| 1 |
- {"ast":null,"code":"import { WebXRFeaturesManager, WebXRFeatureName } from \"../webXRFeaturesManager.js\";\nimport { Matrix, Vector3 } from \"../../Maths/math.vector.js\";\nimport { Color3 } from \"../../Maths/math.color.js\";\nimport { Axis } from \"../../Maths/math.axis.js\";\nimport { StandardMaterial } from \"../../Materials/standardMaterial.js\";\nimport { CreateCylinder } from \"../../Meshes/Builders/cylinderBuilder.js\";\nimport { CreateTorus } from \"../../Meshes/Builders/torusBuilder.js\";\nimport { Ray } from \"../../Culling/ray.js\";\nimport { PickingInfo } from \"../../Collisions/pickingInfo.js\";\nimport { WebXRAbstractFeature } from \"./WebXRAbstractFeature.js\";\nimport { UtilityLayerRenderer } from \"../../Rendering/utilityLayerRenderer.js\";\nimport { Viewport } from \"../../Maths/math.viewport.js\";\nimport { Tools } from \"../../Misc/tools.js\";\n/**\n * A module that will enable pointer selection for motion controllers of XR Input Sources\n */\nexport class WebXRControllerPointerSelection extends WebXRAbstractFeature {\n /**\n * constructs a new background remover module\n * @param _xrSessionManager the session manager for this module\n * @param _options read-only options to be used in this module\n */\n constructor(_xrSessionManager, _options) {\n super(_xrSessionManager);\n this._options = _options;\n this._attachController = xrController => {\n if (this._controllers[xrController.uniqueId]) {\n // already attached\n return;\n }\n const {\n laserPointer,\n selectionMesh\n } = this._generateNewMeshPair(this._options.forceGripIfAvailable && xrController.grip ? xrController.grip : xrController.pointer);\n // get two new meshes\n this._controllers[xrController.uniqueId] = {\n xrController,\n laserPointer,\n selectionMesh,\n meshUnderPointer: null,\n pick: null,\n tmpRay: new Ray(new Vector3(), new Vector3()),\n disabledByNearInteraction: false,\n id: WebXRControllerPointerSelection._IdCounter++\n };\n if (this._attachedController) {\n if (!this._options.enablePointerSelectionOnAllControllers && this._options.preferredHandedness && xrController.inputSource.handedness === this._options.preferredHandedness) {\n this._attachedController = xrController.uniqueId;\n }\n } else {\n if (!this._options.enablePointerSelectionOnAllControllers) {\n this._attachedController = xrController.uniqueId;\n }\n }\n switch (xrController.inputSource.targetRayMode) {\n case \"tracked-pointer\":\n return this._attachTrackedPointerRayMode(xrController);\n case \"gaze\":\n return this._attachGazeMode(xrController);\n case \"screen\":\n case \"transient-pointer\":\n return this._attachScreenRayMode(xrController);\n }\n };\n this._controllers = {};\n this._tmpVectorForPickCompare = new Vector3();\n /**\n * Disable lighting on the laser pointer (so it will always be visible)\n */\n this.disablePointerLighting = true;\n /**\n * Disable lighting on the selection mesh (so it will always be visible)\n */\n this.disableSelectionMeshLighting = true;\n /**\n * Should the laser pointer be displayed\n */\n this.displayLaserPointer = true;\n /**\n * Should the selection mesh be displayed (The ring at the end of the laser pointer)\n */\n this.displaySelectionMesh = true;\n /**\n * This color will be set to the laser pointer when selection is triggered\n */\n this.laserPointerPickedColor = new Color3(0.9, 0.9, 0.9);\n /**\n * Default color of the laser pointer\n */\n this.laserPointerDefaultColor = new Color3(0.7, 0.7, 0.7);\n /**\n * default color of the selection ring\n */\n this.selectionMeshDefaultColor = new Color3(0.8, 0.8, 0.8);\n /**\n * This color will be applied to the selection ring when selection is triggered\n */\n this.selectionMeshPickedColor = new Color3(0.3, 0.3, 1.0);\n this._identityMatrix = Matrix.Identity();\n this._screenCoordinatesRef = Vector3.Zero();\n this._viewportRef = new Viewport(0, 0, 0, 0);\n this._scene = this._xrSessionManager.scene;\n // force look and pick mode if using WebXR on safari, assuming it is vision OS\n // Only if not explicitly set. If set to false, it will not be forced\n if (this._options.lookAndPickMode === undefined && (this._scene.getEngine()._badDesktopOS || this._scene.getEngine()._badOS)) {\n this._options.lookAndPickMode = true;\n }\n // look and pick mode extra state changes\n if (this._options.lookAndPickMode) {\n this._options.enablePointerSelectionOnAllControllers = true;\n this.displayLaserPointer = false;\n }\n }\n /**\n * attach this feature\n * Will usually be called by the features manager\n *\n * @returns true if successful.\n */\n attach() {\n if (!super.attach()) {\n return false;\n }\n this._options.xrInput.controllers.forEach(this._attachController);\n this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController, true);\n this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, controller => {\n // REMOVE the controller\n this._detachController(controller.uniqueId);\n }, true);\n this._scene.constantlyUpdateMeshUnderPointer = true;\n if (this._options.gazeCamera) {\n const webXRCamera = this._options.gazeCamera;\n const {\n laserPointer,\n selectionMesh\n } = this._generateNewMeshPair(webXRCamera);\n this._controllers[\"camera\"] = {\n webXRCamera,\n laserPointer,\n selectionMesh,\n meshUnderPointer: null,\n pick: null,\n tmpRay: new Ray(new Vector3(), new Vector3()),\n disabledByNearInteraction: false,\n id: WebXRControllerPointerSelection._IdCounter++\n };\n this._attachGazeMode();\n }\n return true;\n }\n /**\n * detach this feature.\n * Will usually be called by the features manager\n *\n * @returns true if successful.\n */\n detach() {\n if (!super.detach()) {\n return false;\n }\n Object.keys(this._controllers).forEach(controllerId => {\n this._detachController(controllerId);\n });\n return true;\n }\n /**\n * Will get the mesh under a specific pointer.\n * `scene.meshUnderPointer` will only return one mesh - either left or right.\n * @param controllerId the controllerId to check\n * @returns The mesh under pointer or null if no mesh is under the pointer\n */\n getMeshUnderPointer(controllerId) {\n if (this._controllers[controllerId]) {\n return this._controllers[controllerId].meshUnderPointer;\n } else {\n return null;\n }\n }\n /**\n * Get the xr controller that correlates to the pointer id in the pointer event\n *\n * @param id the pointer id to search for\n * @returns the controller that correlates to this id or null if not found\n */\n getXRControllerByPointerId(id) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n return this._controllers[keys[i]].xrController || null;\n }\n }\n return null;\n }\n /**\n * @internal\n */\n _getPointerSelectionDisabledByPointerId(id) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n return this._controllers[keys[i]].disabledByNearInteraction;\n }\n }\n return true;\n }\n /**\n * @internal\n */\n _setPointerSelectionDisabledByPointerId(id, state) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n this._controllers[keys[i]].disabledByNearInteraction = state;\n return;\n }\n }\n }\n _onXRFrame(_xrFrame) {\n Object.keys(this._controllers).forEach(id => {\n var _controllerData$xrCon;\n // look and pick mode\n // only do this for the selected pointer\n const controllerData = this._controllers[id];\n if (this._options.lookAndPickMode && ((_controllerData$xrCon = controllerData.xrController) === null || _controllerData$xrCon === void 0 ? void 0 : _controllerData$xrCon.inputSource.targetRayMode) !