text: /**
   * @author qiao / https://github.com/qiao
   * @author mrdoob / http://mrdoob.com
   * @author alteredq / http://alteredqualia.com/
   * @author WestLangley / http://github.com/WestLangley
   * @author erich666 / http://erichaines.com
   */
  
  // This set of controls performs orbiting, dollying (zooming), and panning.
  // Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
  //
  //    Orbit - left mouse / touch: one finger move
  //    Zoom - middle mouse, or mousewheel / touch: two finger spread or squish
  //    Pan - right mouse, or arrow keys / touch: three finter swipe
  
  var THREE = window.THREE || require('three');
  let OrbitControls;
  
  module.exports = OrbitControls = function (object, domElement) {
  
    this.object = object;
  
    this.domElement = ( domElement !== undefined ) ? domElement : document;
  
    // Set to false to disable this control
    this.enabled = true;
  
    // "target" sets the location of focus, where the object orbits around
    this.target = new THREE.Vector3();
  
    // How far you can dolly in and out ( PerspectiveCamera only )
    this.minDistance = 0;
    this.maxDistance = Infinity;
  
    // How far you can zoom in and out ( OrthographicCamera only )
    this.minZoom = 0;
    this.maxZoom = Infinity;
  
    // How far you can orbit vertically, upper and lower limits.
    // Range is 0 to Math.PI radians.
    this.minPolarAngle = 0; // radians
    this.maxPolarAngle = Math.PI; // radians
  
    // How far you can orbit horizontally, upper and lower limits.
    // If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
    this.minAzimuthAngle = -Infinity; // radians
    this.maxAzimuthAngle = Infinity; // radians
  
    // Set to true to enable damping (inertia)
    // If damping is enabled, you must call controls.update() in your animation loop
    this.enableDamping = false;
    this.dampingFactor = 0.25;
  
    // This option actually enables dollying in and out; left as "zoom" for backwards compatibility.
    // Set to false to disable zooming
    this.enableZoom = true;
    this.zoomSpeed = 1.0;
  
    // Set to false to disable rotating
    this.enableRotate = true;
    this.rotateSpeed = 1.0;
  
    // Set to false to disable panning
    this.enablePan = true;
    this.keyPanSpeed = 7.0;	// pixels moved per arrow key push
  
    // Set to true to automatically rotate around the target
    // If auto-rotate is enabled, you must call controls.update() in your animation loop
    this.autoRotate = false;
    this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
  
    // Set to false to disable use of the keys
    this.enableKeys = true;
  
    // The four arrow keys
    this.keys = {LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40};
  
    // Mouse buttons
    this.mouseButtons = {ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT};
  
    // for reset
    this.target0 = this.target.clone();
    this.position0 = this.object.position.clone();
    this.zoom0 = this.object.zoom;
  
    //
    // public methods
    //
  
    this.getPolarAngle = function () {
  
      return spherical.phi;
  
    };
  
    this.getAzimuthalAngle = function () {
  
      return spherical.theta;
  
    };
  
    this.reset = function () {
  
      scope.target.copy(scope.target0);
      scope.object.position.copy(scope.position0);
      scope.object.zoom = scope.zoom0;
  
      scope.object.updateProjectionMatrix();
      scope.dispatchEvent(changeEvent);
  
      scope.update();
  
      state = STATE.NONE;
  
    };
  
    // this method is exposed, but perhaps it would be better if we can make it private...
    this.update = function () {
  
      var offset = new THREE.Vector3();
  
      // so camera.up is the orbit axis
      var quat = new THREE.Quaternion().setFromUnitVectors(object.up, new THREE.Vector3(0, 1, 0));
      var quatInverse = quat.clone().inverse();
  
      var lastPosition = new THREE.Vector3();
      var lastQuaternion = new THREE.Quaternion();
  
      return function update() {
  
        var position = scope.object.position;
  
        offset.copy(position).sub(scope.target);
  
        // rotate offset to "y-axis-is-up" space
        offset.applyQuaternion(quat);
  
        // angle from z-axis around y-axis
        spherical.setFromVector3(offset);
  
        if (scope.autoRotate && state === STATE.NONE) {
  
          rotateLeft(getAutoRotationAngle());
  
        }
  
        spherical.theta += sphericalDelta.theta;
        spherical.phi += sphericalDelta.phi;
  
        // restrict theta to be between desired limits
        spherical.theta = Math.max(scope.minAzimuthAngle, Math.min(scope.maxAzimuthAngle, spherical.theta));
  
