void PxCloth::setTransform( const MatrixF &mat )
{
Parent::setTransform( mat );
setMaskBits( TransformMask );
// Only need to do this if we're on the server
// or if we're not currently ticking physics.
if ( !mWorld || !mWorld->isEnabled() )
_updateStaticCloth();
}
void PxCloth::inspectPostApply()
{
Parent::inspectPostApply();
// Must have at least 2 verts.
mPatchVerts.x = getMax( 2, mPatchVerts.x );
mPatchVerts.y = getMax( 2, mPatchVerts.y );
if ( isServerObject() )
_updateStaticCloth();
setMaskBits( TransformMask | MaterialMask | ClothMask );
}
bool PxCloth::_createClothPatch()
{
// Make sure we have a mesh.
if ( !mClothMesh )
{
_initClothMesh();
if ( !mClothMesh )
return false;
}
// Make sure we can change the world.
mWorld->releaseWriteLock();
_releaseCloth();
NxClothDesc desc;
desc.globalPose.setRowMajor44( getTransform() );
desc.thickness = mThickness;
desc.density = mDensity;
desc.bendingStiffness = mBendingStiffness;
desc.dampingCoefficient = mDampingCoefficient;
desc.friction = mFriction;
// start jc
// todo: expose this
desc.sleepLinearVelocity = 0.0000001f;
// end jc
if ( mBendingEnabled )
desc.flags |= NX_CLF_BENDING;
if ( mDampingEnabled )
desc.flags |= NX_CLF_DAMPING;
if ( mTriangleCollisionEnabled )
desc.flags |= NX_CLF_TRIANGLE_COLLISION;
if ( mSelfCollisionEnabled )
desc.flags |= NX_CLF_SELFCOLLISION;
desc.clothMesh = mClothMesh;
desc.meshData = mReceiveBuffers;
if ( !desc.isValid() )
return false;
mCloth = mScene->createCloth( desc );
mIsVBDirty = true;
_updateStaticCloth();
_setupAttachments();
return true;
}
bool PxCloth::onAdd()
{
if ( !Parent::onAdd() )
return false;
// Cloth is only created on the client.
if ( isClientObject() )
{
mWorld = dynamic_cast<PxWorld*>( PHYSICSMGR->getWorld( "client" ) );
if ( !mWorld || !mWorld->getScene() )
{
Con::errorf( "PxCloth::onAdd() - PhysXWorld not initialized... cloth disabled!" );
return true;
}
mScene = mWorld->getScene();
mResetXfm = getTransform();
_createClothPatch();
PhysicsPlugin::getPhysicsResetSignal().notify( this, &PxCloth::onPhysicsReset, 1053.0f );
}
// On the server we use the static update
// to setup the bounds of the cloth.
if ( isServerObject() )
_updateStaticCloth();
addToScene();
// Also the server object never ticks.
if ( isServerObject() )
setProcessTick( false );
return true;
}
