Python精灵模块:单击抛物粒子效果

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"""
   单击抛物粒子效果
"""
from sprites import *          # 从精灵模块导入所有命令

def make_colors():
    """生成一个颜色"""
    r = random.randint(0,255)
    g = random.randint(0,255)
    b = random.randint(0,255)
    return r,g,b

screen = Screen()
screen.colormode(255)

squares = [Sprite(shape='circle',visible=False) for x in range(15)]

for sq in squares:
    sq.da = -1                  # 加速度
    sq.scale(0.2)               # 缩小 
    sq.color(make_colors())     # 设定颜色

def start_fall(x,y):
    """开始下落"""
    screen.onclick(None)        # 取消单击绑定    
    [sq.goto(x,y) for sq in squares]
    for sq in squares:
        sq.dx = random.randint(-5,5)
        sq.dy = random.randint(5,10)
        sq.show()
        
    counter = 0
    clock = Clock()

以下代码省略......

    

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