[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [14730] trunk/blender/source/blender/ render/intern/source/shadeoutput.c:

[Brecht Van Lommel]

Revision: 14730
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=14730
Author:   blendix
Date:     2008-05-07 22:24:06 +0200 (Wed, 07 May 2008)

Log Message:
-----------

Fix for bug #10932: area light bug, points behind the lamp could
also get lit.

Modified Paths:
--------------
    trunk/blender/source/blender/render/intern/source/shadeoutput.c

Modified: trunk/blender/source/blender/render/intern/source/shadeoutput.c
===================================================================
--- trunk/blender/source/blender/render/intern/source/shadeoutput.c     
2008-05-07 20:22:28 UTC (rev 14729)
+++ trunk/blender/source/blender/render/intern/source/shadeoutput.c     
2008-05-07 20:24:06 UTC (rev 14730)
@@ -477,8 +477,12 @@
        float *jitlamp= lar->jitter, vec[3];
        float area[4][3], intens= 0.0f;
        int a= lar->ray_totsamp;
-       
-       
+
+       /* test if co is behind lamp */
+       VECSUB(vec, co, lar->co);
+       if(INPR(vec, lar->vec) < 0.0f)
+               return 0.0f;
+
        while(a--) {
                vec[0]= jitlamp[0];
                vec[1]= jitlamp[1];


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