| 1 |
- {"ast":null,"code":"import { Observable } from \"../Misc/observable.js\";\nimport { Vector3, TmpVectors, Matrix } from \"../Maths/math.vector.js\";\nimport { Sprite } from \"./sprite.js\";\nimport { SpriteSceneComponent } from \"./spriteSceneComponent.js\";\nimport { PickingInfo } from \"../Collisions/pickingInfo.js\";\nimport { Texture } from \"../Materials/Textures/texture.js\";\nimport { SceneComponentConstants } from \"../sceneComponent.js\";\nimport { Logger } from \"../Misc/logger.js\";\nimport { Tools } from \"../Misc/tools.js\";\nimport { WebRequest } from \"../Misc/webRequest.js\";\nimport { SpriteRenderer } from \"./spriteRenderer.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\n\n/**\n * Class used to manage multiple sprites on the same spritesheet\n * @see https://doc.babylonjs.com/features/featuresDeepDive/sprites\n */\nexport class SpriteManager {\n /**\n * Callback called when the manager is disposed\n */\n set onDispose(callback) {\n if (this._onDisposeObserver) {\n this.onDisposeObservable.remove(this._onDisposeObserver);\n }\n this._onDisposeObserver = this.onDisposeObservable.add(callback);\n }\n /**\n * Gets the array of sprites\n */\n get children() {\n return this.sprites;\n }\n /**\n * Gets the hosting scene\n */\n get scene() {\n return this._scene;\n }\n /**\n * Gets the capacity of the manager\n */\n get capacity() {\n return this._spriteRenderer.capacity;\n }\n /**\n * Gets or sets the spritesheet texture\n */\n get texture() {\n return this._spriteRenderer.texture;\n }\n set texture(value) {\n value.wrapU = Texture.CLAMP_ADDRESSMODE;\n value.wrapV = Texture.CLAMP_ADDRESSMODE;\n this._spriteRenderer.texture = value;\n this._textureContent = null;\n }\n /** Defines the default width of a cell in the spritesheet */\n get cellWidth() {\n return this._spriteRenderer.cellWidth;\n }\n set cellWidth(value) {\n this._spriteRenderer.cellWidth = value;\n }\n /** Defines the default height of a cell in the spritesheet */\n get cellHeight() {\n return this._spriteRenderer.cellHeight;\n }\n set cellHeight(value) {\n this._spriteRenderer.cellHeight = value;\n }\n /** Gets or sets a boolean indicating if the manager must consider scene fog when rendering */\n get fogEnabled() {\n return this._spriteRenderer.fogEnabled;\n }\n set fogEnabled(value) {\n this._spriteRenderer.fogEnabled = value;\n }\n /** Gets or sets a boolean indicating if the manager must use logarithmic depth when rendering */\n get useLogarithmicDepth() {\n return this._spriteRenderer.useLogarithmicDepth;\n }\n set useLogarithmicDepth(value) {\n this._spriteRenderer.useLogarithmicDepth = value;\n }\n /**\n * Blend mode use to render the particle, it can be any of\n * the static undefined properties provided in this class.\n * Default value is 2\n */\n get blendMode() {\n return this._spriteRenderer.blendMode;\n }\n set blendMode(blendMode) {\n this._spriteRenderer.blendMode = blendMode;\n }\n /** Disables writing to the depth buffer when rendering the sprites.\n * It can be handy to disable depth writing when using textures without alpha channel\n * and setting some specific blend modes.\n */\n get disableDepthWrite() {\n return this._disableDepthWrite;\n }\n set disableDepthWrite(value) {\n this._disableDepthWrite = value;\n this._spriteRenderer.disableDepthWrite = value;\n }\n /**\n * Gets or sets a boolean indicating if the renderer must render sprites with pixel perfect rendering\n * In this mode, sprites are rendered as \"pixel art\", which means that they appear as pixelated but remain stable when moving or when rotated or scaled.\n * Note that for this mode to work as expected, the sprite texture must use the BILINEAR sampling mode, not NEAREST!\n */\n get pixelPerfect() {\n return this._spriteRenderer.pixelPerfect;\n }\n set pixelPerfect(value) {\n this._spriteRenderer.pixelPerfect = value;\n if (value && this.texture.samplingMode !== 3) {\n this.texture.updateSamplingMode(3);\n }\n }\n /**\n * Creates a new sprite manager\n * @param name defines the manager's name\n * @param imgUrl defines the sprite sheet url\n * @param capacity defines the maximum allowed number of sprites\n * @param cellSize defines the size of a sprite cell\n * @param scene defines the hosting scene\n * @param epsilon defines the epsilon value to align texture (0.01 by default)\n * @param samplingMode defines the sampling mode to use with spritesheet\n * @param fromPacked set to false; do not alter\n * @param spriteJSON null otherwise a JSON object defining sprite sheet data; do not alter\n * @param options options used to create the SpriteManager instance\n */\n constructor( /** defines the manager's name */\n name, imgUrl, capacity, cellSize, scene, epsilon = 0.01, samplingMode = Texture.TRILINEAR_SAMPLINGMODE, fromPacked = false, spriteJSON = null, options) {\n this.name = name;\n /** Gets the list of sprites */\n this.sprites = [];\n /** Gets or sets the rendering group id (0 by default) */\n this.renderingGroupId = 0;\n /** Gets or sets camera layer mask */\n this.layerMask = 0x0fffffff;\n /** Gets or sets a boolean indicating if the sprites are pickable */\n this.isPickable = false;\n /**\n * Gets or sets an object used to store user defined information for the sprite manager\n */\n this.metadata = null;\n /** @internal */\n this._wasDispatched = false;\n /**\n * An event triggered when the manager is disposed.