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code cleanup: move local math functions into math_geom.c, math_vector.c, no functional changes.

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Campbell Barton
2012-11-15 13:24:14 +00:00
parent 9eccf40daa
commit 987f6a7d4f
7 changed files with 50 additions and 43 deletions
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27
source/blender/blenlib/intern/math_geom.c
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@@ -2399,6 +2399,33 @@ void resolve_quad_uv(float r_uv[2], const float st[2], const float st0[2], const
#undef IS_ZERO
/* reverse of the functions above */
void interp_bilinear_quad_v3(float data[4][3], float u, float v, float res[3])
{
float vec[3];
copy_v3_v3(res, data[0]);
mul_v3_fl(res, (1 - u) * (1 - v));
copy_v3_v3(vec, data[1]);
mul_v3_fl(vec, u * (1 - v)); add_v3_v3(res, vec);
copy_v3_v3(vec, data[2]);
mul_v3_fl(vec, u * v); add_v3_v3(res, vec);
copy_v3_v3(vec, data[3]);
mul_v3_fl(vec, (1 - u) * v); add_v3_v3(res, vec);
}
void interp_barycentric_tri_v3(float data[3][3], float u, float v, float res[3])
{
float vec[3];
copy_v3_v3(res, data[0]);
mul_v3_fl(res, u);
copy_v3_v3(vec, data[1]);
mul_v3_fl(vec, v); add_v3_v3(res, vec);
copy_v3_v3(vec, data[2]);
mul_v3_fl(vec, 1.0f - u - v); add_v3_v3(res, vec);
}
/***************************** View & Projection *****************************/
void orthographic_m4(float matrix[][4], const float left, const float right, const float bottom, const float top,