Draw floor of windows

shader/lightmapWall.geom

@@ -13,8 +13,8 @@ float isLHS (vec2 startV, vec2 testV)
 {
     return sign( -startV.x * testV.y + startV.y * testV.x);
 }
-vec4 shiftUp (vec4 v)
-{ return vec4 (v.xy , v.z-0.1 , v.w) ; }
+vec4 shiftCloser (vec4 v)
+{ return vec4 (v.xy , v.z-0.0001 , v.w) ; }
 
 void main()
 {
@@ -31,10 +31,10 @@ if (isLHS (p1.xy - lightPos, p2.xy - lightPos) < 0)
     vec2 d1 = p1.xy - lightPos;
     vec2 d2 = p2.xy - lightPos;
     
-    vec4 a1 = shiftUp( perpMat * p1 );
-    vec4 a2 = shiftUp( perpMat * p2 );
-    vec4 a3 = shiftUp( perpMat * p3 );
-    vec4 a4 = shiftUp( perpMat * p4 );
+    vec4 a1 = shiftCloser( perpMat * p1 );
+    vec4 a2 = shiftCloser( perpMat * p2 );
+    vec4 a3 = shiftCloser( perpMat * p3 );
+    vec4 a4 = shiftCloser( perpMat * p4 );
     
     dField = vec3( d1.x/rad, d1.y/rad, 0);
     gl_Position = a1;