| 1 |
- {"ast":null,"code":"import { Observable } from \"../Misc/observable.js\";\nimport { Quaternion, Matrix, Vector3, TmpVectors } from \"../Maths/math.vector.js\";\nimport { Color3 } from \"../Maths/math.color.js\";\nimport \"../Meshes/Builders/linesBuilder.js\";\nimport { Mesh } from \"../Meshes/mesh.js\";\nimport { PointerDragBehavior } from \"../Behaviors/Meshes/pointerDragBehavior.js\";\nimport { Gizmo } from \"./gizmo.js\";\nimport { UtilityLayerRenderer } from \"../Rendering/utilityLayerRenderer.js\";\nimport { StandardMaterial } from \"../Materials/standardMaterial.js\";\nimport { ShaderMaterial } from \"../Materials/shaderMaterial.js\";\nimport { Effect } from \"../Materials/effect.js\";\nimport { CreatePlane } from \"../Meshes/Builders/planeBuilder.js\";\nimport { CreateTorus } from \"../Meshes/Builders/torusBuilder.js\";\nimport { Epsilon } from \"../Maths/math.constants.js\";\nimport { Logger } from \"../Misc/logger.js\";\n/**\n * Single plane rotation gizmo\n */\nexport class PlaneRotationGizmo extends Gizmo {\n /** Default material used to render when gizmo is not disabled or hovered */\n get coloredMaterial() {\n return this._coloredMaterial;\n }\n /** Material used to render when gizmo is hovered with mouse */\n get hoverMaterial() {\n return this._hoverMaterial;\n }\n /** Color used to render the drag angle sector when gizmo is rotated with mouse */\n set rotationColor(color) {\n this._rotationShaderMaterial.setColor3(\"rotationColor\", color);\n }\n /** Material used to render when gizmo is disabled. typically grey. */\n get disableMaterial() {\n return this._disableMaterial;\n }\n /**\n * Creates a PlaneRotationGizmo\n * @param planeNormal The normal of the plane which the gizmo will be able to rotate on\n * @param color The color of the gizmo\n * @param gizmoLayer The utility layer the gizmo will be added to\n * @param tessellation Amount of tessellation to be used when creating rotation circles\n * @param parent\n * @param useEulerRotation Use and update Euler angle instead of quaternion\n * @param thickness display gizmo axis thickness\n * @param hoverColor The color of the gizmo when hovering over and dragging\n * @param disableColor The Color of the gizmo when its disabled\n */\n constructor(planeNormal, color = Color3.Gray(), gizmoLayer = UtilityLayerRenderer.DefaultUtilityLayer, tessellation = 32, parent = null,\n // eslint-disable-next-line @typescript-eslint/no-unused-vars\n useEulerRotation = false, thickness = 1, hoverColor = Color3.Yellow(), disableColor = Color3.Gray()) {\n var _this$_parent;\n super(gizmoLayer);\n this._pointerObserver = null;\n /**\n * Rotation distance in radians that the gizmo will snap to (Default: 0)\n */\n this.snapDistance = 0;\n /**\n * Event that fires each time the gizmo snaps to a new location.\n * * snapDistance is the change in distance\n */\n this.onSnapObservable = new Observable();\n /**\n * Accumulated relative angle value for rotation on the axis. Reset to 0 when a dragStart occurs\n */\n this.angle = 0;\n /**\n * Custom sensitivity value for the drag strength\n */\n this.sensitivity = 1;\n this._isEnabled = true;\n this._parent = null;\n this._dragging = false;\n this._angles = new Vector3();\n this._parent = parent;\n // Create Material\n this._coloredMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._coloredMaterial.diffuseColor = color;\n this._coloredMaterial.specularColor = color.subtract(new Color3(0.1, 0.1, 0.1));\n this._hoverMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._hoverMaterial.diffuseColor = hoverColor;\n this._hoverMaterial.specularColor = hoverColor;\n this._disableMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._disableMaterial.diffuseColor = disableColor;\n this._disableMaterial.alpha = 0.4;\n // Build mesh on root node\n this._gizmoMesh = new Mesh(\"\", gizmoLayer.utilityLayerScene);\n const {\n rotationMesh,\n collider\n } = this._createGizmoMesh(this._gizmoMesh, thickness, tessellation);\n // Setup Rotation Circle\n this._rotationDisplayPlane = CreatePlane(\"rotationDisplay\", {\n size: 0.6,\n updatable: false\n }, this.gizmoLayer.utilityLayerScene);\n this._rotationDisplayPlane.rotation.z = Math.PI * 0.5;\n this._rotationDisplayPlane.parent = this._gizmoMesh;\n this._rotationDisplayPlane.setEnabled(false);\n Effect.ShadersStore[\"rotationGizmoVertexShader\"] = PlaneRotationGizmo._RotationGizmoVertexShader;\n