\n */\n this.onDisposeObservable = new Observable();\n this._disableDepthWrite = false;\n /** True when packed cell data from JSON file is ready*/\n this._packedAndReady = false;\n this._customUpdate = (sprite, baseSize) => {\n if (!sprite.cellRef) {\n sprite.cellIndex = 0;\n }\n const num = sprite.cellIndex;\n if (typeof num === \"number\" && isFinite(num) && Math.floor(num) === num) {\n sprite.cellRef = this._spriteMap[sprite.cellIndex];\n }\n sprite._xOffset = this._cellData[sprite.cellRef].frame.x / baseSize.width;\n sprite._yOffset = this._cellData[sprite.cellRef].frame.y / baseSize.height;\n sprite._xSize = this._cellData[sprite.cellRef].frame.w;\n sprite._ySize = this._cellData[sprite.cellRef].frame.h;\n };\n if (!scene) {\n scene = EngineStore.LastCreatedScene;\n }\n if (!scene._getComponent(SceneComponentConstants.NAME_SPRITE)) {\n scene._addComponent(new SpriteSceneComponent(scene));\n }\n this._fromPacked = fromPacked;\n this._scene = scene;\n const engine = this._scene.getEngine();\n this._spriteRenderer = new SpriteRenderer(engine, capacity, epsilon, scene, options === null || options === void 0 ? void 0 : options.spriteRendererOptions);\n if (cellSize.width && cellSize.height) {\n this.cellWidth = cellSize.width;\n this.cellHeight = cellSize.height;\n } else if (cellSize !== undefined) {\n this.cellWidth = cellSize;\n this.cellHeight = cellSize;\n } else {\n this._spriteRenderer = null;\n return;\n }\n this._scene.spriteManagers && this._scene.spriteManagers.push(this);\n this.uniqueId = this.scene.getUniqueId();\n if (imgUrl) {\n this.texture = new Texture(imgUrl, scene, true, false, samplingMode);\n }\n if (this._fromPacked) {\n this._makePacked(imgUrl, spriteJSON);\n }\n }\n /**\n * Returns the string \"SpriteManager\"\n * @returns \"SpriteManager\"\n */\n getClassName() {\n return \"SpriteManager\";\n }\n _makePacked(imgUrl, spriteJSON) {\n if (spriteJSON !== null) {\n try {\n //Get the JSON and Check its structure. If its an array parse it if its a JSON string etc...\n let celldata;\n if (typeof spriteJSON === \"string\") {\n celldata = JSON.parse(spriteJSON);\n } else {\n celldata = spriteJSON;\n }\n if (celldata.frames.length) {\n const frametemp = {};\n for (let i = 0; i < celldata.frames.length; i++) {\n const _f = celldata.frames[i];\n if (typeof Object.keys(_f)[0] !== \"string\") {\n throw new Error(\"Invalid JSON Format. Check the frame values and make sure the name is the first parameter.\");\n }\n const name = _f[Object.keys(_f)[0]];\n frametemp[name] = _f;\n }\n celldata.frames = frametemp;\n }\n const spritemap = Reflect.ownKeys(celldata.frames);\n this._spriteMap = spritemap;\n this._packedAndReady = true;\n this._cellData = celldata.frames;\n } catch (e) {\n this._fromPacked = false;\n this._packedAndReady = false;\n throw new Error(\"Invalid JSON from string. Spritesheet managed with constant cell size.\");\n }\n } else {\n const re = /\\./g;\n let li;\n do {\n li = re.lastIndex;\n re.test(imgUrl);\n } while (re.lastIndex > 0);\n const jsonUrl = imgUrl.substring(0, li - 1) + \".json\";\n const onerror = () => {\n Logger.Error(\"JSON ERROR: Unable to load JSON file.\");\n this._fromPacked = false;\n this._packedAndReady = false;\n };\n const onload = data => {\n try {\n const celldata = JSON.parse(data);\n const spritemap = Reflect.ownKeys(celldata.frames);\n this._spriteMap = spritemap;\n this._packedAndReady = true;\n this._cellData = celldata.frames;\n } catch (e) {\n this._fromPacked = false;\n this._packedAndReady = false;\n throw new Error(\"Invalid JSON format. Please check documentation for format specifications.\");\n }\n };\n Tools.LoadFile(jsonUrl, onload, undefined, undefined, false, onerror);\n }\n }\n _checkTextureAlpha(sprite, ray, distance, min, max) {\n if (!sprite.useAlphaForPicking || !this.texture) {\n return true;\n }\n const textureSize = this.texture.getSize();\n if (!this._textureContent) {\n this._textureContent = new Uint8Array(textureSize.width * textureSize.height * 4);\n this.texture.readPixels(0, 0, this._textureContent);\n }\n const contactPoint = TmpVectors.Vector3[0];\n contactPoint.copyFrom(ray.direction);\n contactPoint.normalize();\n contactPoint.scaleInPlace(distance);\n contactPoint.addInPlace(ray.origin);\n const contactPointU = (contactPoint.x - min.x) / (max.x - min.x);\n const contactPointV = 1.0 - (contactPoint.y - min.y) / (max.y - min.y);\n const u = sprite._xOffset * textureSize.width + contactPointU * sprite._xSize | 0;\n const v = sprite._yOffset * textureSize.height + contactPointV * sprite._ySize | 0;\n const alpha = this._textureContent[(u + v * textureSize.width) * 4 + 3];\n return alpha > 0.5;\n }\n /**\n * Intersects the sprites with a ray\n * @param ray defines the ray to intersect with\n * @param camera defines the current active camera\n * @param predicate defines a predicate used to select candidate sprites\n * @param fastCheck defines if a fast check only must be done (the first potential sprite is will be used and not the closer)\n * @returns null if no hit or a PickingInfo\n */\n intersects(ray, camera, predicate, fastCheck) {\n const count = Math.min(this.capacity, this.sprites.length);\n const min = Vector3.Zero();\n const max = Vector3.Zero();\n let distance = Number.MAX_VALUE;\n let currentSprite = null;\n const pickedPoint = TmpVectors.Vector3[0];\n const cameraSpacePosition = TmpVectors.Vector3[1];\n const cameraView = camera.getViewMatrix();\n let activeRay = ray;\n let pickedRay = ray;\n for (let index = 0; index < count; index++) {\n const sprite = this.sprites[index];\n if (!sprite) {\n continue;\n }\n if (predicate) {\n if (!predicate(sprite)) {\n continue;\n }\n } else if (!sprite.isPickable) {\n continue;\n }\n Vector3.TransformCoordinatesToRef(sprite.position, cameraView, cameraSpacePosition);\n if (sprite.angle) {\n // Create a rotation matrix to rotate the ray to the sprite's rotation\n Matrix.TranslationToRef(-cameraSpacePosition.x, -cameraSpacePosition.y, 0, TmpVectors.Matrix[1]);\n Matrix.TranslationToRef(cameraSpacePosition.x, cameraSpacePosition.y, 0, TmpVectors.Matrix[2]);\n Matrix.RotationZToRef(-sprite.angle, TmpVectors.Matrix[3]);\n // inv translation x rotation x translation\n