        // restrict phi to be between desired limits
        spherical.phi = Math.max(scope.minPolarAngle, Math.min(scope.maxPolarAngle, spherical.phi));
  
        spherical.makeSafe();
  
  
        spherical.radius *= scale;
  
        // restrict radius to be between desired limits
        spherical.radius = Math.max(scope.minDistance, Math.min(scope.maxDistance, spherical.radius));
  
        // move target to panned location
        scope.target.add(panOffset);
  
        offset.setFromSpherical(spherical);
  
        // rotate offset back to "camera-up-vector-is-up" space
        offset.applyQuaternion(quatInverse);
  
        position.copy(scope.target).add(offset);
  
        scope.object.lookAt(scope.target);
  
        if (scope.enableDamping === true) {
  
          sphericalDelta.theta *= ( 1 - scope.dampingFactor );
          sphericalDelta.phi *= ( 1 - scope.dampingFactor );
  
        } else {
  
          sphericalDelta.set(0, 0, 0);
  
        }
  
        scale = 1;
        panOffset.set(0, 0, 0);
  
        // update condition is:
        // min(camera displacement, camera rotation in radians)^2 > EPS
        // using small-angle approximation cos(x/2) = 1 - x^2 / 8
  
        if (zoomChanged ||
          lastPosition.distanceToSquared(scope.object.position) > EPS ||
          8 * ( 1 - lastQuaternion.dot(scope.object.quaternion) ) > EPS) {
  
          scope.dispatchEvent(changeEvent);
  
          lastPosition.copy(scope.object.position);
          lastQuaternion.copy(scope.object.quaternion);
          zoomChanged = false;
  
          return true;
  
        }
  
        return false;
  
      };
  
    }();
  
    this.dispose = function () {
  
      scope.domElement.removeEventListener('contextmenu', onContextMenu, false);
      scope.domElement.removeEventListener('mousedown', onMouseDown, false);
      scope.domElement.removeEventListener('wheel', onMouseWheel, false);
  
      scope.domElement.removeEventListener('touchstart', onTouchStart, false);
      scope.domElement.removeEventListener('touchend', onTouchEnd, false);
      scope.domElement.removeEventListener('touchmove', onTouchMove, false);
  
      document.removeEventListener('mousemove', onMouseMove, false);
      document.removeEventListener('mouseup', onMouseUp, false);
  
      window.removeEventListener('keydown', onKeyDown, false);
  
      //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
  
    };
  
    //
    // internals
    //
  
    var scope = this;
  
    var changeEvent = {type: 'change'};
    var startEvent = {type: 'start'};
    var endEvent = {type: 'end'};
  
    var STATE = {NONE: -1, ROTATE: 0, DOLLY: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_DOLLY: 4, TOUCH_PAN: 5};
  
    var state = STATE.NONE;
  
    var EPS = 0.000001;
  
    // current position in spherical coordinates
    var spherical = new THREE.Spherical();
    var sphericalDelta = new THREE.Spherical();
  
    var scale = 1;
    var panOffset = new THREE.Vector3();
    var zoomChanged = false;
  
    var rotateStart = new THREE.Vector2();
    var rotateEnd = new THREE.Vector2();
    var rotateDelta = new THREE.Vector2();
  
    var panStart = new THREE.Vector2();
    var panEnd = new THREE.Vector2();
    var panDelta = new THREE.Vector2();
  
    var dollyStart = new THREE.Vector2();
    var dollyEnd = new THREE.Vector2();
    var dollyDelta = new THREE.Vector2();
  
    function getAutoRotationAngle() {
  
      return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
  
    }
  
    function getZoomScale() {
  
      return Math.pow(0.95, scope.zoomSpeed);
  
    }
  
    function rotateLeft(angle) {
  
      sphericalDelta.theta -= angle;
  
    }
  
    function rotateUp(angle) {
  
      sphericalDelta.phi -= angle;
  
    }
  
    var panLeft = function () {
  
      var v = new THREE.Vector3();
  
      return function panLeft(distance, objectMatrix) {
  
        v.setFromMatrixColumn(objectMatrix, 0); // get X column of objectMatrix
        v.multiplyScalar(-distance);
  
        panOffset.add(v);
  
      };
  
    }();
  
    var panUp = function () {
  
      var v = new THREE.Vector3();
  
      return function panUp(distance, objectMatrix) {
  
        v.setFromMatrixColumn(objectMatrix, 1); // get Y column of objectMatrix
        v.multiplyScalar(distance);
  
        panOffset.add(v);
  
      };
  
    }();
  
