Where to start

[LonelyStar]

Hello,

I am writing a little 2D physic engine.
At the moment, I am just testing every update frame every object against every other object and resolve the collision directly.
Now I want the engine to be able to handle stacking!

What are the common approaches to this problem and where can I find information about them?

Thanks!
Nathan

Edit: I probably should mention, that my physic engine is realtime (like for games).

[Erwin Coumans]

There is a Google search for this forum at the top of this page.
If you enter '2d physics', you will find many useful links, including this one:

http://continuousphysics.com/Bullet/php ... .php?t=273