== \"transient-pointer\") {\n return;\n }\n if (!this._options.enablePointerSelectionOnAllControllers && id !== this._attachedController || controllerData.disabledByNearInteraction) {\n controllerData.selectionMesh.isVisible = false;\n controllerData.laserPointer.isVisible = false;\n controllerData.pick = null;\n return;\n }\n controllerData.laserPointer.isVisible = this.displayLaserPointer;\n let controllerGlobalPosition;\n // Every frame check collisions/input\n if (controllerData.xrController) {\n controllerGlobalPosition = this._options.forceGripIfAvailable && controllerData.xrController.grip ? controllerData.xrController.grip.position : controllerData.xrController.pointer.position;\n controllerData.xrController.getWorldPointerRayToRef(controllerData.tmpRay, this._options.forceGripIfAvailable);\n } else if (controllerData.webXRCamera) {\n controllerGlobalPosition = controllerData.webXRCamera.position;\n controllerData.webXRCamera.getForwardRayToRef(controllerData.tmpRay);\n } else {\n return;\n }\n if (this._options.maxPointerDistance) {\n controllerData.tmpRay.length = this._options.maxPointerDistance;\n }\n // update pointerX and pointerY of the scene. Only if the flag is set to true!\n if (!this._options.disableScenePointerVectorUpdate && controllerGlobalPosition) {\n const scene = this._xrSessionManager.scene;\n const camera = this._options.xrInput.xrCamera;\n if (camera) {\n camera.viewport.toGlobalToRef(scene.getEngine().getRenderWidth() / camera.rigCameras.length, scene.getEngine().getRenderHeight(), this._viewportRef);\n Vector3.ProjectToRef(controllerGlobalPosition, this._identityMatrix, camera.getTransformationMatrix(), this._viewportRef, this._screenCoordinatesRef);\n // stay safe\n if (typeof this._screenCoordinatesRef.x === \"number\" && typeof this._screenCoordinatesRef.y === \"number\" && !isNaN(this._screenCoordinatesRef.x) && !isNaN(this._screenCoordinatesRef.y) && this._screenCoordinatesRef.x !== Infinity && this._screenCoordinatesRef.y !== Infinity) {\n scene.pointerX = this._screenCoordinatesRef.x;\n scene.pointerY = this._screenCoordinatesRef.y;\n controllerData.screenCoordinates = {\n x: this._screenCoordinatesRef.x,\n y: this._screenCoordinatesRef.y\n };\n }\n }\n }\n let utilityScenePick = null;\n if (this._utilityLayerScene) {\n utilityScenePick = this._utilityLayerScene.pickWithRay(controllerData.tmpRay, this._utilityLayerScene.pointerMovePredicate || this.raySelectionPredicate);\n }\n const originalScenePick = this._scene.pickWithRay(controllerData.tmpRay, this._scene.pointerMovePredicate || this.raySelectionPredicate);\n if (!utilityScenePick || !utilityScenePick.hit) {\n // No hit in utility scene\n controllerData.pick = originalScenePick;\n } else if (!originalScenePick || !originalScenePick.hit) {\n // No hit in original scene\n controllerData.pick = utilityScenePick;\n } else if (utilityScenePick.distance < originalScenePick.distance) {\n // Hit is closer in utility scene\n controllerData.pick = utilityScenePick;\n } else {\n // Hit is closer in original scene\n controllerData.pick = originalScenePick;\n }\n if (controllerData.pick && controllerData.xrController) {\n controllerData.pick.aimTransform = controllerData.xrController.pointer;\n controllerData.pick.gripTransform = controllerData.xrController.grip || null;\n controllerData.pick.originMesh = controllerData.xrController.pointer;\n }\n const pick = controllerData.pick;\n if (pick && pick.pickedPoint && pick.hit) {\n // Update laser state\n this._updatePointerDistance(controllerData.laserPointer, pick.distance);\n // Update cursor state\n controllerData.selectionMesh.position.copyFrom(pick.pickedPoint);\n controllerData.selectionMesh.scaling.x = Math.sqrt(pick.distance);\n controllerData.selectionMesh.scaling.y = Math.sqrt(pick.distance);\n controllerData.selectionMesh.scaling.z = Math.sqrt(pick.distance);\n // To avoid z-fighting\n const pickNormal = this._convertNormalToDirectionOfRay(pick.getNormal(true), controllerData.tmpRay);\n const deltaFighting = 0.001;\n controllerData.selectionMesh.position.copyFrom(pick.pickedPoint);\n if (pickNormal) {\n const axis1 = Vector3.Cross(Axis.Y, pickNormal);\n const axis2 = Vector3.Cross(pickNormal, axis1);\n Vector3.RotationFromAxisToRef(axis2, pickNormal, axis1, controllerData.selectionMesh.rotation);\n controllerData.selectionMesh.position.addInPlace(pickNormal.scale(deltaFighting));\n }\n controllerData.selectionMesh.isVisible = this.displaySelectionMesh;\n controllerData.meshUnderPointer = pick.pickedMesh;\n } else {\n controllerData.selectionMesh.isVisible = false;\n this._updatePointerDistance(controllerData.laserPointer, 1);\n controllerData.meshUnderPointer = null;\n }\n });\n }\n get _utilityLayerScene() {\n return this._options.customUtilityLayerScene || UtilityLayerRenderer.DefaultUtilityLayer.utilityLayerScene;\n }\n _attachGazeMode(xrController) {\n const controllerData = this._controllers[xrController && xrController.uniqueId || \"camera\"];\n // attached when touched, detaches when raised\n const timeToSelect = this._options.timeToSelect || 3000;\n const sceneToRenderTo = this._options.useUtilityLayer ? this._utilityLayerScene : this._scene;\n let oldPick = new PickingInfo();\n const discMesh = CreateTorus(\"selection\", {\n diameter: 0.0035 * 15,\n thickness: 0.0025 * 6,\n tessellation: 20\n }, sceneToRenderTo);\n discMesh.isVisible = false;\n discMesh.isPickable = false;\n discMesh.parent = controllerData.selectionMesh;\n let timer = 0;\n let downTriggered = false;\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\"\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n if (!controllerData.pick) {\n return;\n }\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n controllerData.laserPointer.material.alpha = 0;\n discMesh.isVisible = false;\n if (controllerData.pick.hit) {\n if (!this._pickingMoved(oldPick, controllerData.pick)) {\n if (timer > timeToSelect / 10) {\n discMesh.isVisible = true;\n }\n timer += this._scene.getEngine().getDeltaTime();\n if (timer >= timeToSelect) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n // this pointerdown event is not setting the controllerData.pointerDownTriggered to avoid a pointerUp event when this feature is detached\n downTriggered = true;\n // pointer up right after down, if disable on touch out\n if (this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n discMesh.isVisible = false;\n } else {\n const scaleFactor = 1 - timer / timeToSelect;\n discMesh.scaling.set(scaleFactor, scaleFactor, scaleFactor);\n }\n } else {\n if (downTriggered) {\n if (!this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n }\n downTriggered = false;\n timer = 0;\n }\n } else {\n downTriggered = false;\n timer = 0;\n }\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n oldPick = controllerData.pick;\n });\n if (this._options.renderingGroupId !