Update orbit-camera.js

orbit-camera.js

@@ -112,18 +112,23 @@ OrbitCamera.prototype.initialize = function () {
     var onWindowResize = function () { self._checkAspectRatio(); };
     window.addEventListener('resize', onWindowResize, false);
     this._checkAspectRatio();
+
     this._modelsAabb = new pc.BoundingBox();
     this._buildAabb(this.focusEntity || this.app.root);
+
     this.entity.lookAt(this._modelsAabb.center);
     this._pivotPoint = new pc.Vec3();
     this._pivotPoint.copy(this._modelsAabb.center);
+
     var cameraQuat = this.entity.getRotation();
     this._yaw = this._calcYaw(cameraQuat);
     this._pitch = this._clampPitchAngle(this._calcPitch(cameraQuat, this._yaw));
     this.entity.setLocalEulerAngles(this._pitch, this._yaw, 0);
+
     this._distance = 0;
     this._targetYaw = this._yaw;
     this._targetPitch = this._pitch;
+
     if (this.frameOnStart) {
         this.focus(this.focusEntity || this.app.root);
     } else {
@@ -132,17 +137,21 @@ OrbitCamera.prototype.initialize = function () {
         this._distance = this._clampDistance(distanceBetween.length());
     }
     this._targetDistance = this._distance;
+
     this.on('attr:distanceMin', function () { this._distance = this._clampDistance(this._distance); });
     this.on('attr:distanceMax', function () { this._distance = this._clampDistance(this._distance); });
     this.on('attr:pitchAngleMin', function () { this._pitch = this._clampPitchAngle(this._pitch); });
     this.on('attr:pitchAngleMax', function () { this._pitch = this._clampPitchAngle(this._pitch); });
+
     this.on('attr:focusEntity', function (value) {
         if (this.frameOnStart) { this.focus(value || this.app.root); }
         else { this.resetAndLookAtEntity(this.entity.getPosition(), value || this.app.root); }
     });
+
     this.on('attr:frameOnStart', function (value) {
         if (value) { this.focus(this.focusEntity || this.app.root); }
     });
+
     this.on('destroy', function () { window.removeEventListener('resize', onWindowResize, false); });
 };
 
@@ -157,12 +166,15 @@ OrbitCamera.prototype.update = function (dt) {
 OrbitCamera.prototype._updatePosition = function () {
     this.entity.setLocalPosition(0, 0, 0);
     this.entity.setLocalEulerAngles(this._pitch, this._yaw, 0);
+
     var position = this.entity.getPosition();
     position.copy(this.entity.forward);
     position.mulScalar(-this._distance);
     position.add(this.pivotPoint);
+
     // Clamp camera's Y position so it never goes below minY
     position.y = Math.max(position.y, this.minY);
+
     this.entity.setPosition(position);
 };
 
@@ -180,6 +192,7 @@ OrbitCamera.prototype._checkAspectRatio = function () {
 
 OrbitCamera.prototype._buildAabb = function (entity) {
     var i, m, meshInstances = [];
+
     var renders = entity.findComponents('render');
     for (i = 0; i < renders.length; i++) {
         var render = renders[i];
@@ -187,6 +200,7 @@ OrbitCamera.prototype._buildAabb = function (entity) {
             meshInstances.push(render.meshInstances[m]);
         }
     }
+
     var models = entity.findComponents('model');
     for (i = 0; i < models.length; i++) {
         var model = models[i];
@@ -194,6 +208,7 @@ OrbitCamera.prototype._buildAabb = function (entity) {
             meshInstances.push(model.meshInstances[m]);
         }
     }
+
     var gsplats = entity.findComponents('gsplat');
     for (i = 0; i < gsplats.length; i++) {
         var gsplat = gsplats[i];
@@ -202,6 +217,7 @@ OrbitCamera.prototype._buildAabb = function (entity) {
             meshInstances.push(instance.meshInstance);
         }
     }
+
     for (i = 0; i < meshInstances.length; i++) {
         if (i === 0) {
             this._modelsAabb.copy(meshInstances[i].aabb);
@@ -252,14 +268,17 @@ OrbitCameraInputMouse.attributes.add('distanceSensitivity', { type: 'number', de
 