    // deltaX and deltaY are in pixels; right and down are positive
    var pan = function () {
  
      var offset = new THREE.Vector3();
  
      return function pan(deltaX, deltaY) {
  
        var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
  
        if (scope.object instanceof THREE.PerspectiveCamera) {
  
          // perspective
          var position = scope.object.position;
          offset.copy(position).sub(scope.target);
          var targetDistance = offset.length();
  
          // half of the fov is center to top of screen
          targetDistance *= Math.tan(( scope.object.fov / 2 ) * Math.PI / 180.0);
  
          // we actually don't use screenWidth, since perspective camera is fixed to screen height
          panLeft(2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix);
          panUp(2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix);
  
        } else if (scope.object instanceof THREE.OrthographicCamera) {
  
          // orthographic
          panLeft(deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix);
          panUp(deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix);
  
        } else {
  
          // camera neither orthographic nor perspective
          console.warn('WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.');
          scope.enablePan = false;
  
        }
  
      };
  
    }();
  
    function dollyIn(dollyScale) {
  
      if (scope.object instanceof THREE.PerspectiveCamera) {
  
        scale /= dollyScale;
  
      } else if (scope.object instanceof THREE.OrthographicCamera) {
  
        scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom * dollyScale));
        scope.object.updateProjectionMatrix();
        zoomChanged = true;
  
      } else {
  
        console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');
        scope.enableZoom = false;
  
      }
  
    }
  
    function dollyOut(dollyScale) {
  
      if (scope.object instanceof THREE.PerspectiveCamera) {
  
        scale *= dollyScale;
  
      } else if (scope.object instanceof THREE.OrthographicCamera) {
  
        scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom / dollyScale));
        scope.object.updateProjectionMatrix();
        zoomChanged = true;
  
      } else {
  
        console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');
        scope.enableZoom = false;
  
      }
  
    }
  
    //
    // event callbacks - update the object state
    //
  
    function handleMouseDownRotate(event) {
  
      //console.log( 'handleMouseDownRotate' );
  
      rotateStart.set(event.clientX, event.clientY);
  
    }
  
    function handleMouseDownDolly(event) {
  
      //console.log( 'handleMouseDownDolly' );
  
      dollyStart.set(event.clientX, event.clientY);
  
    }
  
    function handleMouseDownPan(event) {
  
      //console.log( 'handleMouseDownPan' );
  
      panStart.set(event.clientX, event.clientY);
  
    }
  
    function handleMouseMoveRotate(event) {
  
      //console.log( 'handleMouseMoveRotate' );
  
      rotateEnd.set(event.clientX, event.clientY);
      rotateDelta.subVectors(rotateEnd, rotateStart);
  
      var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
  
      // rotating across whole screen goes 360 degrees around
      rotateLeft(2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed);
  
      // rotating up and down along whole screen attempts to go 360, but limited to 180
      rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed);
  
      rotateStart.copy(rotateEnd);
  
      scope.update();
  
    }
  
    function handleMouseMoveDolly(event) {
  
      //console.log( 'handleMouseMoveDolly' );
  
      dollyEnd.set(event.clientX, event.clientY);
  
      dollyDelta.subVectors(dollyEnd, dollyStart);
  
      if (dollyDelta.y > 0) {
  
        dollyIn(getZoomScale());
  
      } else if (dollyDelta.y < 0) {
  
        dollyOut(getZoomScale());
  
      }
  
      dollyStart.copy(dollyEnd);
  
      scope.update();
  
    }
  
    function handleMouseMovePan(event) {
  
      //console.log( 'handleMouseMovePan' );
  
      panEnd.set(event.clientX, event.clientY);
  
      panDelta.subVectors(panEnd, panStart);
  
      pan(panDelta.x, panDelta.y);
  
      panStart.copy(panEnd);
  
      scope.update();
  
    }
  
    function handleMouseUp(event) {
  
      //console.log( 'handleMouseUp' );
  
    }
  
    function handleMouseWheel(event) {
  
      //console.log( 'handleMouseWheel' );
  
      if (event.deltaY < 0) {
  
        dollyOut(getZoomScale());
  
      } else if (event.deltaY > 0) {
  
        dollyIn(getZoomScale());
  
      }
  
      scope.update();
  
    }
  
    function handleKeyDown(event) {
  
      //console.log( 'handleKeyDown' );
  
      switch (event.keyCode) {
  
        case scope.keys.UP:
          pan(0, scope.keyPanSpeed);
          scope.update();
          break;
  
        case scope.keys.BOTTOM:
          pan(0, -scope.keyPanSpeed);
          scope.update();
          break;
  
        case scope.keys.LEFT:
          pan(scope.keyPanSpeed, 0);
          scope.update();
          break;
  
        case scope.keys.RIGHT:
          pan(-scope.keyPanSpeed, 0);
          scope.update();
          break;
  
