@openhps/core/src/three/nodes/accessors/PointUVNode.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.pointUV = exports.default = void 0;
var _Node = _interopRequireDefault(require("../core/Node.js"));
var _TSLBase = require("../tsl/TSLBase.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * A node for representing the uv coordinates of points.
 *
 * Can only be used with a WebGL backend. In WebGPU, point
 * primitives always have the size of one pixel and can thus
 * can't be used as sprite-like objects that display textures.
 *
 * @augments Node
 */
class PointUVNode extends _Node.default {
  static get type() {
    return 'PointUVNode';
  }

  /**
   * Constructs a new point uv node.
   */
  constructor() {
    super('vec2');

    /**
     * This flag can be used for type testing.
     *
     * @type {boolean}
     * @readonly
     * @default true
     */
    this.isPointUVNode = true;
  }
  generate( /*builder*/
  ) {
    return 'vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )';
  }
}
var _default = exports.default = PointUVNode;
/**
 * TSL object that represents the uv coordinates of points.
 *
 * @tsl
 * @type {PointUVNode}
 */
const pointUV = exports.pointUV = /*@__PURE__*/(0, _TSLBase.nodeImmutable)(PointUVNode);