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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp')
| -rw-r--r-- | PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp b/PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp new file mode 100644 index 00000000..418fecf3 --- /dev/null +++ b/PhysX_3.4/Source/PhysXExtensions/src/ExtPrismaticJoint.cpp @@ -0,0 +1,219 @@ +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and related documentation and +// any modifications thereto. Any use, reproduction, disclosure, or +// distribution of this software and related documentation without an express +// license agreement from NVIDIA Corporation is strictly prohibited. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved. +// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. +// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. + + +#include "ExtPrismaticJoint.h" +#include "ExtConstraintHelper.h" +#include "CmRenderOutput.h" +#include "CmVisualization.h" + +#include "common/PxSerialFramework.h" + +using namespace physx; +using namespace Ext; + +PxPrismaticJoint* physx::PxPrismaticJointCreate(PxPhysics& physics, + PxRigidActor* actor0, const PxTransform& localFrame0, + PxRigidActor* actor1, const PxTransform& localFrame1) +{ + PX_CHECK_AND_RETURN_NULL(localFrame0.isSane(), "PxPrismaticJointCreate: local frame 0 is not a valid transform"); + PX_CHECK_AND_RETURN_NULL(localFrame1.isSane(), "PxPrismaticJointCreate: local frame 1 is not a valid transform"); + PX_CHECK_AND_RETURN_NULL((actor0 && actor0->is<PxRigidBody>()) || (actor1 && actor1->is<PxRigidBody>()), "PxPrismaticJointCreate: at least one actor must be dynamic"); + PX_CHECK_AND_RETURN_NULL(actor0 != actor1, "PxPrismaticJointCreate: actors must be different"); + + PrismaticJoint* j; + PX_NEW_SERIALIZED(j,PrismaticJoint)(physics.getTolerancesScale(), actor0, localFrame0, actor1, localFrame1); + + if(j->attach(physics, actor0, actor1)) + return j; + + PX_DELETE(j); + return NULL; +} + +void PrismaticJoint::setProjectionAngularTolerance(PxReal tolerance) +{ + PX_CHECK_AND_RETURN(PxIsFinite(tolerance) && tolerance >=0 && tolerance <= PxPi, "PxPrismaticJoint::setProjectionAngularTolerance: invalid parameter"); + data().projectionAngularTolerance = tolerance; + markDirty(); +} + +PxReal PrismaticJoint::getProjectionAngularTolerance() const +{ + return data().projectionAngularTolerance; +} + +void PrismaticJoint::setProjectionLinearTolerance(PxReal tolerance) +{ + PX_CHECK_AND_RETURN(PxIsFinite(tolerance) && tolerance >=0, "PxPrismaticJoint::setProjectionLinearTolerance: invalid parameter"); + data().projectionLinearTolerance = tolerance; + markDirty(); +} + +PxReal PrismaticJoint::getProjectionLinearTolerance() const +{ + return data().projectionLinearTolerance; +} + +PxPrismaticJointFlags PrismaticJoint::getPrismaticJointFlags(void) const +{ + return data().jointFlags; +} + +void PrismaticJoint::setPrismaticJointFlags(PxPrismaticJointFlags flags) +{ + data().jointFlags = flags; markDirty(); +} + +void PrismaticJoint::setPrismaticJointFlag(PxPrismaticJointFlag::Enum flag, bool value) +{ + if(value) + data().jointFlags |= flag; + else + data().jointFlags &= ~flag; + markDirty(); +} + + +PxJointLinearLimitPair PrismaticJoint::getLimit() const +{ + return data().limit; +} + +void PrismaticJoint::setLimit(const PxJointLinearLimitPair& limit) +{ + PX_CHECK_AND_RETURN(limit.isValid(), "PxPrismaticJoint::setLimit: invalid parameter"); + data().limit = limit; + markDirty(); +} + + + +namespace +{ + + +void PrismaticJointVisualize(PxConstraintVisualizer& viz, + const void* constantBlock, + const PxTransform& body0Transform, + const PxTransform& body1Transform, + PxU32 /*flags*/) +{ + const PrismaticJointData& data = *reinterpret_cast<const PrismaticJointData*>(constantBlock); + + const PxTransform& t0 = body0Transform * data.c2b[0]; + const PxTransform& t1 = body1Transform * data.c2b[1]; + + viz.visualizeJointFrames(t0, t1); + + PxVec3 axis = t0.rotate(PxVec3(1.f,0,0)); + PxReal ordinate = axis.dot(t0.transformInv(t1.p)-t0.p); + + if(data.jointFlags & PxPrismaticJointFlag::eLIMIT_ENABLED) + { + viz.visualizeLinearLimit(t0, t1, data.limit.lower, ordinate < data.limit.lower + data.limit.contactDistance); + viz.visualizeLinearLimit(t0, t1, data.limit.upper, ordinate > data.limit.upper - data.limit.contactDistance); + } + +} + + + +void PrismaticJointProject(const void* constantBlock, + PxTransform& bodyAToWorld, + PxTransform& bodyBToWorld, + bool projectToA) +{ + using namespace joint; + + const PrismaticJointData& data = *reinterpret_cast<const PrismaticJointData*>(constantBlock); + + PxTransform cA2w, cB2w, cB2cA, projected; + computeDerived(data, bodyAToWorld, bodyBToWorld, cA2w, cB2w, cB2cA); + + PxVec3 v(0,cB2cA.p.y,cB2cA.p.z); + bool linearTrunc, angularTrunc; + projected.p = truncateLinear(v, data.projectionLinearTolerance, linearTrunc); + projected.q = truncateAngular(cB2cA.q, PxSin(data.projectionAngularTolerance/2), PxCos(data.projectionAngularTolerance/2), angularTrunc); + + if(linearTrunc || angularTrunc) + { + projected.p.x = cB2cA.p.x; + projectTransforms(bodyAToWorld, bodyBToWorld, cA2w, cB2w, projected, data, projectToA); + } +} +} + +bool Ext::PrismaticJoint::attach(PxPhysics &physics, PxRigidActor* actor0, PxRigidActor* actor1) +{ + mPxConstraint = physics.createConstraint(actor0, actor1, *this, sShaders, sizeof(PrismaticJointData)); + return mPxConstraint!=NULL; +} + +void PrismaticJoint::exportExtraData(PxSerializationContext& stream) +{ + if(mData) + { + stream.alignData(PX_SERIAL_ALIGN); + stream.writeData(mData, sizeof(PrismaticJointData)); + } + stream.writeName(mName); +} + +void PrismaticJoint::importExtraData(PxDeserializationContext& context) +{ + if(mData) + mData = context.readExtraData<PrismaticJointData, PX_SERIAL_ALIGN>(); + context.readName(mName); +} + +void PrismaticJoint::resolveReferences(PxDeserializationContext& context) +{ + setPxConstraint(resolveConstraintPtr(context, getPxConstraint(), getConnector(), sShaders)); +} + +PrismaticJoint* PrismaticJoint::createObject(PxU8*& address, PxDeserializationContext& context) +{ + PrismaticJoint* obj = new (address) PrismaticJoint(PxBaseFlag::eIS_RELEASABLE); + address += sizeof(PrismaticJoint); + obj->importExtraData(context); + obj->resolveReferences(context); + return obj; +} + +// global function to share the joint shaders with API capture +const PxConstraintShaderTable* Ext::GetPrismaticJointShaderTable() +{ + return &PrismaticJoint::getConstraintShaderTable(); +} + +//~PX_SERIALIZATION +PxConstraintShaderTable Ext::PrismaticJoint::sShaders = { Ext::PrismaticJointSolverPrep, PrismaticJointProject, PrismaticJointVisualize, PxConstraintFlag::Enum(0) }; + + |