Custom Blending Equation Constants
		Equations
		
		THREE.AddEquation
		THREE.SubtractEquation
		THREE.ReverseSubtractEquation
		THREE.MinEquation
		THREE.MaxEquation
		
		Destination Factors
		
		THREE.ZeroFactor
		THREE.OneFactor
		THREE.SrcColorFactor
		THREE.OneMinusSrcColorFactor
		THREE.SrcAlphaFactor
		THREE.OneMinusSrcAlphaFactor
		THREE.DstAlphaFactor
		THREE.OneMinusDstAlphaFactor
		
		Source Factors
		
		THREE.DstColorFactor
		THREE.OneMinusDstColorFactor
		THREE.SrcAlphaSaturateFactor
		
		Source
		[link:https://github.com/mrdoob/three.js/blob/master/src/Three.js src/Three.js]