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BLI_math: add mid_v2_v2v2v2

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Campbell Barton
2021-02-11 08:27:28 +11:00
parent 9274bd457a
commit 4719836eca
2 changed files with 7 additions and 0 deletions
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1
source/blender/blenlib/BLI_math_vector.h
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@@ -310,6 +310,7 @@ void interp_v4_v4v4_uchar(unsigned char target[4],
void mid_v3_v3v3(float r[3], const float a[3], const float b[3]);
void mid_v2_v2v2(float r[2], const float a[2], const float b[2]);
void mid_v3_v3v3v3(float v[3], const float v1[3], const float v2[3], const float v3[3]);
void mid_v2_v2v2v2(float v[2], const float v1[2], const float v2[2], const float v3[2]);
void mid_v3_v3v3v3v3(
float v[3], const float v1[3], const float v2[3], const float v3[3], const float v4[3]);
void mid_v3_v3_array(float r[3], const float (*vec_arr)[3], const unsigned int nbr);

6
source/blender/blenlib/intern/math_vector.c
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@@ -281,6 +281,12 @@ void mid_v2_v2v2(float r[2], const float a[2], const float b[2])
r[1] = 0.5f * (a[1] + b[1]);
}
void mid_v2_v2v2v2(float v[2], const float v1[2], const float v2[2], const float v3[2])
{
v[0] = (v1[0] + v2[0] + v3[0]) / 3.0f;
v[1] = (v1[1] + v2[1] + v3[1]) / 3.0f;
}
void mid_v3_v3v3v3(float v[3], const float v1[3], const float v2[3], const float v3[3])
{
v[0] = (v1[0] + v2[0] + v3[0]) / 3.0f;