TmpVectors.Matrix[1].multiplyToRef(TmpVectors.Matrix[3], TmpVectors.Matrix[4]);\n TmpVectors.Matrix[4].multiplyToRef(TmpVectors.Matrix[2], TmpVectors.Matrix[0]);\n activeRay = ray.clone();\n Vector3.TransformCoordinatesToRef(ray.origin, TmpVectors.Matrix[0], activeRay.origin);\n Vector3.TransformNormalToRef(ray.direction, TmpVectors.Matrix[0], activeRay.direction);\n } else {\n activeRay = ray;\n }\n min.copyFromFloats(cameraSpacePosition.x - sprite.width / 2, cameraSpacePosition.y - sprite.height / 2, cameraSpacePosition.z);\n max.copyFromFloats(cameraSpacePosition.x + sprite.width / 2, cameraSpacePosition.y + sprite.height / 2, cameraSpacePosition.z);\n if (activeRay.intersectsBoxMinMax(min, max)) {\n const currentDistance = Vector3.Distance(cameraSpacePosition, activeRay.origin);\n if (distance > currentDistance) {\n if (!this._checkTextureAlpha(sprite, activeRay, currentDistance, min, max)) {\n continue;\n }\n pickedRay = activeRay;\n distance = currentDistance;\n currentSprite = sprite;\n if (fastCheck) {\n break;\n }\n }\n }\n }\n if (currentSprite) {\n const result = new PickingInfo();\n cameraView.invertToRef(TmpVectors.Matrix[0]);\n result.hit = true;\n result.pickedSprite = currentSprite;\n result.distance = distance;\n // Get picked point\n const direction = TmpVectors.Vector3[2];\n direction.copyFrom(pickedRay.direction);\n direction.normalize();\n direction.scaleInPlace(distance);\n pickedRay.origin.addToRef(direction, pickedPoint);\n result.pickedPoint = Vector3.TransformCoordinates(pickedPoint, TmpVectors.Matrix[0]);\n return result;\n }\n return null;\n }\n /**\n * Intersects the sprites with a ray\n * @param ray defines the ray to intersect with\n * @param camera defines the current active camera\n * @param predicate defines a predicate used to select candidate sprites\n * @returns null if no hit or a PickingInfo array\n */\n multiIntersects(ray, camera, predicate) {\n const count = Math.min(this.capacity, this.sprites.length);\n const min = Vector3.Zero();\n const max = Vector3.Zero();\n let distance;\n const results = [];\n const pickedPoint = TmpVectors.Vector3[0].copyFromFloats(0, 0, 0);\n const cameraSpacePosition = TmpVectors.Vector3[1].copyFromFloats(0, 0, 0);\n const cameraView = camera.getViewMatrix();\n for (let index = 0; index < count; index++) {\n const sprite = this.sprites[index];\n if (!sprite) {\n continue;\n }\n if (predicate) {\n if (!predicate(sprite)) {\n continue;\n }\n } else if (!sprite.isPickable) {\n continue;\n }\n Vector3.TransformCoordinatesToRef(sprite.position, cameraView, cameraSpacePosition);\n min.copyFromFloats(cameraSpacePosition.x - sprite.width / 2, cameraSpacePosition.y - sprite.height / 2, cameraSpacePosition.z);\n max.copyFromFloats(cameraSpacePosition.x + sprite.width / 2, cameraSpacePosition.y + sprite.height / 2, cameraSpacePosition.z);\n if (ray.intersectsBoxMinMax(min, max)) {\n distance = Vector3.Distance(cameraSpacePosition, ray.origin);\n if (!this._checkTextureAlpha(sprite, ray, distance, min, max)) {\n continue;\n }\n const result = new PickingInfo();\n results.push(result);\n cameraView.invertToRef(TmpVectors.Matrix[0]);\n result.hit = true;\n result.pickedSprite = sprite;\n result.distance = distance;\n // Get picked point\n const direction = TmpVectors.Vector3[2];\n direction.copyFrom(ray.direction);\n direction.normalize();\n direction.scaleInPlace(distance);\n ray.origin.addToRef(direction, pickedPoint);\n result.pickedPoint = Vector3.TransformCoordinates(pickedPoint, TmpVectors.Matrix[0]);\n }\n }\n return results;\n }\n /**\n * Render all child sprites\n */\n render() {\n // Check\n if (this._fromPacked && (!this._packedAndReady || !this._spriteMap || !this._cellData)) {\n return;\n }\n const engine = this._scene.getEngine();\n const deltaTime = engine.getDeltaTime();\n if (this._packedAndReady) {\n this._spriteRenderer.render(this.sprites, deltaTime, this._scene.getViewMatrix(), this._scene.getProjectionMatrix(), this._customUpdate);\n } else {\n this._spriteRenderer.render(this.sprites, deltaTime, this._scene.getViewMatrix(), this._scene.getProjectionMatrix());\n }\n }\n /**\n * Rebuilds the manager (after a context lost, for eg)\n */\n rebuild() {\n var _this$_spriteRenderer;\n (_this$_spriteRenderer = this._spriteRenderer) === null || _this$_spriteRenderer === void 0 || _this$_spriteRenderer.rebuild();\n }\n /**\n * Release associated resources\n */\n dispose() {\n if (this._spriteRenderer) {\n this._spriteRenderer.dispose();\n this._spriteRenderer = null;\n }\n this._textureContent = null;\n // Remove from scene\n if (this._scene.spriteManagers) {\n const index = this._scene.spriteManagers.indexOf(this);\n this._scene.spriteManagers.splice(index, 1);\n }\n // Callback\n this.onDisposeObservable.notifyObservers(this);\n this.onDisposeObservable.clear();\n this.metadata = null;\n }\n /**\n * Serializes the sprite manager to a JSON object\n * @param serializeTexture defines if the texture must be serialized as well\n * @returns the JSON object\n */\n serialize(serializeTexture = false) {\n const serializationObject = {};\n serializationObject.name = this.name;\n serializationObject.capacity = this.capacity;\n serializationObject.cellWidth = this.cellWidth;\n serializationObject.cellHeight = this.cellHeight;\n serializationObject.fogEnabled = this.fogEnabled;\n serializationObject.blendMode = this.blendMode;\n serializationObject.disableDepthWrite = this.disableDepthWrite;\n serializationObject.pixelPerfect = this.pixelPerfect;\n serializationObject.useLogarithmicDepth = this.useLogarithmicDepth;\n if (this.texture) {\n if (serializeTexture) {\n serializationObject.texture = this.texture.serialize();\n } else {\n serializationObject.textureUrl = this.texture.name;\n serializationObject.invertY = this.texture._invertY;\n }\n }\n serializationObject.sprites = [];\n for (const sprite of this.sprites) {\n serializationObject.sprites.push(sprite.serialize());\n }\n serializationObject.metadata = this.metadata;\n return serializationObject;\n }\n /**\n * Parses a JSON object to create a new sprite manager.