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Evaluating a point on a bzier curve.

Graphics and GPU Programming Programming OpenGL

Started by Beatcow July 20, 2009 10:04 AM

1 comment, last by Beatcow 14 years, 9 months ago

Beatcow

122

Author

July 20, 2009 10:04 AM

Hey all, I was wondering if it is possible to use OpenGL evaluators to retrieve x,y,z coordinates for a given time "t" on a bézier curve. I could evaluate the curve manually, but I'd rather use an evaluator in this case. A similar, but unanswered, thread was posted HERE Edit: Darned subject line typos :p

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RobTheBloke

2,553

July 20, 2009 10:08 AM

Do it yourself. The evaluators are not particularly efficient, there are no hardware implementations, and the interface is a bit sucky.

this may be of some use to you....

Beatcow

122

Author

July 20, 2009 10:16 AM

Thanks for the prompt reply RobTheBloke. Evaluator efficiency was going to be my next question, but you seem to have answered that. Thanks!

This topic is closed to new replies.

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