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| 8 | // notice, this list of conditions and the following disclaimer in the |
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| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
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| 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 |
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| 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_D6JOINT_CREATE_H |
| 31 | #define PX_D6JOINT_CREATE_H |
| 32 | |
| 33 | #include "common/PxPhysXCommonConfig.h" |
| 34 | |
| 35 | /** \addtogroup extensions |
| 36 | @{ |
| 37 | */ |
| 38 | |
| 39 | #if !PX_DOXYGEN |
| 40 | namespace physx |
| 41 | { |
| 42 | #endif |
| 43 | |
| 44 | class PxPhysics; |
| 45 | class PxRigidActor; |
| 46 | class PxJoint; |
| 47 | |
| 48 | /** |
| 49 | \brief Helper function to create a fixed joint, using either a PxD6Joint or PxFixedJoint. |
| 50 | |
| 51 | For fixed joints it is important that the joint frames have the same orientation. This helper function uses an identity rotation for both. |
| 52 | It is also important that the joint frames have an equivalent position in world space. The function does not check this, so it is up to users |
| 53 | to ensure that this is the case. |
| 54 | |
| 55 | \param[in] physics The physics SDK |
| 56 | \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 |
| 57 | \param[in] localPos0 The position of the joint relative to actor0 |
| 58 | \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 |
| 59 | \param[in] localPos1 The position of the joint relative to actor1 |
| 60 | \param[in] useD6 True to use a PxD6Joint, false to use a PxFixedJoint; |
| 61 | |
| 62 | \return The created joint. |
| 63 | |
| 64 | @see PxD6Joint PxFixedJoint |
| 65 | */ |
| 66 | PxJoint* PxD6JointCreate_Fixed(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, bool useD6); |
| 67 | |
| 68 | /** |
| 69 | \brief Helper function to create a distance joint, using either a PxD6Joint or PxDistanceJoint. |
| 70 | |
| 71 | This helper function only supports a maximum distance constraint, because PxD6Joint does not support a minimum distance constraint (contrary |
| 72 | to PxDistanceJoint). |
| 73 | |
| 74 | The distance is computed between the joint frames' world-space positions. The joint frames' orientations are irrelevant here so the function |
| 75 | sets them to identity. |
| 76 | |
| 77 | \param[in] physics The physics SDK |
| 78 | \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 |
| 79 | \param[in] localPos0 The position of the joint relative to actor0 |
| 80 | \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 |
| 81 | \param[in] localPos1 The position of the joint relative to actor1 |
| 82 | \param[in] maxDist The maximum allowed distance |
| 83 | \param[in] useD6 True to use a PxD6Joint, false to use a PxDistanceJoint; |
| 84 | |
| 85 | \return The created joint. |
| 86 | |
| 87 | @see PxD6Joint PxDistanceJoint |
| 88 | */ |
| 89 | PxJoint* PxD6JointCreate_Distance(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, float maxDist, bool useD6); |
| 90 | |
| 91 | /** |
| 92 | \brief Helper function to create a prismatic joint, using either a PxD6Joint or PxPrismaticJoint. |
| 93 | |
| 94 | This function enforces that the joint frames have the same orientation, which is a local frame whose X is the desired translation axis. |
| 95 | This orientation is computed by the function, so users only have to define the desired translation axis (typically 1;0;0 or 0;1;0 or 0;0;1). |
| 96 | |
| 97 | The translation can be limited. Limits are enforced if minLimit<maxLimit. If minLimit=maxLimit the axis is locked. If minLimit>maxLimit the |
| 98 | limits are not enforced and the axis is free. The limit values are computed relative to the position of actor0's joint frame. |
| 99 | |
| 100 | The function creates hard limits, and uses PhysX's default contact distance parameter. |
| 101 | |
| 102 | \param[in] physics The physics SDK |
| 103 | \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 |
| 104 | \param[in] localPos0 The position of the joint relative to actor0 |
| 105 | \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 |
| 106 | \param[in] localPos1 The position of the joint relative to actor1 |
| 107 | \param[in] axis The axis along which objects are allowed to move, expressed in the actors' local space |
| 108 | \param[in] minLimit The minimum allowed position along the axis |
| 109 | \param[in] maxLimit The maximum allowed position along the axis |
| 110 | \param[in] useD6 True to use a PxD6Joint, false to use a PxPrismaticJoint; |
