| 1 | // |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions |
| 4 | // are met: |
| 5 | // * Redistributions of source code must retain the above copyright |
| 6 | // notice, this list of conditions and the following disclaimer. |
| 7 | // * Redistributions in binary form must reproduce the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer in the |
| 9 | // documentation and/or other materials provided with the distribution. |
| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
| 11 | // contributors may be used to endorse or promote products derived |
| 12 | // from this software without specific prior written permission. |
| 13 | // |
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | // |
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 29 | |
| 30 | #ifndef PX_CONTACTJOINT_H |
| 31 | #define PX_CONTACTJOINT_H |
| 32 | |
| 33 | #include "extensions/PxJoint.h" |
| 34 | |
| 35 | #if !PX_DOXYGEN |
| 36 | namespace physx |
| 37 | { |
| 38 | #endif |
| 39 | |
| 40 | class PxContactJoint; |
| 41 | |
| 42 | /** |
| 43 | \brief Create a distance Joint. |
| 44 | |
| 45 | \param[in] physics The physics SDK |
| 46 | \param[in] actor0 An actor to which the joint is attached. NULL may be used to attach the joint to a specific point in the world frame |
| 47 | \param[in] localFrame0 The position and orientation of the joint relative to actor0 |
| 48 | \param[in] actor1 An actor to which the joint is attached. NULL may be used to attach the joint to a specific point in the world frame |
| 49 | \param[in] localFrame1 The position and orientation of the joint relative to actor1 |
| 50 | |
| 51 | @see PxContactJoint |
| 52 | */ |
| 53 | PxContactJoint* PxContactJointCreate(PxPhysics& physics, PxRigidActor* actor0, const PxTransform& localFrame0, PxRigidActor* actor1, const PxTransform& localFrame1); |
| 54 | |
| 55 | /** |
| 56 | \brief a joint that maintains an upper or lower bound (or both) on the distance between two points on different objects |
| 57 | |
| 58 | @see PxContactJointCreate PxJoint |
| 59 | */ |
| 60 | |
| 61 | struct PxJacobianRow |
| 62 | { |
| 63 | PxVec3 linear0; |
| 64 | PxVec3 linear1; |
| 65 | PxVec3 angular0; |
| 66 | PxVec3 angular1; |
| 67 | |
| 68 | PxJacobianRow(){} |
| 69 | |
| 70 | PxJacobianRow(const PxVec3& lin0, const PxVec3& lin1, const PxVec3& ang0, const PxVec3& ang1) : |
| 71 | linear0(lin0), linear1(lin1), angular0(ang0), angular1(ang1) |
| 72 | { |
| 73 | |
| 74 | } |
| 75 | |
| 76 | void operator *= (const PxReal scale) |
| 77 | { |
| 78 | linear0 *= scale; |
| 79 | linear1 *= scale; |
| 80 | angular0 *= scale; |
| 81 | angular1 *= scale; |
| 82 | } |
| 83 | |
| 84 | PxJacobianRow operator * (const PxReal scale) const |
| 85 | { |
| 86 | return PxJacobianRow(linear0*scale, linear1*scale, angular0*scale, angular1*scale); |
| 87 | } |
| 88 | }; |
| 89 | |
| 90 | /** |
| 91 | \brief a joint that maintains an upper or lower bound (or both) on the distance between two points on different objects |
| 92 | |
| 93 | @see PxContactJointCreate PxJoint |
| 94 | */ |
| 95 | class PxContactJoint : public PxJoint |
| 96 | { |
| 97 | public: |
| 98 | |
| 99 | /** |
| 100 | \brief Set the current contact of the joint |
| 101 | */ |
| 102 | virtual void setContact(const PxVec3& contact) = 0; |
| 103 | |
| 104 | /** |
| 105 | \brief Set the current contact normal of the joint |
| 106 | */ |
| 107 | virtual void setContactNormal(const PxVec3& contactNormal) = 0; |
| 108 | |
| 109 | /** |
| 110 | \brief Set the current penetration of the joint |
| 111 | */ |
| 112 | virtual void setPenetration(const PxReal penetration) = 0; |
| 113 | |
| 114 | /** |
| 115 | \brief Return the current contact of the joint |
| 116 | */ |
| 117 | virtual PxVec3 getContact() const = 0; |
| 118 | |
| 119 | /** |
| 120 | \brief Return the current contact normal of the joint |
| 121 | */ |
| 122 | virtual PxVec3 getContactNormal() const = 0; |
| 123 | |
| 124 | /** |
| 125 | \brief Return the current penetration value of the joint |
| 126 | */ |
| 127 | virtual PxReal getPenetration() const = 0; |
| 128 | |
| 129 | virtual PxReal getResititution() const = 0; |
| 130 | virtual void setResititution(const PxReal resititution) = 0; |
| 131 | virtual PxReal getBounceThreshold() const = 0; |
| 132 | virtual void setBounceThreshold(const PxReal bounceThreshold) = 0; |
| 133 | |
| 134 | /** |
| 135 | \brief Returns string name of PxContactJoint, used for serialization |
| 136 | */ |
| 137 | virtual const char* getConcreteTypeName() const { return "PxContactJoint" ; } |
| 138 | |
| 139 | virtual void computeJacobians(PxJacobianRow* jacobian) const = 0; |
| 140 | virtual PxU32 getNbJacobianRows() const = 0; |
| 141 | |
| 142 | protected: |
| 143 | //serialization |
| 144 | |
| 145 | /** |
| 146 | \brief Constructor |
| 147 | */ |
| 148 | PX_INLINE PxContactJoint(PxType concreteType, PxBaseFlags baseFlags) : PxJoint(concreteType, baseFlags) {} |
| 149 | |
| 150 | /** |
| 151 | \brief Deserialization constructor |
| 152 | */ |
| 153 | PX_INLINE PxContactJoint(PxBaseFlags baseFlags) : PxJoint(baseFlags) {} |
| 154 | |
| 155 | /** |
| 156 | \brief Returns whether a given type name matches with the type of this instance |
| 157 | */ |
| 158 | virtual bool isKindOf(const char* name) const { return !::strcmp(s1: "PxContactJoint" , s2: name) || PxJoint::isKindOf(name); } |
| 159 | |
| 160 | //~serialization |
| 161 | }; |
| 162 | |
| 163 | #if !PX_DOXYGEN |
| 164 | } |
| 165 | #endif |
| 166 | |
| 167 | |
| 168 | #endif |
| 169 | |