Improve dist_***_to_corner_v3v3v3 precision

Remove offset before calculating distance.

Define 'plane3' to BLI_math, since we often don't need the 4th component.

1 files changed, 6 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h
index b7a6f39473b..2c91aca27ef 100644
--- a/source/blender/blenlib/BLI_math_geom.h
+++ b/source/blender/blenlib/BLI_math_geom.h
@@ -102,6 +102,12 @@ float        dist_squared_to_plane_v3(const float p[3], const float plane[4]);
 float dist_signed_to_plane_v3(const float p[3], const float plane[4]);
 float        dist_to_plane_v3(const float p[3], const float plane[4]);
 
+/* plane3 versions */
+float dist_signed_squared_to_plane3_v3(const float p[3], const float plane[4]);
+float        dist_squared_to_plane3_v3(const float p[3], const float plane[4]);
+float dist_signed_to_plane3_v3(const float p[3], const float plane[4]);
+float        dist_to_plane3_v3(const float p[3], const float plane[4]);
+
 float dist_squared_to_line_segment_v3(const float p[3], const float l1[3], const float l2[3]);
 float         dist_to_line_segment_v3(const float p[3], const float l1[3], const float l2[3]);
 float dist_squared_to_line_v3(const float p[3], const float l1[3], const float l2[3]);