Commit: ba1ca9148dad37667dae4ffb2fb75e4eedf02a77
Author: Campbell Barton
Date: Mon Feb 8 11:48:03 2016 +1100
Branches: master
https://developer.blender.org/rBba1ca9148dad37667dae4ffb2fb75e4eedf02a77
Fix T47353: Project paint ignores small faces
When zoomed out - faces < 0.5 pixels across a diagonal aren't so rare,
so culling them can ignore small faces.
===================================================================
M source/blender/editors/sculpt_paint/paint_image_proj.c
===================================================================
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c
b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 5c8fae6..c29840c 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -2096,8 +2096,9 @@ static void project_bucket_clip_face(
/* detect pathological case where face the three vertices are almost
collinear in screen space.
* mostly those will be culled but when flood filling or with smooth
shading it's a possibility */
- if (dist_squared_to_line_v2(v1coSS, v2coSS, v3coSS) < 0.5f ||
- dist_squared_to_line_v2(v2coSS, v3coSS, v1coSS) < 0.5f)
+ if (min_fff(dist_squared_to_line_v2(v1coSS, v2coSS, v3coSS),
+ dist_squared_to_line_v2(v2coSS, v3coSS, v1coSS),
+ dist_squared_to_line_v2(v3coSS, v1coSS, v2coSS)) <
PROJ_PIXEL_TOLERANCE)
{
collinear = true;
}
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