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Code Issues Releases Wiki Activity

Physics: Use capsule shapes for actors if possible (Fixes #1437)

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This commit is contained in:
scrawl 2014-06-22 00:47:14 +02:00
parent e23a7694f3
commit 33ed11d8e6
2 changed files with 10 additions and 3 deletions
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11
libs/openengine/bullet/physic.cpp
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@ -29,7 +29,14 @@ namespace Physic
mMeshOrientation = Ogre::Quaternion::IDENTITY;
}
mShape.reset(new btBoxShape(BtOgre::Convert::toBullet(mHalfExtents)));
// Use capsule shape only if base is square (nonuniform scaling apparently doesn't work on it)
if (std::abs(mHalfExtents.x-mHalfExtents.y)<mHalfExtents.x*0.05 && mHalfExtents.z >= mHalfExtents.x)
{
mShape.reset(new btCapsuleShapeZ(mHalfExtents.x, mHalfExtents.z*2.f - mHalfExtents.x*2.f));
}
else
mShape.reset(new btBoxShape(BtOgre::Convert::toBullet(mHalfExtents)));
mShape->setLocalScaling(btVector3(scale,scale,scale));
btRigidBody::btRigidBodyConstructionInfo CI = btRigidBody::btRigidBodyConstructionInfo
@ -102,7 +109,7 @@ namespace Physic
Ogre::Vector3 PhysicActor::getHalfExtents() const
{
return mHalfExtents;
return mHalfExtents * mScale;
}
void PhysicActor::setInertialForce(const Ogre::Vector3 &force)

2
libs/openengine/bullet/trace.cpp
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@ -107,7 +107,7 @@ void ActorTracer::findGround(const OEngine::Physic::PhysicActor* actor, const Og
btVector3 halfExtents(actor->getHalfExtents().x, actor->getHalfExtents().y, actor->getHalfExtents().z);
halfExtents[2] = 1.0f;
btBoxShape base(halfExtents);
btCylinderShapeZ base(halfExtents);
enginePass->mDynamicsWorld->convexSweepTest(&base, from, to, newTraceCallback);
if(newTraceCallback.hasHit())