Math Lib: add dist_squared_to_line_v2, avoids sqrt in scanfill and 3d-text

1 files changed, 4 insertions, 2 deletions

diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h
index 4f41ac86a0e..e99f89036b3 100644
--- a/source/blender/blenlib/BLI_math_geom.h
+++ b/source/blender/blenlib/BLI_math_geom.h
@@ -80,7 +80,8 @@ int is_quad_convex_v2(const float v1[2], const float v2[2], const float v3[2], c
 
 /********************************* Distance **********************************/
 
-float dist_to_line_v2(const float p[2], const float l1[2], const float l2[2]);
+float dist_squared_to_line_v2(const float p[2], const float l1[2], const float l2[2]);
+float         dist_to_line_v2(const float p[2], const float l1[2], const float l2[2]);
 float dist_squared_to_line_segment_v2(const float p[2], const float l1[2], const float l2[2]);
 float         dist_to_line_segment_v2(const float p[2], const float l1[2], const float l2[2]);
 void closest_to_line_segment_v2(float closest[2], const float p[2], const float l1[2], const float l2[2]);
@@ -89,7 +90,8 @@ float dist_squared_to_plane_v3(const float p[3], const float plane[4]);
 float dist_to_plane_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_to_line_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]);
+float         dist_to_line_v3(const float p[3], const float l1[3], const float l2[3]);
 float closest_to_line_v3(float r[3], const float p[3], const float l1[3], const float l2[3]);
 float closest_to_line_v2(float r[2], const float p[2], const float l1[2], const float l2[2]);
 void closest_to_line_segment_v3(float r[3], const float p[3], const float l1[3], const float l2[3]);