 OrbitCameraInputMouse.prototype.initialize = function () {
     this.orbitCamera = this.entity.script.orbitCamera;
+
     if (this.orbitCamera) {
         var self = this;
-        var onMouseOut = function (e) { self.onMouseOut(e); };
+        var onMouseOut = function () { self.onMouseOut(); };
+
         this.app.mouse.on(pc.EVENT_MOUSEDOWN, this.onMouseDown, this);
         this.app.mouse.on(pc.EVENT_MOUSEUP, this.onMouseUp, this);
         this.app.mouse.on(pc.EVENT_MOUSEMOVE, this.onMouseMove, this);
         this.app.mouse.on(pc.EVENT_MOUSEWHEEL, this.onMouseWheel, this);
         window.addEventListener('mouseout', onMouseOut, false);
+
         this.on('destroy', function () {
             this.app.mouse.off(pc.EVENT_MOUSEDOWN, this.onMouseDown, this);
             this.app.mouse.off(pc.EVENT_MOUSEUP, this.onMouseUp, this);
@@ -268,11 +287,14 @@ OrbitCameraInputMouse.prototype.initialize = function () {
             window.removeEventListener('mouseout', onMouseOut, false);
         });
     }
+
     this.app.mouse.disableContextMenu();
+
     this.lookButtonDown = false;
     this.panButtonDown = false;
     this.lastPoint = new pc.Vec2();
 };
+
 OrbitCameraInputMouse.fromWorldPoint = new pc.Vec3();
 OrbitCameraInputMouse.toWorldPoint = new pc.Vec3();
 OrbitCameraInputMouse.worldDiff = new pc.Vec3();
@@ -281,13 +303,16 @@ OrbitCameraInputMouse.prototype.pan = function (screenPoint) {
     var fromWorldPoint = OrbitCameraInputMouse.fromWorldPoint;
     var toWorldPoint = OrbitCameraInputMouse.toWorldPoint;
     var worldDiff = OrbitCameraInputMouse.worldDiff;
+
     var camera = this.entity.camera;
     var distance = this.orbitCamera.distance;
+
     camera.screenToWorld(screenPoint.x, screenPoint.y, distance, fromWorldPoint);
     camera.screenToWorld(this.lastPoint.x, this.lastPoint.y, distance, toWorldPoint);
+
     worldDiff.sub2(toWorldPoint, fromWorldPoint);
 
-    // Clamp so camera never goes below minY
+    // Enforce minY like vertical/horizontal pan with arrows
     var proposedPivot = this.orbitCamera.pivotPoint.clone().add(worldDiff);
     var minY = this.orbitCamera.minY;
     var resultingY = this.orbitCamera.worldCameraYForPivot(proposedPivot);
@@ -295,14 +320,13 @@ OrbitCameraInputMouse.prototype.pan = function (screenPoint) {
     if (resultingY >= minY - 1e-4) {
         this.orbitCamera.pivotPoint.add(worldDiff);
     } else {
-        // Only allow horizontal pan if it would help
+        // Try horizontal-only
         worldDiff.y = 0;
         proposedPivot = this.orbitCamera.pivotPoint.clone().add(worldDiff);
         resultingY = this.orbitCamera.worldCameraYForPivot(proposedPivot);
         if (resultingY >= minY - 1e-4) {
             this.orbitCamera.pivotPoint.add(worldDiff);
         }
-        // Otherwise, suppress pan
     }
 };
 
@@ -313,6 +337,7 @@ OrbitCameraInputMouse.prototype.onMouseDown = function (event) {
         case pc.MOUSEBUTTON_RIGHT: this.lookButtonDown = true; break;
     }
 };
+
 OrbitCameraInputMouse.prototype.onMouseUp = function (event) {
     switch (event.button) {
         case pc.MOUSEBUTTON_LEFT: this.panButtonDown = false; break;
@@ -320,10 +345,12 @@ OrbitCameraInputMouse.prototype.onMouseUp = function (event) {
         case pc.MOUSEBUTTON_RIGHT: this.lookButtonDown = false; break;
     }
 };
+
 OrbitCameraInputMouse.prototype.onMouseMove = function (event) {
     if (this.lookButtonDown) {
         var sens = this.orbitSensitivity;
-        var deltaPitch = event.dy * sens;
+
+        var deltaPitch = event.dy * sens; // mouse up (dy < 0) raises pitch
         var deltaYaw = event.dx * sens;
 
