@openhps/core/dist/esm/three/nodes/display/ViewportDepthTextureNode.js

Open Hybrid Positioning System - Core component

import ViewportTextureNode from './ViewportTextureNode.js';
import { nodeProxy } from '../tsl/TSLBase.js';
import { screenUV } from './ScreenNode.js';
import { DepthTexture } from '../../textures/DepthTexture.js';
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 {
  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 = screenUV, levelNode = null) {
    if (sharedDepthbuffer === null) {
      sharedDepthbuffer = new DepthTexture();
    }
    super(uvNode, levelNode, sharedDepthbuffer);
  }
}
export 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}
 */
export const viewportDepthTexture = /*@__PURE__*/nodeProxy(ViewportDepthTextureNode).setParameterLength(0, 2);