[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [35944] trunk/blender/source/blender: Comments for mesh normals calculation from Mortem Mikkelsen (aka sparky).

[Sergey Sharybin]

Revision: 35944
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=35944
Author:   nazgul
Date:     2011-04-01 18:35:49 +0000 (Fri, 01 Apr 2011)
Log Message:
-----------
Comments for mesh normals calculation from Mortem Mikkelsen (aka sparky).
We hope it'll help for further workers in this area!

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/mesh.c
    trunk/blender/source/blender/editors/mesh/editmesh_lib.c

Modified: trunk/blender/source/blender/blenkernel/intern/mesh.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mesh.c	2011-04-01 16:01:29 UTC (rev 35943)
+++ trunk/blender/source/blender/blenkernel/intern/mesh.c	2011-04-01 18:35:49 UTC (rev 35944)
@@ -1301,6 +1301,8 @@
 	}
 
 	/* build smooth normals for uninitialized normals at faces set to flat */
+	/* For such faces the renderer/3Dview and exporters will be using the face normal */
+	/* The vertex normals built inside this if-statement are entirely to support the needs of the modeler */
 	if(found_flat!=0) {
 		const int nr_bits= sizeof(int)*8;
 		const int nr_words= (numVerts+(nr_bits-1))/nr_bits;

Modified: trunk/blender/source/blender/editors/mesh/editmesh_lib.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/editmesh_lib.c	2011-04-01 16:01:29 UTC (rev 35943)
+++ trunk/blender/source/blender/editors/mesh/editmesh_lib.c	2011-04-01 18:35:49 UTC (rev 35944)
@@ -2028,6 +2028,8 @@
 	}
 
 	/* build smooth normals for uninitialized normals at faces set to flat */
+	/* For such faces the renderer/3Dview and exporters will be using the face normal */
+	/* The vertex normals built inside this if-statement are entirely to support the needs of the modeler */
 	if(found_flat!=0) {
 		for(efa= em->faces.first; efa; efa=efa->next) {
 			efa->v1->tmp.t= 0;