| 111 | |
| 112 | \return The created joint. |
| 113 | |
| 114 | @see PxD6Joint PxPrismaticJoint |
| 115 | */ |
| 116 | PxJoint* PxD6JointCreate_Prismatic(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, const PxVec3& axis, float minLimit, float maxLimit, bool useD6); |
| 117 | |
| 118 | /** |
| 119 | \brief Helper function to create a revolute joint, using either a PxD6Joint or PxRevoluteJoint. |
| 120 | |
| 121 | This function enforces that the joint frames have the same orientation, which is a local frame whose X is the desired rotation axis. |
| 122 | This orientation is computed by the function, so users only have to define the desired rotation axis (typically 1;0;0 or 0;1;0 or 0;0;1). |
| 123 | |
| 124 | The rotation can be limited. Limits are enforced if minLimit<maxLimit. If minLimit=maxLimit the axis is locked. If minLimit>maxLimit the |
| 125 | limits are not enforced and the axis is free. The limit values are computed relative to the rotation of actor0's joint frame. |
| 126 | |
| 127 | The function creates hard limits, and uses PhysX's default contact distance parameter. |
| 128 | |
| 129 | Limits are expressed in radians. Allowed range is ]-2*PI;+2*PI[ |
| 130 | |
| 131 | \param[in] physics The physics SDK |
| 132 | \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 |
| 133 | \param[in] localPos0 The position of the joint relative to actor0 |
| 134 | \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 |
| 135 | \param[in] localPos1 The position of the joint relative to actor1 |
| 136 | \param[in] axis The axis around which objects are allowed to move, expressed in the actors' local space |
| 137 | \param[in] minLimit The minimum allowed rotation along the axis |
| 138 | \param[in] maxLimit The maximum allowed rotation along the axis |
| 139 | \param[in] useD6 True to use a PxD6Joint, false to use a PxRevoluteJoint; |
| 140 | |
| 141 | \return The created joint. |
| 142 | |
| 143 | @see PxD6Joint PxRevoluteJoint |
| 144 | */ |
| 145 | PxJoint* PxD6JointCreate_Revolute(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, const PxVec3& axis, float minLimit, float maxLimit, bool useD6); |
| 146 | |
| 147 | /** |
| 148 | \brief Helper function to create a spherical joint, using either a PxD6Joint or PxSphericalJoint. |
| 149 | |
| 150 | This function supports a cone limit shape, defined by a cone axis and two angular limit values. |
| 151 | |
| 152 | This function enforces that the joint frames have the same orientation, which is a local frame whose X is the desired cone axis. |
| 153 | This orientation is computed by the function, so users only have to define the desired cone axis (typically 1;0;0 or 0;1;0 or 0;0;1). |
| 154 | |
| 155 | The rotations can be limited. Limits are enforced if limit1>0 and limit2>0. Otherwise the motion is free. The limit values define an ellipse, |
| 156 | which is the cross-section of the cone limit shape. |
| 157 | |
| 158 | The function creates hard limits, and uses PhysX's default contact distance parameter. |
| 159 | |
| 160 | Limits are expressed in radians. Allowed range is ]0;PI[. Limits are symmetric around the cone axis. |
| 161 | |
| 162 | The cone axis is equivalent to the twist axis for the D6 joint. The twist motion is not limited. |
| 163 | |
| 164 | \param[in] physics The physics SDK |
| 165 | \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 |
| 166 | \param[in] localPos0 The position of the joint relative to actor0 |
| 167 | \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 |
| 168 | \param[in] localPos1 The position of the joint relative to actor1 |
| 169 | \param[in] axis The cone axis, expressed in the actors' local space |
| 170 | \param[in] limit1 Max angular limit for the ellipse along the joint frame's second axis (first axis = cone axis) |
| 171 | \param[in] limit2 Max angular limit for the ellipse along the joint frame's third axis (first axis = cone axis) |
| 172 | \param[in] useD6 True to use a PxD6Joint, false to use a PxSphericalJoint; |
| 173 | |
| 174 | \return The created joint. |
| 175 | |
| 176 | @see PxD6Joint PxSphericalJoint |
| 177 | */ |
| 178 | PxJoint* PxD6JointCreate_Spherical(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, const PxVec3& axis, float limit1, float limit2, bool useD6); |
| 179 | |
| 180 | /** |
| 181 | \brief Helper function to create a spherical joint, using either a PxD6Joint or PxSphericalJoint. |
| 182 | |
| 183 | This function supports a cone limit shape, defined by two pairs of angular limit values. This can be used to create an asymmetric cone. If the |
