diff --git a/packages/app-project/package.json b/packages/app-project/package.json
index cc2d4a4fca..35ea86f070 100644
--- a/packages/app-project/package.json
+++ b/packages/app-project/package.json
@@ -59,9 +59,6 @@
     "swr": "~2.2.0",
     "validator": "~13.11.0"
   },
-  "peerDependencies": {
-    "@zooniverse/subject-viewers": "0.1.0"
-  },
   "devDependencies": {
     "@babel/register": "~7.23.7",
     "@storybook/addon-a11y": "~7.6.11",
diff --git a/packages/lib-subject-viewers/src/components/VolumetricViewer/components/Cube.js b/packages/lib-subject-viewers/src/components/VolumetricViewer/components/Cube.js
index 28f2d50307..12df01725f 100644
--- a/packages/lib-subject-viewers/src/components/VolumetricViewer/components/Cube.js
+++ b/packages/lib-subject-viewers/src/components/VolumetricViewer/components/Cube.js
@@ -22,12 +22,7 @@ import { useEffect, useLayoutEffect, useRef } from 'react'
 import { Histogram } from './Histogram.js'
 import { pointColor } from './../helpers/pointColor.js'
 import { SortedSetUnion } from './../helpers/SortedSet.js'
-
-// Shim for test:ci in GH needs this to work
-let OrbitControls = null;
-import("three/addons/controls/OrbitControls.js").then((module) => {
-	OrbitControls = module.OrbitControls;
-})
+import { OrbitControls } from './../helpers/OrbitControls.js'
 
 // Shim for node.js testing
 let glContext = null
diff --git a/packages/lib-subject-viewers/src/components/VolumetricViewer/helpers/OrbitControls.js b/packages/lib-subject-viewers/src/components/VolumetricViewer/helpers/OrbitControls.js
new file mode 100644
index 0000000000..f302f5b48a
--- /dev/null
+++ b/packages/lib-subject-viewers/src/components/VolumetricViewer/helpers/OrbitControls.js
@@ -0,0 +1,1538 @@
+/*
+- Zooniverse Note: This is a straight copy/paste for Three.JS v0.162.0
+- File: /node_modules/three/examples/jsm/controls/OrbitControls.js
+- StackOverflow: https://stackoverflow.com/questions/62086505/cannot-import-orbitcontrols-using-node-12-es6-import
+*/
+
+import {
+  EventDispatcher,
+  MOUSE,
+  Quaternion,
+  Spherical,
+  TOUCH,
+  Vector2,
+  Vector3,
+  Plane,
+  Ray,
+  MathUtils
+} from 'three';
+
+// OrbitControls 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 left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
+
+const _changeEvent = { type: 'change' };
+const _startEvent = { type: 'start' };
+const _endEvent = { type: 'end' };
+const _ray = new Ray();
+const _plane = new Plane();
+const TILT_LIMIT = Math.cos( 70 * MathUtils.DEG2RAD );
+
+class OrbitControls extends EventDispatcher {
+
+  constructor( object, domElement ) {
+
+    super();
+
+    this.object = object;
+    this.domElement = domElement;
+    this.domElement.style.touchAction = 'none'; // disable touch scroll
+
+    // Set to false to disable this control
+    this.enabled = true;
+
+    // "target" sets the location of focus, where the object orbits around
+    this.target = new Vector3();
+
+    // Sets the 3D cursor (similar to Blender), from which the maxTargetRadius takes effect
+    this.cursor = new 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;
+
+    // Limit camera target within a spherical area around the cursor
+    this.minTargetRadius = 0;
+    this.maxTargetRadius = 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, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 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 = 0.05;
+
+    // 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.panSpeed = 1.0;
+    this.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up
+    this.keyPanSpeed = 7.0;	// pixels moved per arrow key push
+    this.zoomToCursor = false;
+
+    // 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 orbit when fps is 60
+
+    // The four arrow keys
+    this.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };
+
+    // Mouse buttons
+    this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };
+
+    // Touch fingers
+    this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };
+
+    // for reset
+    this.target0 = this.target.clone();
+    this.position0 = this.object.position.clone();
+    this.zoom0 = this.object.zoom;
+
+    // the target DOM element for key events
+    this._domElementKeyEvents = null;
+
+    //
+    // public methods
+    //
+
