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- {"ast":null,"code":"import { BackEase, EasingFunction } from \"../../Animations/easing.js\";\nimport { Animation } from \"../../Animations/animation.js\";\n/**\n * Add a bouncing effect to an ArcRotateCamera when reaching a specified minimum and maximum radius\n * @see https://doc.babylonjs.com/features/featuresDeepDive/behaviors/cameraBehaviors#bouncing-behavior\n */\nexport class BouncingBehavior {\n constructor() {\n /**\n * The duration of the animation, in milliseconds\n */\n this.transitionDuration = 450;\n /**\n * Length of the distance animated by the transition when lower radius is reached\n */\n this.lowerRadiusTransitionRange = 2;\n /**\n * Length of the distance animated by the transition when upper radius is reached\n */\n this.upperRadiusTransitionRange = -2;\n this._autoTransitionRange = false;\n // Animations\n this._radiusIsAnimating = false;\n this._radiusBounceTransition = null;\n this._animatables = new Array();\n }\n /**\n * Gets the name of the behavior.\n */\n get name() {\n return \"Bouncing\";\n }\n /**\n * Gets a value indicating if the lowerRadiusTransitionRange and upperRadiusTransitionRange are defined automatically\n */\n get autoTransitionRange() {\n return this._autoTransitionRange;\n }\n /**\n * Sets a value indicating if the lowerRadiusTransitionRange and upperRadiusTransitionRange are defined automatically\n * Transition ranges will be set to 5% of the bounding box diagonal in world space\n */\n set autoTransitionRange(value) {\n if (this._autoTransitionRange === value) {\n return;\n }\n this._autoTransitionRange = value;\n const camera = this._attachedCamera;\n if (!camera) {\n return;\n }\n if (value) {\n this._onMeshTargetChangedObserver = camera.onMeshTargetChangedObservable.add(transformNode => {\n if (!transformNode) {\n return;\n }\n transformNode.computeWorldMatrix(true);\n if (transformNode.getBoundingInfo) {\n const diagonal = transformNode.getBoundingInfo().diagonalLength;\n this.lowerRadiusTransitionRange = diagonal * 0.05;\n this.upperRadiusTransitionRange = diagonal * 0.05;\n }\n });\n } else if (this._onMeshTargetChangedObserver) {\n camera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);\n }\n }\n /**\n * Initializes the behavior.\n */\n init() {\n // Do nothing\n }\n /**\n * Attaches the behavior to its arc rotate camera.\n * @param camera Defines the camera to attach the behavior to\n */\n attach(camera) {\n this._attachedCamera = camera;\n this._onAfterCheckInputsObserver = camera.onAfterCheckInputsObservable.add(() => {\n if (!this._attachedCamera) {\n return;\n }\n // Add the bounce animation to the lower radius limit\n if (this._isRadiusAtLimit(this._attachedCamera.lowerRadiusLimit)) {\n this._applyBoundRadiusAnimation(this.lowerRadiusTransitionRange);\n }\n // Add the bounce animation to the upper radius limit\n if (this._isRadiusAtLimit(this._attachedCamera.upperRadiusLimit)) {\n this._applyBoundRadiusAnimation(this.upperRadiusTransitionRange);\n }\n });\n }\n /**\n * Detaches the behavior from its current arc rotate camera.