vgl/materialAttribute.js

  1. var vgl = require('./vgl');
  2. var inherit = require('../inherit');
  4. vgl.materialAttributeType = {
  5.   Undefined : 0x0,
  6.   ShaderProgram : 0x1,
  7.   Texture : 0x2,
  8.   Blend : 0x3,
  9.   Depth : 0x4
  10. };
  12. /**
  13.  * Create a new instance of class materialAttribute.
  14.  *
  15.  * @class
  16.  * @alias vgl.materialAttribute
  17.  * @param {number} type
  18.  * @returns {vgl.materialAttribute}
  19.  */
  20. vgl.materialAttribute = function (type) {
  21.   'use strict';
  23.   if (!(this instanceof vgl.materialAttribute)) {
  24.     return new vgl.materialAttribute(type);
  25.   }
  26.   vgl.graphicsObject.call(this);
  28.   /** @private */
  29.   var m_this = this,
  30.       m_type = type,
  31.       m_enabled = true;
  33.   /**
  34.    * Return type of the material attribute.
  35.    *
  36.    * @returns {number}
  37.    */
  38.   this.type = function () {
  39.     return m_type;
  40.   };
  42.   /**
  43.    * Return if material attribute is enabled or not.
  44.    *
  45.    * @returns {boolean}
  46.    */
  47.   this.enabled = function () {
  48.     return m_enabled;
  49.   };
  51.   /**
  52.    * Bind and activate vertex specific data.
  53.    *
  54.    * @param {vgl.renderState} renderState
  55.    * @param {string} key
  56.    * @returns {boolean}
  57.    */
  58.   this.bindVertexData = function (renderState, key) {
  59.     return false;
  60.   };
  62.   /**
  63.    * Undo bind and deactivate vertex specific data.
  64.    *
  65.    * @param {vgl.renderState} renderState
  66.    * @param {string} key
  67.    * @returns {boolean}
  68.    */
  69.   this.undoBindVertexData = function (renderState, key) {
  70.     return false;
  71.   };
  73.   return m_this;
  74. };
  76. inherit(vgl.materialAttribute, vgl.graphicsObject);