+    this.getPolarAngle = function () {
+
+      return spherical.phi;
+
+    };
+
+    this.getAzimuthalAngle = function () {
+
+      return spherical.theta;
+
+    };
+
+    this.getDistance = function () {
+
+      return this.object.position.distanceTo( this.target );
+
+    };
+
+    this.listenToKeyEvents = function ( domElement ) {
+
+      domElement.addEventListener( 'keydown', onKeyDown );
+      this._domElementKeyEvents = domElement;
+
+    };
+
+    this.stopListenToKeyEvents = function () {
+
+      this._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );
+      this._domElementKeyEvents = null;
+
+    };
+
+    this.saveState = function () {
+
+      scope.target0.copy( scope.target );
+      scope.position0.copy( scope.object.position );
+      scope.zoom0 = scope.object.zoom;
+
+    };
+
+    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 () {
+
+      const offset = new Vector3();
+
+      // so camera.up is the orbit axis
+      const quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );
+      const quatInverse = quat.clone().invert();
+
+      const lastPosition = new Vector3();
+      const lastQuaternion = new Quaternion();
+      const lastTargetPosition = new Vector3();
+
+      const twoPI = 2 * Math.PI;
+
+      return function update( deltaTime = null ) {
+
+        const 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( deltaTime ) );
+
+        }
+
+        if ( scope.enableDamping ) {
+
+          spherical.theta += sphericalDelta.theta * scope.dampingFactor;
+          spherical.phi += sphericalDelta.phi * scope.dampingFactor;
+
+        } else {
+
+          spherical.theta += sphericalDelta.theta;
+          spherical.phi += sphericalDelta.phi;
+
+        }
+
+        // restrict theta to be between desired limits
+
+        let min = scope.minAzimuthAngle;
+        let max = scope.maxAzimuthAngle;
+
+        if ( isFinite( min ) && isFinite( max ) ) {
+
+          if ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;
+
+          if ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;
+
+          if ( min <= max ) {
+
+            spherical.theta = Math.max( min, Math.min( max, spherical.theta ) );
+
+          } else {
+
+            spherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?
+              Math.max( min, spherical.theta ) :
+              Math.min( max, spherical.theta );
+
+          }
+
+        }
+
+        // restrict phi to be between desired limits
+        spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );
+
+        spherical.makeSafe();
+
+
+        // move target to panned location
+
+        if ( scope.enableDamping === true ) {
+
+          scope.target.addScaledVector( panOffset, scope.dampingFactor );
+
+        } else {
+
+          scope.target.add( panOffset );
+
+        }
+
+        // Limit the target distance from the cursor to create a sphere around the center of interest
+        scope.target.sub( scope.cursor );
+        scope.target.clampLength( scope.minTargetRadius, scope.maxTargetRadius );
+        scope.target.add( scope.cursor );
+
+        let zoomChanged = false;
+        // adjust the camera position based on zoom only if we're not zooming to the cursor or if it's an ortho camera
+        // we adjust zoom later in these cases
+        if ( scope.zoomToCursor && performCursorZoom || scope.object.isOrthographicCamera ) {
+
+          spherical.radius = clampDistance( spherical.radius );
+
+        } else {
+
+          const prevRadius = spherical.radius;
+          spherical.radius = clampDistance( spherical.radius * scale );
+          zoomChanged = prevRadius != spherical.radius;
+
+        }
+
+        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 );
+
+          panOffset.multiplyScalar( 1 - scope.dampingFactor );
+
+        } else {
+
+          sphericalDelta.set( 0, 0, 0 );
+
+          panOffset.set( 0, 0, 0 );
+
+        }
+
+        // adjust camera position
+        if ( scope.zoomToCursor && performCursorZoom ) {
+
+          let newRadius = null;
+          if ( scope.object.isPerspectiveCamera ) {
+
+            // move the camera down the pointer ray
+            // this method avoids floating point error
+            const prevRadius = offset.length();
+            newRadius = clampDistance( prevRadius * scale );
