#ifdef GL_ES
  precision mediump float;
  #endif
  
  varying vec4 v_fragmentColor;
  varying vec2 v_texCoord;
  uniform sampler2D u_texture;
  
  void main()
  {
  	vec4 normalColor = v_fragmentColor * texture2D(u_texture, v_texCoord);
  	if(normalColor.a > 0.0)
  	{
  		normalColor.g = (1.0 - normalColor.g) * 0.8 + normalColor.r;
  		normalColor.b = 1.0;
  		normalColor.r = 0.0;
  	}
      gl_FragColor = normalColor;
  }