[Bf-blender-cvs] [0403a2f7850] master: Fix T53997: island_margin in bpy.ops.uv.smart_project seems to have no effect

[Sebastian Parborg]

Commit: 0403a2f78502193646506f6c9c4529d40af2bc19
Author: Sebastian Parborg
Date:   Thu Mar 28 12:53:36 2019 +0100
Branches: master
https://developer.blender.org/rB0403a2f78502193646506f6c9c4529d40af2bc19

Fix T53997: island_margin in bpy.ops.uv.smart_project seems to have no effect

Now island margin acts as a percentage instead of being the actual distance.
So the margin distance will always be the same regardless of the actual size of the geometry.

Reviewed By: Brecht

Differential Revision: http://developer.blender.org/D4514

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M	release/scripts/startup/bl_operators/uvcalc_smart_project.py

===================================================================

diff --git a/release/scripts/startup/bl_operators/uvcalc_smart_project.py b/release/scripts/startup/bl_operators/uvcalc_smart_project.py
index 34aae1b9433..58c915ce029 100644
--- a/release/scripts/startup/bl_operators/uvcalc_smart_project.py
+++ b/release/scripts/startup/bl_operators/uvcalc_smart_project.py
@@ -583,10 +583,10 @@ def packIslands(islandList):
         w, h = maxx - minx, maxy - miny
 
         if USER_ISLAND_MARGIN:
-            minx -= USER_ISLAND_MARGIN  # *w
-            miny -= USER_ISLAND_MARGIN  # *h
-            maxx += USER_ISLAND_MARGIN  # *w
-            maxy += USER_ISLAND_MARGIN  # *h
+            minx -= USER_ISLAND_MARGIN * w/2
+            miny -= USER_ISLAND_MARGIN * h/2
+            maxx += USER_ISLAND_MARGIN * w/2
+            maxy += USER_ISLAND_MARGIN * h/2
 
             # recalc width and height
             w, h = maxx - minx, maxy - miny