创建圆列表 每个圆都是一个包含 3 个分量的元组:x 和 y 坐标以及半径。只要列表的长度小于,就追加新的圆圈n:
circle_list = []
while len(circle_list) < n:
# [...]
创建随机位置和半径:
r = random.randint(10, 20)
x = random.randint(r, display_width - r)
y = random.randint(r, display_height - r)
评估该圆是否与列表中的另一个圆相交:
collide = False
for x2, y2, r2 in circle_list:
d = distance(x, y, x2, y2)
if d < r + r2:
collide = True
break
如果不发生碰撞,则附加圆:
if not collide:
circle_list.append((x, y, r))
最小的例子:
import random
import math
import pygame
def euclidean_distance(x1, y1, x2, y2):
#return math.sqrt((x1 - x2) ** 2 + (y1 - y2) ** 2)
return math.hypot((x1 - x2), (y1 - y2))
pygame.init()
window = pygame.display.set_mode((400, 400))
font50 = pygame.font.SysFont(None, 50)
clock = pygame.time.Clock()
pygame.time.delay(10000)
run = True
circle_list = []
while run:
clock.tick(100)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
r = random.randint(10, 20)
x = random.randint(10+r, window.get_width()- r-10)
y = random.randint(10+r, window.get_height()-r-10)
if not any((x2, y2, r2) for x2, y2, r2 in circle_list if euclidean_distance(x, y, x2, y2) < r + r2):
circle_list.append((x, y, r))
window.fill((255, 255, 255))
for x, y, r in circle_list:
pygame.draw.circle(window, (0, 0, 0), (round(x), round(y)), int(r), 3)
window.blit(font50.render(str(len(circle_list)), True, (255, 0, 0)), (10, 10))
pygame.display.flip()
pygame.quit()
exit()