"uniform mediump vec2 uCenter;\n"
"void main()\n"
"{\n"
- " highp vec2 textureCenter = (sTextureRect.xy + sTextureRect.zw) * 0.5;\n"
+ " highp vec2 textureCenter = (uTextureRect.xy + uTextureRect.zw) * 0.5;\n"
" textureCenter = vTexCoord.st - textureCenter;\n"
" highp float distance = length(textureCenter);\n"
" if (distance >= uRadius)\n"