\n */\n detach() {\n if (!this._attachedCamera) {\n return;\n }\n if (this._onAfterCheckInputsObserver) {\n this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);\n }\n if (this._onMeshTargetChangedObserver) {\n this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);\n }\n this._attachedCamera = null;\n }\n /**\n * Checks if the camera radius is at the specified limit. Takes into account animation locks.\n * @param radiusLimit The limit to check against.\n * @returns Bool to indicate if at limit.\n */\n _isRadiusAtLimit(radiusLimit) {\n if (!this._attachedCamera) {\n return false;\n }\n if (this._attachedCamera.radius === radiusLimit && !this._radiusIsAnimating) {\n return true;\n }\n return false;\n }\n /**\n * Applies an animation to the radius of the camera, extending by the radiusDelta.\n * @param radiusDelta The delta by which to animate to. Can be negative.\n */\n _applyBoundRadiusAnimation(radiusDelta) {\n if (!this._attachedCamera) {\n return;\n }\n if (!this._radiusBounceTransition) {\n BouncingBehavior.EasingFunction.setEasingMode(BouncingBehavior.EasingMode);\n this._radiusBounceTransition = Animation.CreateAnimation(\"radius\", Animation.ANIMATIONTYPE_FLOAT, 60, BouncingBehavior.EasingFunction);\n }\n // Prevent zoom until bounce has completed\n this._cachedWheelPrecision = this._attachedCamera.wheelPrecision;\n this._attachedCamera.wheelPrecision = Infinity;\n this._attachedCamera.inertialRadiusOffset = 0;\n // Animate to the radius limit\n this.stopAllAnimations();\n this._radiusIsAnimating = true;\n const animatable = Animation.TransitionTo(\"radius\", this._attachedCamera.radius + radiusDelta, this._attachedCamera, this._attachedCamera.getScene(), 60, this._radiusBounceTransition, this.transitionDuration, () => this._clearAnimationLocks());\n if (animatable) {\n this._animatables.push(animatable);\n }\n }\n /**\n * Removes all animation locks. Allows new animations to be added to any of the camera properties.\n */\n _clearAnimationLocks() {\n this._radiusIsAnimating = false;\n if (this._attachedCamera) {\n this._attachedCamera.wheelPrecision = this._cachedWheelPrecision;\n }\n }\n /**\n * Stops and removes all animations that have been applied to the camera\n */\n stopAllAnimations() {\n if (this._attachedCamera) {\n this._attachedCamera.animations = [];\n }\n while (this._animatables.length) {\n this._animatables[0].onAnimationEnd = null;\n this._animatables[0].stop();\n this._animatables.shift();\n }\n }\n}\n/**\n * The easing function used by animations\n */\nBouncingBehavior.EasingFunction = new BackEase(0.3);\n/**\n * The easing mode used by animations\n */\nBouncingBehavior.EasingMode = EasingFunction.EASINGMODE_EASEOUT;","map":{"version":3,"names":["BackEase","EasingFunction","Animation","BouncingBehavior","constructor","transitionDuration","lowerRadiusTransitionRange","upperRadiusTransitionRange","_autoTransitionRange","_radiusIsAnimating","_radiusBounceTransition","_animatables","Array","name","autoTransitionRange","value","camera","_attachedCamera","_onMeshTargetChangedObserver","onMeshTargetChangedObservable","add","transformNode","computeWorldMatrix","getBoundingInfo","diagonal","diagonalLength","remove","init","attach","_onAfterCheckInputsObserver","onAfterCheckInputsObservable","_isRadiusAtLimit","lowerRadiusLimit","_applyBoundRadiusAnimation","upperRadiusLimit","detach","radiusLimit","radius","radiusDelta","setEasingMode","EasingMode","CreateAnimation","ANIMATIONTYPE_FLOAT","_cachedWheelPrecision","wheelPrecision","Infinity","inertialRadiusOffset","stopAllAnimations","animatable","TransitionTo","getScene","_clearAnimationLocks","push","animations","length","onAnimationEnd","stop","shift","EASINGMODE_EASEOUT"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Behaviors/Cameras/bouncingBehavior.js"],"sourcesContent":["import { BackEase, EasingFunction } from \"../../Animations/easing.js\";\nimport { Animation } from \"../../Animations/animation.js\";\n/**\n * Add a bouncing effect to an ArcRotateCamera when reaching a specified minimum and maximum radius\n * @see https://doc.babylonjs.com/features/featuresDeepDive/behaviors/cameraBehaviors#bouncing-behavior\n */\nexport class BouncingBehavior {\n constructor() {\n /**\n * The duration of the animation, in milliseconds\n */\n this.transitionDuration = 450;\n /**\n * Length of the distance animated by the transition when lower radius is reached\n */\n this.lowerRadiusTransitionRange = 2;\n /**\n * Length of the distance animated by the transition when upper radius is reached\n */\n this.upperRadiusTransitionRange = -2;\n this._autoTransitionRange = false;\n // Animations\n this._radiusIsAnimating = false;\n this._radiusBounceTransition = null;\n this._animatables = new Array();\n }\n /**\n * Gets the name of the behavior.\n */\n get name() {\n return \"Bouncing\";\n }\n /**\n * Gets a value indicating if the lowerRadiusTransitionRange and upperRadiusTransitionRange are defined automatically\n */\n get autoTransitionRange() {\n return this._autoTransitionRange;\n }\n /**\n * Sets a value indicating if the lowerRadiusTransitionRange and upperRadiusTransitionRange are defined automatically\n * Transition ranges will be set to 5% of the bounding box diagonal in world space\n */\n set autoTransitionRange(value) {\n if (this._autoTransitionRange === value) {\n return;\n }\n this._autoTransitionRange = value;\n const camera = this._attachedCamera;\n if (!camera) {\n return;\n }\n if (value) {\n this._onMeshTargetChangedObserver = camera.onMeshTargetChangedObservable.add((transformNode) => {\n if (!transformNode) {\n return;\n }\n transformNode.computeWorldMatrix(true);\n if (transformNode.getBoundingInfo) {\n const diagonal = transformNode.getBoundingInfo().diagonalLength;\n this.lowerRadiusTransitionRange = diagonal * 0.05;\n this.upperRadiusTransitionRange = diagonal * 0.05;\n }\n });\n }\n else if (this._onMeshTargetChangedObserver) {\n camera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);\n }\n }\n /**\n * Initializes the behavior.\n */\n init() {\n // Do nothing\n }\n /**\n * Attaches the behavior to its arc rotate camera.