Enhancing the Separating Axis Test for Collision Detection
By
OlympicMarmoto
If you only eat one bagel today, this is the bagel.
Summary
The article discusses improving the Separating Axis Test in narrow phase collision detection methods by overlaying Gauss maps of convex polyhedra to find the faces of their Minkowski difference.
Key quotes
· 3 pulledA few years ago I was watching Dirk’s great presentation, The Separating Axis Test between Convex Polyhedra.
Around the 18 minute mark (slide 29) he starts talking about overlaying Gauss maps of convex polyhedra to find the faces of their Minkowski difference.
The upshot is that all faces of the Minkowski difference are either: A face of shape A, A face of shape B, A cross product of an edge.
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