Title

Minkowski Portal Refinement and Speculative Contacts in Box2D

Author

Joshua Newth

Publication Date

Spring 2013

Degree Type

Master's Project

Department

Computer Science

Abstract

A physics rigid body simulation engine is a fundamental component of today’s
videogames. There have been recent advancements in the fields of collision detection
and collision resolution with supposed performance gains. In this paper we evaluate
Minkowski Portal Refinement,a new collision detection routine against GJK, the current
standard. We also evaluate the speculative contacts technique for performance and
behavior against Box2D’s “conservative advancement” continuous collision detection
approach.

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