         var currPitch = this.orbitCamera.pitch;
@@ -346,6 +373,7 @@ OrbitCameraInputMouse.prototype.onMouseMove = function (event) {
 
         var minY = this.orbitCamera.minY;
         var wouldGoBelow = proposedY < minY - 1e-4;
+
         if (wouldGoBelow && (proposedY < preY)) {
             this.orbitCamera.yaw = currYaw - deltaYaw;
         } else {
@@ -355,6 +383,7 @@ OrbitCameraInputMouse.prototype.onMouseMove = function (event) {
     } else if (this.panButtonDown) {
         this.pan(new pc.Vec2(event.x, event.y));
     }
+
     this.lastPoint.set(event.x, event.y);
 };
 
@@ -366,6 +395,7 @@ OrbitCameraInputMouse.prototype.onMouseWheel = function (event) {
     }
     event.event.preventDefault();
 };
+
 OrbitCameraInputMouse.prototype.onMouseOut = function () {
     this.lookButtonDown = false;
     this.panButtonDown = false;
@@ -375,16 +405,19 @@ OrbitCameraInputMouse.prototype.onMouseOut = function () {
 var OrbitCameraInputTouch = pc.createScript('orbitCameraInputTouch');
 OrbitCameraInputTouch.attributes.add('orbitSensitivity', { type: 'number', default: 0.6, title: 'Orbit Sensitivity' });
 OrbitCameraInputTouch.attributes.add('distanceSensitivity', { type: 'number', default: 0.5, title: 'Distance Sensitivity' });
+
 OrbitCameraInputTouch.prototype.initialize = function () {
     this.orbitCamera = this.entity.script.orbitCamera;
     this.lastTouchPoint = new pc.Vec2();
     this.lastPinchMidPoint = new pc.Vec2();
     this.lastPinchDistance = 0;
+
     if (this.orbitCamera && this.app.touch) {
         this.app.touch.on(pc.EVENT_TOUCHSTART, this.onTouchStartEndCancel, this);
         this.app.touch.on(pc.EVENT_TOUCHEND, this.onTouchStartEndCancel, this);
         this.app.touch.on(pc.EVENT_TOUCHCANCEL, this.onTouchStartEndCancel, this);
         this.app.touch.on(pc.EVENT_TOUCHMOVE, this.onTouchMove, this);
+
         this.on('destroy', function () {
             this.app.touch.off(pc.EVENT_TOUCHSTART, this.onTouchStartEndCancel, this);
             this.app.touch.off(pc.EVENT_TOUCHEND, this.onTouchStartEndCancel, this);
@@ -393,17 +426,20 @@ OrbitCameraInputTouch.prototype.initialize = function () {
         });
     }
 };
+
 OrbitCameraInputTouch.prototype.getPinchDistance = function (pointA, pointB) {
     var dx = pointA.x - pointB.x;
     var dy = pointA.y - pointB.y;
     return Math.sqrt((dx * dx) + (dy * dy));
 };
+
 OrbitCameraInputTouch.prototype.calcMidPoint = function (pointA, pointB, result) {
     result.set(pointB.x - pointA.x, pointB.y - pointA.y);
     result.mulScalar(0.5);
     result.x += pointA.x;
     result.y += pointA.y;
 };
+
 OrbitCameraInputTouch.prototype.onTouchStartEndCancel = function (event) {
     var touches = event.touches;
     if (touches.length === 1) {
@@ -413,17 +449,22 @@ OrbitCameraInputTouch.prototype.onTouchStartEndCancel = function (event) {
         this.calcMidPoint(touches[0], touches[1], this.lastPinchMidPoint);
     }
 };
+
 OrbitCameraInputTouch.fromWorldPoint = new pc.Vec3();
 OrbitCameraInputTouch.toWorldPoint = new pc.Vec3();
 OrbitCameraInputTouch.worldDiff = new pc.Vec3();
+
 OrbitCameraInputTouch.prototype.pan = function (midPoint) {
     var fromWorldPoint = OrbitCameraInputTouch.fromWorldPoint;
     var toWorldPoint = OrbitCameraInputTouch.toWorldPoint;
     var worldDiff = OrbitCameraInputTouch.worldDiff;
+
     var camera = this.entity.camera;
     var distance = this.orbitCamera.distance;
+
     camera.screenToWorld(midPoint.x, midPoint.y, distance, fromWorldPoint);
     camera.screenToWorld(this.lastPinchMidPoint.x, this.lastPinchMidPoint.y, distance, toWorldPoint);
+
     worldDiff.sub2(toWorldPoint, fromWorldPoint);
 