Effect.ShadersStore[\"rotationGizmoFragmentShader\"] = PlaneRotationGizmo._RotationGizmoFragmentShader;\n this._rotationShaderMaterial = new ShaderMaterial(\"shader\", this.gizmoLayer.utilityLayerScene, {\n vertex: \"rotationGizmo\",\n fragment: \"rotationGizmo\"\n }, {\n attributes: [\"position\", \"uv\"],\n uniforms: [\"worldViewProjection\", \"angles\", \"rotationColor\"]\n });\n this._rotationShaderMaterial.backFaceCulling = false;\n this.rotationColor = hoverColor;\n this._rotationDisplayPlane.material = this._rotationShaderMaterial;\n this._rotationDisplayPlane.visibility = 0.999;\n this._gizmoMesh.lookAt(this._rootMesh.position.add(planeNormal));\n this._rootMesh.addChild(this._gizmoMesh, Gizmo.PreserveScaling);\n this._gizmoMesh.scaling.scaleInPlace(1 / 3);\n // Add drag behavior to handle events when the gizmo is dragged\n this.dragBehavior = new PointerDragBehavior({\n dragPlaneNormal: planeNormal\n });\n this.dragBehavior.moveAttached = false;\n this.dragBehavior.maxDragAngle = PlaneRotationGizmo.MaxDragAngle;\n this.dragBehavior._useAlternatePickedPointAboveMaxDragAngle = true;\n this._rootMesh.addBehavior(this.dragBehavior);\n // Closures for drag logic\n const lastDragPosition = new Vector3();\n const rotationMatrix = new Matrix();\n const planeNormalTowardsCamera = new Vector3();\n let localPlaneNormalTowardsCamera = new Vector3();\n this.dragBehavior.onDragStartObservable.add(e => {\n if (this.attachedNode) {\n lastDragPosition.copyFrom(e.dragPlanePoint);\n this._rotationDisplayPlane.setEnabled(true);\n this._rotationDisplayPlane.getWorldMatrix().invertToRef(rotationMatrix);\n Vector3.TransformCoordinatesToRef(e.dragPlanePoint, rotationMatrix, lastDragPosition);\n this._angles.x = Math.atan2(lastDragPosition.y, lastDragPosition.x) + Math.PI;\n this._angles.y = 0;\n this._angles.z = this.updateGizmoRotationToMatchAttachedMesh ? 1 : 0;\n this._dragging = true;\n lastDragPosition.copyFrom(e.dragPlanePoint);\n this._rotationShaderMaterial.setVector3(\"angles\", this._angles);\n this.angle = 0;\n }\n });\n this.dragBehavior.onDragEndObservable.add(() => {\n this._dragging = false;\n this._rotationDisplayPlane.setEnabled(false);\n });\n const tmpSnapEvent = {\n snapDistance: 0\n };\n let currentSnapDragDistance = 0;\n const tmpMatrix = new Matrix();\n const amountToRotate = new Quaternion();\n this.dragBehavior.onDragObservable.add(event => {\n if (this.attachedNode) {\n // Calc angle over full 360 degree (https://stackoverflow.com/questions/43493711/the-angle-between-two-3d-vectors-with-a-result-range-0-360)\n const nodeScale = new Vector3(1, 1, 1);\n const nodeQuaternion = new Quaternion(0, 0, 0, 1);\n const nodeTranslation = new Vector3(0, 0, 0);\n this.attachedNode.getWorldMatrix().decompose(nodeScale, nodeQuaternion, nodeTranslation);\n // uniform scaling of absolute value of components\n // (-1,1,1) is uniform but (1,1.001,1) is not\n const uniformScaling = Math.abs(Math.abs(nodeScale.x) - Math.abs(nodeScale.y)) <= Epsilon && Math.abs(Math.abs(nodeScale.x) - Math.abs(nodeScale.z)) <= Epsilon;\n if (!uniformScaling && this.updateGizmoRotationToMatchAttachedMesh) {\n Logger.Warn(\"Unable to use a rotation gizmo matching mesh rotation with non uniform scaling. Use uniform scaling or set updateGizmoRotationToMatchAttachedMesh to false.\");\n return;\n }\n nodeQuaternion.normalize();\n const nodeTranslationForOperation = this.updateGizmoPositionToMatchAttachedMesh ? nodeTranslation : this._rootMesh.absolutePosition;\n const newVector = event.dragPlanePoint.subtract(nodeTranslationForOperation).normalize();\n const originalVector = lastDragPosition.subtract(nodeTranslationForOperation).normalize();\n const cross = Vector3.Cross(newVector, originalVector);\n const dot = Vector3.Dot(newVector, originalVector);\n let angle = Math.atan2(cross.length(), dot) * this.sensitivity;\n planeNormalTowardsCamera.copyFrom(planeNormal);\n localPlaneNormalTowardsCamera.copyFrom(planeNormal);\n if (this.updateGizmoRotationToMatchAttachedMesh) {\n nodeQuaternion.toRotationMatrix(rotationMatrix);\n localPlaneNormalTowardsCamera = Vector3.TransformCoordinates(planeNormalTowardsCamera, rotationMatrix);\n }\n // Flip up vector depending on which side the camera is on\n let cameraFlipped = false;\n if (gizmoLayer.utilityLayerScene.activeCamera) {\n const camVec = gizmoLayer.utilityLayerScene.activeCamera.position.subtract(nodeTranslationForOperation).normalize();\n if (Vector3.Dot(camVec, localPlaneNormalTowardsCamera) > 0) {\n planeNormalTowardsCamera.scaleInPlace(-1);\n localPlaneNormalTowardsCamera.scaleInPlace(-1);\n cameraFlipped = true;\n }\n }\n const halfCircleSide = Vector3.Dot(localPlaneNormalTowardsCamera, cross) > 0.0;\n if (halfCircleSide) {\n angle = -angle;\n }\n TmpVectors.Vector3[0].set(angle, 0, 0);\n if (!this.dragBehavior.validateDrag(TmpVectors.Vector3[0])) {\n angle = 0;\n }\n // Snapping logic\n let snapped = false;\n if (this.snapDistance != 0) {\n currentSnapDragDistance += angle;\n if (Math.abs(currentSnapDragDistance) > this.snapDistance) {\n let dragSteps = Math.floor(Math.abs(currentSnapDragDistance) / this.snapDistance);\n if (currentSnapDragDistance < 0) {\n dragSteps *= -1;\n }\n currentSnapDragDistance = currentSnapDragDistance % this.snapDistance;\n angle = this.snapDistance * dragSteps;\n snapped = true;\n } else {\n angle = 0;\n }\n }\n // Convert angle and axis to quaternion (http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm)\n const quaternionCoefficient = Math.sin(angle / 2);\n amountToRotate.set(planeNormalTowardsCamera.x * quaternionCoefficient, planeNormalTowardsCamera.y * quaternionCoefficient, planeNormalTowardsCamera.z * quaternionCoefficient, Math.cos(angle / 2));\n // If the meshes local scale is inverted (eg. loaded gltf file parent with z scale of -1) the rotation needs to be inverted on the y axis\n if (tmpMatrix.determinant() > 0) {\n const tmpVector = new Vector3();\n amountToRotate.toEulerAnglesToRef(tmpVector);\n Quaternion.RotationYawPitchRollToRef(tmpVector.y, -tmpVector.x, -tmpVector.z, amountToRotate);\n }\n if (this.updateGizmoRotationToMatchAttachedMesh) {\n // Rotate selected mesh quaternion over fixed axis\n nodeQuaternion.multiplyToRef(amountToRotate, nodeQuaternion);\n nodeQuaternion.normalize();\n // recompose matrix\n Matrix.ComposeToRef(nodeScale, nodeQuaternion, nodeTranslation, this.attachedNode.getWorldMatrix());\n } else {\n // Rotate selected mesh quaternion over rotated axis\n amountToRotate.toRotationMatrix(TmpVectors.Matrix[0]);\n const translation = this.attachedNode.getWorldMatrix().getTranslation();\n this.attachedNode.getWorldMatrix().multiplyToRef(TmpVectors.Matrix[0], this.attachedNode.getWorldMatrix());\n this.attachedNode.getWorldMatrix().setTranslation(translation);\n }\n lastDragPosition.copyFrom(event.dragPlanePoint);\n if (snapped) {\n tmpSnapEvent.snapDistance = angle;\n this.onSnapObservable.notifyObservers(tmpSnapEvent);\n }\n this._angles.y += angle;\n this.angle += cameraFlipped ? -angle : angle;\n this._rotationShaderMaterial.setVector3(\"angles\", this._angles);\n this._matrixChanged();\n }\n });\n const light = gizmoLayer._getSharedGizmoLight();\n light.includedOnlyMeshes = light.includedOnlyMeshes.concat(this._rootMesh.getChildMeshes(false));\n const cache = {\n colliderMeshes: [collider],\n gizmoMeshes: [rotationMesh],\n material: this._coloredMaterial,\n hoverMaterial: this._hoverMaterial,\n disableMaterial: this._disableMaterial,\n active: false,\n dragBehavior: this.dragBehavior\n };\n (_this$_parent = this._parent) === null || _this$_parent === void 0 || _this$_parent.addToAxisCache(this._gizmoMesh, cache);\n this._pointerObserver = gizmoLayer.utilityLayerScene.onPointerObservable.add(pointerInfo => {\n var _pointerInfo$pickInfo;\n if (this._customMeshSet) {\n return;\n }\n // updating here the maxangle because ondragstart is too late (value already used) and the updated value is not taken into account\n this.dragBehavior.maxDragAngle = PlaneRotationGizmo.MaxDragAngle;\n this._isHovered = !!(cache.colliderMeshes.indexOf(pointerInfo === null || pointerInfo === void 0 || (_pointerInfo$pickInfo = pointerInfo.pickInfo) === null || _pointerInfo$pickInfo === void 0 ? void 0 : _pointerInfo$pickInfo.pickedMesh) != -1);\n if (!this._parent) {\n const material = cache.dragBehavior.enabled ? this._isHovered || this._dragging ? this._hoverMaterial : this._coloredMaterial : this._disableMaterial;\n this._setGizmoMeshMaterial(cache.gizmoMeshes, material);\n }\n });\n this.dragBehavior.onEnabledObservable.add(newState => {\n this._setGizmoMeshMaterial(cache.gizmoMeshes, newState ? this._coloredMaterial : this._disableMaterial);\n });\n }\n /**\n * @internal\n * Create Geometry for Gizmo\n * @param parentMesh\n * @param thickness\n * @param tessellation\n * @returns\n */\n _createGizmoMesh(parentMesh, thickness, tessellation) {\n const collider = CreateTorus(\"ignore\", {\n diameter: 0.6,\n thickness: 0.03 * thickness,\n tessellation\n }, this.gizmoLayer.utilityLayerScene);\n collider.visibility = 0;\n const rotationMesh = CreateTorus(\"\", {\n diameter: 0.6,\n thickness: 0.005 * thickness,\n tessellation\n }, this.gizmoLayer.utilityLayerScene);\n rotationMesh.material = this._coloredMaterial;\n // Position arrow pointing in its drag axis\n rotationMesh.rotation.x = Math.PI / 2;\n collider.rotation.x = Math.PI / 2;\n parentMesh.addChild(rotationMesh, Gizmo.PreserveScaling);\n parentMesh.addChild(collider, Gizmo.PreserveScaling);\n return {\n rotationMesh,\n collider\n };\n }\n _attachedNodeChanged(value) {\n if (this.dragBehavior) {\n this.dragBehavior.enabled = value ? true : false;\n }\n }\n /**\n * If the gizmo is enabled\n */\n set isEnabled(value) {\n this._isEnabled = value;\n if (!value) {\n this.attachedMesh = null;\n } else {\n if (this._parent) {\n this.attachedMesh = this._parent.attachedMesh;\n }\n }\n }\n get isEnabled() {\n return this._isEnabled;\n }\n /**\n * Disposes of the gizmo\n */\n dispose() {\n this.onSnapObservable.clear();\n this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver);\n this.dragBehavior.detach();\n if (this._gizmoMesh) {\n this._gizmoMesh.dispose();\n }\n if (this._rotationDisplayPlane) {\n this._rotationDisplayPlane.dispose();\n }\n if (this._rotationShaderMaterial) {\n this._rotationShaderMaterial.dispose();\n }\n [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach(matl => {\n if (matl) {\n matl.dispose();\n }\n });\n super.dispose();\n }\n}\n/**\n * The maximum angle between the camera and the rotation allowed for interaction\n * If a rotation plane appears 'flat', a lower value allows interaction.\n */\nPlaneRotationGizmo.MaxDragAngle = Math.PI * 9 / 20;\nPlaneRotationGizmo._RotationGizmoVertexShader = `\n precision highp float;\n attribute vec3 position;\n attribute vec2 uv;\n uniform mat4 worldViewProjection;\n varying vec3 vPosition;\n varying vec2 vUV;\n\n void main(void) {\n gl_Position = worldViewProjection * vec4(position, 1.0);\n vUV = uv;\n }`;\nPlaneRotationGizmo._RotationGizmoFragmentShader = `\n precision highp float;\n varying vec2 vUV;\n varying vec3 vPosition;\n uniform vec3 angles;\n uniform vec3 rotationColor;\n\n #define twopi 6.283185307\n\n void main(void) {\n vec2 uv = vUV - vec2(0.5);\n float angle = atan(uv.y, uv.x) + 3.141592;\n float delta = gl_FrontFacing ? angles.y : -angles.y;\n float begin = angles.x - delta * angles.z;\n float start = (begin < (begin + delta)) ? begin : (begin + delta);\n float end = (begin > (begin + delta)) ? begin : (begin + delta);\n float len = sqrt(dot(uv,uv));\n float opacity = 1. - step(0.5, len);\n\n float base = abs(floor(start / twopi)) * twopi;\n start += base;\n end += base;\n\n float intensity = 0.;\n for (int i = 0; i < 5; i++)\n {\n intensity += max(step(start, angle) - step(end, angle), 0.);\n angle += twopi;\n }\n gl_FragColor = vec4(rotationColor, min(intensity * 0.25, 0.8)) * opacity;\n }\n `;","map":{"version":3,"names":["Observable","Quaternion","Matrix","Vector3","TmpVectors","Color3","Mesh","PointerDragBehavior","Gizmo","UtilityLayerRenderer","StandardMaterial","ShaderMaterial","Effect","CreatePlane","CreateTorus","Epsilon","Logger","PlaneRotationGizmo","coloredMaterial","_coloredMaterial","hoverMaterial","_hoverMaterial","rotationColor","color","_rotationShaderMaterial","setColor3","disableMaterial","_disableMaterial","constructor","planeNormal","Gray","gizmoLayer","DefaultUtilityLayer","tessellation","parent","useEulerRotation","thickness","hoverColor","Yellow","disableColor","_this$_parent","_pointerObserver","snapDistance","onSnapObservable","angle","sensitivity","_isEnabled","_parent","_dragging","_angles","utilityLayerScene","diffuseColor","specularColor","subtract","alpha","_gizmoMesh","rotationMesh","collider","_createGizmoMesh","_rotationDisplayPlane","size","updatable","rotation","z","Math","PI","setEnabled","ShadersStore","_RotationGizmoVertexShader","_RotationGizmoFragmentShader","vertex","fragment","attributes","uniforms","backFaceCulling","material","visibility","lookAt","_rootMesh","position","add","addChild","PreserveScaling","scaling","scaleInPlace","dragBehavior","dragPlaneNormal","moveAttached","maxDragAngle","MaxDragAngle","_useAlternatePickedPointAboveMaxDragAngle","addBehavior","lastDragPosition","rotationMatrix","planeNormalTowardsCamera","localPlaneNormalTowardsCamera","onDragStartObservable","e","attachedNode","copyFrom","dragPlanePoint","getWorldMatrix","invertToRef","TransformCoordinatesToRef","x","atan2","y","updateGizmoRotationToMatchAttachedMesh","setVector3","onDragEndObservable","tmpSnapEvent","currentSnapDragDistance","tmpMatrix","amountToRotate","onDragObservable","event","nodeScale","nodeQuaternion","nodeTranslation","decompose","uniformScaling","abs","Warn","normalize","nodeTranslationForOperation","updateGizmoPositionToMatchAttachedMesh","absolutePosition","newVector","originalVector","cross","Cross","dot","Dot","length","toRotationMatrix","TransformCoordinates","cameraFlipped","activeCamera","camVec","halfCircleSide","set","validateDrag","snapped","dragSteps","floor","quaternionCoefficient","sin","cos","determinant","tmpVector","toEulerAnglesToRef","RotationYawPitchRollToRef","multiplyToRef","ComposeToRef","translation","getTranslation","setTranslation","notifyObservers","_matrixChanged","light","_getSharedGizmoLight","includedOnlyMeshes","concat","getChildMeshes","cache","colliderMeshes","gizmoMeshes","active","addToAxisCache","onPointerObservable","pointerInfo","_pointerInfo$pickInfo","_customMeshSet","_isHovered","indexOf","pickInfo","pickedMesh","enabled","_setGizmoMeshMaterial","onEnabledObservable","newState","parentMesh","diameter","_attachedNodeChanged","value","isEnabled","attachedMesh","dispose","clear","remove","detach","forEach","matl"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Gizmos/planeRotationGizmo.js"],"sourcesContent":["import { Observable } from \"../Misc/observable.js\";\nimport { Quaternion, Matrix, Vector3, TmpVectors } from \"../Maths/math.vector.js\";\nimport { Color3 } from \"../Maths/math.color.js\";\nimport \"../Meshes/Builders/linesBuilder.js\";\nimport { Mesh } from \"../Meshes/mesh.js\";\nimport { PointerDragBehavior } from \"../Behaviors/Meshes/pointerDragBehavior.js\";\nimport { Gizmo } from \"./gizmo.js\";\nimport { UtilityLayerRenderer } from \"../Rendering/utilityLayerRenderer.js\";\nimport { StandardMaterial } from \"../Materials/standardMaterial.js\";\nimport { ShaderMaterial } from \"../Materials/shaderMaterial.js\";\nimport { Effect } from \"../Materials/effect.js\";\nimport { CreatePlane } from \"../Meshes/Builders/planeBuilder.js\";\nimport { CreateTorus } from \"../Meshes/Builders/torusBuilder.js\";\nimport { Epsilon } from \"../Maths/math.constants.js\";\nimport { Logger } from \"../Misc/logger.js\";\n/**\n * Single plane rotation gizmo\n */\nexport class PlaneRotationGizmo extends Gizmo {\n /** Default material used to render when gizmo is not disabled or hovered */\n get coloredMaterial() {\n return this._coloredMaterial;\n }\n /** Material used to render when gizmo is hovered with mouse */\n get hoverMaterial() {\n return this._hoverMaterial;\n }\n /** Color used to render the drag angle sector when gizmo is rotated with mouse */\n set rotationColor(color) {\n this._rotationShaderMaterial.setColor3(\"rotationColor\", color);\n }\n /** Material used to render when gizmo is disabled. typically grey. */\n get disableMaterial() {\n return this._disableMaterial;\n }\n /**\n * Creates a PlaneRotationGizmo\n * @param planeNormal The normal of the plane which the gizmo will be able to rotate on\n * @param color The color of the gizmo\n * @param gizmoLayer The utility layer the gizmo will be added to\n * @param tessellation Amount of tessellation to be used when creating rotation circles\n * @param parent\n * @param useEulerRotation Use and update Euler angle instead of quaternion\n * @param thickness display gizmo axis thickness\n * @param hoverColor The color of the gizmo when hovering over and dragging\n * @param disableColor The Color of the gizmo when its disabled\n */\n constructor(planeNormal, color = Color3.Gray(), gizmoLayer = UtilityLayerRenderer.DefaultUtilityLayer, tessellation = 32, parent = null, \n // eslint-disable-next-line @typescript-eslint/no-unused-vars\n useEulerRotation = false, thickness = 1, hoverColor = Color3.Yellow(), disableColor = Color3.Gray()) {\n super(gizmoLayer);\n this._pointerObserver = null;\n /**\n * Rotation distance in radians that the gizmo will snap to (Default: 0)\n */\n this.snapDistance = 0;\n /**\n * Event that fires each time the gizmo snaps to a new location.