== undefined) {\n discMesh.renderingGroupId = this._options.renderingGroupId;\n }\n if (xrController) {\n xrController.onDisposeObservable.addOnce(() => {\n if (controllerData.pick && !this._options.disablePointerUpOnTouchOut && downTriggered) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n }\n discMesh.dispose();\n });\n }\n }\n _attachScreenRayMode(xrController) {\n const controllerData = this._controllers[xrController.uniqueId];\n let downTriggered = false;\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\"\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (!controllerData.pick || this._options.disablePointerUpOnTouchOut && downTriggered) {\n return;\n }\n if (!downTriggered) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n downTriggered = true;\n if (this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n } else {\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n }\n });\n xrController.onDisposeObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._xrSessionManager.runInXRFrame(() => {\n if (controllerData.pick && !controllerData.finalPointerUpTriggered && downTriggered && !this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n }\n });\n });\n }\n _attachTrackedPointerRayMode(xrController) {\n const controllerData = this._controllers[xrController.uniqueId];\n if (this._options.forceGazeMode) {\n return this._attachGazeMode(xrController);\n }\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\"\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n controllerData.laserPointer.material.disableLighting = this.disablePointerLighting;\n controllerData.selectionMesh.material.disableLighting = this.disableSelectionMeshLighting;\n if (controllerData.pick) {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n }\n });\n if (xrController.inputSource.gamepad) {\n const init = motionController => {\n if (this._options.overrideButtonId) {\n controllerData.selectionComponent = motionController.getComponent(this._options.overrideButtonId);\n }\n if (!controllerData.selectionComponent) {\n controllerData.selectionComponent = motionController.getMainComponent();\n }\n controllerData.onButtonChangedObserver = controllerData.selectionComponent.onButtonStateChangedObservable.add(component => {\n if (component.changes.pressed) {\n const pressed = component.changes.pressed.current;\n if (controllerData.pick) {\n if (this._options.enablePointerSelectionOnAllControllers || xrController.uniqueId === this._attachedController) {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (pressed) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshPickedColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerPickedColor;\n } else {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshDefaultColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerDefaultColor;\n }\n }\n } else {\n if (pressed && !this._options.enablePointerSelectionOnAllControllers && !this._options.disableSwitchOnClick) {\n // force a pointer up if switching controllers\n // get the controller that was attached before\n const prevController = this._controllers[this._attachedController];\n if (prevController && prevController.pointerDownTriggered && !prevController.finalPointerUpTriggered) {\n this._augmentPointerInit(pointerEventInit, prevController.id, prevController.screenCoordinates);\n this._scene.simulatePointerUp(new PickingInfo(), {\n pointerId: prevController.id,\n pointerType: \"xr\"\n });\n prevController.finalPointerUpTriggered = true;\n }\n this._attachedController = xrController.uniqueId;\n }\n }\n }\n });\n };\n if (xrController.motionController) {\n init(xrController.motionController);\n } else {\n xrController.onMotionControllerInitObservable.add(init);\n }\n } else {\n // use the select and squeeze events\n const selectStartListener = event => {\n this._xrSessionManager.onXRFrameObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (controllerData.xrController && event.inputSource === controllerData.xrController.inputSource && controllerData.pick) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshPickedColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerPickedColor;\n }\n });\n };\n const selectEndListener = event => {\n this._xrSessionManager.onXRFrameObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (controllerData.xrController && event.inputSource === controllerData.xrController.inputSource && controllerData.pick) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshDefaultColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerDefaultColor;\n }\n });\n };\n controllerData.eventListeners = {\n selectend: selectEndListener,\n selectstart: selectStartListener\n };\n this._xrSessionManager.session.addEventListener(\"selectstart\", selectStartListener);\n this._xrSessionManager.session.addEventListener(\"selectend\", selectEndListener);\n }\n }\n _convertNormalToDirectionOfRay(normal, ray) {\n if (normal) {\n const angle = Math.acos(Vector3.Dot(normal, ray.direction));\n if (angle < Math.PI / 2) {\n normal.scaleInPlace(-1);\n }\n }\n return normal;\n }\n _detachController(xrControllerUniqueId) {\n const controllerData = this._controllers[xrControllerUniqueId];\n if (!controllerData) {\n return;\n }\n if (controllerData.selectionComponent) {\n if (controllerData.onButtonChangedObserver) {\n controllerData.selectionComponent.onButtonStateChangedObservable.remove(controllerData.onButtonChangedObserver);\n }\n }\n if (controllerData.onFrameObserver) {\n this._xrSessionManager.onXRFrameObservable.remove(controllerData.onFrameObserver);\n }\n if (controllerData.eventListeners) {\n Object.keys(controllerData.eventListeners).forEach(eventName => {\n const func = controllerData.eventListeners && controllerData.eventListeners[eventName];\n if (func) {\n // For future reference - this is an issue in the WebXR typings.\n this._xrSessionManager.session.removeEventListener(eventName, func);\n }\n });\n }\n if (!controllerData.finalPointerUpTriggered && controllerData.pointerDownTriggered) {\n // Stay safe and fire a pointerup, in case it wasn't already triggered\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\"\n };\n this._xrSessionManager.runInXRFrame(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._scene.simulatePointerUp(controllerData.pick || new PickingInfo(), pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n });\n }\n this._xrSessionManager.scene.onBeforeRenderObservable.addOnce(() => {\n try {\n controllerData.selectionMesh.dispose();\n controllerData.laserPointer.dispose();\n // remove from the map\n delete this._controllers[xrControllerUniqueId];\n if (this._attachedController === xrControllerUniqueId) {\n // check for other controllers\n const keys = Object.keys(this._controllers);\n if (keys.length) {\n this._attachedController = keys[0];\n } else {\n this._attachedController = \"\";\n }\n }\n } catch (e) {\n Tools.Warn(\"controller already detached.