- " mediump float texCoordX = floor( mod(startAndEnd.z, uShapeWidth) );\n "
- " mediump float texCoordY = floor( mod(startAndEnd.w, uShapeWidth) );\n "
- " vTexCoord = vec2( (texCoordX + aTexCoord.x)/ uShapeWidth,(texCoordY + aTexCoord.y)/ uShapeWidth );\n"