+
+            const radiusDelta = prevRadius - newRadius;
+            scope.object.position.addScaledVector( dollyDirection, radiusDelta );
+            scope.object.updateMatrixWorld();
+
+            zoomChanged = !! radiusDelta;
+
+          } else if ( scope.object.isOrthographicCamera ) {
+
+            // adjust the ortho camera position based on zoom changes
+            const mouseBefore = new Vector3( mouse.x, mouse.y, 0 );
+            mouseBefore.unproject( scope.object );
+
+            const prevZoom = scope.object.zoom;
+            scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / scale ) );
+            scope.object.updateProjectionMatrix();
+
+            zoomChanged = prevZoom !== scope.object.zoom;
+
+            const mouseAfter = new Vector3( mouse.x, mouse.y, 0 );
+            mouseAfter.unproject( scope.object );
+
+            scope.object.position.sub( mouseAfter ).add( mouseBefore );
+            scope.object.updateMatrixWorld();
+
+            newRadius = offset.length();
+
+          } else {
+
+            console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled.' );
+            scope.zoomToCursor = false;
+
+          }
+
+          // handle the placement of the target
+          if ( newRadius !== null ) {
+
+            if ( this.screenSpacePanning ) {
+
+              // position the orbit target in front of the new camera position
+              scope.target.set( 0, 0, - 1 )
+                .transformDirection( scope.object.matrix )
+                .multiplyScalar( newRadius )
+                .add( scope.object.position );
+
+            } else {
+
+              // get the ray and translation plane to compute target
+              _ray.origin.copy( scope.object.position );
+              _ray.direction.set( 0, 0, - 1 ).transformDirection( scope.object.matrix );
+
+              // if the camera is 20 degrees above the horizon then don't adjust the focus target to avoid
+              // extremely large values
+              if ( Math.abs( scope.object.up.dot( _ray.direction ) ) < TILT_LIMIT ) {
+
+                object.lookAt( scope.target );
+
+              } else {
+
+                _plane.setFromNormalAndCoplanarPoint( scope.object.up, scope.target );
+                _ray.intersectPlane( _plane, scope.target );
+
+              }
+
+            }
+
+          }
+
+        } else if ( scope.object.isOrthographicCamera ) {
+
+          const prevZoom = scope.object.zoom;
+          scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / scale ) );
+
+          if ( prevZoom !== scope.object.zoom ) {
+
+            scope.object.updateProjectionMatrix();
+            zoomChanged = true;
+
+          }
+
+        }
+
+        scale = 1;
+        performCursorZoom = false;
+
+        // 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 ||
+          lastTargetPosition.distanceToSquared( scope.target ) > EPS ) {
+
+          scope.dispatchEvent( _changeEvent );
+
+          lastPosition.copy( scope.object.position );
+          lastQuaternion.copy( scope.object.quaternion );
+          lastTargetPosition.copy( scope.target );
+
+          return true;
+
+        }
+
+        return false;
+
+      };
+
+    }();
+
+    this.dispose = function () {
+
+      scope.domElement.removeEventListener( 'contextmenu', onContextMenu );
+
+      scope.domElement.removeEventListener( 'pointerdown', onPointerDown );
+      scope.domElement.removeEventListener( 'pointercancel', onPointerUp );
+      scope.domElement.removeEventListener( 'wheel', onMouseWheel );
+
+      scope.domElement.removeEventListener( 'pointermove', onPointerMove );
+      scope.domElement.removeEventListener( 'pointerup', onPointerUp );
+
+      const document = scope.domElement.getRootNode(); // offscreen canvas compatibility
+
+      document.removeEventListener( 'keydown', interceptControlDown, { capture: true } );
+
+      if ( scope._domElementKeyEvents !== null ) {
+
+        scope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );
+        scope._domElementKeyEvents = null;
+
+      }
+
+      //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
+
+    };
+
+    //
+    // internals
+    //
+
+    const scope = this;
+
+    const STATE = {
+      NONE: - 1,
+      ROTATE: 0,
+      DOLLY: 1,
+      PAN: 2,