\");\n }\n });\n }\n _generateNewMeshPair(meshParent) {\n const sceneToRenderTo = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || UtilityLayerRenderer.DefaultUtilityLayer.utilityLayerScene : this._scene;\n const laserPointer = this._options.customLasterPointerMeshGenerator ? this._options.customLasterPointerMeshGenerator() : CreateCylinder(\"laserPointer\", {\n height: 1,\n diameterTop: 0.0002,\n diameterBottom: 0.004,\n tessellation: 20,\n subdivisions: 1\n }, sceneToRenderTo);\n laserPointer.parent = meshParent;\n const laserPointerMaterial = new StandardMaterial(\"laserPointerMat\", sceneToRenderTo);\n laserPointerMaterial.emissiveColor = this.laserPointerDefaultColor;\n laserPointerMaterial.alpha = 0.7;\n laserPointer.material = laserPointerMaterial;\n laserPointer.rotation.x = Math.PI / 2;\n this._updatePointerDistance(laserPointer, 1);\n laserPointer.isPickable = false;\n laserPointer.isVisible = false;\n // Create a gaze tracker for the XR controller\n const selectionMesh = this._options.customSelectionMeshGenerator ? this._options.customSelectionMeshGenerator() : CreateTorus(\"gazeTracker\", {\n diameter: 0.0035 * 3,\n thickness: 0.0025 * 3,\n tessellation: 20\n }, sceneToRenderTo);\n selectionMesh.bakeCurrentTransformIntoVertices();\n selectionMesh.isPickable = false;\n selectionMesh.isVisible = false;\n const targetMat = new StandardMaterial(\"targetMat\", sceneToRenderTo);\n targetMat.specularColor = Color3.Black();\n targetMat.emissiveColor = this.selectionMeshDefaultColor;\n targetMat.backFaceCulling = false;\n selectionMesh.material = targetMat;\n if (this._options.renderingGroupId !== undefined) {\n laserPointer.renderingGroupId = this._options.renderingGroupId;\n selectionMesh.renderingGroupId = this._options.renderingGroupId;\n }\n return {\n laserPointer,\n selectionMesh\n };\n }\n _pickingMoved(oldPick, newPick) {\n var _oldPick$pickedPoint;\n if (!oldPick.hit || !newPick.hit) {\n return true;\n }\n if (!oldPick.pickedMesh || !oldPick.pickedPoint || !newPick.pickedMesh || !newPick.pickedPoint) {\n return true;\n }\n if (oldPick.pickedMesh !== newPick.pickedMesh) {\n return true;\n }\n (_oldPick$pickedPoint = oldPick.pickedPoint) === null || _oldPick$pickedPoint === void 0 || _oldPick$pickedPoint.subtractToRef(newPick.pickedPoint, this._tmpVectorForPickCompare);\n this._tmpVectorForPickCompare.set(Math.abs(this._tmpVectorForPickCompare.x), Math.abs(this._tmpVectorForPickCompare.y), Math.abs(this._tmpVectorForPickCompare.z));\n const delta = (this._options.gazeModePointerMovedFactor || 1) * 0.01 * newPick.distance;\n const length = this._tmpVectorForPickCompare.length();\n if (length > delta) {\n return true;\n }\n return false;\n }\n _updatePointerDistance(_laserPointer, distance = 100) {\n _laserPointer.scaling.y = distance;\n // a bit of distance from the controller\n if (this._scene.useRightHandedSystem) {\n distance *= -1;\n }\n _laserPointer.position.z = distance / 2 + 0.05;\n }\n _augmentPointerInit(pointerEventInit, id, screenCoordinates) {\n pointerEventInit.pointerId = id;\n pointerEventInit.pointerType = \"xr\";\n if (screenCoordinates) {\n pointerEventInit.screenX = screenCoordinates.x;\n pointerEventInit.screenY = screenCoordinates.y;\n }\n }\n /** @internal */\n get lasterPointerDefaultColor() {\n // here due to a typo\n return this.laserPointerDefaultColor;\n }\n}\nWebXRControllerPointerSelection._IdCounter = 200;\n/**\n * The module's name\n */\nWebXRControllerPointerSelection.Name = WebXRFeatureName.POINTER_SELECTION;\n/**\n * The (Babylon) version of this module.\n * This is an integer representing the implementation version.\n * This number does not correspond to the WebXR specs version\n */\nWebXRControllerPointerSelection.Version = 1;\n//register the plugin\nWebXRFeaturesManager.AddWebXRFeature(WebXRControllerPointerSelection.Name, (xrSessionManager, options) => {\n return () => new WebXRControllerPointerSelection(xrSessionManager, options);\n}, WebXRControllerPointerSelection.Version, true);","map":{"version":3,"names":["WebXRFeaturesManager","WebXRFeatureName","Matrix","Vector3","Color3","Axis","StandardMaterial","CreateCylinder","CreateTorus","Ray","PickingInfo","WebXRAbstractFeature","UtilityLayerRenderer","Viewport","Tools","WebXRControllerPointerSelection","constructor","_xrSessionManager","_options","_attachController","xrController","_controllers","uniqueId","laserPointer","selectionMesh","_generateNewMeshPair","forceGripIfAvailable","grip","pointer","meshUnderPointer","pick","tmpRay","disabledByNearInteraction","id","_IdCounter","_attachedController","enablePointerSelectionOnAllControllers","preferredHandedness","inputSource","handedness","targetRayMode","_attachTrackedPointerRayMode","_attachGazeMode","_attachScreenRayMode","_tmpVectorForPickCompare","disablePointerLighting","disableSelectionMeshLighting","displayLaserPointer","displaySelectionMesh","laserPointerPickedColor","laserPointerDefaultColor","selectionMeshDefaultColor","selectionMeshPickedColor","_identityMatrix","Identity","_screenCoordinatesRef","Zero","_viewportRef","_scene","scene","lookAndPickMode","undefined","getEngine","_badDesktopOS","_badOS","attach","xrInput","controllers","forEach","_addNewAttachObserver","onControllerAddedObservable","onControllerRemovedObservable","controller","_detachController","constantlyUpdateMeshUnderPointer","gazeCamera","webXRCamera","detach","Object","keys","controllerId","getMeshUnderPointer","getXRControllerByPointerId","i","length","_getPointerSelectionDisabledByPointerId","_setPointerSelectionDisabledByPointerId","state","_onXRFrame","_xrFrame","_controllerData$xrCon","controllerData","isVisible","controllerGlobalPosition","position","getWorldPointerRayToRef","getForwardRayToRef","maxPointerDistance","disableScenePointerVectorUpdate","camera","xrCamera","viewport","toGlobalToRef","getRenderWidth","rigCameras","getRenderHeight","ProjectToRef","getTransformationMatrix","x","y","isNaN","Infinity","pointerX","pointerY","screenCoordinates","utilityScenePick","_utilityLayerScene","pickWithRay","pointerMovePredicate","raySelectionPredicate","originalScenePick","hit","distance","aimTransform","gripTransform","originMesh","pickedPoint","_updatePointerDistance","copyFrom","scaling","Math","sqrt","z","pickNormal","_convertNormalToDirectionOfRay","getNormal","deltaFighting","axis1","Cross","Y","axis2","RotationFromAxisToRef","