Re: [pygame] The Giant - 'cool project I'm working on now' - thread.

[Michael George <mdgeorge@xxxxxxxxxxxxxx>]

I don't think that works.  Consider an object smooshed between two 
others.  The collision from the one on the left would have a vector 
pointing to the right.  The collision from the one on the right would 
have a vector pointing left, and the sum would be zero (unless I'm 
misunderstanding).

--Mike

DR0ID wrote:
> Hi
>
> Well, you can apply the 'axis separating theorem' to a 'multi 
> collision (just test all potential colliding objects). As a result you 
> get the penetration depth as a vector, which you could sum up to get a 
> general direction to move you object (in Murmel I did this, IIRC). But 
> probably you know that already.
>
> ~DR0ID
>
> Michael George schrieb:
> > Thanks for the pointer.  That looks like good stuff and I haven't 
> > come across it before.  I don't think it will apply to my game 
> > because of the common case where there's a cluster of objects that 
> > you need to respond to, but I will definitely read it through in more 
> > detail.
> >
> > --Mike
> >
> > DR0ID wrote:
> > > Hi
> > >
> > > here is a good tutorial about 2d collision (probably you already 
> > > know): http://www.harveycartel.org/metanet/tutorials.html