\n * @param parsedManager The JSON object to parse\n * @param scene The scene to create the sprite manager\n * @param rootUrl The root url to use to load external dependencies like texture\n * @returns the new sprite manager\n */\n static Parse(parsedManager, scene, rootUrl) {\n const manager = new SpriteManager(parsedManager.name, \"\", parsedManager.capacity, {\n width: parsedManager.cellWidth,\n height: parsedManager.cellHeight\n }, scene);\n if (parsedManager.fogEnabled !== undefined) {\n manager.fogEnabled = parsedManager.fogEnabled;\n }\n if (parsedManager.blendMode !== undefined) {\n manager.blendMode = parsedManager.blendMode;\n }\n if (parsedManager.disableDepthWrite !== undefined) {\n manager.disableDepthWrite = parsedManager.disableDepthWrite;\n }\n if (parsedManager.pixelPerfect !== undefined) {\n manager.pixelPerfect = parsedManager.pixelPerfect;\n }\n if (parsedManager.useLogarithmicDepth !== undefined) {\n manager.useLogarithmicDepth = parsedManager.useLogarithmicDepth;\n }\n if (parsedManager.metadata !== undefined) {\n manager.metadata = parsedManager.metadata;\n }\n if (parsedManager.texture) {\n manager.texture = Texture.Parse(parsedManager.texture, scene, rootUrl);\n } else if (parsedManager.textureName) {\n manager.texture = new Texture(rootUrl + parsedManager.textureUrl, scene, false, parsedManager.invertY !== undefined ? parsedManager.invertY : true);\n }\n for (const parsedSprite of parsedManager.sprites) {\n Sprite.Parse(parsedSprite, manager);\n }\n return manager;\n }\n /**\n * Creates a sprite manager from a snippet saved in a remote file\n * @param name defines the name of the sprite manager to create (can be null or empty to use the one from the json data)\n * @param url defines the url to load from\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\n static ParseFromFileAsync(name, url, scene, rootUrl = \"\") {\n return new Promise((resolve, reject) => {\n const request = new WebRequest();\n request.addEventListener(\"readystatechange\", () => {\n if (request.readyState == 4) {\n if (request.status == 200) {\n const serializationObject = JSON.parse(request.responseText);\n const output = SpriteManager.Parse(serializationObject, scene || EngineStore.LastCreatedScene, rootUrl);\n if (name) {\n output.name = name;\n }\n resolve(output);\n } else {\n reject(\"Unable to load the sprite manager\");\n }\n }\n });\n request.open(\"GET\", url);\n request.send();\n });\n }\n /**\n * Creates a sprite manager from a snippet saved by the sprite editor\n * @param snippetId defines the snippet to load (can be set to _BLANK to create a default one)\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\n static ParseFromSnippetAsync(snippetId, scene, rootUrl = \"\") {\n if (snippetId === \"_BLANK\") {\n return Promise.resolve(new SpriteManager(\"Default sprite manager\", \"//playground.babylonjs.com/textures/player.png\", 500, 64, scene));\n }\n return new Promise((resolve, reject) => {\n const request = new WebRequest();\n request.addEventListener(\"readystatechange\", () => {\n if (request.readyState == 4) {\n if (request.status == 200) {\n const snippet = JSON.parse(JSON.parse(request.responseText).jsonPayload);\n const serializationObject = JSON.parse(snippet.spriteManager);\n const output = SpriteManager.Parse(serializationObject, scene || EngineStore.LastCreatedScene, rootUrl);\n output.snippetId = snippetId;\n resolve(output);\n } else {\n reject(\"Unable to load the snippet \" + snippetId);\n }\n }\n });\n request.open(\"GET\", this.SnippetUrl + \"/\" + snippetId.replace(/#/g, \"/\"));\n request.send();\n });\n }\n}\n/** Define the Url to load snippets */\nSpriteManager.SnippetUrl = `https://snippet.babylonjs.com`;\n/**\n * Creates a sprite manager from a snippet saved by the sprite editor\n * @deprecated Please use ParseFromSnippetAsync instead\n * @param snippetId defines the snippet to load (can be set to _BLANK to create a default one)\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\nSpriteManager.CreateFromSnippetAsync = SpriteManager.ParseFromSnippetAsync;","map":{"version":3,"names":["Observable","Vector3","TmpVectors","Matrix","Sprite","SpriteSceneComponent","PickingInfo","Texture","SceneComponentConstants","Logger","Tools","WebRequest","SpriteRenderer","EngineStore","SpriteManager","onDispose","callback","_onDisposeObserver","onDisposeObservable","remove","add","children","sprites","scene","_scene","capacity","_spriteRenderer","texture","value","wrapU","CLAMP_ADDRESSMODE","wrapV","_textureContent","cellWidth","cellHeight","fogEnabled","useLogarithmicDepth","blendMode","disableDepthWrite","_disableDepthWrite","pixelPerfect","samplingMode","updateSamplingMode","constructor","name","imgUrl","cellSize","epsilon","TRILINEAR_SAMPLINGMODE","fromPacked","spriteJSON","options","renderingGroupId","layerMask","isPickable","metadata","_wasDispatched","_packedAndReady","_customUpdate","sprite","baseSize","cellRef","cellIndex","num","isFinite","Math","floor","_spriteMap","_xOffset","_cellData","frame","x","width","_yOffset","y","height","_xSize","w","_ySize","h","LastCreatedScene","_getComponent","NAME_SPRITE","_addComponent","_fromPacked","engine","getEngine","spriteRendererOptions","undefined","spriteManagers","push","uniqueId","getUniqueId","_makePacked","getClassName","celldata","JSON","parse","frames","length","frametemp","i","_f","Object","keys","Error","spritemap","Reflect","ownKeys","e","re","li","lastIndex","test","jsonUrl","substring","onerror","onload","data","LoadFile