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Ace17

Integrator problem

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Ace17    122
I''m trying to implement a 3D physics engine. If someone knows some cool links to learn from... The problem is that I implemented a simple Euler integrator to calculate the new position from the old one and the acceleration but objects movements are jerky...

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grhodes_at_work    1385
What kind of forces are you applying to the objects? Euler integrator can work okay when all you have is gravity, but it is a poor, even *evil*, choice when you have other types of forces, especially springs.

Try Chris Hecker''s articles from game developer magazine,

http://www.d6.com/users/checker/index.htm

Or several articles from the GD mag archives (e.g., Jeff Lander''s articles):

http://www.gdmag.com/code.htm

Those are good starting points.

Graham Rhodes
Senior Scientist
Applied Research Associates, Inc.

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