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public: mathlib: fix incorrect usage of DotProductAbs, it will give the integer result, while float is expected

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This commit is contained in:
Alibek Omarov 2024-11-05 22:18:55 +03:00
parent fa6f564c12
commit b7ed779f71
2 changed files with 3 additions and 4 deletions
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6
public/matrixlib.c
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@ -210,9 +210,9 @@ void Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const ve
VectorSubtract( maxs, localCenter, localExtents );
Matrix3x4_VectorTransform( world, localCenter, worldCenter );
worldExtents[0] = DotProductAbs( localExtents, world[0] ); // auto-transposed!
worldExtents[1] = DotProductAbs( localExtents, world[1] );
worldExtents[2] = DotProductAbs( localExtents, world[2] );
worldExtents[0] = DotProductFabs( localExtents, world[0] ); // auto-transposed!
worldExtents[1] = DotProductFabs( localExtents, world[1] );
worldExtents[2] = DotProductFabs( localExtents, world[2] );
VectorSubtract( worldCenter, worldExtents, absmin );
VectorAdd( worldCenter, worldExtents, absmax );

1
public/xash3d_mathlib.h
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@ -85,7 +85,6 @@ CONSTANTS AND HELPER MACROS
#define VectorIsNAN(v) (IS_NAN(v[0]) || IS_NAN(v[1]) || IS_NAN(v[2]))
#define DotProduct(x,y) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2])
#define DotProductAbs(x,y) (abs((x)[0]*(y)[0])+abs((x)[1]*(y)[1])+abs((x)[2]*(y)[2]))
#define DotProductFabs(x,y) (fabs((x)[0]*(y)[0])+fabs((x)[1]*(y)[1])+fabs((x)[2]*(y)[2]))
#define DotProductPrecise(x,y) ((double)(x)[0]*(double)(y)[0]+(double)(x)[1]*(double)(y)[1]+(double)(x)[2]*(double)(y)[2])
#define CrossProduct(a,b,c) ((c)[0]=(a)[1]*(b)[2]-(a)[2]*(b)[1],(c)[1]=(a)[2]*(b)[0]-(a)[0]*(b)[2],(c)[2]=(a)[0]*(b)[1]-(a)[1]*(b)[0])