      }
  
    }
  
    function handleTouchStartRotate(event) {
  
      //console.log( 'handleTouchStartRotate' );
  
      rotateStart.set(event.touches[0].pageX, event.touches[0].pageY);
  
    }
  
    function handleTouchStartDolly(event) {
  
      //console.log( 'handleTouchStartDolly' );
  
      var dx = event.touches[0].pageX - event.touches[1].pageX;
      var dy = event.touches[0].pageY - event.touches[1].pageY;
  
      var distance = Math.sqrt(dx * dx + dy * dy);
  
      dollyStart.set(0, distance);
  
    }
  
    function handleTouchStartPan(event) {
  
      //console.log( 'handleTouchStartPan' );
  
      panStart.set(event.touches[0].pageX, event.touches[0].pageY);
  
    }
  
    function handleTouchMoveRotate(event) {
  
      //console.log( 'handleTouchMoveRotate' );
  
      rotateEnd.set(event.touches[0].pageX, event.touches[0].pageY);
      rotateDelta.subVectors(rotateEnd, rotateStart);
  
      var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
  
      // rotating across whole screen goes 360 degrees around
      rotateLeft(2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed);
  
      // rotating up and down along whole screen attempts to go 360, but limited to 180
      rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed);
  
      rotateStart.copy(rotateEnd);
  
      scope.update();
  
    }
  
    function handleTouchMoveDolly(event) {
  
      //console.log( 'handleTouchMoveDolly' );
  
      var dx = event.touches[0].pageX - event.touches[1].pageX;
      var dy = event.touches[0].pageY - event.touches[1].pageY;
  
      var distance = Math.sqrt(dx * dx + dy * dy);
  
      dollyEnd.set(0, distance);
  
      dollyDelta.subVectors(dollyEnd, dollyStart);
  
      if (dollyDelta.y > 0) {
  
        dollyOut(getZoomScale());
  
      } else if (dollyDelta.y < 0) {
  
        dollyIn(getZoomScale());
  
      }
  
      dollyStart.copy(dollyEnd);
  
      scope.update();
  
    }
  
    function handleTouchMovePan(event) {
  
      //console.log( 'handleTouchMovePan' );
  
      panEnd.set(event.touches[0].pageX, event.touches[0].pageY);
  
      panDelta.subVectors(panEnd, panStart);
  
      pan(panDelta.x, panDelta.y);
  
      panStart.copy(panEnd);
  
      scope.update();
  
    }
  
    function handleTouchEnd(event) {
  
      //console.log( 'handleTouchEnd' );
  
    }
  
    //
    // event handlers - FSM: listen for events and reset state
    //
  
    function onMouseDown(event) {
  
      if (scope.enabled === false) return;
  
      event.preventDefault();
  
      if (event.button === scope.mouseButtons.ORBIT) {
  
        if (scope.enableRotate === false) return;
  
        handleMouseDownRotate(event);
  
        state = STATE.ROTATE;
  
      } else if (event.button === scope.mouseButtons.ZOOM) {
  
        if (scope.enableZoom === false) return;
  
        handleMouseDownDolly(event);
  
        state = STATE.DOLLY;
  
      } else if (event.button === scope.mouseButtons.PAN) {
  
        if (scope.enablePan === false) return;
  
        handleMouseDownPan(event);
  
        state = STATE.PAN;
  
      }
  
      if (state !== STATE.NONE) {
  
        document.addEventListener('mousemove', onMouseMove, false);
        document.addEventListener('mouseup', onMouseUp, false);
  
        scope.dispatchEvent(startEvent);
  
      }
  
    }
  
    function onMouseMove(event) {
  
      if (scope.enabled === false) return;
  
      event.preventDefault();
  
      if (state === STATE.ROTATE) {
  
        if (scope.enableRotate === false) return;
  
        handleMouseMoveRotate(event);
  
      } else if (state === STATE.DOLLY) {
  
        if (scope.enableZoom === false) return;
  
        handleMouseMoveDolly(event);
  
      } else if (state === STATE.PAN) {
  
        if (scope.enablePan === false) return;
  
        handleMouseMovePan(event);
  
      }
  
    }
  
    function onMouseUp(event) {
  
      if (scope.enabled === false) return;
  
      handleMouseUp(event);
  
      document.removeEventListener('mousemove', onMouseMove, false);
      document.removeEventListener('mouseup', onMouseUp, false);
  
      scope.dispatchEvent(endEvent);
  
      state = STATE.NONE;
  