\n * * snapDistance is the change in distance\n */\n this.onSnapObservable = new Observable();\n /**\n * Accumulated relative angle value for rotation on the axis. Reset to 0 when a dragStart occurs\n */\n this.angle = 0;\n /**\n * Custom sensitivity value for the drag strength\n */\n this.sensitivity = 1;\n this._isEnabled = true;\n this._parent = null;\n this._dragging = false;\n this._angles = new Vector3();\n this._parent = parent;\n // Create Material\n this._coloredMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._coloredMaterial.diffuseColor = color;\n this._coloredMaterial.specularColor = color.subtract(new Color3(0.1, 0.1, 0.1));\n this._hoverMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._hoverMaterial.diffuseColor = hoverColor;\n this._hoverMaterial.specularColor = hoverColor;\n this._disableMaterial = new StandardMaterial(\"\", gizmoLayer.utilityLayerScene);\n this._disableMaterial.diffuseColor = disableColor;\n this._disableMaterial.alpha = 0.4;\n // Build mesh on root node\n this._gizmoMesh = new Mesh(\"\", gizmoLayer.utilityLayerScene);\n const { rotationMesh, collider } = this._createGizmoMesh(this._gizmoMesh, thickness, tessellation);\n // Setup Rotation Circle\n this._rotationDisplayPlane = CreatePlane(\"rotationDisplay\", {\n size: 0.6,\n updatable: false,\n }, this.gizmoLayer.utilityLayerScene);\n this._rotationDisplayPlane.rotation.z = Math.PI * 0.5;\n this._rotationDisplayPlane.parent = this._gizmoMesh;\n this._rotationDisplayPlane.setEnabled(false);\n Effect.ShadersStore[\"rotationGizmoVertexShader\"] = PlaneRotationGizmo._RotationGizmoVertexShader;\n Effect.ShadersStore[\"rotationGizmoFragmentShader\"] = PlaneRotationGizmo._RotationGizmoFragmentShader;\n this._rotationShaderMaterial = new ShaderMaterial(\"shader\", this.gizmoLayer.utilityLayerScene, {\n vertex: \"rotationGizmo\",\n fragment: \"rotationGizmo\",\n }, {\n attributes: [\"position\", \"uv\"],\n uniforms: [\"worldViewProjection\", \"angles\", \"rotationColor\"],\n });\n this._rotationShaderMaterial.backFaceCulling = false;\n this.rotationColor = hoverColor;\n this._rotationDisplayPlane.material = this._rotationShaderMaterial;\n this._rotationDisplayPlane.visibility = 0.999;\n this._gizmoMesh.lookAt(this._rootMesh.position.add(planeNormal));\n this._rootMesh.addChild(this._gizmoMesh, Gizmo.PreserveScaling);\n this._gizmoMesh.scaling.scaleInPlace(1 / 3);\n // Add drag behavior to handle events when the gizmo is dragged\n this.dragBehavior = new PointerDragBehavior({ dragPlaneNormal: planeNormal });\n this.dragBehavior.moveAttached = false;\n this.dragBehavior.maxDragAngle = PlaneRotationGizmo.MaxDragAngle;\n this.dragBehavior._useAlternatePickedPointAboveMaxDragAngle = true;\n this._rootMesh.addBehavior(this.dragBehavior);\n // Closures for drag logic\n const lastDragPosition = new Vector3();\n const rotationMatrix = new Matrix();\n const planeNormalTowardsCamera = new Vector3();\n let localPlaneNormalTowardsCamera = new Vector3();\n this.dragBehavior.onDragStartObservable.add((e) => {\n if (this.attachedNode) {\n lastDragPosition.copyFrom(e.dragPlanePoint);\n this._rotationDisplayPlane.setEnabled(true);\n this._rotationDisplayPlane.getWorldMatrix().invertToRef(rotationMatrix);\n Vector3.TransformCoordinatesToRef(e.dragPlanePoint, rotationMatrix, lastDragPosition);\n this._angles.x = Math.atan2(lastDragPosition.y, lastDragPosition.x) + Math.PI;\n this._angles.y = 0;\n this._angles.z = this.updateGizmoRotationToMatchAttachedMesh ? 1 : 0;\n this._dragging = true;\n lastDragPosition.copyFrom(e.dragPlanePoint);\n this._rotationShaderMaterial.setVector3(\"angles\", this._angles);\n this.angle = 0;\n }\n });\n this.dragBehavior.onDragEndObservable.add(() => {\n this._dragging = false;\n this._rotationDisplayPlane.setEnabled(false);\n });\n const tmpSnapEvent = { snapDistance: 0 };\n let currentSnapDragDistance = 0;\n const tmpMatrix = new Matrix();\n const amountToRotate = new Quaternion();\n this.dragBehavior.onDragObservable.add((event) => {\n if (this.attachedNode) {\n // Calc angle over full 360 degree (https://stackoverflow.com/questions/43493711/the-angle-between-two-3d-vectors-with-a-result-range-0-360)\n const nodeScale = new Vector3(1, 1, 1);\n const nodeQuaternion = new Quaternion(0, 0, 0, 1);\n const nodeTranslation = new Vector3(0, 0, 0);\n this.attachedNode.getWorldMatrix().decompose(nodeScale, nodeQuaternion, nodeTranslation);\n // uniform scaling of absolute value of components\n // (-1,1,1) is uniform but (1,1.001,1) is not\n const uniformScaling = Math.abs(Math.abs(nodeScale.x) - Math.abs(nodeScale.y)) <= Epsilon && Math.abs(Math.abs(nodeScale.x) - Math.abs(nodeScale.z)) <= Epsilon;\n if (!uniformScaling && this.updateGizmoRotationToMatchAttachedMesh) {\n Logger.Warn(\"Unable to use a rotation gizmo matching mesh rotation with non uniform scaling. Use uniform scaling or set updateGizmoRotationToMatchAttachedMesh to false.