rotation","addInPlace","scale","pickedMesh","customUtilityLayerScene","DefaultUtilityLayer","utilityLayerScene","timeToSelect","sceneToRenderTo","useUtilityLayer","oldPick","discMesh","diameter","thickness","tessellation","isPickable","parent","timer","downTriggered","pointerEventInit","pointerId","pointerType","onFrameObserver","onXRFrameObservable","add","_augmentPointerInit","material","alpha","_pickingMoved","getDeltaTime","simulatePointerDown","disablePointerUpOnTouchOut","simulatePointerUp","scaleFactor","set","simulatePointerMove","renderingGroupId","onDisposeObservable","addOnce","finalPointerUpTriggered","dispose","pointerDownTriggered","runInXRFrame","forceGazeMode","disableLighting","gamepad","init","motionController","overrideButtonId","selectionComponent","getComponent","getMainComponent","onButtonChangedObserver","onButtonStateChangedObservable","component","changes","pressed","current","emissiveColor","disableSwitchOnClick","prevController","onMotionControllerInitObservable","selectStartListener","event","selectEndListener","eventListeners","selectend","selectstart","session","addEventListener","normal","ray","angle","acos","Dot","direction","PI","scaleInPlace","xrControllerUniqueId","remove","eventName","func","removeEventListener","onBeforeRenderObservable","e","Warn","meshParent","customLasterPointerMeshGenerator","height","diameterTop","diameterBottom","subdivisions","laserPointerMaterial","customSelectionMeshGenerator","bakeCurrentTransformIntoVertices","targetMat","specularColor","Black","backFaceCulling","newPick","_oldPick$pickedPoint","subtractToRef","abs","delta","gazeModePointerMovedFactor","_laserPointer","useRightHandedSystem","screenX","screenY","lasterPointerDefaultColor","Name","POINTER_SELECTION","Version","AddWebXRFeature","xrSessionManager","options"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/XR/features/WebXRControllerPointerSelection.js"],"sourcesContent":["import { WebXRFeaturesManager, WebXRFeatureName } from \"../webXRFeaturesManager.js\";\nimport { Matrix, Vector3 } from \"../../Maths/math.vector.js\";\nimport { Color3 } from \"../../Maths/math.color.js\";\nimport { Axis } from \"../../Maths/math.axis.js\";\nimport { StandardMaterial } from \"../../Materials/standardMaterial.js\";\nimport { CreateCylinder } from \"../../Meshes/Builders/cylinderBuilder.js\";\nimport { CreateTorus } from \"../../Meshes/Builders/torusBuilder.js\";\nimport { Ray } from \"../../Culling/ray.js\";\nimport { PickingInfo } from \"../../Collisions/pickingInfo.js\";\nimport { WebXRAbstractFeature } from \"./WebXRAbstractFeature.js\";\nimport { UtilityLayerRenderer } from \"../../Rendering/utilityLayerRenderer.js\";\nimport { Viewport } from \"../../Maths/math.viewport.js\";\nimport { Tools } from \"../../Misc/tools.js\";\n/**\n * A module that will enable pointer selection for motion controllers of XR Input Sources\n */\nexport class WebXRControllerPointerSelection extends WebXRAbstractFeature {\n /**\n * constructs a new background remover module\n * @param _xrSessionManager the session manager for this module\n * @param _options read-only options to be used in this module\n */\n constructor(_xrSessionManager, _options) {\n super(_xrSessionManager);\n this._options = _options;\n this._attachController = (xrController) => {\n if (this._controllers[xrController.uniqueId]) {\n // already attached\n return;\n }\n const { laserPointer, selectionMesh } = this._generateNewMeshPair(this._options.forceGripIfAvailable && xrController.grip ? xrController.grip : xrController.pointer);\n // get two new meshes\n this._controllers[xrController.uniqueId] = {\n xrController,\n laserPointer,\n selectionMesh,\n meshUnderPointer: null,\n pick: null,\n tmpRay: new Ray(new Vector3(), new Vector3()),\n disabledByNearInteraction: false,\n id: WebXRControllerPointerSelection._IdCounter++,\n };\n if (this._attachedController) {\n if (!this._options.enablePointerSelectionOnAllControllers &&\n this._options.preferredHandedness &&\n xrController.inputSource.handedness === this._options.preferredHandedness) {\n this._attachedController = xrController.uniqueId;\n }\n }\n else {\n if (!this._options.enablePointerSelectionOnAllControllers) {\n this._attachedController = xrController.uniqueId;\n }\n }\n switch (xrController.inputSource.targetRayMode) {\n case \"tracked-pointer\":\n return this._attachTrackedPointerRayMode(xrController);\n case \"gaze\":\n return this._attachGazeMode(xrController);\n case \"screen\":\n case \"transient-pointer\":\n return this._attachScreenRayMode(xrController);\n }\n };\n this._controllers = {};\n this._tmpVectorForPickCompare = new Vector3();\n /**\n * Disable lighting on the laser pointer (so it will always be visible)\n */\n this.disablePointerLighting = true;\n /**\n * Disable lighting on the selection mesh (so it will always be visible)\n */\n this.disableSelectionMeshLighting = true;\n /**\n * Should the laser pointer be displayed\n */\n this.displayLaserPointer = true;\n /**\n * Should the selection mesh be displayed (The ring at the end of the laser pointer)\n */\n this.displaySelectionMesh = true;\n /**\n * This color will be set to the laser pointer when selection is triggered\n */\n this.laserPointerPickedColor = new Color3(0.9, 0.9, 0.9);\n /**\n * Default color of the laser pointer\n */\n this.laserPointerDefaultColor = new Color3(0.7, 0.7, 0.7);\n /**\n * default color of the selection ring\n */\n this.selectionMeshDefaultColor = new Color3(0.8, 0.8, 0.8);\n /**\n * This color will be applied to the selection ring when selection is triggered\n */\n this.selectionMeshPickedColor = new Color3(0.3, 0.3, 1.0);\n this._identityMatrix = Matrix.Identity();\n this._screenCoordinatesRef = Vector3.Zero();\n this._viewportRef = new Viewport(0, 0, 0, 0);\n this._scene = this._xrSessionManager.scene;\n // force look and pick mode if using WebXR on safari, assuming it is vision OS\n // Only if not explicitly set. If set to false, it will not be forced\n if (this._options.lookAndPickMode === undefined && (this._scene.getEngine()._badDesktopOS || this._scene.getEngine()._badOS)) {\n this._options.lookAndPickMode = true;\n }\n // look and pick mode extra state changes\n if (this._options.lookAndPickMode) {\n this._options.enablePointerSelectionOnAllControllers = true;\n this.displayLaserPointer = false;\n }\n }\n /**\n * attach this feature\n * Will usually be called by the features manager\n *\n * @returns true if successful.