NvCloth library v1.0.0

1 files changed, 131 insertions, 0 deletions

diff --git a/NvCloth/src/ClothBase.h b/NvCloth/src/ClothBase.h
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+++ b/NvCloth/src/ClothBase.h
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+// 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) 2008-2017 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+namespace nv
+{
+namespace cloth
+{
+
+/* helper functions shared between SwCloth and CuCloth */
+
+template <typename Cloth>
+void initialize(Cloth& cloth, const physx::PxVec4* pIt, const physx::PxVec4* pEnd)
+{
+	// initialize particles bounding box
+	physx::PxVec4 lower = physx::PxVec4(FLT_MAX), upper = -lower;
+	for (; pIt != pEnd; ++pIt)
+	{
+		lower = lower.minimum(*pIt);
+		upper = upper.maximum(*pIt);
+	}
+	physx::PxVec4 center = (upper + lower) * 0.5f;
+	physx::PxVec4 extent = (upper - lower) * 0.5f;
+	cloth.mParticleBoundsCenter = reinterpret_cast<const physx::PxVec3&>(center);
+	cloth.mParticleBoundsHalfExtent = reinterpret_cast<const physx::PxVec3&>(extent);
+
+	cloth.mGravity = physx::PxVec3(0.0f);
+	cloth.mLogDamping = physx::PxVec3(0.0f);
+	cloth.mLinearLogDrag = physx::PxVec3(0.0f);
+	cloth.mAngularLogDrag = physx::PxVec3(0.0f);
+	cloth.mLinearInertia = physx::PxVec3(1.0f);
+	cloth.mAngularInertia = physx::PxVec3(1.0f);
+	cloth.mCentrifugalInertia = physx::PxVec3(1.0f);
+	cloth.mSolverFrequency = 300.0f;
+	cloth.mStiffnessFrequency = 10.0f;
+	cloth.mTargetMotion = physx::PxTransform(physx::PxIdentity);
+	cloth.mCurrentMotion = physx::PxTransform(physx::PxIdentity);
+	cloth.mLinearVelocity = physx::PxVec3(0.0f);
+	cloth.mAngularVelocity = physx::PxVec3(0.0f);
+	cloth.mPrevIterDt = 0.0f;
+	cloth.mIterDtAvg = MovingAverage(30);
+	cloth.mTetherConstraintLogStiffness = float(-FLT_MAX_EXP);
+	cloth.mTetherConstraintScale = 1.0f;
+	cloth.mMotionConstraintScale = 1.0f;
+	cloth.mMotionConstraintBias = 0.0f;
+	cloth.mMotionConstraintLogStiffness = float(-FLT_MAX_EXP);
+	cloth.mWind = physx::PxVec3(0.0f);
+	cloth.mDragLogCoefficient = 0.0f;
+	cloth.mLiftLogCoefficient = 0.0f;
+	cloth.mEnableContinuousCollision = false;
+	cloth.mCollisionMassScale = 0.0f;
+	cloth.mFriction = 0.0f;
+	cloth.mSelfCollisionDistance = 0.0f;
+	cloth.mSelfCollisionLogStiffness = float(-FLT_MAX_EXP);
+	cloth.mSleepTestInterval = uint32_t(-1);
+	cloth.mSleepAfterCount = uint32_t(-1);
+	cloth.mSleepThreshold = 0.0f;
+	cloth.mSleepPassCounter = 0;
+	cloth.mSleepTestCounter = 0;
+}
+
+template <typename DstCloth, typename SrcCloth>
+void copy(DstCloth& dstCloth, const SrcCloth& srcCloth)
+{
+	dstCloth.mParticleBoundsCenter = srcCloth.mParticleBoundsCenter;
+	dstCloth.mParticleBoundsHalfExtent = srcCloth.mParticleBoundsHalfExtent;
+	dstCloth.mGravity = srcCloth.mGravity;
+	dstCloth.mLogDamping = srcCloth.mLogDamping;
+	dstCloth.mLinearLogDrag = srcCloth.mLinearLogDrag;
+	dstCloth.mAngularLogDrag = srcCloth.mAngularLogDrag;
+	dstCloth.mLinearInertia = srcCloth.mLinearInertia;
+	dstCloth.mAngularInertia = srcCloth.mAngularInertia;
+	dstCloth.mCentrifugalInertia = srcCloth.mCentrifugalInertia;
+	dstCloth.mSolverFrequency = srcCloth.mSolverFrequency;
+	dstCloth.mStiffnessFrequency = srcCloth.mStiffnessFrequency;
+	dstCloth.mTargetMotion = srcCloth.mTargetMotion;
+	dstCloth.mCurrentMotion = srcCloth.mCurrentMotion;
+	dstCloth.mLinearVelocity = srcCloth.mLinearVelocity;
+	dstCloth.mAngularVelocity = srcCloth.mAngularVelocity;
+	dstCloth.mPrevIterDt = srcCloth.mPrevIterDt;
+	dstCloth.mIterDtAvg = srcCloth.mIterDtAvg;
+	dstCloth.mTetherConstraintLogStiffness = srcCloth.mTetherConstraintLogStiffness;
+	dstCloth.mTetherConstraintScale = srcCloth.mTetherConstraintScale;
+	dstCloth.mMotionConstraintScale = srcCloth.mMotionConstraintScale;
+	dstCloth.mMotionConstraintBias = srcCloth.mMotionConstraintBias;
+	dstCloth.mMotionConstraintLogStiffness = srcCloth.mMotionConstraintLogStiffness;
+	dstCloth.mWind = srcCloth.mWind;
+	dstCloth.mDragLogCoefficient = srcCloth.mDragLogCoefficient;
+	dstCloth.mLiftLogCoefficient = srcCloth.mLiftLogCoefficient;
+	dstCloth.mEnableContinuousCollision = srcCloth.mEnableContinuousCollision;
+	dstCloth.mCollisionMassScale = srcCloth.mCollisionMassScale;
+	dstCloth.mFriction = srcCloth.mFriction;
+	dstCloth.mSelfCollisionDistance = srcCloth.mSelfCollisionDistance;
+	dstCloth.mSelfCollisionLogStiffness = srcCloth.mSelfCollisionLogStiffness;
+	dstCloth.mSleepTestInterval = srcCloth.mSleepTestInterval;
+	dstCloth.mSleepAfterCount = srcCloth.mSleepAfterCount;
+	dstCloth.mSleepThreshold = srcCloth.mSleepThreshold;
+	dstCloth.mSleepPassCounter = srcCloth.mSleepPassCounter;
+	dstCloth.mSleepTestCounter = srcCloth.mSleepTestCounter;
+	dstCloth.mUserData = srcCloth.mUserData;
+}
+
+} // namespace cloth
+} // namespace nv