| 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 |  | 
| 31 | #ifndef PX_PHYSICS_NX_CAPSULE_GEOMETRY | 
| 32 | #define PX_PHYSICS_NX_CAPSULE_GEOMETRY | 
| 33 | /** \addtogroup geomutils | 
| 34 | @{ | 
| 35 | */ | 
| 36 | #include "geometry/PxGeometry.h" | 
| 37 | #include "foundation/PxFoundationConfig.h" | 
| 38 |  | 
| 39 | #if !PX_DOXYGEN | 
| 40 | namespace physx | 
| 41 | { | 
| 42 | #endif | 
| 43 |  | 
| 44 | /** | 
| 45 | \brief Class representing the geometry of a capsule. | 
| 46 |  | 
| 47 | Capsules are shaped as the union of a cylinder of length 2 * halfHeight and with the  | 
| 48 | given radius centered at the origin and extending along the x axis, and two hemispherical ends. | 
| 49 | \note The scaling of the capsule is expected to be baked into these values, there is no additional scaling parameter. | 
| 50 |  | 
| 51 | The function PxTransformFromSegment is a helper for generating an appropriate transform for the capsule from the capsule's interior line segment. | 
| 52 |  | 
| 53 | @see PxTransformFromSegment | 
| 54 | */ | 
| 55 | class PxCapsuleGeometry : public PxGeometry       | 
| 56 | { | 
| 57 | public: | 
| 58 | 	/** | 
| 59 | 	\brief Default constructor, initializes to a capsule with zero height and radius. | 
| 60 | 	*/ | 
| 61 | 	PX_INLINE PxCapsuleGeometry() : PxGeometry(PxGeometryType::eCAPSULE), radius(0), halfHeight(0)		{} | 
| 62 |  | 
| 63 | 	/** | 
| 64 | 	\brief Constructor, initializes to a capsule with passed radius and half height. | 
| 65 | 	*/ | 
| 66 | 	PX_INLINE PxCapsuleGeometry(PxReal radius_, PxReal halfHeight_) :	PxGeometry(PxGeometryType::eCAPSULE), radius(radius_), halfHeight(halfHeight_)	{} | 
| 67 |  | 
| 68 | 	/** | 
| 69 | 	\brief Returns true if the geometry is valid. | 
| 70 |  | 
| 71 | 	\return True if the current settings are valid. | 
| 72 |  | 
| 73 | 	\note A valid capsule has radius > 0, halfHeight > 0. | 
| 74 | 	It is illegal to call PxRigidActor::createShape and PxPhysics::createShape with a capsule that has zero radius or height. | 
| 75 |  | 
| 76 | 	@see PxRigidActor::createShape, PxPhysics::createShape | 
| 77 | 	*/ | 
| 78 | 	PX_INLINE bool isValid() const; | 
| 79 |  | 
| 80 | public: | 
| 81 | 	/** | 
| 82 | 	\brief The radius of the capsule. | 
| 83 | 	*/ | 
| 84 | 	PxReal radius; | 
| 85 |  | 
| 86 | 	/** | 
| 87 | 	\brief half of the capsule's height, measured between the centers of the hemispherical ends. | 
| 88 | 	*/ | 
| 89 | 	PxReal halfHeight; | 
| 90 | }; | 
| 91 |  | 
| 92 | PX_INLINE bool PxCapsuleGeometry::isValid() const | 
| 93 | { | 
| 94 | 	if (mType != PxGeometryType::eCAPSULE) | 
| 95 | 		return false; | 
| 96 | 	if (!PxIsFinite(f: radius) || !PxIsFinite(f: halfHeight)) | 
| 97 | 		return false; | 
| 98 | 	if (radius <= 0.0f || halfHeight <= 0.0f) | 
| 99 | 		return false; | 
| 100 |  | 
| 101 | 	return true; | 
| 102 | } | 
| 103 |  | 
| 104 | #if !PX_DOXYGEN | 
| 105 | } // namespace physx | 
| 106 | #endif | 
| 107 |  | 
| 108 | /** @} */ | 
| 109 | #endif | 
| 110 |  |