docs: function(name, numComponents, location, type, normalize, offsetCount) {
  		this.name = name;
  		this.numComponents = numComponents;
  		this.location = typeof location === "number" ? location : null;
  		this.type = type;
  		this.normalize = Boolean(normalize);
  		this.offsetCount = typeof offsetCount === "number" ? offsetCount : this.numComponents;
  	}