\");\n return;\n }\n nodeQuaternion.normalize();\n const nodeTranslationForOperation = this.updateGizmoPositionToMatchAttachedMesh ? nodeTranslation : this._rootMesh.absolutePosition;\n const newVector = event.dragPlanePoint.subtract(nodeTranslationForOperation).normalize();\n const originalVector = lastDragPosition.subtract(nodeTranslationForOperation).normalize();\n const cross = Vector3.Cross(newVector, originalVector);\n const dot = Vector3.Dot(newVector, originalVector);\n let angle = Math.atan2(cross.length(), dot) * this.sensitivity;\n planeNormalTowardsCamera.copyFrom(planeNormal);\n localPlaneNormalTowardsCamera.copyFrom(planeNormal);\n if (this.updateGizmoRotationToMatchAttachedMesh) {\n nodeQuaternion.toRotationMatrix(rotationMatrix);\n localPlaneNormalTowardsCamera = Vector3.TransformCoordinates(planeNormalTowardsCamera, rotationMatrix);\n }\n // Flip up vector depending on which side the camera is on\n let cameraFlipped = false;\n if (gizmoLayer.utilityLayerScene.activeCamera) {\n const camVec = gizmoLayer.utilityLayerScene.activeCamera.position.subtract(nodeTranslationForOperation).normalize();\n if (Vector3.Dot(camVec, localPlaneNormalTowardsCamera) > 0) {\n planeNormalTowardsCamera.scaleInPlace(-1);\n localPlaneNormalTowardsCamera.scaleInPlace(-1);\n cameraFlipped = true;\n }\n }\n const halfCircleSide = Vector3.Dot(localPlaneNormalTowardsCamera, cross) > 0.0;\n if (halfCircleSide) {\n angle = -angle;\n }\n TmpVectors.Vector3[0].set(angle, 0, 0);\n if (!this.dragBehavior.validateDrag(TmpVectors.Vector3[0])) {\n angle = 0;\n }\n // Snapping logic\n let snapped = false;\n if (this.snapDistance != 0) {\n currentSnapDragDistance += angle;\n if (Math.abs(currentSnapDragDistance) > this.snapDistance) {\n let dragSteps = Math.floor(Math.abs(currentSnapDragDistance) / this.snapDistance);\n if (currentSnapDragDistance < 0) {\n dragSteps *= -1;\n }\n currentSnapDragDistance = currentSnapDragDistance % this.snapDistance;\n angle = this.snapDistance * dragSteps;\n snapped = true;\n }\n else {\n angle = 0;\n }\n }\n // Convert angle and axis to quaternion (http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm)\n const quaternionCoefficient = Math.sin(angle / 2);\n amountToRotate.set(planeNormalTowardsCamera.x * quaternionCoefficient, planeNormalTowardsCamera.y * quaternionCoefficient, planeNormalTowardsCamera.z * quaternionCoefficient, Math.cos(angle / 2));\n // If the meshes local scale is inverted (eg. loaded gltf file parent with z scale of -1) the rotation needs to be inverted on the y axis\n if (tmpMatrix.determinant() > 0) {\n const tmpVector = new Vector3();\n amountToRotate.toEulerAnglesToRef(tmpVector);\n Quaternion.RotationYawPitchRollToRef(tmpVector.y, -tmpVector.x, -tmpVector.z, amountToRotate);\n }\n if (this.updateGizmoRotationToMatchAttachedMesh) {\n // Rotate selected mesh quaternion over fixed axis\n nodeQuaternion.multiplyToRef(amountToRotate, nodeQuaternion);\n nodeQuaternion.normalize();\n // recompose matrix\n Matrix.ComposeToRef(nodeScale, nodeQuaternion, nodeTranslation, this.attachedNode.getWorldMatrix());\n }\n else {\n // Rotate selected mesh quaternion over rotated axis\n amountToRotate.toRotationMatrix(TmpVectors.Matrix[0]);\n const translation = this.attachedNode.getWorldMatrix().getTranslation();\n this.attachedNode.getWorldMatrix().multiplyToRef(TmpVectors.Matrix[0], this.attachedNode.getWorldMatrix());\n this.attachedNode.getWorldMatrix().setTranslation(translation);\n }\n lastDragPosition.copyFrom(event.dragPlanePoint);\n if (snapped) {\n tmpSnapEvent.snapDistance = angle;\n this.onSnapObservable.notifyObservers(tmpSnapEvent);\n }\n this._angles.y += angle;\n this.angle += cameraFlipped ? -angle : angle;\n this._rotationShaderMaterial.setVector3(\"angles\", this._angles);\n this._matrixChanged();\n }\n });\n const light = gizmoLayer._getSharedGizmoLight();\n light.includedOnlyMeshes = light.includedOnlyMeshes.concat(this._rootMesh.getChildMeshes(false));\n const cache = {\n colliderMeshes: [collider],\n gizmoMeshes: [rotationMesh],\n material: this._coloredMaterial,\n hoverMaterial: this._hoverMaterial,\n disableMaterial: this._disableMaterial,\n active: false,\n dragBehavior: this.dragBehavior,\n };\n this._parent?.addToAxisCache(this._gizmoMesh, cache);\n this._pointerObserver = gizmoLayer.utilityLayerScene.onPointerObservable.add((pointerInfo) => {\n if (this._customMeshSet) {\n return;\n }\n // updating here the maxangle because ondragstart is too late (value already used) and the updated value is not taken into account\n this.dragBehavior.maxDragAngle = PlaneRotationGizmo.MaxDragAngle;\n this._isHovered = !!