| 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 | #ifndef GU_INTERSECTION_TRIANGLE_BOX_H |
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| 31 | #define GU_INTERSECTION_TRIANGLE_BOX_H |
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| 32 | |
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| 33 | #include "foundation/PxMat33.h" |
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| 34 | #include "common/PxPhysXCommonConfig.h" |
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| 35 | #include "CmPhysXCommon.h" |
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| 36 | |
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| 37 | namespace physx |
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| 38 | { |
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| 39 | namespace Gu |
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| 40 | { |
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| 41 | class Box; |
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| 42 | class BoxPadded; |
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| 43 | |
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| 44 | /** |
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| 45 | Tests if a triangle overlaps a box (AABB). This is the reference non-SIMD code. |
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| 46 | |
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| 47 | \param center [in] the box center |
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| 48 | \param extents [in] the box extents |
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| 49 | \param p0 [in] triangle's first point |
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| 50 | \param p1 [in] triangle's second point |
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| 51 | \param p2 [in] triangle's third point |
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| 52 | \return true if triangle overlaps box |
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| 53 | */ |
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| 54 | PX_PHYSX_COMMON_API Ps::IntBool intersectTriangleBox_ReferenceCode(const PxVec3& center, const PxVec3& extents, const PxVec3& p0, const PxVec3& p1, const PxVec3& p2); |
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| 55 | |
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| 56 | /** |
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| 57 | Tests if a triangle overlaps a box (AABB). This is the optimized SIMD code. |
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| 58 | |
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| 59 | WARNING: the function has various SIMD requirements, left to the calling code: |
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| 60 | - function will load 4 bytes after 'center'. Make sure it's safe to load from there. |
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| 61 | - function will load 4 bytes after 'extents'. Make sure it's safe to load from there. |
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| 62 | - function will load 4 bytes after 'p0'. Make sure it's safe to load from there. |
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| 63 | - function will load 4 bytes after 'p1'. Make sure it's safe to load from there. |
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| 64 | - function will load 4 bytes after 'p2'. Make sure it's safe to load from there. |
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| 65 | If you can't guarantee these requirements, please use the non-SIMD reference code instead. |
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| 66 | |
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| 67 | \param center [in] the box center. |
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| 68 | \param extents [in] the box extents |
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| 69 | \param p0 [in] triangle's first point |
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| 70 | \param p1 [in] triangle's second point |
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| 71 | \param p2 [in] triangle's third point |
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| 72 | \return true if triangle overlaps box |
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| 73 | */ |
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| 74 | PX_PHYSX_COMMON_API Ps::IntBool intersectTriangleBox_Unsafe(const PxVec3& center, const PxVec3& extents, const PxVec3& p0, const PxVec3& p1, const PxVec3& p2); |
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| 75 | |
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| 76 | /** |
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| 77 | Tests if a triangle overlaps a box (OBB). |
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| 78 | |
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| 79 | There are currently no SIMD-related requirements for p0, p1, p2. |
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| 80 | |
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| 81 | \param box [in] the box |
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| 82 | \param p0 [in] triangle's first point |
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| 83 | \param p1 [in] triangle's second point |
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| 84 | \param p2 [in] triangle's third point |
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| 85 | \return true if triangle overlaps box |
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| 86 | */ |
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| 87 | PX_PHYSX_COMMON_API Ps::IntBool intersectTriangleBox(const BoxPadded& box, const PxVec3& p0, const PxVec3& p1, const PxVec3& p2); |
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| 88 | } // namespace Gu |
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| 89 | } |
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| 90 | |
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| 91 | #endif |
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| 92 | |
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