\n */\n attach() {\n if (!super.attach()) {\n return false;\n }\n this._options.xrInput.controllers.forEach(this._attachController);\n this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController, true);\n this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, (controller) => {\n // REMOVE the controller\n this._detachController(controller.uniqueId);\n }, true);\n this._scene.constantlyUpdateMeshUnderPointer = true;\n if (this._options.gazeCamera) {\n const webXRCamera = this._options.gazeCamera;\n const { laserPointer, selectionMesh } = this._generateNewMeshPair(webXRCamera);\n this._controllers[\"camera\"] = {\n webXRCamera,\n laserPointer,\n selectionMesh,\n meshUnderPointer: null,\n pick: null,\n tmpRay: new Ray(new Vector3(), new Vector3()),\n disabledByNearInteraction: false,\n id: WebXRControllerPointerSelection._IdCounter++,\n };\n this._attachGazeMode();\n }\n return true;\n }\n /**\n * detach this feature.\n * Will usually be called by the features manager\n *\n * @returns true if successful.\n */\n detach() {\n if (!super.detach()) {\n return false;\n }\n Object.keys(this._controllers).forEach((controllerId) => {\n this._detachController(controllerId);\n });\n return true;\n }\n /**\n * Will get the mesh under a specific pointer.\n * `scene.meshUnderPointer` will only return one mesh - either left or right.\n * @param controllerId the controllerId to check\n * @returns The mesh under pointer or null if no mesh is under the pointer\n */\n getMeshUnderPointer(controllerId) {\n if (this._controllers[controllerId]) {\n return this._controllers[controllerId].meshUnderPointer;\n }\n else {\n return null;\n }\n }\n /**\n * Get the xr controller that correlates to the pointer id in the pointer event\n *\n * @param id the pointer id to search for\n * @returns the controller that correlates to this id or null if not found\n */\n getXRControllerByPointerId(id) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n return this._controllers[keys[i]].xrController || null;\n }\n }\n return null;\n }\n /**\n * @internal\n */\n _getPointerSelectionDisabledByPointerId(id) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n return this._controllers[keys[i]].disabledByNearInteraction;\n }\n }\n return true;\n }\n /**\n * @internal\n */\n _setPointerSelectionDisabledByPointerId(id, state) {\n const keys = Object.keys(this._controllers);\n for (let i = 0; i < keys.length; ++i) {\n if (this._controllers[keys[i]].id === id) {\n this._controllers[keys[i]].disabledByNearInteraction = state;\n return;\n }\n }\n }\n _onXRFrame(_xrFrame) {\n Object.keys(this._controllers).forEach((id) => {\n // look and pick mode\n // only do this for the selected pointer\n const controllerData = this._controllers[id];\n if (this._options.lookAndPickMode && controllerData.xrController?.inputSource.targetRayMode !== \"transient-pointer\") {\n return;\n }\n if ((!this._options.enablePointerSelectionOnAllControllers && id !== this._attachedController) || controllerData.disabledByNearInteraction) {\n controllerData.selectionMesh.isVisible = false;\n controllerData.laserPointer.isVisible = false;\n controllerData.pick = null;\n return;\n }\n controllerData.laserPointer.isVisible = this.displayLaserPointer;\n let controllerGlobalPosition;\n // Every frame check collisions/input\n if (controllerData.xrController) {\n controllerGlobalPosition =\n this._options.forceGripIfAvailable && controllerData.xrController.grip\n ? controllerData.xrController.grip.position\n : controllerData.xrController.pointer.position;\n controllerData.xrController.getWorldPointerRayToRef(controllerData.tmpRay, this._options.forceGripIfAvailable);\n }\n else if (controllerData.webXRCamera) {\n controllerGlobalPosition = controllerData.webXRCamera.position;\n controllerData.webXRCamera.getForwardRayToRef(controllerData.tmpRay);\n }\n else {\n return;\n }\n if (this._options.maxPointerDistance) {\n controllerData.tmpRay.length = this._options.maxPointerDistance;\n }\n // update pointerX and pointerY of the scene. Only if the flag is set to true!\n if (!this._options.disableScenePointerVectorUpdate && controllerGlobalPosition) {\n const scene = this._xrSessionManager.scene;\n const camera = this._options.xrInput.xrCamera;\n if (camera) {\n camera.viewport.toGlobalToRef(scene.getEngine().getRenderWidth() / camera.rigCameras.length, scene.getEngine().getRenderHeight(), this._viewportRef);\n Vector3.ProjectToRef(controllerGlobalPosition, this._identityMatrix, camera.getTransformationMatrix(), this._viewportRef, this._screenCoordinatesRef);\n // stay safe\n if (typeof this._screenCoordinatesRef.x === \"number\" &&\n typeof this._screenCoordinatesRef.y === \"number\" &&\n !isNaN(this._screenCoordinatesRef.x) &&\n !isNaN(this._screenCoordinatesRef.y) &&\n this._screenCoordinatesRef.x !== Infinity &&\n this._screenCoordinatesRef.y !== Infinity) {\n scene.pointerX = this._screenCoordinatesRef.x;\n scene.pointerY = this._screenCoordinatesRef.y;\n controllerData.screenCoordinates = {\n x: this._screenCoordinatesRef.x,\n y: this._screenCoordinatesRef.y,\n };\n }\n }\n }\n let utilityScenePick = null;\n if (this._utilityLayerScene) {\n utilityScenePick = this._utilityLayerScene.pickWithRay(controllerData.tmpRay, this._utilityLayerScene.pointerMovePredicate || this.raySelectionPredicate);\n }\n const originalScenePick = this._scene.pickWithRay(controllerData.tmpRay, this._scene.pointerMovePredicate || this.raySelectionPredicate);\n if (!utilityScenePick || !utilityScenePick.hit) {\n // No hit in utility scene\n controllerData.pick = originalScenePick;\n }\n else if (!originalScenePick || !originalScenePick.hit) {\n // No hit in original scene\n controllerData.pick = utilityScenePick;\n }\n else if (utilityScenePick.distance < originalScenePick.distance) {\n // Hit is closer in utility scene\n controllerData.pick = utilityScenePick;\n }\n else {\n // Hit is closer in original scene\n controllerData.pick = originalScenePick;\n }\n if (controllerData.pick && controllerData.xrController) {\n controllerData.pick.aimTransform = controllerData.xrController.pointer;\n controllerData.pick.gripTransform = controllerData.xrController.grip || null;\n controllerData.pick.originMesh = controllerData.xrController.pointer;\n }\n const pick = controllerData.pick;\n if (pick && pick.pickedPoint && pick.hit) {\n // Update laser state\n this._updatePointerDistance(controllerData.laserPointer, pick.distance);\n // Update cursor state\n controllerData.selectionMesh.position.copyFrom(pick.pickedPoint);\n controllerData.selectionMesh.scaling.x = Math.sqrt(pick.distance);\n controllerData.selectionMesh.scaling.y = Math.sqrt(pick.distance);\n controllerData.selectionMesh.scaling.z = Math.sqrt(pick.distance);\n // To avoid z-fighting\n const pickNormal = this._convertNormalToDirectionOfRay(pick.getNormal(true), controllerData.tmpRay);\n const deltaFighting = 0.001;\n controllerData.selectionMesh.position.copyFrom(pick.pickedPoint);\n if (pickNormal) {\n const axis1 = Vector3.Cross(Axis.Y, pickNormal);\n const axis2 = Vector3.Cross(pickNormal, axis1);\n Vector3.RotationFromAxisToRef(axis2, pickNormal, axis1, controllerData.selectionMesh.rotation);\n controllerData.selectionMesh.position.addInPlace(pickNormal.scale(deltaFighting));\n }\n controllerData.selectionMesh.isVisible = this.displaySelectionMesh;\n