three.js/src/materials/Material.js

/**
 * @author mr.doob / http://mrdoob.com/
 * @author alteredq / http://alteredqualia.com/
 */

THREE.Material = function ( parameters ) {

	parameters = parameters || {};

	this.id = THREE.MaterialCount ++;

	this.name = '';

	this.opacity = parameters.opacity !== undefined ? parameters.opacity : 1;
	this.transparent = parameters.transparent !== undefined ? parameters.transparent : false;

	this.blending = parameters.blending !== undefined ? parameters.blending : THREE.NormalBlending;

	this.blendSrc = parameters.blendSrc !== undefined ? parameters.blendSrc : THREE.SrcAlphaFactor;
	this.blendDst = parameters.blendDst !== undefined ? parameters.blendDst : THREE.OneMinusSrcAlphaFactor;
	this.blendEquation = parameters.blendEquation !== undefined ? parameters.blendEquation : THREE.AddEquation;

	this.depthTest = parameters.depthTest !== undefined ? parameters.depthTest : true;
	this.depthWrite = parameters.depthWrite !== undefined ? parameters.depthWrite : true;

	this.polygonOffset = parameters.polygonOffset !== undefined ? parameters.polygonOffset : false;
	this.polygonOffsetFactor = parameters.polygonOffsetFactor !== undefined ? parameters.polygonOffsetFactor : 0;
	this.polygonOffsetUnits = parameters.polygonOffsetUnits !== undefined ? parameters.polygonOffsetUnits : 0;

	this.alphaTest = parameters.alphaTest !== undefined ? parameters.alphaTest : 0;

	this.overdraw = parameters.overdraw !== undefined ? parameters.overdraw : false; // Boolean for fixing antialiasing gaps in CanvasRenderer

	this.visible = parameters.visible !== undefined ? parameters.visible : true;

	this.needsUpdate = true;

}

THREE.MaterialCount = 0;