","_checkTextureAlpha","ray","distance","min","max","useAlphaForPicking","textureSize","getSize","Uint8Array","readPixels","contactPoint","copyFrom","direction","normalize","scaleInPlace","addInPlace","origin","contactPointU","contactPointV","u","v","alpha","intersects","camera","predicate","fastCheck","count","Zero","Number","MAX_VALUE","currentSprite","pickedPoint","cameraSpacePosition","cameraView","getViewMatrix","activeRay","pickedRay","index","TransformCoordinatesToRef","position","angle","TranslationToRef","RotationZToRef","multiplyToRef","clone","TransformNormalToRef","copyFromFloats","z","intersectsBoxMinMax","currentDistance","Distance","result","invertToRef","hit","pickedSprite","addToRef","TransformCoordinates","multiIntersects","results","render","deltaTime","getDeltaTime","getProjectionMatrix","rebuild","_this$_spriteRenderer","dispose","indexOf","splice","notifyObservers","clear","serialize","serializeTexture","serializationObject","textureUrl","invertY","_invertY","Parse","parsedManager","rootUrl","manager","textureName","parsedSprite","ParseFromFileAsync","url","Promise","resolve","reject","request","addEventListener","readyState","status","responseText","output","open","send","ParseFromSnippetAsync","snippetId","snippet","jsonPayload","spriteManager","SnippetUrl","replace","CreateFromSnippetAsync"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Sprites/spriteManager.js"],"sourcesContent":["import { Observable } from \"../Misc/observable.js\";\nimport { Vector3, TmpVectors, Matrix } from \"../Maths/math.vector.js\";\nimport { Sprite } from \"./sprite.js\";\nimport { SpriteSceneComponent } from \"./spriteSceneComponent.js\";\nimport { PickingInfo } from \"../Collisions/pickingInfo.js\";\nimport { Texture } from \"../Materials/Textures/texture.js\";\nimport { SceneComponentConstants } from \"../sceneComponent.js\";\nimport { Logger } from \"../Misc/logger.js\";\nimport { Tools } from \"../Misc/tools.js\";\nimport { WebRequest } from \"../Misc/webRequest.js\";\nimport { SpriteRenderer } from \"./spriteRenderer.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\n\n/**\n * Class used to manage multiple sprites on the same spritesheet\n * @see https://doc.babylonjs.com/features/featuresDeepDive/sprites\n */\nexport class SpriteManager {\n /**\n * Callback called when the manager is disposed\n */\n set onDispose(callback) {\n if (this._onDisposeObserver) {\n this.onDisposeObservable.remove(this._onDisposeObserver);\n }\n this._onDisposeObserver = this.onDisposeObservable.add(callback);\n }\n /**\n * Gets the array of sprites\n */\n get children() {\n return this.sprites;\n }\n /**\n * Gets the hosting scene\n */\n get scene() {\n return this._scene;\n }\n /**\n * Gets the capacity of the manager\n */\n get capacity() {\n return this._spriteRenderer.capacity;\n }\n /**\n * Gets or sets the spritesheet texture\n */\n get texture() {\n return this._spriteRenderer.texture;\n }\n set texture(value) {\n value.wrapU = Texture.CLAMP_ADDRESSMODE;\n value.wrapV = Texture.CLAMP_ADDRESSMODE;\n this._spriteRenderer.texture = value;\n this._textureContent = null;\n }\n /** Defines the default width of a cell in the spritesheet */\n get cellWidth() {\n return this._spriteRenderer.cellWidth;\n }\n set cellWidth(value) {\n this._spriteRenderer.cellWidth = value;\n }\n /** Defines the default height of a cell in the spritesheet */\n get cellHeight() {\n return this._spriteRenderer.cellHeight;\n }\n set cellHeight(value) {\n this._spriteRenderer.cellHeight = value;\n }\n /** Gets or sets a boolean indicating if the manager must consider scene fog when rendering */\n get fogEnabled() {\n return this._spriteRenderer.fogEnabled;\n }\n set fogEnabled(value) {\n this._spriteRenderer.fogEnabled = value;\n }\n /** Gets or sets a boolean indicating if the manager must use logarithmic depth when rendering */\n get useLogarithmicDepth() {\n return this._spriteRenderer.useLogarithmicDepth;\n }\n set useLogarithmicDepth(value) {\n this._spriteRenderer.useLogarithmicDepth = value;\n }\n /**\n * Blend mode use to render the particle, it can be any of\n * the static undefined properties provided in this class.\n * Default value is 2\n */\n get blendMode() {\n return this._spriteRenderer.blendMode;\n }\n set blendMode(blendMode) {\n this._spriteRenderer.blendMode = blendMode;\n }\n /** Disables writing to the depth buffer when rendering the sprites.\n * It can be handy to disable depth writing when using textures without alpha channel\n * and setting some specific blend modes.\n */\n get disableDepthWrite() {\n return this._disableDepthWrite;\n }\n set disableDepthWrite(value) {\n this._disableDepthWrite = value;\n this._spriteRenderer.disableDepthWrite = value;\n }\n /**\n * Gets or sets a boolean indicating if the renderer must render sprites with pixel perfect rendering\n * In this mode, sprites are rendered as \"pixel art\", which means that they appear as pixelated but remain stable when moving or when rotated or scaled.\n * Note that for this mode to work as expected, the sprite texture must use the BILINEAR sampling mode, not NEAREST!\n */\n get pixelPerfect() {\n return this._spriteRenderer.pixelPerfect;\n }\n set pixelPerfect(value) {\n this._spriteRenderer.pixelPerfect = value;\n if (value && this.texture.samplingMode !