pygame慢画正弦曲线sin.py

pygame慢画正弦曲线sin.py


慢慢地画一条彩色正弦曲线的动画程序,以下是部分代码预览:

"""pygame慢画正弦曲线sin.py,本程序演示一只看不见的画笔在慢慢地画酷炫的正弦曲线,用到了三角正弦函数与draw的画圆命令。"""

__author__ = "李兴球"
__date__ = "2018年7月"
__company__ = "风火轮编程"

import pygame
from pygame.locals import *
import math
import colorsys

class Pen():
    def __init__(self,radius,color,thickness,screen):
        self.color = color         # 笔颜色
        self.thickness = thickness # 笔迹宽度
        self.sw = screen.get_width()
        self.sh = screen.get_height() 

    def setxy(self,angle):
        self.x = int(self.sw//2 +   angle)
        self.y = int(self.sh//2 -  100*math.sin(math.radians(angle)))
         
    def coloradd(self):
        h,l,s, = colorsys.rgb_to_hls(self.color[0]/255,self.color[1]/255,self.color[2]/255)
        h =  h + 0.01
        
def main():

    pygame.init()
    screenWidth,screenHeight=480,360
    screen = pygame.display.set_mode((screenWidth,screenHeight))
    pygame.display.set_caption("pygame慢画炫彩正弦曲线_作者:李兴球")

    pen  = Pen(100,(255,0,0),2,screen)
    clock = pygame.time.Clock()    
    
for angle in range(-180,181):
        for event in pygame.event.get():
            pass
        pen.setxy(angle)
        pen.coloradd()
        pygame.display.update()      
        clock.tick(60)

    pygame.quit()
 

if __name__=="__main__":
    main()

 

如需要查看完整代码,请

成为会员后,登陆才能继续浏览!联系微信scratch8即可办理会员。
(会员专属:能浏览所有文章,下载所有带链接的Python资源。)

李兴球

李兴球的博客是Python创意编程原创博客