Re: [Algorithms] Kinematic Collision
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From: <Pau...@sc...> - 2009-09-02 13:16:32
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 > About the the inner hull sweeptest, this is kinda inverted to my > bias, with my bias I did a sweep > using a larger hull and then when finding collision i calculate the > position to intersection and > subtract the bias. To me they are both the same but I'll definitely > give it a try. The trouble with the way you're doing it is that you are physically moving the capsule to a place where it wasn't the frame/iteration beforehand (it will move a little before the start of its travel, by your bias). Where as, if you use the inner hull, you do move the object back as well but you never end up before where you started because you always do the TOI test with the smaller inner hull. It may seem like a subtle difference, but its very important for stability :) Cheers, Paul. ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify pos...@sc... This footnote also confirms that this email message has been checked for all known viruses. Sony Computer Entertainment Europe Limited Registered Office: 10 Great Marlborough Street, London W1F 7LP, United Kingdom Registered in England: 3277793 ********************************************************************** P Please consider the environment before printing this e-mail -----BEGIN PGP SIGNATURE----- Version: PGP Universal 2.9.1 (Build 287) Charset: US-ASCII wsBVAwUBSp5wH3ajGqjtoMHxAQhBfwf/XfvMuFoJVIVAgf+hhdpZhYIYEzt7axM6 mIe5/6fu47TeG5hsjIGNmcmhRb69U+C2+2eyg2dqOsF+dDJQSM92/rXDCWwRXJaQ vSA1UhiogPziIaOWePd1eyg3e3Dyo1gZACJ5nH6jGurjc0sG5OA3K+lKczzJ+87h UKJd2jywM9xgHdNXsMGy2LViEbglqSfeoSLAptAjYP9GLn1xUkr/20URyLRKftY0 KaJ9lTsgggbePKo2qcmtnFe+8inVqW4xsPptMN3Ap2Y4pLIi+GdtmkrHjv2QfMYJ 12vB1GoimhwgZOHLFeOfEBDYDqAOBxHwDLkBSY89OLg2LYtW/Yltdg== =J9mp -----END PGP SIGNATURE----- |