Remove unnecessary uniforms

shader/wall/texture.geom

@@ -6,7 +6,7 @@ in vec4 vColor [];
 out vec4 gColor;
 out vec2 tPos;
 
-uniform mat4 perpMat;
+uniform mat4 worldMat;
 
 // consider using isLHS to check if the wall is facing the center
 float isLHS (vec2 startV, vec2 testV)
@@ -23,10 +23,10 @@ vec4 p2 = vec4 (gl_in[0].gl_Position.zw,0,1);
 vec4 p3 = vec4 (p1.xy,-0.3,1);
 vec4 p4 = vec4 (p2.xy,-0.3,1);
 
-vec4 a1 = perpMat * p1;
-vec4 a2 = perpMat * p2;
-vec4 a3 = perpMat * p3;
-vec4 a4 = perpMat * p4;
+vec4 a1 = worldMat * p1;
+vec4 a2 = worldMat * p2;
+vec4 a3 = worldMat * p3;
+vec4 a4 = worldMat * p4;
 
   tPos = vec2 ( 1,-1) ; gl_Position = a1; EmitVertex();
   tPos = vec2 ( 1, 1) ; gl_Position = a3; EmitVertex();