\n * @param camera Defines the camera to attach the behavior to\n */\n attach(camera) {\n this._attachedCamera = camera;\n this._onAfterCheckInputsObserver = camera.onAfterCheckInputsObservable.add(() => {\n if (!this._attachedCamera) {\n return;\n }\n // Add the bounce animation to the lower radius limit\n if (this._isRadiusAtLimit(this._attachedCamera.lowerRadiusLimit)) {\n this._applyBoundRadiusAnimation(this.lowerRadiusTransitionRange);\n }\n // Add the bounce animation to the upper radius limit\n if (this._isRadiusAtLimit(this._attachedCamera.upperRadiusLimit)) {\n this._applyBoundRadiusAnimation(this.upperRadiusTransitionRange);\n }\n });\n }\n /**\n * Detaches the behavior from its current arc rotate camera.\n */\n detach() {\n if (!this._attachedCamera) {\n return;\n }\n if (this._onAfterCheckInputsObserver) {\n this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);\n }\n if (this._onMeshTargetChangedObserver) {\n this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);\n }\n this._attachedCamera = null;\n }\n /**\n * Checks if the camera radius is at the specified limit. Takes into account animation locks.\n * @param radiusLimit The limit to check against.\n * @returns Bool to indicate if at limit.\n */\n _isRadiusAtLimit(radiusLimit) {\n if (!this._attachedCamera) {\n return false;\n }\n if (this._attachedCamera.radius === radiusLimit && !this._radiusIsAnimating) {\n return true;\n }\n return false;\n }\n /**\n * Applies an animation to the radius of the camera, extending by the radiusDelta.\n * @param radiusDelta The delta by which to animate to. Can be negative.\n */\n _applyBoundRadiusAnimation(radiusDelta) {\n if (!this._attachedCamera) {\n return;\n }\n if (!this._radiusBounceTransition) {\n BouncingBehavior.EasingFunction.setEasingMode(BouncingBehavior.EasingMode);\n this._radiusBounceTransition = Animation.CreateAnimation(\"radius\", Animation.ANIMATIONTYPE_FLOAT, 60, BouncingBehavior.EasingFunction);\n }\n // Prevent zoom until bounce has completed\n this._cachedWheelPrecision = this._attachedCamera.wheelPrecision;\n this._attachedCamera.wheelPrecision = Infinity;\n this._attachedCamera.inertialRadiusOffset = 0;\n // Animate to the radius limit\n this.stopAllAnimations();\n this._radiusIsAnimating = true;\n const animatable = Animation.TransitionTo(\"radius\", this._attachedCamera.radius + radiusDelta, this._attachedCamera, this._attachedCamera.getScene(), 60, this._radiusBounceTransition, this.transitionDuration, () => this._clearAnimationLocks());\n if (animatable) {\n this._animatables.push(animatable);\n }\n }\n /**\n * Removes all animation locks. Allows new animations to be added to any of the camera properties.