controllerData.meshUnderPointer = pick.pickedMesh;\n }\n else {\n controllerData.selectionMesh.isVisible = false;\n this._updatePointerDistance(controllerData.laserPointer, 1);\n controllerData.meshUnderPointer = null;\n }\n });\n }\n get _utilityLayerScene() {\n return this._options.customUtilityLayerScene || UtilityLayerRenderer.DefaultUtilityLayer.utilityLayerScene;\n }\n _attachGazeMode(xrController) {\n const controllerData = this._controllers[(xrController && xrController.uniqueId) || \"camera\"];\n // attached when touched, detaches when raised\n const timeToSelect = this._options.timeToSelect || 3000;\n const sceneToRenderTo = this._options.useUtilityLayer ? this._utilityLayerScene : this._scene;\n let oldPick = new PickingInfo();\n const discMesh = CreateTorus(\"selection\", {\n diameter: 0.0035 * 15,\n thickness: 0.0025 * 6,\n tessellation: 20,\n }, sceneToRenderTo);\n discMesh.isVisible = false;\n discMesh.isPickable = false;\n discMesh.parent = controllerData.selectionMesh;\n let timer = 0;\n let downTriggered = false;\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\",\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n if (!controllerData.pick) {\n return;\n }\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n controllerData.laserPointer.material.alpha = 0;\n discMesh.isVisible = false;\n if (controllerData.pick.hit) {\n if (!this._pickingMoved(oldPick, controllerData.pick)) {\n if (timer > timeToSelect / 10) {\n discMesh.isVisible = true;\n }\n timer += this._scene.getEngine().getDeltaTime();\n if (timer >= timeToSelect) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n // this pointerdown event is not setting the controllerData.pointerDownTriggered to avoid a pointerUp event when this feature is detached\n downTriggered = true;\n // pointer up right after down, if disable on touch out\n if (this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n discMesh.isVisible = false;\n }\n else {\n const scaleFactor = 1 - timer / timeToSelect;\n discMesh.scaling.set(scaleFactor, scaleFactor, scaleFactor);\n }\n }\n else {\n if (downTriggered) {\n if (!this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n }\n downTriggered = false;\n timer = 0;\n }\n }\n else {\n downTriggered = false;\n timer = 0;\n }\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n oldPick = controllerData.pick;\n });\n if (this._options.renderingGroupId !== undefined) {\n discMesh.renderingGroupId = this._options.renderingGroupId;\n }\n if (xrController) {\n xrController.onDisposeObservable.addOnce(() => {\n if (controllerData.pick && !this._options.disablePointerUpOnTouchOut && downTriggered) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n }\n discMesh.dispose();\n });\n }\n }\n _attachScreenRayMode(xrController) {\n const controllerData = this._controllers[xrController.uniqueId];\n let downTriggered = false;\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\",\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (!controllerData.pick || (this._options.disablePointerUpOnTouchOut && downTriggered)) {\n return;\n }\n if (!downTriggered) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n downTriggered = true;\n if (this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n }\n }\n else {\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n }\n });\n xrController.onDisposeObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._xrSessionManager.runInXRFrame(() => {\n if (controllerData.pick && !controllerData.finalPointerUpTriggered && downTriggered && !this._options.disablePointerUpOnTouchOut) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n }\n });\n });\n }\n _attachTrackedPointerRayMode(xrController) {\n const controllerData = this._controllers[xrController.uniqueId];\n if (this._options.forceGazeMode) {\n return this._attachGazeMode(xrController);\n }\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\",\n };\n controllerData.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add(() => {\n controllerData.laserPointer.material.disableLighting = this.disablePointerLighting;\n controllerData.selectionMesh.material.disableLighting = this.disableSelectionMeshLighting;\n if (controllerData.pick) {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._scene.simulatePointerMove(controllerData.pick, pointerEventInit);\n }\n });\n if (xrController.inputSource.gamepad) {\n const init = (motionController) => {\n if (this._options.overrideButtonId) {\n controllerData.selectionComponent = motionController.getComponent(this._options.overrideButtonId);\n }\n if (!controllerData.selectionComponent) {\n controllerData.selectionComponent = motionController.getMainComponent();\n }\n controllerData.onButtonChangedObserver = controllerData.selectionComponent.onButtonStateChangedObservable.add((component) => {\n if (component.changes.pressed) {\n const pressed = component.changes.pressed.current;\n if (controllerData.pick) {\n if (this._options.enablePointerSelectionOnAllControllers || xrController.uniqueId === this._attachedController) {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (pressed) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshPickedColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerPickedColor;\n }\n else {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshDefaultColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerDefaultColor;\n }\n }\n }\n else {\n if (pressed && !this._options.enablePointerSelectionOnAllControllers && !this._options.disableSwitchOnClick) {\n // force a pointer up if switching controllers\n // get the controller that was attached before\n const prevController = this._controllers[this._attachedController];\n if (prevController && prevController.pointerDownTriggered && !prevController.finalPointerUpTriggered) {\n this._augmentPointerInit(pointerEventInit, prevController.id, prevController.screenCoordinates);\n this._scene.simulatePointerUp(new PickingInfo(), {\n pointerId: prevController.id,\n pointerType: \"xr\",\n });\n prevController.finalPointerUpTriggered = true;\n }\n this._attachedController = xrController.uniqueId;\n }\n }\n }\n });\n };\n if (xrController.motionController) {\n init(xrController.motionController);\n }\n else {\n xrController.onMotionControllerInitObservable.add(init);\n }\n }\n else {\n // use the select and squeeze events\n const selectStartListener = (event) => {\n this._xrSessionManager.onXRFrameObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (controllerData.xrController && event.inputSource === controllerData.xrController.inputSource && controllerData.pick) {\n this._scene.simulatePointerDown(controllerData.pick, pointerEventInit);\n controllerData.pointerDownTriggered = true;\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshPickedColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerPickedColor;\n }\n });\n };\n const selectEndListener = (event) => {\n