     var proposedPivot = this.orbitCamera.pivotPoint.clone().add(worldDiff);
@@ -447,9 +488,11 @@ OrbitCameraInputTouch.pinchMidPoint = new pc.Vec2();
 OrbitCameraInputTouch.prototype.onTouchMove = function (event) {
     var pinchMidPoint = OrbitCameraInputTouch.pinchMidPoint;
     var touches = event.touches;
+
     if (touches.length === 1) {
         var touch = touches[0];
         var sens = this.orbitSensitivity;
+
         var deltaPitch = (touch.y - this.lastTouchPoint.y) * sens;
         var deltaYaw = (touch.x - this.lastTouchPoint.x) * sens;
 
@@ -473,92 +516,151 @@ OrbitCameraInputTouch.prototype.onTouchMove = function (event) {
 
         var minY = this.orbitCamera.minY;
         var wouldGoBelow = proposedY < minY - 1e-4;
+
         if (wouldGoBelow && (proposedY < preY)) {
             this.orbitCamera.yaw = currYaw - deltaYaw;
         } else {
             this.orbitCamera.pitch = proposedPitch;
             this.orbitCamera.yaw = currYaw - deltaYaw;
         }
+
         this.lastTouchPoint.set(touch.x, touch.y);
     } else if (touches.length === 2) {
         var currentPinchDistance = this.getPinchDistance(touches[0], touches[1]);
         var diffInPinchDistance = currentPinchDistance - this.lastPinchDistance;
         this.lastPinchDistance = currentPinchDistance;
+
         this.orbitCamera.distance -= (diffInPinchDistance * this.distanceSensitivity * 0.1) * (this.orbitCamera.distance * 0.1);
+
         this.calcMidPoint(touches[0], touches[1], pinchMidPoint);
         this.pan(pinchMidPoint);
         this.lastPinchMidPoint.copy(pinchMidPoint);
     }
 };
 
-// =================== NEW: Orbit Camera Input Keyboard ========================
-// Translations with arrow keys (dolly/strafe) while keeping orbit behavior
+// =================== Orbit Camera Input Keyboard ========================
+// Arrows:
+// - No modifier:   Up/Down = vertical pan; Left/Right = strafe
+// - With Shift:    Up/Down = orbit pitch; Left/Right = orbit yaw
+// - With Ctrl:     Up/Down = zoom in/out
 var OrbitCameraInputKeyboard = pc.createScript('orbitCameraInputKeyboard');
-OrbitCameraInputKeyboard.attributes.add('forwardSpeed', { type: 'number', default: 1.2, title: 'Forward/Back Speed (rel. to distance)' });
+
+// Keep names for backward compatibility with your viewer.js
+OrbitCameraInputKeyboard.attributes.add('forwardSpeed', { type: 'number', default: 1.2, title: 'Vertical Speed (rel. to distance)' });
 OrbitCameraInputKeyboard.attributes.add('strafeSpeed',  { type: 'number', default: 1.2, title: 'Left/Right Speed (rel. to distance)' });
-OrbitCameraInputKeyboard.attributes.add('fastMultiplier', { type: 'number', default: 2.5, title: 'Shift Speed Multiplier' });
-OrbitCameraInputKeyboard.attributes.add('slowMultiplier', { type: 'number', default: 0.5, title: 'Ctrl Speed Multiplier' });
+OrbitCameraInputKeyboard.attributes.add('fastMultiplier', { type: 'number', default: 2.0, title: 'Shift Speed Multiplier' });
+OrbitCameraInputKeyboard.attributes.add('slowMultiplier', { type: 'number', default: 0.5, title: 'Ctrl Slow Multiplier (when translating)' });
+
+// New fine-tuning attributes
+OrbitCameraInputKeyboard.attributes.add('orbitPitchSpeedDeg', { type: 'number', default: 90, title: 'Orbit Pitch Speed (deg/s) [Shift+Up/Down]' });
+OrbitCameraInputKeyboard.attributes.add('orbitYawSpeedDeg',   { type: 'number', default: 120, title: 'Orbit Yaw Speed (deg/s) [Shift+Left/Right]' });
+OrbitCameraInputKeyboard.attributes.add('zoomKeySensitivity', { type: 'number', default: 3.0, title: 'Zoom Sensitivity (1/s) [Ctrl+Up/Down]' });
 