+      TOUCH_ROTATE: 3,
+      TOUCH_PAN: 4,
+      TOUCH_DOLLY_PAN: 5,
+      TOUCH_DOLLY_ROTATE: 6
+    };
+
+    let state = STATE.NONE;
+
+    const EPS = 0.000001;
+
+    // current position in spherical coordinates
+    const spherical = new Spherical();
+    const sphericalDelta = new Spherical();
+
+    let scale = 1;
+    const panOffset = new Vector3();
+
+    const rotateStart = new Vector2();
+    const rotateEnd = new Vector2();
+    const rotateDelta = new Vector2();
+
+    const panStart = new Vector2();
+    const panEnd = new Vector2();
+    const panDelta = new Vector2();
+
+    const dollyStart = new Vector2();
+    const dollyEnd = new Vector2();
+    const dollyDelta = new Vector2();
+
+    const dollyDirection = new Vector3();
+    const mouse = new Vector2();
+    let performCursorZoom = false;
+
+    const pointers = [];
+    const pointerPositions = {};
+
+    let controlActive = false;
+
+    function getAutoRotationAngle( deltaTime ) {
+
+      if ( deltaTime !== null ) {
+
+        return ( 2 * Math.PI / 60 * scope.autoRotateSpeed ) * deltaTime;
+
+      } else {
+
+        return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
+
+      }
+
+    }
+
+    function getZoomScale( delta ) {
+
+      const normalizedDelta = Math.abs( delta * 0.01 );
+      return Math.pow( 0.95, scope.zoomSpeed * normalizedDelta );
+
+    }
+
+    function rotateLeft( angle ) {
+
+      sphericalDelta.theta -= angle;
+
+    }
+
+    function rotateUp( angle ) {
+
+      sphericalDelta.phi -= angle;
+
+    }
+
+    const panLeft = function () {
+
+      const v = new Vector3();
+
+      return function panLeft( distance, objectMatrix ) {
+
+        v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix
+        v.multiplyScalar( - distance );
+
+        panOffset.add( v );
+
+      };
+
+    }();
+
+    const panUp = function () {
+
+      const v = new Vector3();
+
+      return function panUp( distance, objectMatrix ) {
+
+        if ( scope.screenSpacePanning === true ) {
+
+          v.setFromMatrixColumn( objectMatrix, 1 );
+
+        } else {
+
+          v.setFromMatrixColumn( objectMatrix, 0 );
+          v.crossVectors( scope.object.up, v );
+
+        }
+
+        v.multiplyScalar( distance );
+
+        panOffset.add( v );
+
+      };
+
+    }();
+
+    // deltaX and deltaY are in pixels; right and down are positive
+    const pan = function () {
+
+      const offset = new Vector3();
+
+      return function pan( deltaX, deltaY ) {
+
+        const element = scope.domElement;
+
+        if ( scope.object.isPerspectiveCamera ) {
+
+          // perspective
+          const position = scope.object.position;
+          offset.copy( position ).sub( scope.target );
+          let 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 use only clientHeight here so aspect ratio does not distort speed
+          panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );
+          panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );
+
+        } else if ( scope.object.isOrthographicCamera ) {
+
+          // 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 dollyOut( dollyScale ) {
+
+      if ( scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera ) {
+
+        scale /= dollyScale;
+
+      } else {
+
+        console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
+        scope.enableZoom = false;
+
+      }
+
+    }
+
+    function dollyIn( dollyScale ) {
+
+      if ( scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera ) {
+
+        scale *= dollyScale;
+
+      } else {
+
+        console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
+        scope.enableZoom = false;
+
+      }
+
+    }
+
+    function updateZoomParameters( x, y ) {
+
+      if ( ! scope.zoomToCursor ) {
+
+        return;
+
+      }
+
+      performCursorZoom = true;
+
+      const rect = scope.domElement.getBoundingClientRect();
+      const dx = x - rect.left;
+      const dy = y - rect.top;
+      const w = rect.width;
+      const h = rect.height;
+
+      mouse.x = ( dx / w ) * 2 - 1;
+      mouse.y = - ( dy / h ) * 2 + 1;
+
+      dollyDirection.set( mouse.x, mouse.y, 1 ).unproject( scope.object ).sub( scope.object.position ).normalize();
+
+    }
+
+    function clampDistance( dist ) {
+