this._xrSessionManager.onXRFrameObservable.addOnce(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n if (controllerData.xrController && event.inputSource === controllerData.xrController.inputSource && controllerData.pick) {\n this._scene.simulatePointerUp(controllerData.pick, pointerEventInit);\n controllerData.selectionMesh.material.emissiveColor = this.selectionMeshDefaultColor;\n controllerData.laserPointer.material.emissiveColor = this.laserPointerDefaultColor;\n }\n });\n };\n controllerData.eventListeners = {\n selectend: selectEndListener,\n selectstart: selectStartListener,\n };\n this._xrSessionManager.session.addEventListener(\"selectstart\", selectStartListener);\n this._xrSessionManager.session.addEventListener(\"selectend\", selectEndListener);\n }\n }\n _convertNormalToDirectionOfRay(normal, ray) {\n if (normal) {\n const angle = Math.acos(Vector3.Dot(normal, ray.direction));\n if (angle < Math.PI / 2) {\n normal.scaleInPlace(-1);\n }\n }\n return normal;\n }\n _detachController(xrControllerUniqueId) {\n const controllerData = this._controllers[xrControllerUniqueId];\n if (!controllerData) {\n return;\n }\n if (controllerData.selectionComponent) {\n if (controllerData.onButtonChangedObserver) {\n controllerData.selectionComponent.onButtonStateChangedObservable.remove(controllerData.onButtonChangedObserver);\n }\n }\n if (controllerData.onFrameObserver) {\n this._xrSessionManager.onXRFrameObservable.remove(controllerData.onFrameObserver);\n }\n if (controllerData.eventListeners) {\n Object.keys(controllerData.eventListeners).forEach((eventName) => {\n const func = controllerData.eventListeners && controllerData.eventListeners[eventName];\n if (func) {\n // For future reference - this is an issue in the WebXR typings.\n this._xrSessionManager.session.removeEventListener(eventName, func);\n }\n });\n }\n if (!controllerData.finalPointerUpTriggered && controllerData.pointerDownTriggered) {\n // Stay safe and fire a pointerup, in case it wasn't already triggered\n const pointerEventInit = {\n pointerId: controllerData.id,\n pointerType: \"xr\",\n };\n this._xrSessionManager.runInXRFrame(() => {\n this._augmentPointerInit(pointerEventInit, controllerData.id, controllerData.screenCoordinates);\n this._scene.simulatePointerUp(controllerData.pick || new PickingInfo(), pointerEventInit);\n controllerData.finalPointerUpTriggered = true;\n });\n }\n this._xrSessionManager.scene.onBeforeRenderObservable.addOnce(() => {\n try {\n controllerData.selectionMesh.dispose();\n controllerData.laserPointer.dispose();\n // remove from the map\n delete this._controllers[xrControllerUniqueId];\n if (this._attachedController === xrControllerUniqueId) {\n // check for other controllers\n const keys = Object.keys(this._controllers);\n if (keys.length) {\n this._attachedController = keys[0];\n }\n else {\n this._attachedController = \"\";\n }\n }\n }\n catch (e) {\n Tools.Warn(\"controller already detached.\");\n }\n });\n }\n _generateNewMeshPair(meshParent) {\n const sceneToRenderTo = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || UtilityLayerRenderer.DefaultUtilityLayer.utilityLayerScene : this._scene;\n const laserPointer = this._options.customLasterPointerMeshGenerator\n ? this._options.customLasterPointerMeshGenerator()\n : CreateCylinder(\"laserPointer\", {\n height: 1,\n diameterTop: 0.0002,\n diameterBottom: 0.004,\n tessellation: 20,\n subdivisions: 1,\n }, sceneToRenderTo);\n laserPointer.parent = meshParent;\n const laserPointerMaterial = new StandardMaterial(\"laserPointerMat\", sceneToRenderTo);\n laserPointerMaterial.emissiveColor = this.laserPointerDefaultColor;\n laserPointerMaterial.alpha = 0.7;\n laserPointer.material = laserPointerMaterial;\n laserPointer.rotation.x = Math.PI / 2;\n this._updatePointerDistance(laserPointer, 1);\n laserPointer.isPickable = false;\n laserPointer.isVisible = false;\n // Create a gaze tracker for the XR controller\n const selectionMesh = this._options.customSelectionMeshGenerator\n ? this._options.customSelectionMeshGenerator()\n : CreateTorus(\"gazeTracker\", {\n diameter: 0.0035 * 3,\n thickness: 0.0025 * 3,\n tessellation: 20,\n }, sceneToRenderTo);\n selectionMesh.bakeCurrentTransformIntoVertices();\n selectionMesh.isPickable = false;\n selectionMesh.isVisible = false;\n const targetMat = new StandardMaterial(\"targetMat\", sceneToRenderTo);\n targetMat.specularColor = Color3.Black();\n targetMat.emissiveColor = this.selectionMeshDefaultColor;\n targetMat.backFaceCulling = false;\n selectionMesh.material = targetMat;\n if (this._options.renderingGroupId !== undefined) {\n laserPointer.renderingGroupId = this._options.renderingGroupId;\n selectionMesh.renderingGroupId = this._options.renderingGroupId;\n }\n return {\n laserPointer,\n selectionMesh,\n };\n }\n _pickingMoved(oldPick, newPick) {\n if (!oldPick.hit || !newPick.hit) {\n return true;\n }\n if (!oldPick.pickedMesh || !oldPick.pickedPoint || !newPick.pickedMesh || !newPick.pickedPoint) {\n return true;\n }\n if (oldPick.pickedMesh !== newPick.pickedMesh) {\n return true;\n }\n oldPick.pickedPoint?.subtractToRef(newPick.pickedPoint, this._tmpVectorForPickCompare);\n this._tmpVectorForPickCompare.set(Math.abs(this._tmpVectorForPickCompare.x), Math.abs(this._tmpVectorForPickCompare.y), Math.abs(this._tmpVectorForPickCompare.z));\n const delta = (this._options.gazeModePointerMovedFactor || 1) * 0.01 * newPick.distance;\n const length = this._tmpVectorForPickCompare.length();\n if (length > delta) {\n return true;\n }\n return false;\n }\n _updatePointerDistance(_laserPointer, distance = 100) {\n _laserPointer.scaling.y = distance;\n // a bit of distance from the controller\n if (this._scene.useRightHandedSystem) {\n distance *= -1;\n }\n _laserPointer.position.z = distance / 2 + 0.05;\n }\n _augmentPointerInit(pointerEventInit, id, screenCoordinates) {\n pointerEventInit.pointerId = id;\n pointerEventInit.pointerType = \"xr\";\n if (screenCoordinates) {\n pointerEventInit.screenX = screenCoordinates.x;\n pointerEventInit.screenY = screenCoordinates.y;\n }\n }\n /** @internal */\n get lasterPointerDefaultColor() {\n // here due to a typo\n return this.laserPointerDefaultColor;\n }\n}\nWebXRControllerPointerSelection._IdCounter = 200;\n/**\n * The module's name\n */\nWebXRControllerPointerSelection.Name = WebXRFeatureName.POINTER_SELECTION;\n/**\n * The (Babylon) version of this module.\n * This is an integer representing the implementation version.\n * This number does not correspond to the WebXR specs version\n */\nWebXRControllerPointerSelection.Version = 1;\n//register the plugin\nWebXRFeaturesManager.AddWebXRFeature(WebXRControllerPointerSelection.Name, (xrSessionManager, options) => {\n return () => new WebXRControllerPointerSelection(xrSessionManager, options);\n}, WebXRControllerPointerSelection.Version, 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