61 lines
2.7 KiB
C++
61 lines
2.7 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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#ifndef RENDERER_PROJECTION_H
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#define RENDERER_PROJECTION_H
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#include <RendererConfig.h>
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namespace SampleRenderer
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{
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class RendererProjection
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{
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public:
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RendererProjection(float fov, float aspectRatio, float nearPlane, float farPlane);
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RendererProjection(float left, float right, float bottom, float top, float near, float far);
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RendererProjection(const PxMat44 mat);
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void getColumnMajor44(float *f) const;
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void getRowMajor44(float *f) const;
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operator PxMat44 () const { return *reinterpret_cast<const PxMat44*>( m_matrix ); }
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PxMat44& getPxMat44() { return reinterpret_cast<PxMat44&>(*m_matrix ); }
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const PxMat44& getPxMat44() const { return reinterpret_cast<const PxMat44&>(*m_matrix ); }
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private:
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float m_matrix[16];
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};
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void buildProjectMatrix(float *dst, const RendererProjection &proj, const physx::PxTransform &view);
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void buildUnprojectMatrix(float *dst, const RendererProjection &proj, const physx::PxTransform &view);
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PxVec3 unproject(const RendererProjection &proj, const physx::PxTransform &view, PxF32 x, PxF32 y, PxF32 z = 0);
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PxVec3 project( const RendererProjection &proj, const physx::PxTransform &view, const PxVec3& pos);
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} // namespace SampleRenderer
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#endif
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