1 files changed, 2 insertions, 9 deletions

diff --git a/assets/shaders/TwistVert.vert.glsl b/assets/shaders/TwistVert.vert.glsl
index 29cb30ea..9734063d 100644
--- a/assets/shaders/TwistVert.vert.glsl
+++ b/assets/shaders/TwistVert.vert.glsl
@@ -19,7 +19,7 @@ attribute vec2 texcoord;
 uniform float u_limit1;
 uniform float u_limit2;
 uniform float u_twistAmount;
-uniform float u_center;
+//uniform float u_center;
 
 // texture sampler uniforms
 uniform sampler2D u_tex0;
@@ -63,17 +63,14 @@ void main(void)
         vec2 uv = texcoord;
         v_texcoord = texcoord;
 
-        //v_color = vec4(texcoord.x, texcoord.y, 0, 1);
-
         v_zNormal = 1.0;
         if (uv.x < u_limit2)
         {
                 float angle = GetAngle( uv.x );
                 float cs = cos(angle),  sn = sin(angle);
 
-                pos.y -= u_center;
                 vec3 ctrPt = pos;
-                float y = pos.y*cs - pos.z*sn + u_center;
+                float y = pos.y*cs - pos.z*sn;  // + u_center;
                 pos.z   = pos.y*sn + pos.z*cs;
                 pos.y = y;
 
@@ -85,11 +82,7 @@ void main(void)
                 cs = cos(angle); sn = sin(angle);
                 rotMat = mat3( vec3( 1.0,  0.0,  0.0 ),  vec3( 0.0,   cs,   sn ),  vec3( 0.0,  -sn,   cs ) );
                 pt2 = rotMat * pt2;
-                pt0.y += u_center;  pt1.y += u_center;  pt2.y += u_center;
-                //vec4 nrm = u_projMatrix * u_mvMatrix * vec4( cross(pt1-pt0, pt2-pt0), 1.0 );
                 vec4 nrm = vec4( cross(pt1-pt0, pt2-pt0), 1.0 );
-                
-                //v_zNormal   = normal.y*sn + normal.z*cs;
                 v_zNormal   = -nrm.z;
         }