pygame贝塞尔曲线绘制示例

"""pygame贝塞尔曲线绘制示例"""

import pygame
import pygame.gfxdraw

def main():
    pygame.init()
    screen = pygame.display.set_mode((500,500))
    screen.fill((0, 0, 255))
    pygame.display.set_caption("pygame贝塞尔曲线绘制示例")
    sur = pygame.Surface(screen.get_size(), pygame.SRCALPHA, 32)

    # 贝塞尔曲线上的坐标点
    points = [(0,0),(10,20),(15,15),(50,5),(60,80),(100,200),(400,100)]
    points.extend([(410,200),(300,200),(200,150),(250,250),(400,400),(10,450)])
    points.extend([(420,400),(430,40)])    
    color = (255,0,255)
    steps = 10

    pygame.gfxdraw.bezier(sur, points,steps,color)
 
    screen.blit(sur, (0, 0))
    pygame.display.flip()

    while not pygame.event.get(pygame.QUIT):pass
    pygame.quit()

if __name__ == '__main__':
    main()