Tagged Questions
4
votes
3answers
156 views
Fast method of detecting whether point is inside mesh
I'm trying to construct a 3d object from a large number of particles. I think this is called BVH (Bounding volume hierarchy). I figured the best way is to draw the particles inside the mesh, then let ...
1
vote
0answers
88 views
Sketchy results from ray-plane intersection code
I've set up a demo with simple first-person controls using C++ and OpenGL, and it seems to work reasonably well. My goal is this: when the player looks at a plane and clicks the left mouse button, ...
4
votes
1answer
662 views
Closest point on an ellipsoid
I need to know how to get the closest point on the surface of an ellipsoid to another point.
I had an idea, but apparently i was wrong, and oversimplfying.
What i did was squash the ellipsoid and ...
4
votes
1answer
537 views
Ellipsoid v. Box collision detection
I'm trying to write some collision detection code.
ATM i have the code properly resolving Ellipsoid v. Ellipsoid collisions, and Box v. Box collisions, but Ellipsoid v. Box collisions doesnt work.
...
7
votes
5answers
1k views
How to determine which cells in a grid intersect with a given triangle?
I'm currently writing a 2D AI simulation, but I'm not completely certain how to check whether the position of an agent is within the field of view of another.
Currently, my world partitioning is ...