+      return Math.max( scope.minDistance, Math.min( scope.maxDistance, dist ) );
+
+    }
+
+    //
+    // event callbacks - update the object state
+    //
+
+    function handleMouseDownRotate( event ) {
+
+      rotateStart.set( event.clientX, event.clientY );
+
+    }
+
+    function handleMouseDownDolly( event ) {
+
+      updateZoomParameters( event.clientX, event.clientX );
+      dollyStart.set( event.clientX, event.clientY );
+
+    }
+
+    function handleMouseDownPan( event ) {
+
+      panStart.set( event.clientX, event.clientY );
+
+    }
+
+    function handleMouseMoveRotate( event ) {
+
+      rotateEnd.set( event.clientX, event.clientY );
+
+      rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );
+
+      const element = scope.domElement;
+
+      rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
+
+      rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );
+
+      rotateStart.copy( rotateEnd );
+
+      scope.update();
+
+    }
+
+    function handleMouseMoveDolly( event ) {
+
+      dollyEnd.set( event.clientX, event.clientY );
+
+      dollyDelta.subVectors( dollyEnd, dollyStart );
+
+      if ( dollyDelta.y > 0 ) {
+
+        dollyOut( getZoomScale( dollyDelta.y ) );
+
+      } else if ( dollyDelta.y < 0 ) {
+
+        dollyIn( getZoomScale( dollyDelta.y ) );
+
+      }
+
+      dollyStart.copy( dollyEnd );
+
+      scope.update();
+
+    }
+
+    function handleMouseMovePan( event ) {
+
+      panEnd.set( event.clientX, event.clientY );
+
+      panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );
+
+      pan( panDelta.x, panDelta.y );
+
+      panStart.copy( panEnd );
+
+      scope.update();
+
+    }
+
+    function handleMouseWheel( event ) {
+
+      updateZoomParameters( event.clientX, event.clientY );
+
+      if ( event.deltaY < 0 ) {
+
+        dollyIn( getZoomScale( event.deltaY ) );
+
+      } else if ( event.deltaY > 0 ) {
+
+        dollyOut( getZoomScale( event.deltaY ) );
+
+      }
+
+      scope.update();
+
+    }
+
+    function handleKeyDown( event ) {
+
+      let needsUpdate = false;
+
+      switch ( event.code ) {
+
+        case scope.keys.UP:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            rotateUp( 2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight );
+
+          } else {
+
+            pan( 0, scope.keyPanSpeed );
+
+          }
+
+          needsUpdate = true;
+          break;
+
+        case scope.keys.BOTTOM:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            rotateUp( - 2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight );
+
+          } else {
+
+            pan( 0, - scope.keyPanSpeed );
+
+          }
+
+          needsUpdate = true;
+          break;
+
+        case scope.keys.LEFT:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            rotateLeft( 2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight );
+
+          } else {
+
+            pan( scope.keyPanSpeed, 0 );
+
+          }
+
+          needsUpdate = true;
+          break;
+
+        case scope.keys.RIGHT:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            rotateLeft( - 2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight );
+
+          } else {
+
+            pan( - scope.keyPanSpeed, 0 );
+
+          }
+
+          needsUpdate = true;
+          break;
+
+      }
+
+      if ( needsUpdate ) {
+
+        // prevent the browser from scrolling on cursor keys
+        event.preventDefault();
+
+        scope.update();
+
+      }
+
+
+    }
+
+    function handleTouchStartRotate( event ) {
+
+      if ( pointers.length === 1 ) {
+
+        rotateStart.set( event.pageX, event.pageY );
+
+      } else {
+
+        const position = getSecondPointerPosition( event );
+
+        const x = 0.5 * ( event.pageX + position.x );
+        const y = 0.5 * ( event.pageY + position.y );
+
+        rotateStart.set( x, y );
+
+      }
+
+    }
+
+    function handleTouchStartPan( event ) {
+
+      if ( pointers.length === 1 ) {
+
+        panStart.set( event.pageX, event.pageY );
+
+      } else {
+
+        const position = getSecondPointerPosition( event );
+
+        const x = 0.5 * ( event.pageX + position.x );
+        const y = 0.5 * ( event.pageY + position.y );
+
+        panStart.set( x, y );
+
+      }
+
+    }
+
