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| author | Campbell Barton <ideasman42@gmail.com> | 2017-04-21 10:26:27 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2017-04-21 10:27:20 +0300 |
| commit | 55a3d48046377444a3c36ffe7a6164030d447f6f (patch) | |
| tree | 20ba53a8f070a9d6531372b9466b5c43112d49ab /source/blender/blenlib/intern/math_vector.c | |
| parent | 13ee5ba467d69b80f025d0d2542ed190ad1667db (diff) | |
Docs: diagram for reflect_v3_v3v3
Diffstat (limited to 'source/blender/blenlib/intern/math_vector.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_vector.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/source/blender/blenlib/intern/math_vector.c b/source/blender/blenlib/intern/math_vector.c index dfecc3b556a..37897e2cd32 100644 --- a/source/blender/blenlib/intern/math_vector.c +++ b/source/blender/blenlib/intern/math_vector.c @@ -697,7 +697,19 @@ void bisect_v3_v3v3v3(float out[3], const float v1[3], const float v2[3], const /** * Returns a reflection vector from a vector and a normal vector - * reflect = vec - ((2 * DotVecs(vec, mirror)) * mirror) + * reflect = vec - ((2 * dot(vec, mirror)) * mirror). + * + * <pre> + * v + * + ^ + * \ | + * \| + * + normal: axis of reflection + * / + * / + * + + * out: result (negate for a 'bounce'). + * </pre> */ void reflect_v3_v3v3(float out[3], const float v[3], const float normal[3]) { |