67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
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//=========== Copyright <20> Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Mesh clipping operations.
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//
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//===========================================================================//
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#include "mesh.h"
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void CopyVertex( float *pOut, const float *pIn, int nFloats )
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{
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Q_memcpy( pOut, pIn, nFloats * sizeof( float ) );
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}
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void SubtractVertex( float *pOutput, const float *pLeft, const float *pRight, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pOutput[f] = pLeft[f] - pRight[f];
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}
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}
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void AddVertex( float *pOutput, const float *pLeft,const float *pRight, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pOutput[f] = pLeft[f] + pRight[f];
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}
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}
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void MultiplyVertex( float *pOutput, const float *pLeft, const float* pRight, float nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pOutput[f] = pLeft[f] * pRight[f];
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}
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}
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void AddVertexInPlace( float *pLeft, const float *pRight, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pLeft[f] += pRight[f];
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}
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}
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void MultiplyVertexInPlace( float *pLeft, const float flRight, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pLeft[f] *= flRight;
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}
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}
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void LerpVertex( float *pOutput, const float *pLeft, const float *pRight, float flLerp, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pOutput[f] = pLeft[f] + flLerp * ( pRight[f] - pLeft[f] );
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}
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}
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void BaryCentricVertices( float *pOutput, float *p0, float *p1, float *p2, float flU, float flV, float flW, int nFloats )
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{
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for ( int f=0; f<nFloats; ++f )
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{
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pOutput[f] = p0[f] * flU + p1[f] * flV + p2[f] * flW;
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}
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}
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