== 3) {\n this.texture.updateSamplingMode(3);\n }\n }\n /**\n * Creates a new sprite manager\n * @param name defines the manager's name\n * @param imgUrl defines the sprite sheet url\n * @param capacity defines the maximum allowed number of sprites\n * @param cellSize defines the size of a sprite cell\n * @param scene defines the hosting scene\n * @param epsilon defines the epsilon value to align texture (0.01 by default)\n * @param samplingMode defines the sampling mode to use with spritesheet\n * @param fromPacked set to false; do not alter\n * @param spriteJSON null otherwise a JSON object defining sprite sheet data; do not alter\n * @param options options used to create the SpriteManager instance\n */\n constructor(\n /** defines the manager's name */\n name, imgUrl, capacity, cellSize, scene, epsilon = 0.01, samplingMode = Texture.TRILINEAR_SAMPLINGMODE, fromPacked = false, spriteJSON = null, options) {\n this.name = name;\n /** Gets the list of sprites */\n this.sprites = [];\n /** Gets or sets the rendering group id (0 by default) */\n this.renderingGroupId = 0;\n /** Gets or sets camera layer mask */\n this.layerMask = 0x0fffffff;\n /** Gets or sets a boolean indicating if the sprites are pickable */\n this.isPickable = false;\n /**\n * Gets or sets an object used to store user defined information for the sprite manager\n */\n this.metadata = null;\n /** @internal */\n this._wasDispatched = false;\n /**\n * An event triggered when the manager is disposed.\n */\n this.onDisposeObservable = new Observable();\n this._disableDepthWrite = false;\n /** True when packed cell data from JSON file is ready*/\n this._packedAndReady = false;\n this._customUpdate = (sprite, baseSize) => {\n if (!sprite.cellRef) {\n sprite.cellIndex = 0;\n }\n const num = sprite.cellIndex;\n if (typeof num === \"number\" && isFinite(num) && Math.floor(num) === num) {\n sprite.cellRef = this._spriteMap[sprite.cellIndex];\n }\n sprite._xOffset = this._cellData[sprite.cellRef].frame.x / baseSize.width;\n sprite._yOffset = this._cellData[sprite.cellRef].frame.y / baseSize.height;\n sprite._xSize = this._cellData[sprite.cellRef].frame.w;\n sprite._ySize = this._cellData[sprite.cellRef].frame.h;\n };\n if (!scene) {\n scene = EngineStore.LastCreatedScene;\n }\n if (!scene._getComponent(SceneComponentConstants.NAME_SPRITE)) {\n scene._addComponent(new SpriteSceneComponent(scene));\n }\n this._fromPacked = fromPacked;\n this._scene = scene;\n const engine = this._scene.getEngine();\n this._spriteRenderer = new SpriteRenderer(engine, capacity, epsilon, scene, options?.spriteRendererOptions);\n if (cellSize.width && cellSize.height) {\n this.cellWidth = cellSize.width;\n this.cellHeight = cellSize.height;\n }\n else if (cellSize !== undefined) {\n this.cellWidth = cellSize;\n this.cellHeight = cellSize;\n }\n else {\n this._spriteRenderer = null;\n return;\n }\n this._scene.spriteManagers && this._scene.spriteManagers.push(this);\n this.uniqueId = this.scene.getUniqueId();\n if (imgUrl) {\n this.texture = new Texture(imgUrl, scene, true, false, samplingMode);\n }\n if (this._fromPacked) {\n this._makePacked(imgUrl, spriteJSON);\n }\n }\n /**\n * Returns the string \"SpriteManager\"\n * @returns \"SpriteManager\"\n */\n getClassName() {\n return \"SpriteManager\";\n }\n _makePacked(imgUrl, spriteJSON) {\n if (spriteJSON !== null) {\n try {\n //Get the JSON and Check its structure. If its an array parse it if its a JSON string etc...\n let celldata;\n if (typeof spriteJSON === \"string\") {\n celldata = JSON.parse(spriteJSON);\n }\n else {\n celldata = spriteJSON;\n }\n if (celldata.frames.length) {\n const frametemp = {};\n for (let i = 0; i < celldata.frames.length; i++) {\n const _f = celldata.frames[i];\n if (typeof Object.keys(_f)[0] !== \"string\") {\n throw new Error(\"Invalid JSON Format. Check the frame values and make sure the name is the first parameter.\");\n }\n const name = _f[Object.keys(_f)[0]];\n frametemp[name] = _f;\n }\n celldata.frames = frametemp;\n }\n const spritemap = Reflect.ownKeys(celldata.frames);\n this._spriteMap = spritemap;\n this._packedAndReady = true;\n this._cellData = celldata.frames;\n }\n catch (e) {\n this._fromPacked = false;\n this._packedAndReady = false;\n throw new Error(\"Invalid JSON from string. Spritesheet managed with constant cell size.\");\n }\n }\n else {\n const re = /\\./g;\n let li;\n do {\n li = re.lastIndex;\n re.test(imgUrl);\n } while (re.lastIndex > 0);\n const jsonUrl = imgUrl.substring(0, li - 1) + \".json\";\n const onerror = () => {\n Logger.Error(\"JSON ERROR: Unable to load JSON file.\");\n this._fromPacked = false;\n this._packedAndReady = false;\n };\n const onload = (data) => {\n try {\n const celldata = JSON.parse(data);\n const spritemap = Reflect.ownKeys(celldata.frames);\n this._spriteMap = spritemap;\n this._packedAndReady = true;\n this._cellData = celldata.frames;\n }\n catch (e) {\n this._fromPacked = false;\n this._packedAndReady = false;\n throw new Error(\"Invalid JSON format. Please check documentation for format specifications.\");\n }\n };\n Tools.LoadFile(jsonUrl, onload, undefined, undefined, false, onerror);\n }\n }\n _checkTextureAlpha(sprite, ray, distance, min, max) {\n if (!sprite.useAlphaForPicking || !this.texture) {\n return true;\n }\n const textureSize = this.texture.getSize();\n if (!this._textureContent) {\n this._textureContent = new Uint8Array(textureSize.width * textureSize.height * 4);\n this.texture.readPixels(0, 0, this._textureContent);\n }\n const contactPoint = TmpVectors.Vector3[0];\n contactPoint.copyFrom(ray.direction);\n contactPoint.normalize();\n contactPoint.scaleInPlace(distance);\n contactPoint.addInPlace(ray.origin);\n const contactPointU = (contactPoint.x - min.x) / (max.x - min.x);\n const contactPointV = 1.0 - (contactPoint.y - min.y) / (max.y - min.y);\n const u = (sprite._xOffset * textureSize.width + contactPointU * sprite._xSize) | 0;\n const v = (sprite._yOffset * textureSize.height + contactPointV * sprite._ySize) | 0;\n const alpha = this._textureContent[(u + v * textureSize.width) * 4 + 3];\n return alpha > 0.5;\n }\n /**\n * Intersects the sprites with a ray\n * @param ray defines the ray to intersect with\n * @param camera defines the current active camera\n * @param predicate