Re: [pygame] sprite 'weird' rotation

[Paulo Silva <nitrofurano@xxxxxxxxx>]

ok, understood! and thanks about the fixing from the attachment! :)

On 7/20/09, Michael George <mdgeorge@xxxxxxxxxxxxxx> wrote:
> Note that you would need rotate_point or something similar if you want
> to rotate around a point that's not the center.
>
> Michael George wrote:
>> Oops, I made a type.  See attached
>>
>> Michael George wrote:
>>> Actually, after looking more closely, rotate_point wasn't what you
>>> needed.  The problem was because when you rotate the image, the
>>> output is still an upright rectangle, and you were placing (the upper
>>> left corner of) that rectangle in the same place.  If you place the
>>> center instead, it works out.  See the attached file for the fixed
>>> version.
>>>
>>> --Mike
>>>
>>> Paulo Silva wrote:
>>>> thanks!
>>>>
>>>> but btw, i tried to apply it, and the result got more weird - not only
>>>> i can't move the sprites independently, as the rotations got much more
>>>> weird
>>>>
>>>> http://pastebin.com/f733ebf04
>>>>
>>>> (anyway, i'm still newbie on Pygame, and i still struggle a lot about
>>>> how Python deals with variables, arrays, lists, and methods )
>>>>
>>>> if someone know how to fix it, be welcome on editing that, and sharing
>>>> us the resulting pastebin url - thanks a lot in advance! :)
>>>>
>>>>
>>>>
>>>> On 7/19/09, Michael George <mdgeorge@xxxxxxxxxxxxxx> wrote:
>>>>
>>>>> You can use a function from my game:
>>>>>
>>>>> http://pen.svn.sourceforge.net/viewvc/pen/data/parts/cannon.py?revision=31&view=markup
>>>>>
>>>>>
>>>>>
>>>>> see the rotate_point function
>>>>>
>>>>> --Mike
>>>>>
>>>>> Paulo Silva wrote:
>>>>>
>>>>>> hi,
>>>>>>
>>>>>> i confess it seems a bad handle from me about sprite rotation on
>>>>>> Pygame - do someone know better how we can handle it better, making
>>>>>> them rotating its center?
>>>>>>
>>>>>> http://pastebin.com/f53335b66
>>>>>>
>>>>>> thanks!
>>>>>>
>>>>>>
>>>>>
>>>
>>
>
>