varying vec2 v_texCoord;
varying vec4 v_fragmentColor;						

void main()
{
	 //gl_FragColor = v_fragmentColor*0.5;//v_fragmentColor * smoothstep(0.0, length(fwidth(v_texCoord)), 1.0 - length(v_texCoord));
	 gl_FragColor = vec4(0,0,0,0);
}