react-xrplayer/lib/display/HotSpotHelper.js

An excellent xr player for react

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var THREE = _interopRequireWildcard(require("three"));

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var HotSpotHelper = function HotSpotHelper(sence, _container, _camera) {
  var _this = this;

  _classCallCheck(this, HotSpotHelper);

  _defineProperty(this, "addIcons", function (iconList) {
    for (var i = 0; i < iconList.length; i++) {
      var img = iconList.img,
          position = iconList.position,
          name = iconList.name,
          title = iconList.title,
          width = iconList.width,
          height = iconList.height;

      _this.markIcon(img, position, name, title, width, height);
    }
  });

  _defineProperty(this, "removeAllIcons", function () {
    for (var i = 0; i < _this.markIconGroup.children.length; i++) {
      var tip = document.getElementById(_this.markIconGroup.children[i].name);

      if (tip) {
        _this.container.removeChild(tip);
      }

      _this.markIconGroup.remove(_this.markIconGroup.children[i]);
    }
  });

  _defineProperty(this, "markIcon", function (img, position, name, title, width, height) {
    var w = width || 0.08;
    var h = height || 0.08;
    var textureLoader = new THREE.TextureLoader();
    var material = new THREE.MeshBasicMaterial({
      map: textureLoader.load(img),
      side: THREE.DoubleSide,
      transparent: true
    });
    var geometry = new THREE.PlaneGeometry(w, h);
    var mesh = new THREE.Mesh(geometry, material);
    mesh.position.set(position.x, position.y, position.z);
    mesh.name = name;
    mesh.meshType = 'markIcon';

    _this.markIconGroup.add(mesh);

    var div = document.createElement("div");
    div.id = name;
    div.style = "padding:4px 4px;background:rgba(0,0,0,.5);color:#fff;display:none;position:absolute;border-radius:6px; -webkit-user-select:none; -moz-user-select:none; -ms-user-select:none; user-select:none;font-size:0.75rem;";
    div.innerHTML = title;

    _this.container.appendChild(div);
  });

  _defineProperty(this, "removeIcon", function (name) {
    for (var i = 0; i < _this.markIconGroup.children.length; i++) {
      if (_this.markIconGroup.children[i].name === name) {
        _this.markIconGroup.remove(_this.markIconGroup.children[i]);

        var tip = document.getElementById(name);

        if (tip) {
          _this.container.removeChild(tip);
        }

        break;
      }
    }
  });

  _defineProperty(this, "markIconInViews", function () {
    var camera = _this.camera;

    for (var i = 0; i < _this.markIconGroup.children.length; i++) {
      var wpVector = new THREE.Vector3();

      var pos = _this.markIconGroup.children[i].getWorldPosition(wpVector).applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix);

      var name = _this.markIconGroup.children[i].name;

      if (pos.x >= -1 && pos.x <= 1 && pos.y >= -1 && pos.y <= 1 && pos.z >= -1 && pos.z <= 1) {
        var screenPos = _this.objectPosToScreenPos(_this.markIconGroup.children[i], _this.container, _this.camera);

        var tip = document.getElementById(name);

        if (tip) {
          tip.style.display = "block";
          tip.style.left = screenPos.x - tip.clientWidth / 2 + "px";
          tip.style.top = screenPos.y - tip.clientHeight * 2 + "px";
        }
      } else {
        tip = document.getElementById(name);

        if (tip) {
          tip.style.display = "none";
        }
      }
    }
  });

  _defineProperty(this, "objectPosToScreenPos", function (object, container, camera) {
    var vector = new THREE.Vector3();
    vector.setFromMatrixPosition(object.matrixWorld).project(camera);
    var x2hat = vector.x,
        y2hat = vector.y;
    var W = container.clientWidth;
    var H = container.clientHeight;
    var pos = new THREE.Vector2();
    pos.x = W / 2 * (x2hat + 1);
    pos.y = H / 2 * (1 - y2hat);
    return pos;
  });

  _defineProperty(this, "update", function () {
    if (_this.markIconGroup) {
      _this.markIconInViews();

      for (var i = 0; i < _this.markIconGroup.children.length; i++) {
        _this.markIconGroup.children[i].lookAt(_this.camera.position);
      }
    }
  });

  this.camera = _camera;
  this.sence = sence;
  this.container = _container;
  this.markIconGroup = new THREE.Group();
  this.markIconGroup.name = "markIconGroup";
  this.sence.add(this.markIconGroup);
} // bindRaycaster = function (event, callback) {
//     var vector = AVR.screenPosTo3DCoordinate(event, this.vr.container, this.vr.camera);
//     //在视点坐标系中形成射线,射线的起点向量是照相机， 射线的方向向量是照相机到点击的点，这个向量应该归一标准化。
//     var raycaster = new THREE.Raycaster(this.vr.camera.position, vector.sub(this.vr.camera.position).normalize());
//     //射线和模型求交，选中一系列直线
//     var intersects = raycaster.intersectObjects(this.vr.scene.children, true);
//     if (intersects.length) {
//         callback.success(intersects);
//     } else {
//         callback.empty();
//     }
// }
;

var _default = HotSpotHelper;
exports.default = _default;