halftun.py 文件源码

def draw(screen, mvp):

    if mvp.note_on:
        x=random.randrange(0,700)
        y=random.randrange(0,400)
        pierad=random.randrange(10,) #radius
        arcstart=random.randrange(0,360)
        arcend=random.randrange(0, 360-arcstart)
        coloralpha=mvp.knob3/4
#       size = mvp.knob2
        color = (random.randrange(0,255), random.randrange(0,255), random.randrange(0,255), coloralpha)
#       width = mvp.knob1 // 50
#       if width == 0 : width = 1
#       if width > size : width = size 
        nestrange=mvp.knob1/8
        fanrange=mvp.knob2/10
        count=0
        for i in range(nestrange):
            count = i
            arcstart=random.randrange(0,360)
            arcend=random.randrange(0, 360-arcstart)
            for i in range(fanrange):
                pygame.gfxdraw.pie(screen, screen.get_width()/2, screen.get_height(), screen.get_height() - (count*screen.get_height()/nestrange), arcstart + i*fanrange, arcend - i*fanrange, color)
                #pygame.gfxdraw.pie(screen, screen.get_width()/2, screen.get_height()/2, (nestrange-count)*, arcstart + i*fanrange, arcend - i*fanrange, color)
            pygame.display.flip() #updates the display surface





#pgyame.gfxdraw.pie(surface, x, y, radius, arcstart, arcend, color): return None