defines a predicate used to select candidate sprites\n * @param fastCheck defines if a fast check only must be done (the first potential sprite is will be used and not the closer)\n * @returns null if no hit or a PickingInfo\n */\n intersects(ray, camera, predicate, fastCheck) {\n const count = Math.min(this.capacity, this.sprites.length);\n const min = Vector3.Zero();\n const max = Vector3.Zero();\n let distance = Number.MAX_VALUE;\n let currentSprite = null;\n const pickedPoint = TmpVectors.Vector3[0];\n const cameraSpacePosition = TmpVectors.Vector3[1];\n const cameraView = camera.getViewMatrix();\n let activeRay = ray;\n let pickedRay = ray;\n for (let index = 0; index < count; index++) {\n const sprite = this.sprites[index];\n if (!sprite) {\n continue;\n }\n if (predicate) {\n if (!predicate(sprite)) {\n continue;\n }\n }\n else if (!sprite.isPickable) {\n continue;\n }\n Vector3.TransformCoordinatesToRef(sprite.position, cameraView, cameraSpacePosition);\n if (sprite.angle) {\n // Create a rotation matrix to rotate the ray to the sprite's rotation\n Matrix.TranslationToRef(-cameraSpacePosition.x, -cameraSpacePosition.y, 0, TmpVectors.Matrix[1]);\n Matrix.TranslationToRef(cameraSpacePosition.x, cameraSpacePosition.y, 0, TmpVectors.Matrix[2]);\n Matrix.RotationZToRef(-sprite.angle, TmpVectors.Matrix[3]);\n // inv translation x rotation x translation\n TmpVectors.Matrix[1].multiplyToRef(TmpVectors.Matrix[3], TmpVectors.Matrix[4]);\n TmpVectors.Matrix[4].multiplyToRef(TmpVectors.Matrix[2], TmpVectors.Matrix[0]);\n activeRay = ray.clone();\n Vector3.TransformCoordinatesToRef(ray.origin, TmpVectors.Matrix[0], activeRay.origin);\n Vector3.TransformNormalToRef(ray.direction, TmpVectors.Matrix[0], activeRay.direction);\n }\n else {\n activeRay = ray;\n }\n min.copyFromFloats(cameraSpacePosition.x - sprite.width / 2, cameraSpacePosition.y - sprite.height / 2, cameraSpacePosition.z);\n max.copyFromFloats(cameraSpacePosition.x + sprite.width / 2, cameraSpacePosition.y + sprite.height / 2, cameraSpacePosition.z);\n if (activeRay.intersectsBoxMinMax(min, max)) {\n const currentDistance = Vector3.Distance(cameraSpacePosition, activeRay.origin);\n if (distance > currentDistance) {\n if (!this._checkTextureAlpha(sprite, activeRay, currentDistance, min, max)) {\n continue;\n }\n pickedRay = activeRay;\n distance = currentDistance;\n currentSprite = sprite;\n if (fastCheck) {\n break;\n }\n }\n }\n }\n if (currentSprite) {\n const result = new PickingInfo();\n cameraView.invertToRef(TmpVectors.Matrix[0]);\n result.hit = true;\n result.pickedSprite = currentSprite;\n result.distance = distance;\n // Get picked point\n const direction = TmpVectors.Vector3[2];\n direction.copyFrom(pickedRay.direction);\n direction.normalize();\n direction.scaleInPlace(distance);\n pickedRay.origin.addToRef(direction, pickedPoint);\n result.pickedPoint = Vector3.TransformCoordinates(pickedPoint, TmpVectors.Matrix[0]);\n return result;\n }\n return null;\n }\n /**\n * Intersects the sprites with a ray\n * @param ray defines the ray to intersect with\n * @param camera defines the current active camera\n * @param predicate defines a predicate used to select candidate sprites\n * @returns null if no hit or a PickingInfo array\n */\n multiIntersects(ray, camera, predicate) {\n const count = Math.min(this.capacity, this.sprites.length);\n const min = Vector3.Zero();\n const max = Vector3.Zero();\n let distance;\n const results = [];\n const pickedPoint = TmpVectors.Vector3[0].copyFromFloats(0, 0, 0);\n const cameraSpacePosition = TmpVectors.Vector3[1].copyFromFloats(0, 0, 0);\n const cameraView = camera.getViewMatrix();\n for (let index = 0; index < count; index++) {\n const sprite = this.sprites[index];\n if (!sprite) {\n continue;\n }\n if (predicate) {\n if (!predicate(sprite)) {\n continue;\n }\n }\n else if (!sprite.isPickable) {\n continue;\n }\n Vector3.TransformCoordinatesToRef(sprite.position, cameraView, cameraSpacePosition);\n min.copyFromFloats(cameraSpacePosition.x - sprite.width / 2, cameraSpacePosition.y - sprite.height / 2, cameraSpacePosition.z);\n max.copyFromFloats(cameraSpacePosition.x + sprite.width / 2, cameraSpacePosition.y + sprite.height / 2, cameraSpacePosition.z);\n if (ray.intersectsBoxMinMax(min, max)) {\n distance = Vector3.Distance(cameraSpacePosition, ray.origin);\n if (!this._checkTextureAlpha(sprite, ray, distance, min, max)) {\n continue;\n }\n const result = new PickingInfo();\n results.push(result);\n cameraView.invertToRef(TmpVectors.Matrix[0]);\n result.hit = true;\n result.pickedSprite = sprite;\n result.distance = distance;\n // Get picked point\n const direction = TmpVectors.Vector3[2];\n direction.copyFrom(ray.direction);\n direction.normalize();\n direction.scaleInPlace(distance);\n ray.origin.addToRef(direction, pickedPoint);\n result.pickedPoint = Vector3.TransformCoordinates(pickedPoint, TmpVectors.Matrix[0]);\n }\n }\n return results;\n }\n /**\n * Render all child sprites\n */\n render() {\n // Check\n if (this._fromPacked && (!this._packedAndReady || !this._spriteMap || !this._cellData)) {\n return;\n }\n const engine = this._scene.getEngine();\n const deltaTime = engine.getDeltaTime();\n if (this._packedAndReady) {\n this._spriteRenderer.render(this.sprites, deltaTime, this._scene.getViewMatrix(), this._scene.getProjectionMatrix(), this._customUpdate);\n }\n else {\n this._spriteRenderer.render(this.sprites, deltaTime, this._scene.getViewMatrix(), this._scene.getProjectionMatrix());\n }\n }\n /**\n * Rebuilds the manager (after a context lost, for eg)\n */\n rebuild() {\n this._spriteRenderer?.rebuild();\n }\n /**\n * Release associated resources\n */\n dispose() {\n if (this._spriteRenderer) {\n this._spriteRenderer.dispose();\n this._spriteRenderer = null;\n }\n