    }
  
    function onMouseWheel(event) {
  
      if (scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE )) return;
  
      event.preventDefault();
      event.stopPropagation();
  
      handleMouseWheel(event);
  
      scope.dispatchEvent(startEvent); // not sure why these are here...
      scope.dispatchEvent(endEvent);
  
    }
  
    function onKeyDown(event) {
  
      if (scope.enabled === false || scope.enableKeys === false || scope.enablePan === false) return;
  
      handleKeyDown(event);
  
    }
  
    function onTouchStart(event) {
  
      if (scope.enabled === false) return;
  
      switch (event.touches.length) {
  
        case 1:	// one-fingered touch: rotate
  
          if (scope.enableRotate === false) return;
  
          handleTouchStartRotate(event);
  
          state = STATE.TOUCH_ROTATE;
  
          break;
  
        case 2:	// two-fingered touch: dolly
  
          if (scope.enableZoom === false) return;
  
          handleTouchStartDolly(event);
  
          state = STATE.TOUCH_DOLLY;
  
          break;
  
        case 3: // three-fingered touch: pan
  
          if (scope.enablePan === false) return;
  
          handleTouchStartPan(event);
  
          state = STATE.TOUCH_PAN;
  
          break;
  
        default:
  
          state = STATE.NONE;
  
      }
  
      if (state !== STATE.NONE) {
  
        scope.dispatchEvent(startEvent);
  
      }
  
    }
  
    function onTouchMove(event) {
  
      if (scope.enabled === false) return;
  
      event.preventDefault();
      event.stopPropagation();
  
      switch (event.touches.length) {
  
        case 1: // one-fingered touch: rotate
  
          if (scope.enableRotate === false) return;
          if (state !== STATE.TOUCH_ROTATE) return; // is this needed?...
  
          handleTouchMoveRotate(event);
  
          break;
  
        case 2: // two-fingered touch: dolly
  
          if (scope.enableZoom === false) return;
          if (state !== STATE.TOUCH_DOLLY) return; // is this needed?...
  
          handleTouchMoveDolly(event);
  
          break;
  
        case 3: // three-fingered touch: pan
  
          if (scope.enablePan === false) return;
          if (state !== STATE.TOUCH_PAN) return; // is this needed?...
  
          handleTouchMovePan(event);
  
          break;
  
        default:
  
          state = STATE.NONE;
  
      }
  
    }
  
    function onTouchEnd(event) {
  
      if (scope.enabled === false) return;
  
      handleTouchEnd(event);
  
      scope.dispatchEvent(endEvent);
  
      state = STATE.NONE;
  
    }
  
    function onContextMenu(event) {
  
      event.preventDefault();
  
    }
  
    //
  
    scope.domElement.addEventListener('contextmenu', onContextMenu, false);
  
    scope.domElement.addEventListener('mousedown', onMouseDown, false);
    scope.domElement.addEventListener('wheel', onMouseWheel, false);
  
    scope.domElement.addEventListener('touchstart', onTouchStart, false);
    scope.domElement.addEventListener('touchend', onTouchEnd, false);
    scope.domElement.addEventListener('touchmove', onTouchMove, false);
  
    window.addEventListener('keydown', onKeyDown, false);
  
    // force an update at start
  
    this.update();
  
  };
  
  OrbitControls.prototype = Object.create(THREE.EventDispatcher.prototype);
  OrbitControls.prototype.constructor = OrbitControls;
  
  Object.defineProperties(OrbitControls.prototype, {
  
    center: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .center has been renamed to .target');
        return this.target;
  
      }
  
    },
  
    // backward compatibility
  
    noZoom: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.');
        return !this.enableZoom;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.');
        this.enableZoom = !value;
  
      }
  
    },
  
    noRotate: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.');
        return !this.enableRotate;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.');
        this.enableRotate = !value;
  
      }
  
    },
  
    noPan: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.');
        return !this.enablePan;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.');
        this.enablePan = !value;
  
      }
  
    },
  
    noKeys: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.');
        return !this.enableKeys;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.');
        this.enableKeys = !value;
  
      }
  
    },
  
    staticMoving: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.');
        return !this.enableDamping;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.');
        this.enableDamping = !value;
  
      }
  
    },
  
    dynamicDampingFactor: {
  
      get: function () {
  
        console.warn('THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.');
        return this.dampingFactor;
  
      },
  
      set: function (value) {
  
        console.warn('THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.');
        this.dampingFactor = value;
  
      }
  
    }
  
  });
  