pygame简易画板练习程序

"""pygame简易画板练习程序,这个画板只是在image上画圆形,鼠标移动太快的话会形成散列点。
解决方案是用线性插值插入点进去即可,读者可自行改进。"""

import pygame
from pygame.locals import *

class Pen():
    def __init__(self,color,thickness):
        self.color = color         # 笔颜色
        self.thickness = thickness # 笔迹宽度
        self.status = 0            # 笔的状态,是落笔还是抬笔

class Block():
    def __init__(self,clock):
        pass
    
def main():
    
    pygame.init()
    screenWidth,screenHeight=480,360
    screen = pygame.display.set_mode((screenWidth,screenHeight))
    pygame.display.set_caption("python简易画板(待改进)_作者:李兴球")
    
    画板 = pygame.image.load("画板.png")     
    pen  = Pen((255,0,0),2)
    clock = pygame.time.Clock()
    运行中 = True
    
    while 运行中:
        for event in pygame.event.get():
            if event.type==QUIT:运行中=False
            if event.type == MOUSEBUTTONDOWN:
                pen.status = 1
            if event.type ==MOUSEBUTTONUP:
                pen.status =0       
        mx,my = pygame.mouse.get_pos()       
        if pen.status == 1:
            pygame.draw.circle(画板,pen.color,(mx,my),pen.thickness)
            
        screen.blit(画板,(0,0))
        pygame.display.update()      
        pygame.display.set_caption(str(mx) + "," + str(my) + ":" + str(pen.status))
        clock.tick(30)
    pygame.quit()

if __name__=="__main__":
    
    main()