@openhps/core/src/three/nodes/display/ViewportDepthTextureNode.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.viewportDepthTexture = exports.default = void 0;
var _ViewportTextureNode = _interopRequireDefault(require("./ViewportTextureNode.js"));
var _TSLBase = require("../tsl/TSLBase.js");
var _ScreenNode = require("./ScreenNode.js");
var _DepthTexture = require("../../textures/DepthTexture.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
let sharedDepthbuffer = null;

/**
 * Represents the depth of the current viewport as a texture. This module
 * can be used in combination with viewport texture to achieve effects
 * that require depth evaluation.
 *
 * @augments ViewportTextureNode
 */
class ViewportDepthTextureNode extends _ViewportTextureNode.default {
  static get type() {
    return 'ViewportDepthTextureNode';
  }

  /**
   * Constructs a new viewport depth texture node.
   *
   * @param {Node} [uvNode=screenUV] - The uv node.
   * @param {?Node} [levelNode=null] - The level node.
   */
  constructor(uvNode = _ScreenNode.screenUV, levelNode = null) {
    if (sharedDepthbuffer === null) {
      sharedDepthbuffer = new _DepthTexture.DepthTexture();
    }
    super(uvNode, levelNode, sharedDepthbuffer);
  }
}
var _default = exports.default = ViewportDepthTextureNode;
/**
 * TSL function for a viewport depth texture node.
 *
 * @tsl
 * @function
 * @param {?Node} [uvNode=screenUV] - The uv node.
 * @param {?Node} [levelNode=null] - The level node.
 * @returns {ViewportDepthTextureNode}
 */
const viewportDepthTexture = exports.viewportDepthTexture = /*@__PURE__*/(0, _TSLBase.nodeProxy)(ViewportDepthTextureNode).setParameterLength(0, 2);