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Fast 3D triangle-box overlap testing

Published:31 July 2005Publication History

ABSTRACT

A fast routine for testing whether a triangle and a box are overlapping in three dimensions is presented. The test is derived using the separating axis theorem, whereafter the test is simplified and the code is optimized for speed. We show that this approach is 2.3 vs. 3.8 (PC vs. Sun) times faster than previous routines for this. It can be used for faster collision detection and faster voxelization in interactive ray tracers. The code is available online.

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  • Published in

    cover image ACM Conferences
    SIGGRAPH '05: ACM SIGGRAPH 2005 Courses
    July 2005
    7157 pages
    ISBN:9781450378338
    DOI:10.1145/1198555

    Copyright © 2005 ACM

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    • Published: 31 July 2005

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