| 184 | angular limit values are symmetric (i.e. minLimit1=-maxLimit1 and minLimit2=-maxLimit2) then the cone axis is the X axis in actor0's space. |
| 185 | If the limits are not symmetric, the function rotates the cone axis accordingly so that limits remain symmetric for PhysX. If this happens, |
| 186 | the initial joint frames will be different for both actors. By default minLimit1/maxLimit1 are limits around the joint's Y axis, and |
| 187 | minLimit2/maxLimit2 are limits around the joint's Z axis. |
| 188 | |
| 189 | The function creates hard limits, and uses PhysX's default contact distance parameter. |
| 190 | |
| 191 | Limits are expressed in radians. Allowed range is ]-PI;PI[. |
| 192 | |
| 193 | The cone axis is equivalent to the twist axis for the D6 joint. The twist motion is not limited. |
| 194 | |
| 195 | The returned apiroty and apirotz values can later be added to retrieved Y and Z swing angle values (from the joint), to remap |
| 196 | angle values to the given input range. |
| 197 | |
| 198 | \param[out] apiroty Amount of rotation around Y used to setup actor0's joint frame |
| 199 | \param[out] apirotz Amount of rotation around Z used to setup actor0's joint frame |
| 200 | \param[in] physics The physics SDK |
| 201 | \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 |
| 202 | \param[in] localPos0 The position of the joint relative to actor0 |
| 203 | \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 |
| 204 | \param[in] localPos1 The position of the joint relative to actor1 |
| 205 | \param[in] minLimit1 Min angular limit along the joint frame's second axis (first axis = cone axis) |
| 206 | \param[in] maxLimit1 Max angular limit along the joint frame's second axis (first axis = cone axis) |
| 207 | \param[in] minLimit2 Min angular limit along the joint frame's third axis (first axis = cone axis) |
| 208 | \param[in] maxLimit2 Max angular limit along the joint frame's third axis (first axis = cone axis) |
| 209 | \param[in] useD6 True to use a PxD6Joint, false to use a PxSphericalJoint; |
| 210 | |
| 211 | \return The created joint. |
| 212 | |
| 213 | @see PxD6Joint PxSphericalJoint |
| 214 | */ |
| 215 | PxJoint* PxD6JointCreate_GenericCone(float& apiroty, float& apirotz, PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, float minLimit1, float maxLimit1, float minLimit2, float maxLimit2, bool useD6); |
| 216 | |
| 217 | |
| 218 | /** |
| 219 | \brief Helper function to create a D6 joint with pyramidal swing limits. |
| 220 | |
| 221 | This function supports a pyramid limit shape, defined by two pairs of angular limit values. This can be used to create an asymmetric pyramid. If the |
| 222 | angular limit values are symmetric (i.e. minLimit1=-maxLimit1 and minLimit2=-maxLimit2) then the pyramid axis is the X axis in actor0's space. |
| 223 | By default minLimit1/maxLimit1 are limits around the joint's Y axis, and minLimit2/maxLimit2 are limits around the joint's Z axis. |
| 224 | |
| 225 | The function creates hard limits, and uses PhysX's default contact distance parameter. |
| 226 | |
| 227 | Limits are expressed in radians. Allowed range is ]-PI;PI[. |
| 228 | |
| 229 | The pyramid axis is equivalent to the twist axis for the D6 joint. The twist motion is not limited. |
| 230 | |
| 231 | \param[in] physics The physics SDK |
| 232 | \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 |
| 233 | \param[in] localPos0 The position of the joint relative to actor0 |
| 234 | \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 |
| 235 | \param[in] localPos1 The position of the joint relative to actor1 |
| 236 | \param[in] axis The pyramid axis, expressed in the actors' local space |
| 237 | \param[in] minLimit1 Min angular limit along the joint frame's second axis (first axis = pyramid axis) |
| 238 | \param[in] maxLimit1 Max angular limit along the joint frame's second axis (first axis = pyramid axis) |
| 239 | \param[in] minLimit2 Min angular limit along the joint frame's third axis (first axis = pyramid axis) |
| 240 | \param[in] maxLimit2 Max angular limit along the joint frame's third axis (first axis = pyramid axis) |
| 241 | |
| 242 | \return The created joint. |
| 243 | |
| 244 | @see PxD6Joint |
| 245 | */ |
| 246 | PxJoint* PxD6JointCreate_Pyramid(PxPhysics& physics, PxRigidActor* actor0, const PxVec3& localPos0, PxRigidActor* actor1, const PxVec3& localPos1, const PxVec3& axis, |
| 247 | float minLimit1, float maxLimit1, float minLimit2, float maxLimit2); |
| 248 | |
| 249 | |
| 250 | #if !PX_DOXYGEN |
| 251 | } // namespace physx |
| 252 | #endif |
| 253 | |
| 254 | /** @} */ |
| 255 | #endif |
| 256 | |