Custom Blending Equation Constants

Todo: 这篇文章里的英文对应的是Three.js里的对象方法，后续进行详细说明，尾部附上源码

方程式(Equations)

THREE.AddEquation
THREE.SubtractEquation
THREE.ReverseSubtractEquation
THREE.MinEquation
THREE.MaxEquation

指定系数(Destination Factors)

THREE.ZeroFactor
THREE.OneFactor
THREE.SrcColorFactor
THREE.OneMinusSrcColorFactor
THREE.SrcAlphaFactor
THREE.OneMinusSrcAlphaFactor
THREE.DstAlphaFactor
THREE.OneMinusDstAlphaFactor

来源因子(Source Factors)

THREE.DstColorFactor
THREE.OneMinusDstColorFactor
THREE.SrcAlphaSaturateFactor
Source

src/Three.js