Tagged Questions

A process of adjusting game objects position after collision.

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18
votes
4answers
4k views

How to deal with corner collisions in 2D?

I'm writing a top down 2d XNA game. Since its my first I'm trying to write the physics and collision stuff myself to learn it. Whenever my player sprite character attempts to move into a position ...
3
votes
1answer
230 views

Collision Managers and bitmaps

I am rewriting a game I made to use a (custom) collision manager that uses the minimum displacement method. As of now, my simple manager can only recognize and act on a couple of shapes - Circles and ...
5
votes
2answers
745 views

Handling collisions with ground

How do you usually solve collisions between entities and the ground? Sending collision events hardly seems appropriate since almost everything touches the ground at almost all points in time. Calling ...
11
votes
3answers
4k views

Collision resolution in case of collision with multiple objects

I have static objects and movable objects. The collisions are detected using the separating-axis-theorem. For example, in this situation I have two static objects (in red): and a movable object ...
12
votes
4answers
2k views

How do I calculate rotation caused by bounce friction?

Following on from my previous question: I have the ball quite realistically bouncing from surfaces it hits. Now I'd like to make it spin from the friction of the hit. Showing this is simple enough: I ...