LCP and Constraint Solver

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semi-sober
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LCP and Constraint Solver

Post by semi-sober »

Hi guys, What exactly is LCP and When do we use it and what is difference between it and Constraint Solver(impulse and..) method?
Thanks.
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Erwin Coumans
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Re: LCP and Constraint Solver

Post by Erwin Coumans »

A contact or joint constraint solver, even sequential impulse or PGS is an LCP solver, just optimized in a way that avoid explicitly creating the full matrices/vectors.

You can check out my recent GDC 2014 presentation about this topic, it covers LCP solvers:
goo.gl/84N71q (there are presenter notes). The PDF is also at this website: http://box2d.org/downloads/
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