Updated shiny effect shader

Assets/Shaders/ShinyHighlight_FS.glsl

@@ -78,8 +78,14 @@ void main()
   outEntityID = In2.eid;
   lightLayerIndices = In2.lightLayerIndex;
 
-  float vpHeight = float (In2.screenSpacePos.y) - MatProp.data[In2.materialIndex].highlightPosition;
-  vpHeight = float (int (vpHeight) % genericDataBuffer.data.viewportHeight);
+  // float vpHeight = float (In2.screenSpacePos.y) - MatProp.data[In2.materialIndex].highlightPosition;
+  // bring the frame of reference to the object's screen space pos 
+  int scale = 470;
+  float vpHeight = float (In2.screenSpacePos.y);
+  float relativePos = float(int (-MatProp.data[In2.materialIndex].highlightPosition) % scale) - float (scale / 2);
+  vpHeight += relativePos;
+
+  // vpHeight = float (int (vpHeight) % genericDataBuffer.data.viewportHeight);
   float scanlineScale = MatProp.data[In2.materialIndex].thickness * (1.0f - In2.screenSpacePos.z) * 100.0f;
 
   float lowerLimit = vpHeight - scanlineScale;