(cache.colliderMeshes.indexOf(pointerInfo?.pickInfo?.pickedMesh) != -1);\n if (!this._parent) {\n const material = cache.dragBehavior.enabled ? (this._isHovered || this._dragging ? this._hoverMaterial : this._coloredMaterial) : this._disableMaterial;\n this._setGizmoMeshMaterial(cache.gizmoMeshes, material);\n }\n });\n this.dragBehavior.onEnabledObservable.add((newState) => {\n this._setGizmoMeshMaterial(cache.gizmoMeshes, newState ? this._coloredMaterial : this._disableMaterial);\n });\n }\n /**\n * @internal\n * Create Geometry for Gizmo\n * @param parentMesh\n * @param thickness\n * @param tessellation\n * @returns\n */\n _createGizmoMesh(parentMesh, thickness, tessellation) {\n const collider = CreateTorus(\"ignore\", {\n diameter: 0.6,\n thickness: 0.03 * thickness,\n tessellation,\n }, this.gizmoLayer.utilityLayerScene);\n collider.visibility = 0;\n const rotationMesh = CreateTorus(\"\", {\n diameter: 0.6,\n thickness: 0.005 * thickness,\n tessellation,\n }, this.gizmoLayer.utilityLayerScene);\n rotationMesh.material = this._coloredMaterial;\n // Position arrow pointing in its drag axis\n rotationMesh.rotation.x = Math.PI / 2;\n collider.rotation.x = Math.PI / 2;\n parentMesh.addChild(rotationMesh, Gizmo.PreserveScaling);\n parentMesh.addChild(collider, Gizmo.PreserveScaling);\n return { rotationMesh, collider };\n }\n _attachedNodeChanged(value) {\n if (this.dragBehavior) {\n this.dragBehavior.enabled = value ? true : false;\n }\n }\n /**\n * If the gizmo is enabled\n */\n set isEnabled(value) {\n this._isEnabled = value;\n if (!value) {\n this.attachedMesh = null;\n }\n else {\n if (this._parent) {\n this.attachedMesh = this._parent.attachedMesh;\n }\n }\n }\n get isEnabled() {\n return this._isEnabled;\n }\n /**\n * Disposes of the gizmo\n */\n dispose() {\n this.onSnapObservable.clear();\n this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver);\n this.dragBehavior.detach();\n if (this._gizmoMesh) {\n this._gizmoMesh.dispose();\n }\n if (this._rotationDisplayPlane) {\n this._rotationDisplayPlane.dispose();\n }\n if (this._rotationShaderMaterial) {\n this._rotationShaderMaterial.dispose();\n }\n [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((matl) => {\n if (matl) {\n matl.dispose();\n }\n });\n super.dispose();\n }\n}\n/**\n * The maximum angle between the camera and the rotation allowed for interaction\n * If a rotation plane appears 'flat', a lower value allows interaction.\n */\nPlaneRotationGizmo.MaxDragAngle = (Math.PI * 9) / 20;\nPlaneRotationGizmo._RotationGizmoVertexShader = `\r\n precision highp float;\r\n attribute vec3 position;\r\n attribute vec2 uv;\r\n uniform mat4 worldViewProjection;\r\n varying vec3 vPosition;\r\n varying vec2 vUV;\r\n\r\n void main(void) {\r\n gl_Position = worldViewProjection * vec4(position, 1.0);\r\n vUV = uv;\r\n }`;\nPlaneRotationGizmo._RotationGizmoFragmentShader = `\r\n precision highp float;\r\n varying vec2 vUV;\r\n varying vec3 vPosition;\r\n uniform vec3 angles;\r\n uniform vec3 rotationColor;\r\n\r\n #define twopi 6.283185307\r\n\r\n void main(void) {\r\n vec2 uv = vUV - vec2(0.5);\r\n float angle = atan(uv.y, uv.x) + 3.141592;\r\n float delta = gl_FrontFacing ? angles.y : -angles.y;\r\n float begin = angles.x - delta * angles.z;\r\n float start = (begin < (begin + delta)) ? begin : (begin + delta);\r\n float end = (begin > (begin + delta)) ? begin : (begin + delta);\r\n float len = sqrt(dot(uv,uv));\r\n float opacity = 1. - step(0.5, len);\r\n\r\n float base = abs(floor(start / twopi)) * twopi;\r\n start += base;\r\n end += base;\r\n\r\n float intensity = 0.;\r\n for (int i = 0; i < 5; i++)\r\n {\r\n intensity += max(step(start, angle) - step(end, angle), 0.);\r\n angle += twopi;\r\n }\r\n gl_FragColor = vec4(rotationColor, min(intensity * 0.25, 0.8)) * opacity;\r\n }\r\n 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