+    function handleTouchStartDolly( event ) {
+
+      const position = getSecondPointerPosition( event );
+
+      const dx = event.pageX - position.x;
+      const dy = event.pageY - position.y;
+
+      const distance = Math.sqrt( dx * dx + dy * dy );
+
+      dollyStart.set( 0, distance );
+
+    }
+
+    function handleTouchStartDollyPan( event ) {
+
+      if ( scope.enableZoom ) handleTouchStartDolly( event );
+
+      if ( scope.enablePan ) handleTouchStartPan( event );
+
+    }
+
+    function handleTouchStartDollyRotate( event ) {
+
+      if ( scope.enableZoom ) handleTouchStartDolly( event );
+
+      if ( scope.enableRotate ) handleTouchStartRotate( event );
+
+    }
+
+    function handleTouchMoveRotate( event ) {
+
+      if ( pointers.length == 1 ) {
+
+        rotateEnd.set( event.pageX, event.pageY );
+
+      } else {
+
+        const position = getSecondPointerPosition( event );
+
+        const x = 0.5 * ( event.pageX + position.x );
+        const y = 0.5 * ( event.pageY + position.y );
+
+        rotateEnd.set( x, y );
+
+      }
+
+      rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );
+
+      const element = scope.domElement;
+
+      rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
+
+      rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );
+
+      rotateStart.copy( rotateEnd );
+
+    }
+
+    function handleTouchMovePan( event ) {
+
+      if ( pointers.length === 1 ) {
+
+        panEnd.set( event.pageX, event.pageY );
+
+      } else {
+
+        const position = getSecondPointerPosition( event );
+
+        const x = 0.5 * ( event.pageX + position.x );
+        const y = 0.5 * ( event.pageY + position.y );
+
+        panEnd.set( x, y );
+
+      }
+
+      panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );
+
+      pan( panDelta.x, panDelta.y );
+
+      panStart.copy( panEnd );
+
+    }
+
+    function handleTouchMoveDolly( event ) {
+
+      const position = getSecondPointerPosition( event );
+
+      const dx = event.pageX - position.x;
+      const dy = event.pageY - position.y;
+
+      const distance = Math.sqrt( dx * dx + dy * dy );
+
+      dollyEnd.set( 0, distance );
+
+      dollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );
+
+      dollyOut( dollyDelta.y );
+
+      dollyStart.copy( dollyEnd );
+
+      const centerX = ( event.pageX + position.x ) * 0.5;
+      const centerY = ( event.pageY + position.y ) * 0.5;
+
+      updateZoomParameters( centerX, centerY );
+
+    }
+
+    function handleTouchMoveDollyPan( event ) {
+
+      if ( scope.enableZoom ) handleTouchMoveDolly( event );
+
+      if ( scope.enablePan ) handleTouchMovePan( event );
+
+    }
+
+    function handleTouchMoveDollyRotate( event ) {
+
+      if ( scope.enableZoom ) handleTouchMoveDolly( event );
+
+      if ( scope.enableRotate ) handleTouchMoveRotate( event );
+
+    }
+
+    //
+    // event handlers - FSM: listen for events and reset state
+    //
+
+    function onPointerDown( event ) {
+
+      if ( scope.enabled === false ) return;
+
+      if ( pointers.length === 0 ) {
+
+        scope.domElement.setPointerCapture( event.pointerId );
+
+        scope.domElement.addEventListener( 'pointermove', onPointerMove );
+        scope.domElement.addEventListener( 'pointerup', onPointerUp );
+
+      }
+
+      //
+
+      if ( isTrackingPointer( event ) ) return;
+
+      //
+
+      addPointer( event );
+
+      if ( event.pointerType === 'touch' ) {
+
+        onTouchStart( event );
+
+      } else {
+
+        onMouseDown( event );
+
+      }
+
+    }
+
+    function onPointerMove( event ) {
+
+      if ( scope.enabled === false ) return;
+
+      if ( event.pointerType === 'touch' ) {
+
+        onTouchMove( event );
+
+      } else {
+
+        onMouseMove( event );
+
+      }
+
+    }
+
+    function onPointerUp( event ) {
+
+      removePointer( event );
+
+      switch ( pointers.length ) {
+
+        case 0:
+
+          scope.domElement.releasePointerCapture( event.pointerId );
+
+          scope.domElement.removeEventListener( 'pointermove', onPointerMove );
+          scope.domElement.removeEventListener( 'pointerup', onPointerUp );
+
+          scope.dispatchEvent( _endEvent );
+
+          state = STATE.NONE;
+
+          break;
+
+        case 1:
+
+          const pointerId = pointers[ 0 ];