this._textureContent = null;\n // Remove from scene\n if (this._scene.spriteManagers) {\n const index = this._scene.spriteManagers.indexOf(this);\n this._scene.spriteManagers.splice(index, 1);\n }\n // Callback\n this.onDisposeObservable.notifyObservers(this);\n this.onDisposeObservable.clear();\n this.metadata = null;\n }\n /**\n * Serializes the sprite manager to a JSON object\n * @param serializeTexture defines if the texture must be serialized as well\n * @returns the JSON object\n */\n serialize(serializeTexture = false) {\n const serializationObject = {};\n serializationObject.name = this.name;\n serializationObject.capacity = this.capacity;\n serializationObject.cellWidth = this.cellWidth;\n serializationObject.cellHeight = this.cellHeight;\n serializationObject.fogEnabled = this.fogEnabled;\n serializationObject.blendMode = this.blendMode;\n serializationObject.disableDepthWrite = this.disableDepthWrite;\n serializationObject.pixelPerfect = this.pixelPerfect;\n serializationObject.useLogarithmicDepth = this.useLogarithmicDepth;\n if (this.texture) {\n if (serializeTexture) {\n serializationObject.texture = this.texture.serialize();\n }\n else {\n serializationObject.textureUrl = this.texture.name;\n serializationObject.invertY = this.texture._invertY;\n }\n }\n serializationObject.sprites = [];\n for (const sprite of this.sprites) {\n serializationObject.sprites.push(sprite.serialize());\n }\n serializationObject.metadata = this.metadata;\n return serializationObject;\n }\n /**\n * Parses a JSON object to create a new sprite manager.\n * @param parsedManager The JSON object to parse\n * @param scene The scene to create the sprite manager\n * @param rootUrl The root url to use to load external dependencies like texture\n * @returns the new sprite manager\n */\n static Parse(parsedManager, scene, rootUrl) {\n const manager = new SpriteManager(parsedManager.name, \"\", parsedManager.capacity, {\n width: parsedManager.cellWidth,\n height: parsedManager.cellHeight,\n }, scene);\n if (parsedManager.fogEnabled !== undefined) {\n manager.fogEnabled = parsedManager.fogEnabled;\n }\n if (parsedManager.blendMode !== undefined) {\n manager.blendMode = parsedManager.blendMode;\n }\n if (parsedManager.disableDepthWrite !== undefined) {\n manager.disableDepthWrite = parsedManager.disableDepthWrite;\n }\n if (parsedManager.pixelPerfect !== undefined) {\n manager.pixelPerfect = parsedManager.pixelPerfect;\n }\n if (parsedManager.useLogarithmicDepth !== undefined) {\n manager.useLogarithmicDepth = parsedManager.useLogarithmicDepth;\n }\n if (parsedManager.metadata !== undefined) {\n manager.metadata = parsedManager.metadata;\n }\n if (parsedManager.texture) {\n manager.texture = Texture.Parse(parsedManager.texture, scene, rootUrl);\n }\n else if (parsedManager.textureName) {\n manager.texture = new Texture(rootUrl + parsedManager.textureUrl, scene, false, parsedManager.invertY !== undefined ? parsedManager.invertY : true);\n }\n for (const parsedSprite of parsedManager.sprites) {\n Sprite.Parse(parsedSprite, manager);\n }\n return manager;\n }\n /**\n * Creates a sprite manager from a snippet saved in a remote file\n * @param name defines the name of the sprite manager to create (can be null or empty to use the one from the json data)\n * @param url defines the url to load from\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\n static ParseFromFileAsync(name, url, scene, rootUrl = \"\") {\n return new Promise((resolve, reject) => {\n const request = new WebRequest();\n request.addEventListener(\"readystatechange\", () => {\n if (request.readyState == 4) {\n if (request.status == 200) {\n const serializationObject = JSON.parse(request.responseText);\n const output = SpriteManager.Parse(serializationObject, scene || EngineStore.LastCreatedScene, rootUrl);\n if (name) {\n output.name = name;\n }\n resolve(output);\n }\n else {\n reject(\"Unable to load the sprite manager\");\n }\n }\n });\n request.open(\"GET\", url);\n request.send();\n });\n }\n /**\n * Creates a sprite manager from a snippet saved by the sprite editor\n * @param snippetId defines the snippet to load (can be set to _BLANK to create a default one)\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\n static ParseFromSnippetAsync(snippetId, scene, rootUrl = \"\") {\n if (snippetId === \"_BLANK\") {\n return Promise.resolve(new SpriteManager(\"Default sprite manager\", \"//playground.babylonjs.com/textures/player.png\", 500, 64, scene));\n }\n return new Promise((resolve, reject) => {\n const request = new WebRequest();\n request.addEventListener(\"readystatechange\", () => {\n if (request.readyState == 4) {\n if (request.status == 200) {\n const snippet = JSON.parse(JSON.parse(request.responseText).jsonPayload);\n const serializationObject = JSON.parse(snippet.spriteManager);\n const output = SpriteManager.Parse(serializationObject, scene || EngineStore.LastCreatedScene, rootUrl);\n output.snippetId = snippetId;\n resolve(output);\n }\n else {\n reject(\"Unable to load the snippet \" + snippetId);\n }\n }\n });\n request.open(\"GET\", this.SnippetUrl + \"/\" + snippetId.replace(/#/g, \"/\"));\n request.send();\n });\n }\n}\n/** Define the Url to load snippets */\nSpriteManager.SnippetUrl = `https://snippet.babylonjs.com`;\n/**\n * Creates a sprite manager from a snippet saved by the sprite editor\n * @deprecated Please use ParseFromSnippetAsync instead\n * @param snippetId defines the snippet to load (can be set to _BLANK to create a default one)\n * @param scene defines the hosting scene\n * @param rootUrl defines the root URL to use to load textures and relative dependencies\n * @returns a promise that will resolve to the new sprite manager\n */\nSpriteManager.CreateFromSnippetAsync = 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