Re: [pygame] Seeing if this works...

[Henrique Nakashima <henrique.nakashima@xxxxxxxxx>]

When you blit a sprite to the screen, it is not erased from where it
was previously blitted. You gotta do it manually, blitting the
background over everything then the sprite in its new position.

Alternatively, to avoid blitting the whole screen every loop, you can
only blit the part of the background which was covered by the sprite
in the previous frame, "patching" it. This technique is called dirty
rectangles. Actually, there is a module in pygame - which I never used
myself - for doing that:
http://www.pygame.org/docs/ref/sprite.html#pygame.sprite.DirtySprite

On Tue, Oct 6, 2009 at 00:33, Guy Anderson <guy.a.anderson@xxxxxxxxx> wrote:
> Well okay :)
>
> I'm currently working on a game that will utilize linear movement. I
> have successfully made it so that the sprite moves around with the
> arrow keys, but for some reason it leaves sort of a "sprite-trail"
> when moving; that is, the sprites from the previous positions don't
> clear. I've tried utilizing the clear and dirty commands from the
> pygame module, but I've been unsuccessful. If anyone could help me
> with this, it would be great.
>
> I am attaching the code with the sprite used.
>
> On 10/5/09, Luke Paireepinart <rabidpoobear@xxxxxxxxx> wrote:
>> Works fine, Guy.Now on with the questions! :)
>> Also, if your questions are not pygame-specific, please consider subscribing
>> to the Python Tutor mailing list, there's a lot of cool guys over on that
>> list who are happy to help with basic Python questions.
>>
>> On Tue, Oct 6, 2009 at 5:05 AM, Guy Anderson
>> <guy.a.anderson@xxxxxxxxx>wrote:
>>
>>> If this is annoying, I don't blame you. It's been years since I've
>>> been on a mailing list, though, so I'm trying to see how it all works
>>> out.
>>>
>>> I will have a basic programming question soon, though.
>>>
>>
>