Tagged Questions

0
votes
0answers
61 views

3d collision detection on non flat surface

i am developing a game which needs an accurate collision detection algorithm, when a object travels down a slope which isn't flat. To be more precise i need to simulate a skier who travels down a ...
0
votes
1answer
95 views

XNA 3D model collision is inaccurate

I am creating a classic game in 3d that deals with asteriods and you have to shoot them and avoid being hit from them. I can generate the asteroids just fine and the ship can shoot bullets just fine. ...
1
vote
2answers
88 views

3d Collision detection help xna?

I was hoping if you could help me out here. I'm developing a 3d table tennis game, and got the collision detection working perfectly when the ball hits the racket. However, now I would like the ball ...
3
votes
3answers
193 views

XNA: Perform Collision Detection Against 3D Scene Geometry

How would one perform collision detection between a simple scene like the one below and a simple object like a sphere? I assume the best solution would involve convex hulls in some way but I have no ...
5
votes
3answers
608 views

Android collision detection of a 3d object based on a 2d projection

I am writing a game for android. We have an orthographic view setup, but the characters (ships, projectiles, etc). The enemies / characters will be able to rotate about the x axis. The problem is that ...
1
vote
1answer
276 views

XNA Automatic Collision detection from model?

This is going to be a rather vague question xD In XNA is there a way of working out if a point or rectangle is colliding with a 3D .x object? It is a big model, and would take a long time to map out ...
5
votes
4answers
175 views

detecting the coordinates where a bullet hits a mesh

I have a lot of complex objects in a scene and I'm looking for an efficient way to find which object a fired bullet hits, and to find the hit coordinates. It would be best if there was a lightweight ...
2
votes
3answers
505 views

Collision detection of convex shapes on voxel terrain

I have some standard convex shapes (cubes, capsules) on a voxel terrain. It is very easy to detect single vertex collisions. However, it becomes computationally expensive when many vertices are ...
0
votes
0answers
212 views

thinking of creating a 3d game [closed]

i just wanted to ask you guys what do i need in creating a 3d game. well lets say for a noob i just want to create a ball then..can be controlled by arrow keys and finally collision detection i am ...
7
votes
3answers
518 views

3D collision-detection middleware

(I've split this question into two. For 2D, see: http://gamedev.stackexchange.com/questions/3431/) Are there any recommendable middleware available for 3D collision detection? I believe I've heard ...