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Avoid unnecessary AABB update when actor position has not changed

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This commit is contained in:
scrawl 2017-02-23 22:35:17 +01:00
parent fb073e5c14
commit a55604c549
1 changed files with 6 additions and 2 deletions
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6
apps/openmw/mwphysics/physicssystem.cpp
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@ -1419,13 +1419,17 @@ namespace MWPhysics
osg::Vec3f position = physicActor->getPosition(); osg::Vec3f position = physicActor->getPosition();
float oldHeight = position.z(); float oldHeight = position.z();
bool positionChanged = false;
for (int i=0; i<numSteps; ++i) for (int i=0; i<numSteps; ++i)
{ {
position = MovementSolver::move(position, physicActor->getPtr(), physicActor, iter->second, physicsDt, position = MovementSolver::move(position, physicActor->getPtr(), physicActor, iter->second, physicsDt,
world->isFlying(iter->first), world->isFlying(iter->first),
waterlevel, slowFall, mCollisionWorld, mStandingCollisions); waterlevel, slowFall, mCollisionWorld, mStandingCollisions);
physicActor->setPosition(position); if (position != physicActor->getPosition())
positionChanged = true;
physicActor->setPosition(position); // always set even if unchanged to make sure interpolation is correct
} }
if (positionChanged)
mCollisionWorld->updateSingleAabb(physicActor->getCollisionObject()); mCollisionWorld->updateSingleAabb(physicActor->getCollisionObject());
float interpolationFactor = mTimeAccum / physicsDt; float interpolationFactor = mTimeAccum / physicsDt;