+          const position = pointerPositions[ pointerId ];
+
+          // minimal placeholder event - allows state correction on pointer-up
+          onTouchStart( { pointerId: pointerId, pageX: position.x, pageY: position.y } );
+
+          break;
+
+      }
+
+    }
+
+    function onMouseDown( event ) {
+
+      let mouseAction;
+
+      switch ( event.button ) {
+
+        case 0:
+
+          mouseAction = scope.mouseButtons.LEFT;
+          break;
+
+        case 1:
+
+          mouseAction = scope.mouseButtons.MIDDLE;
+          break;
+
+        case 2:
+
+          mouseAction = scope.mouseButtons.RIGHT;
+          break;
+
+        default:
+
+          mouseAction = - 1;
+
+      }
+
+      switch ( mouseAction ) {
+
+        case MOUSE.DOLLY:
+
+          if ( scope.enableZoom === false ) return;
+
+          handleMouseDownDolly( event );
+
+          state = STATE.DOLLY;
+
+          break;
+
+        case MOUSE.ROTATE:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            if ( scope.enablePan === false ) return;
+
+            handleMouseDownPan( event );
+
+            state = STATE.PAN;
+
+          } else {
+
+            if ( scope.enableRotate === false ) return;
+
+            handleMouseDownRotate( event );
+
+            state = STATE.ROTATE;
+
+          }
+
+          break;
+
+        case MOUSE.PAN:
+
+          if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
+
+            if ( scope.enableRotate === false ) return;
+
+            handleMouseDownRotate( event );
+
+            state = STATE.ROTATE;
+
+          } else {
+
+            if ( scope.enablePan === false ) return;
+
+            handleMouseDownPan( event );
+
+            state = STATE.PAN;
+
+          }
+
+          break;
+
+        default:
+
+          state = STATE.NONE;
+
+      }
+
+      if ( state !== STATE.NONE ) {
+
+        scope.dispatchEvent( _startEvent );
+
+      }
+
+    }
+
+    function onMouseMove( event ) {
+
+      switch ( state ) {
+
+        case STATE.ROTATE:
+
+          if ( scope.enableRotate === false ) return;
+
+          handleMouseMoveRotate( event );
+
+          break;
+
+        case STATE.DOLLY:
+
+          if ( scope.enableZoom === false ) return;
+
+          handleMouseMoveDolly( event );
+
+          break;
+
+        case STATE.PAN:
+
+          if ( scope.enablePan === false ) return;
+
+          handleMouseMovePan( event );
+
+          break;
+
+      }
+
+    }
+
+    function onMouseWheel( event ) {
+
+      if ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;
+
+      event.preventDefault();
+
+      scope.dispatchEvent( _startEvent );
+
+      handleMouseWheel( customWheelEvent( event ) );
+
+      scope.dispatchEvent( _endEvent );
+
+    }
+
+    function customWheelEvent( event ) {
+
+      const mode = event.deltaMode;
+
+      // minimal wheel event altered to meet delta-zoom demand
+      const newEvent = {
+        clientX: event.clientX,
+        clientY: event.clientY,
+        deltaY: event.deltaY,
+      };
+
+      switch ( mode ) {
+
+        case 1: // LINE_MODE
+          newEvent.deltaY *= 16;
+          break;
+
+        case 2: // PAGE_MODE
+          newEvent.deltaY *= 100;
+          break;
+
+      }
+
+      // detect if event was triggered by pinching
+      if ( event.ctrlKey && ! controlActive ) {
+
+        newEvent.deltaY *= 10;
+
+      }
+
+      return newEvent;
+
+    }
+
+    function interceptControlDown( event ) {
+
+      if ( event.key === 'Control' ) {
+
+        controlActive = true;
+
+
+        const document = scope.domElement.getRootNode(); // offscreen canvas compatibility
+
+        document.addEventListener( 'keyup', interceptControlUp, { passive: true, capture: true } );
+
+      }
+
+    }
+
+    function interceptControlUp( event ) {
+
+      if ( event.key === 'Control' ) {
+
+        controlActive = false;
+
+
+        const document = scope.domElement.getRootNode(); // offscreen canvas compatibility
+
+        document.removeEventListener( 'keyup', interceptControlUp, { passive: true, capture: true } );
+
+      }
+
+    }
+
+    function onKeyDown( event ) {
+
+      if ( scope.enabled === false || scope.enablePan === false ) return;
+
+      handleKeyDown( event );
+
+    }
+
+    function onTouchStart( event ) {
