#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);
  	normalColor *= vec4(0.8, 1, 0.8, 1);
  	normalColor.b += normalColor.a * 0.2;
      gl_FragColor = normalColor;
  }