sy

 @property
 def center(self):
 return self._center

 @property
 def radius(self):
 return self._radius

 @radius.setter
 def radius(self,radius):
 self._radius = radius

 def move(self):
 x, y = self._center[0], self._center[1]
 x += self._sx
 y += self._sy
 self._center = (x, y)
 # if x + self._radius > 800:
 # self._sx = -abs(self._sx)
 # elif x + self._radius < 0:
 # self._sx = abs(self._sx)
 # elif y +self._radius > 800:
 # self._sy = -abs(self._sy)
 # elif y +self._radius < 0:
 # self._sy = abs(self._sy)
 if x + self._radius >= 800 or x - self._radius <= 0 or x <= 0:
 self._sx = -self._sx
 if y +self._radius >= 800 or y - self._radius <= 0 or y <= 0:
 self._sy = -self._sy

 def draw(self,screen):
 pygame.draw.circle(screen, self._color, self._center, self._radius, 0)

 def eat(self, other):
 a = sqrt((self._center[0] - other.center[0]) ** 2 + (self._center[1] - other.center[1]) ** 2)
 if a < self._radius + other.radius and self._radius < other.radius:
 other.radius = self._radius + other.radius
 self.radius = 0
 elif a < self._radius + other.radius and self._radius > other.radius:
 self._radius = self._radius + other.radius
 other.radius = 0


def main():
 balls = []
 pygame.init()
 screen = pygame.display.set_mode([800,800])
 pygame.display.set_caption('大球吃小球')
 c = pygame.time.Clock()
 running = True
 while running:
 for event in pygame.event.get():
 if event.type == pygame.QUIT:
 running = False
 elif event.type == pygame.MOUSEBUTTONDOWN and \
 event.button == 1:
 color = random_color()
 radius = randint(10,100)
 sx, sy = randint(-10,10), randint(-10,10)
 ball = Ball(event.pos, color, radius, sx, sy)
 balls.append(ball)
 refresh(screen,balls)
 c.tick(20) # 50帧
 for ball in balls:
 ball.move()
 balls_len = len(balls)
 for i in range(balls_len):
 for x in range(balls_len):
 balls[i].eat(balls[x])
 for ball in balls:
 if ball.radius == 0:
 balls.remove(ball)


 pygame.quit()


def refresh(screen,balls):
 bg_color = [255, 255, 255]
 screen.fill(bg_color)
 for ball in balls:
 ball.draw(screen)
 pygame.display.flip()


def random_color():
 return [randint(1,255), randint(1,255), randint(1,255)]


if __name__ == '__main__':
 main()

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。