 OrbitCameraInputKeyboard.prototype.initialize = function () {
     this.orbitCamera = this.entity.script.orbitCamera;
     this.keyboard = this.app.keyboard || null;
-
-    // If the app had no keyboard device, this script can't work.
-    // (viewer.js update below adds one)
 };
 
 OrbitCameraInputKeyboard.prototype.update = function (dt) {
     if (!this.orbitCamera || !this.keyboard) return;
 
-    var moveForward = 0, moveRight = 0;
+    var up = this.keyboard.isPressed(pc.KEY_UP);
+    var dn = this.keyboard.isPressed(pc.KEY_DOWN);
+    var lt = this.keyboard.isPressed(pc.KEY_LEFT);
+    var rt = this.keyboard.isPressed(pc.KEY_RIGHT);
+
+    var shift = this.keyboard.isPressed(pc.KEY_SHIFT);
+    var ctrl  = this.keyboard.isPressed(pc.KEY_CONTROL);
+
+    // ---- SHIFT: Orbit (pitch / yaw) ----
+    if (shift && (up || dn || lt || rt)) {
+        // Yaw (left/right) — follow same sign convention as mouse: yaw = yaw - delta
+        var yawDeltaDeg = (rt ? 1 : 0) - (lt ? 1 : 0);
+        if (yawDeltaDeg !== 0) {
+            var dYaw = yawDeltaDeg * this.orbitYawSpeedDeg * dt;
+            this.orbitCamera.yaw = this.orbitCamera.yaw - dYaw; // setter clamps
+        }
 
-    if (this.keyboard.isPressed(pc.KEY_UP))    moveForward += 1;
-    if (this.keyboard.isPressed(pc.KEY_DOWN))  moveForward -= 1;
-    if (this.keyboard.isPressed(pc.KEY_RIGHT)) moveRight   += 1;
-    if (this.keyboard.isPressed(pc.KEY_LEFT))  moveRight   -= 1;
+        // Pitch (up/down) — enforce minY like mouse rotate
+        var pitchDeltaDeg = (up ? 1 : 0) - (dn ? 1 : 0);
+        if (pitchDeltaDeg !== 0) {
+            var dPitch = pitchDeltaDeg * this.orbitPitchSpeedDeg * dt;
 
-    if (moveForward === 0 && moveRight === 0) return;
+            var currPitch = this.orbitCamera.pitch;
+            var currYaw   = this.orbitCamera.yaw;
+            var currDist  = this.orbitCamera.distance;
+            var currPivot = this.orbitCamera.pivotPoint.clone();
 
-    // Speed scales with current distance so the feel stays consistent
-    var dist = Math.max(0.1, this.orbitCamera.distance);
-    var speedF = this.forwardSpeed * dist;
-    var speedR = this.strafeSpeed  * dist;
+            var camQuat = new pc.Quat().setFromEulerAngles(currPitch, currYaw, 0);
+            var forward = new pc.Vec3(); camQuat.transformVector(pc.Vec3.FORWARD, forward);
+            var preY = currPivot.y + (-forward.y) * currDist;
+
+            var testPitch = currPitch + dPitch;
+            var testQuat = new pc.Quat().setFromEulerAngles(testPitch, currYaw, 0);
+            var testForward = new pc.Vec3(); testQuat.transformVector(pc.Vec3.FORWARD, testForward);
+            var proposedY = currPivot.y + (-testForward.y) * currDist;
+
+            var minY = this.orbitCamera.minY;
+            var wouldGoBelow = proposedY < minY - 1e-4;
 
-    // Modifiers
-    if (this.keyboard.isPressed(pc.KEY_SHIFT)) {
-        speedF *= this.fastMultiplier;
-        speedR *= this.fastMultiplier;
-    } else if (this.keyboard.isPressed(pc.KEY_CONTROL)) {
-        speedF *= this.slowMultiplier;
-        speedR *= this.slowMultiplier;
+            if (!(wouldGoBelow && (proposedY < preY))) {
+                this.orbitCamera.pitch = testPitch; // setter clamps
+            }
+        }
+        return;
     }
 
