Questions tagged [convex]

"Convex" describes a shape whose interior angles are all less than 180 degrees - it has no concave valleys anywhere. Convex polygons and convex polyhedra are often used in collision detection, because they're simpler to evaluate than concave shapes.

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7 votes
2 answers
637 views

Shrink a convex polygon

Shrinking a concave polygon is quite hard, to do well. But I expect shrinking a convex polygon would be easy. The naive approach of moving each vertex a certain distance to the centre gives me poor ...
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1 vote
2 answers
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How do I test for collisions between two concave shapes decomposed into collections of convex polyhedra?

I am using convex decomposition with SAT (separating axis theorem) and I generate two arrays of convex pieces, How do I submit my arrays to my collision detection method which only takes two arguments....
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1 vote
3 answers
8k views

Invalid AABB aabb

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5 votes
1 answer
4k views

Space Shooter Unity 5 Collisions not working

After upgrading the official Space Shooter Tutorial to Unity 5, collisions stop working. Additionally, the following error is reported: Non-convex MeshColliders with non-kinematic Rigidbodies are no ...
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