diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_vector.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_vector.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_vector.c b/source/blender/blenlib/intern/math_vector.c index 887ec7d4d2c..814180bba24 100644 --- a/source/blender/blenlib/intern/math_vector.c +++ b/source/blender/blenlib/intern/math_vector.c @@ -252,6 +252,13 @@ void mid_v3_v3v3v3(float v[3], const float v1[3], const float v2[3], const float v[2] = (v1[2] + v2[2] + v3[2]) / 3.0f; } +void mid_v3_v3v3v3v3(float v[3], const float v1[3], const float v2[3], const float v3[3], const float v4[3]) +{ + v[0] = (v1[0] + v2[0] + v3[0] + v4[0]) / 4.0f; + v[1] = (v1[1] + v2[1] + v3[1] + v4[1]) / 4.0f; + v[2] = (v1[2] + v2[2] + v3[2] + v4[2]) / 4.0f; +} + /** * Specialized function for calculating normals. * fastpath for: @@ -757,6 +764,13 @@ void minmax_v2v2_v2(float min[2], float max[2], const float vec[2]) if (max[1] < vec[1]) max[1] = vec[1]; } +void minmax_v3v3_v3_array(float r_min[3], float r_max[3], float (*vec_arr)[3], int nbr) +{ + while (nbr--) { + minmax_v3v3_v3(r_min, r_max, *vec_arr++); + } +} + /** ensure \a v1 is \a dist from \a v2 */ void dist_ensure_v3_v3fl(float v1[3], const float v2[3], const float dist) { @@ -1033,6 +1047,15 @@ void fill_vn_ushort(unsigned short *array_tar, const int size, const unsigned sh } } +void fill_vn_uchar(unsigned char *array_tar, const int size, const unsigned char val) +{ + unsigned char *tar = array_tar + (size - 1); + int i = size; + while (i--) { + *(tar--) = val; + } +} + void fill_vn_fl(float *array_tar, const int size, const float val) { float *tar = array_tar + (size - 1); |