On 23 Zář, 23:07, "Drew Smathers" <[EMAIL PROTECTED]> wrote:
> On Tue, Sep 23, 2008 at 12:20 PM, Dany0 <[EMAIL PROTECTED]> wrote:
>
> > this is da images:
> >http://www.wikiupload.com/download_page.php?id=61430
> > this is da code:
>
> > from pyglet import window
> > from pyglet import image
>
> > win = window.Window()
>
> > win.set_mouse_visible(False)
>
> > @win.event
> > def set_fullscreen(self, fullscreen=True, screen=None):
> > pass
>
> > class background:
> > img = image.load('background.bmp')
>
> > class gun:
> > gun_img = image.load('gun.bmp')
> > x = 0
> > y = 0
>
> > class bullet:
> > img = image.load('bullet.bmp')
> > x = gun.x+10
> > y = gun.y
>
> > @win.event
> > def on_mouse_motion(x, y, dx, dy):
> > gun.x = x
> > gun.y = y-22
>
> > @win.event
> > def on_mouse_release(x, y, button, modifiers):
> > bullet.img.blit(bullet.x, bullet.y)
>
> > while not win.has_exit:
> > win.dispatch_events()
> > win.clear()
> > background.img.blit(1,1)
> > gun.gun_img.blit(gun.x, gun.y)
> > win.flip()
>
> There are so many problems with your code, but I'll focus only on the
> mechanical issues:
>
> 1. You blit a bullet on mouse release - why? This means you will
> never see the bullet - the event occurs in dispatch_events() which is
> before clearing, redrawing and flipping the display.
>
> 2. Though I'm not sure, I have the suspicion you're assuming there is
> an invariant relation between the position of the bullet and the
> position of the gun. There is no such thing. Lucky for me, Python
> isn't that mind-warping. You likely want to set the bullet's position
> in on_mouse_release.
>
> Finally, you should read more about
> classes:http://docs.python.org/tut/node11.html. Currently you're using
> classes simply for global state - you don't need classes to do that.
aha, so. what am I supposed to do?:(
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