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Back off slightly when we are touching something.

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This can reduce the amount of movement solver failures significantly.
I've observed a drop of 8 iteration cases by almost factor of ten.
This commit is contained in:
logzero 2016-12-25 15:34:43 +01:00
parent 00f3bfba27
commit a5360483bb
1 changed files with 7 additions and 0 deletions
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7
apps/openmw/mwphysics/physicssystem.cpp
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@ -395,6 +395,13 @@ namespace MWPhysics
break;
}
// We are touching something.
if (tracer.mFraction < 1E-9f)
{
// Try to separate by backing off slighly to unstuck the solver
const osg::Vec3f backOff = (newPosition - tracer.mHitPoint) * 1E-3f;
newPosition += backOff;
}
// We hit something. Check if we can step up.
float hitHeight = tracer.mHitPoint.z() - tracer.mEndPos.z() + halfExtents.z();