+
+      trackPointer( event );
+
+      switch ( pointers.length ) {
+
+        case 1:
+
+          switch ( scope.touches.ONE ) {
+
+            case TOUCH.ROTATE:
+
+              if ( scope.enableRotate === false ) return;
+
+              handleTouchStartRotate( event );
+
+              state = STATE.TOUCH_ROTATE;
+
+              break;
+
+            case TOUCH.PAN:
+
+              if ( scope.enablePan === false ) return;
+
+              handleTouchStartPan( event );
+
+              state = STATE.TOUCH_PAN;
+
+              break;
+
+            default:
+
+              state = STATE.NONE;
+
+          }
+
+          break;
+
+        case 2:
+
+          switch ( scope.touches.TWO ) {
+
+            case TOUCH.DOLLY_PAN:
+
+              if ( scope.enableZoom === false && scope.enablePan === false ) return;
+
+              handleTouchStartDollyPan( event );
+
+              state = STATE.TOUCH_DOLLY_PAN;
+
+              break;
+
+            case TOUCH.DOLLY_ROTATE:
+
+              if ( scope.enableZoom === false && scope.enableRotate === false ) return;
+
+              handleTouchStartDollyRotate( event );
+
+              state = STATE.TOUCH_DOLLY_ROTATE;
+
+              break;
+
+            default:
+
+              state = STATE.NONE;
+
+          }
+
+          break;
+
+        default:
+
+          state = STATE.NONE;
+
+      }
+
+      if ( state !== STATE.NONE ) {
+
+        scope.dispatchEvent( _startEvent );
+
+      }
+
+    }
+
+    function onTouchMove( event ) {
+
+      trackPointer( event );
+
+      switch ( state ) {
+
+        case STATE.TOUCH_ROTATE:
+
+          if ( scope.enableRotate === false ) return;
+
+          handleTouchMoveRotate( event );
+
+          scope.update();
+
+          break;
+
+        case STATE.TOUCH_PAN:
+
+          if ( scope.enablePan === false ) return;
+
+          handleTouchMovePan( event );
+
+          scope.update();
+
+          break;
+
+        case STATE.TOUCH_DOLLY_PAN:
+
+          if ( scope.enableZoom === false && scope.enablePan === false ) return;
+
+          handleTouchMoveDollyPan( event );
+
+          scope.update();
+
+          break;
+
+        case STATE.TOUCH_DOLLY_ROTATE:
+
+          if ( scope.enableZoom === false && scope.enableRotate === false ) return;
+
+          handleTouchMoveDollyRotate( event );
+
+          scope.update();
+
+          break;
+
+        default:
+
+          state = STATE.NONE;
+
+      }
+
+    }
+
+    function onContextMenu( event ) {
+
+      if ( scope.enabled === false ) return;
+
+      event.preventDefault();
+
+    }
+
+    function addPointer( event ) {
+
+      pointers.push( event.pointerId );
+
+    }
+
+    function removePointer( event ) {
+
+      delete pointerPositions[ event.pointerId ];
+
+      for ( let i = 0; i < pointers.length; i ++ ) {
+
+        if ( pointers[ i ] == event.pointerId ) {
+
+          pointers.splice( i, 1 );
+          return;
+
+        }
+
+      }
+
+    }
+
+    function isTrackingPointer( event ) {
+
+      for ( let i = 0; i < pointers.length; i ++ ) {
+
+        if ( pointers[ i ] == event.pointerId ) return true;
+
+      }
+
+      return false;
+
+    }
+
+    function trackPointer( event ) {
+
+      let position = pointerPositions[ event.pointerId ];
+
+      if ( position === undefined ) {
+
+        position = new Vector2();
+        pointerPositions[ event.pointerId ] = position;
+
+      }
+
+      position.set( event.pageX, event.pageY );
+
+    }
+
+    function getSecondPointerPosition( event ) {
+
+      const pointerId = ( event.pointerId === pointers[ 0 ] ) ? pointers[ 1 ] : pointers[ 0 ];
+
+      return pointerPositions[ pointerId ];
+
+    }
+
+    //
+
+    scope.domElement.addEventListener( 'contextmenu', onContextMenu );
+
+    scope.domElement.addEventListener( 'pointerdown', onPointerDown );
+    scope.domElement.addEventListener( 'pointercancel', onPointerUp );
+    scope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );
+
+    const document = scope.domElement.getRootNode(); // offscreen canvas compatibility
+
+    document.addEventListener( 'keydown', interceptControlDown, { passive: true, capture: true } );
+
+    // force an update at start
+
+    this.update();
+
+  }
+
+}
+
+export { OrbitControls };
\ No newline at end of file