-    // World-space basis (flattened on XZ plane so we don't change altitude)
-    var fwd = this.entity.forward.clone(); fwd.y = 0; if (fwd.lengthSq() > 1e-8) fwd.normalize();
-    var right = this.entity.right.clone(); right.y = 0; if (right.lengthSq() > 1e-8) right.normalize();
+    // ---- CTRL: Zoom (up/down) ----
+    if (ctrl && (up || dn)) {
+        var zoomSign = (up ? 1 : 0) - (dn ? 1 : 0); // up => +1 (zoom in), down => -1 (zoom out)
+        if (zoomSign !== 0) {
+            if (this.entity.camera.projection === pc.PROJECTION_PERSPECTIVE) {
+                var dz = zoomSign * this.zoomKeySensitivity * (this.orbitCamera.distance * 0.5) * dt;
+                this.orbitCamera.distance -= dz; // setter clamps
+            } else {
+                var doh = zoomSign * this.zoomKeySensitivity * (this.orbitCamera.orthoHeight * 0.5) * dt;
+                this.orbitCamera.orthoHeight -= doh; // clamped >= 0 by setter
+            }
+        }
+        return;
+    }
 
-    // Combine
-    var worldDiff = new pc.Vec3();
-    worldDiff.add(fwd.mulScalar(moveForward * speedF * dt));
-    worldDiff.add(right.mulScalar(moveRight * speedR * dt));
+    // ---- No modifier: translate (vertical + strafe) ----
+    var moveVert = (up ? 1 : 0) - (dn ? 1 : 0); // Up=+1 => go up
+    var moveRight = (rt ? 1 : 0) - (lt ? 1 : 0);
 
-    if (worldDiff.lengthSq() === 0) return;
+    if (moveVert === 0 && moveRight === 0) return;
 
-    // Enforce minY exactly like pan() does (try full, then horizontal-only)
-    var proposedPivot = this.orbitCamera.pivotPoint.clone().add(worldDiff);
-    var minY = this.orbitCamera.minY;
-    var resultingY = this.orbitCamera.worldCameraYForPivot(proposedPivot);
+    // Base speeds relative to distance (consistent feel near/far)
+    var dist = Math.max(0.1, this.orbitCamera.distance);
+    var speedV = this.forwardSpeed * dist; // vertical speed (reuses attribute name)
+    var speedR = this.strafeSpeed  * dist;
 
-    if (resultingY >= minY - 1e-4) {
-        this.orbitCamera.pivotPoint.add(worldDiff);
-    } else {
-        // Try horizontal-only
-        worldDiff.y = 0;
-        proposedPivot = this.orbitCamera.pivotPoint.clone().add(worldDiff);
-        resultingY = this.orbitCamera.worldCameraYForPivot(proposedPivot);
-        if (resultingY >= minY - 1e-4) {
-            this.orbitCamera.pivotPoint.add(worldDiff);
+    // If user also holds Ctrl here (without Shift), we use it as "slow"
+    if (ctrl) { speedV *= this.slowMultiplier; speedR *= this.slowMultiplier; }
+    if (shift) { speedV *= this.fastMultiplier; speedR *= this.fastMultiplier; }
+
+    // Vertical move (pure Y in world space), respecting minY exactly:
+    var dy = moveVert * speedV * dt;
+    if (dy !== 0) {
+        var currentCamY = this.orbitCamera.worldCameraYForPivot(this.orbitCamera.pivotPoint);
+        var minY = this.orbitCamera.minY;
+
+        // cameraY with vertical pan changes by the same dy (cameraY = pivotY + const)
+        var proposedCamY = currentCamY + dy;
+        if (proposedCamY < minY) {
+            // clamp movement so we exactly stop at minY
+            dy = Math.max(dy, minY - currentCamY);
+        }
+        if (dy !== 0) {
+            this.orbitCamera._pivotPoint.y += dy;
         }
-        // otherwise suppress
+    }
+
+    // Strafe move (left/right on XZ plane). Does not change pivot.y, so cameraY unchanged.
+    var right = this.entity.right.clone(); right.y = 0; if (right.lengthSq() > 1e-8) right.normalize();
+    var dx = moveRight * speedR * dt;
+    if (dx !== 0) {
+        this.orbitCamera._pivotPoint.add(right.mulScalar(dx));
     }
 };