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Paper Abstract and Keywords
Presentation 2023-03-06 16:15
A Study on Improving the Accuracy of Continuous Collision Detection of Rotating Rigid Bodies in Real-Time Graphics
Hikaru Yamamoto, Masaki Abe, Taichi Watanabe (TUT)
Abstract (in Japanese) (See Japanese page) 
(in English) Few of the CCD (Continuous Collision Detection) methods in today's computer games deal with rotational motion. In addition, the Speculative CCD method of Unity, which is an example of a method that addresses rotational motion, has the problem of low accuracy in collision determination. To solve this problem, this study aimed to improve the accuracy of continuous collision determination for rotating rigid bodies by interpolating the rotational motion trajectory by a fan shape, which is an approximate shape of the rotational motion trajectory. In this paper, we define and propose an interference determination between a fan shape and several primitive shapes.
Keyword (in Japanese) (See Japanese page) 
(in English) Real-Time Graphics / Discrete Collision Detection / Continuous Collision Detection / Fan Shape / Rotating Rigid Body / / /  
Reference Info. ITE Tech. Rep., vol. 47, pp. 139-142, March 2023.
Paper #  
Date of Issue 2023-02-27 (AIT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2023-03-06 - 2023-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Polytechnic Univ. (Nakano) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Expressive Japan 2023 
Paper Information
Registration To AS 
Conference Code 2023-03-AIT-IIEEJ-AS-ARTS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Improving the Accuracy of Continuous Collision Detection of Rotating Rigid Bodies in Real-Time Graphics 
Sub Title (in English)  
Keyword(1) Real-Time Graphics  
Keyword(2) Discrete Collision Detection  
Keyword(3) Continuous Collision Detection  
Keyword(4) Fan Shape  
Keyword(5) Rotating Rigid Body  
1st Author's Name Hikaru Yamamoto  
1st Author's Affiliation Tokyo University of Technology (TUT)
2nd Author's Name Masaki Abe  
2nd Author's Affiliation Tokyo University of Technology (TUT)
3rd Author's Name Taichi Watanabe  
3rd Author's Affiliation Tokyo University of Technology (TUT)
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Speaker Author-1 
Date Time 2023-03-06 16:15:00 
Presentation Time 12 minutes 
Registration for AS 
Paper # AIT2023-72 
Volume (vol) vol.47 
Number (no) no.9 
Page pp.139-142 
Date of Issue 2023-02-27 (AIT) 

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