function HueSaturationPass(hue, saturation)
{
	ShaderPass.call(this, HueSaturationShader);

	this.type = "HueSaturation";

	var self = this;
	Object.defineProperties(this,
		{
			hue:
		{
			get: function() {return this.uniforms["hue"].value;},
			set: function(value) {this.uniforms["hue"].value = value;}
		},

			saturation:
		{
			get: function() {return this.uniforms["saturation"].value;},
			set: function(value) {this.uniforms["saturation"].value = value;}
		}
		});

	this.hue = hue !== undefined ? hue : 0;
	this.saturation = saturation !== undefined ? saturation : 0;
}
Hue and saturation pass.

@class HueSaturationPass
@module Postprocessing
@param {number} hue Hue rotation from -1 to 1
@param {number} saturation Color saturation from -1  to 1