// Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of NVIDIA CORPORATION nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved. // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. #ifndef PXG_SOLVER_CONSTRAINT_1D_H #define PXG_SOLVER_CONSTRAINT_1D_H #include "foundation/PxVec3.h" #include "PxConstraintDesc.h" #include "PxgSolverConstraintDesc.h" #include "DySolverConstraintTypes.h" #include "CmSpatialVector.h" namespace physx { struct PxgSolverConstraint1DHeader { float4 body0WorldOffset_linBreakImpulse; //Strict ordering required - invInertiaScale0->invMassScale0->invInertiaScale1->invMassScale1. Do not change! PxReal invInertiaScale0; PxReal invMassScale0; PxReal invInertiaScale1; PxReal invMassScale1; PxU32 rowCounts; // numbers of rows each 1D constraints PxU32 breakable; // indicate whether the constraint are breakable or not PxReal angBreakImpulse; PxU32 writeBackOffset; }; PX_COMPILE_TIME_ASSERT(sizeof(PxgSolverConstraint1DHeader) == 48); PX_ALIGN_PREFIX(16) struct PxgSolverConstraint1DCon { PxVec3 ang0; //12 12 PxVec3 lin0; //12 24 PxVec3 ang1; //12 36 PxVec3 lin1; //12 48 Cm::UnAlignedSpatialVector deltaVA; //24 72 Cm::UnAlignedSpatialVector deltaVB; //24 96 PxReal minImpulse; //4 100 PxReal maxImpulse; //4 104 PxReal velMultiplier; //4 108 PxReal impulseMultiplier; //4 112 } PX_ALIGN_SUFFIX(16); PX_COMPILE_TIME_ASSERT(sizeof(PxgSolverConstraint1DCon) == 112); struct PxgSolverConstraint1DMod { PxVec3 ang0Writeback; //!< unscaled angular velocity projection (body 0) PxReal constant; //!< constant PxReal unbiasedConstant; //!< unbiased constant PxReal appliedForce; //!< applied force to correct velocity+bias PxU32 flags; }; struct PxgTGSSolverConstraint1DHeader { PxU16 rowCounts; // numbers of rows each 1D constraints PxU16 breakable; // indicate whether the constraint are breakable or not PxReal linBreakImpulse; PxReal angBreakImpulse; PxU32 writeBackOffset; PxVec4 raWorld; PxVec4 rbWorld; //Strict ordering required - invInertiaScale0->invMassScale0->invInertiaScale1->invMassScale1. Do not change! PxReal invInertiaScale0; PxReal invMassScale0; PxReal invInertiaScale1; PxReal invMassScale1; //There is no orthogonalization with articulation constraints, so we do not need to //add anything to reflect that in this code! }; PX_ALIGN_PREFIX(16) struct PxgTGSSolverConstraint1DCon { PxVec3 ang0; //12 12 PxVec3 lin0; //12 24 PxVec3 ang1; //12 36 PxVec3 lin1; //12 48 Cm::UnAlignedSpatialVector deltaVA; //24 72 Cm::UnAlignedSpatialVector deltaVB; //24 96 PxReal minImpulse; //4 100 PxReal maxImpulse; //4 104 PxReal velMultiplier; //4 108 PxReal impulseMultiplier; //4 112 PxReal error; //4 116 PxReal velTarget; //4 120 PxReal recipResponse; //4 124 PxReal angularErrorScale; //4 128 } PX_ALIGN_SUFFIX(16); PX_COMPILE_TIME_ASSERT(sizeof(PxgTGSSolverConstraint1DCon) == 128); struct PxgTGSSolverConstraint1DMod { PxReal appliedForce; //!< applied force to correct velocity+bias PxReal maxBias; PxReal biasScale; PxU32 flags; }; struct PxgJointParams { PxgSolverConstraint1DHeader* jointHeader; PxgSolverConstraint1DCon* jointCon; PxgSolverConstraint1DMod* jointMod; }; struct PxgTGSJointParams { PxgTGSSolverConstraint1DHeader* jointHeader; PxgTGSSolverConstraint1DCon* jointCon; PxgTGSSolverConstraint1DMod* jointMod; }; } #endif