[FIX] reenabled lighting from both sides. Thanks to Sebastian.

4d9eb0a6 · Alexander Wiebel · 449b70a2 · 4d9eb0a6
Commit 4d9eb0a6 authored May 13, 2011 by Alexander Wiebel
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src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl ...dules/splineSurface/shaders/WMSplineSurface-fragment.glsl +2 -2

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--- a/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl
+++ b/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl
@@ -43,10 +43,10 @@ void main()
 #endif

    // do light
-    float light = blinnPhongIlluminationIntensity( normalize( -v_normal ) );
+    float light = blinnPhongIlluminationIntensity( normalize( viewAlign( v_normal ) ) );

    // opacity of the surface
-    //col.rgb = light * col.rgb; // TODO(wiebel): reenable lighting here
+    col.rgb = light * col.rgb;
    col.a = float( u_opacity ) * 0.01;
    gl_FragColor = col;
 }