| 1 | // |
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| 2 | // Redistribution and use in source and binary forms, with or without |
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| 3 | // modification, are permitted provided that the following conditions |
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| 4 | // are met: |
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| 5 | // * Redistributions of source code must retain the above copyright |
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| 6 | // notice, this list of conditions and the following disclaimer. |
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| 7 | // * Redistributions in binary form must reproduce the above copyright |
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| 8 | // notice, this list of conditions and the following disclaimer in the |
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| 9 | // documentation and/or other materials provided with the distribution. |
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| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
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| 11 | // contributors may be used to endorse or promote products derived |
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| 12 | // from this software without specific prior written permission. |
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| 13 | // |
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| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
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| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 25 | // |
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| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
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| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
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| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
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| 29 | |
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| 30 | |
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| 31 | #ifndef PX_PHYSICS_NX_BOX_GEOMETRY |
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| 32 | #define PX_PHYSICS_NX_BOX_GEOMETRY |
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| 33 | /** \addtogroup geomutils |
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| 34 | @{ |
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| 35 | */ |
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| 36 | #include "geometry/PxGeometry.h" |
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| 37 | #include "foundation/PxVec3.h" |
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| 38 | |
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| 39 | #if !PX_DOXYGEN |
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| 40 | namespace physx |
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| 41 | { |
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| 42 | #endif |
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| 43 | |
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| 44 | /** |
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| 45 | \brief Class representing the geometry of a box. |
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| 46 | |
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| 47 | The geometry of a box can be fully specified by its half extents. This is the half of its width, height, and depth. |
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| 48 | \note The scaling of the box is expected to be baked into these values, there is no additional scaling parameter. |
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| 49 | */ |
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| 50 | class PxBoxGeometry : public PxGeometry |
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| 51 | { |
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| 52 | public: |
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| 53 | /** |
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| 54 | \brief Default constructor, initializes to a box with zero dimensions. |
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| 55 | */ |
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| 56 | PX_INLINE PxBoxGeometry() : PxGeometry(PxGeometryType::eBOX), halfExtents(0,0,0) {} |
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| 57 | |
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| 58 | /** |
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| 59 | \brief Constructor to initialize half extents from scalar parameters. |
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| 60 | \param hx Initial half extents' x component. |
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| 61 | \param hy Initial half extents' y component. |
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| 62 | \param hz Initial half extents' z component. |
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| 63 | */ |
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| 64 | PX_INLINE PxBoxGeometry(PxReal hx, PxReal hy, PxReal hz) : PxGeometry(PxGeometryType::eBOX), halfExtents(hx, hy, hz) {} |
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| 65 | |
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| 66 | /** |
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| 67 | \brief Constructor to initialize half extents from vector parameter. |
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| 68 | \param halfExtents_ Initial half extents. |
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| 69 | */ |
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| 70 | PX_INLINE PxBoxGeometry(PxVec3 halfExtents_) : PxGeometry(PxGeometryType::eBOX), halfExtents(halfExtents_) {} |
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| 71 | |
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| 72 | /** |
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| 73 | \brief Returns true if the geometry is valid. |
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| 74 | |
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| 75 | \return True if the current settings are valid |
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| 76 | |
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| 77 | \note A valid box has a positive extent in each direction (halfExtents.x > 0, halfExtents.y > 0, halfExtents.z > 0). |
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| 78 | It is illegal to call PxRigidActor::createShape and PxPhysics::createShape with a box that has zero extent in any direction. |
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| 79 | |
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| 80 | @see PxRigidActor::createShape, PxPhysics::createShape |
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| 81 | */ |
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| 82 | PX_INLINE bool isValid() const; |
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| 83 | |
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| 84 | public: |
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| 85 | /** |
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| 86 | \brief Half of the width, height, and depth of the box. |
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| 87 | */ |
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| 88 | PxVec3 halfExtents; |
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| 89 | }; |
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| 90 | |
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| 91 | |
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| 92 | PX_INLINE bool PxBoxGeometry::isValid() const |
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| 93 | { |
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| 94 | if (mType != PxGeometryType::eBOX) |
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| 95 | return false; |
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| 96 | if (!halfExtents.isFinite()) |
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| 97 | return false; |
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| 98 | if (halfExtents.x <= 0.0f || halfExtents.y <= 0.0f || halfExtents.z <= 0.0f) |
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| 99 | return false; |
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| 100 | |
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| 101 | return true; |
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| 102 | } |
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| 103 | |
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| 104 | #if !PX_DOXYGEN |
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| 105 | } // namespace physx |
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| 106 | #endif |
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| 107 | |
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| 108 | /** @} */ |
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| 109 | #endif |
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| 110 | |
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