\n */\n _clearAnimationLocks() {\n this._radiusIsAnimating = false;\n if (this._attachedCamera) {\n this._attachedCamera.wheelPrecision = this._cachedWheelPrecision;\n }\n }\n /**\n * Stops and removes all animations that have been applied to the camera\n */\n stopAllAnimations() {\n if (this._attachedCamera) {\n this._attachedCamera.animations = [];\n }\n while (this._animatables.length) {\n this._animatables[0].onAnimationEnd = null;\n this._animatables[0].stop();\n this._animatables.shift();\n }\n }\n}\n/**\n * The easing function used by animations\n */\nBouncingBehavior.EasingFunction = new BackEase(0.3);\n/**\n * The easing mode used by animations\n */\nBouncingBehavior.EasingMode = EasingFunction.EASINGMODE_EASEOUT;\n"],"mappings":"AAAA,SAASA,QAAQ,EAAEC,cAAc,QAAQ,4BAA4B;AACrE,SAASC,SAAS,QAAQ,+BAA+B;AACzD;AACA;AACA;AACA;AACA,OAAO,MAAMC,gBAAgB,CAAC;EAC1BC,WAAWA,CAAA,EAAG;IACV;AACR;AACA;IACQ,IAAI,CAACC,kBAAkB,GAAG,GAAG;IAC7B;AACR;AACA;IACQ,IAAI,CAACC,0BAA0B,GAAG,CAAC;IACnC;AACR;AACA;IACQ,IAAI,CAACC,0BAA0B,GAAG,CAAC,CAAC;IACpC,IAAI,CAACC,oBAAoB,GAAG,KAAK;IACjC;IACA,IAAI,CAACC,kBAAkB,GAAG,KAAK;IAC/B,IAAI,CAACC,uBAAuB,GAAG,IAAI;IACnC,IAAI,CAACC,YAAY,GAAG,IAAIC,KAAK,CAAC,CAAC;EACnC;EACA;AACJ;AACA;EACI,IAAIC,IAAIA,CAAA,EAAG;IACP,OAAO,UAAU;EACrB;EACA;AACJ;AACA;EACI,IAAIC,mBAAmBA,CAAA,EAAG;IACtB,OAAO,IAAI,CAACN,oBAAoB;EACpC;EACA;AACJ;AACA;AACA;EACI,IAAIM,mBAAmBA,CAACC,KAAK,EAAE;IAC3B,IAAI,IAAI,CAACP,oBAAoB,KAAKO,KAAK,EAAE;MACrC;IACJ;IACA,IAAI,CAACP,oBAAoB,GAAGO,KAAK;IACjC,MAAMC,MAAM,GAAG,IAAI,CAACC,eAAe;IACnC,IAAI,CAACD,MAAM,EAAE;MACT;IACJ;IACA,IAAID,KAAK,EAAE;MACP,IAAI,CAACG,4BAA4B,GAAGF,MAAM,CAACG,6BAA6B,CAACC,GAAG,CAAEC,aAAa,IAAK;QAC5F,IAAI,CAACA,aAAa,EAAE;UAChB;QACJ;QACAA,aAAa,CAACC,kBAAkB,CAAC,IAAI,CAAC;QACtC,IAAID,aAAa,CAACE,eAAe,EAAE;UAC/B,MAAMC,QAAQ,GAAGH,aAAa,CAACE,eAAe,CAAC,CAAC,CAACE,cAAc;UAC/D,IAAI,CAACnB,0BAA0B,GAAGkB,QAAQ,GAAG,IAAI;UACjD,IAAI,CAACjB,0BAA0B,GAAGiB,QAAQ,GAAG,IAAI;QACrD;MACJ,CAAC,CAAC;IACN,CAAC,MACI,IAAI,IAAI,CAACN,4BAA4B,EAAE;MACxCF,MAAM,CAACG,6BAA6B,CAACO,MAAM,CAAC,IAAI,CAACR,4BAA4B,CAAC;IAClF;EACJ;EACA;AACJ;AACA;EACIS,IAAIA,CAAA,EAAG;IACH;EAAA;EAEJ;AACJ;AACA;AACA;EACIC,MAAMA,CAACZ,MAAM,EAAE;IACX,IAAI,CAACC,eAAe,GAAGD,MAAM;IAC7B,IAAI,CAACa,2BAA2B,GAAGb,MAAM,CAACc,4BAA4B,CAACV,GAAG,CAAC,MAAM;MAC7E,IAAI,CAAC,IAAI,CAACH,eAAe,EAAE;QACvB;MACJ;MACA;MACA,IAAI,IAAI,CAACc,gBAAgB,CAAC,IAAI,CAACd,eAAe,CAACe,gBAAgB,CAAC,EAAE;QAC9D,IAAI,CAACC,0BAA0B,CAAC,IAAI,CAAC3B,0BAA0B,CAAC;MACpE;MACA;MACA,IAAI,IAAI,CAACyB,gBAAgB,CAAC,IAAI,CAACd,eAAe,CAACiB,gBAAgB,CAAC,EAAE;QAC9D,IAAI,CAACD,0BAA0B,CAAC,IAAI,CAAC1B,0BAA0B,CAAC;MACpE;IACJ,CAAC,CAAC;EACN;EACA;AACJ;AACA;EACI4B,MAAMA,CAAA,EAAG;IACL,IAAI,CAAC,IAAI,CAAClB,eAAe,EAAE;MACvB;IACJ;IACA,IAAI,IAAI,CAACY,2BAA2B,EAAE;MAClC,IAAI,CAACZ,eAAe,CAACa,4BAA4B,CAACJ,MAAM,CAAC,IAAI,CAACG,2BAA2B,CAAC;IAC9F;IACA,IAAI,IAAI,CAACX,4BAA4B,EAAE;MACnC,IAAI,CAACD,eAAe,CAACE,6BAA6B,CAACO,MAAM,CAAC,IAAI,CAACR,4BAA4B,CAAC;IAChG;IACA,IAAI,CAACD,eAAe,GAAG,IAAI;EAC/B;EACA;AACJ;AACA;AACA;AACA;EACIc,gBAAgBA,CAACK,WAAW,EAAE;IAC1B,IAAI,CAAC,IAAI,CAACnB,eAAe,EAAE;MACvB,OAAO,KAAK;IAChB;IACA,IAAI,IAAI,CAACA,eAAe,CAACoB,MAAM,KAAKD,WAAW,IAAI,CAAC,IAAI,CAAC3B,kBAAkB,EAAE;MACzE,OAAO,IAAI;IACf;IACA,OAAO,KAAK;EAChB;EACA;AACJ;AACA;AACA;EACIwB,0BAA0BA,CAACK,WAAW,EAAE;IACpC,IAAI,CAAC,IAAI,CAACrB,eAAe,EAAE;MACvB;IACJ;IACA,IAAI,CAAC,IAAI,CAACP,uBAAuB,EAAE;MAC/BP,gBAAgB,CAACF,cAAc,CAACsC,aAAa,CAACpC,gBAAgB,CAACqC,UAAU,CAAC;MAC1E,IAAI,CAAC9B,uBAAuB,GAAGR,SAAS,CAACuC,eAAe,CAAC,QAAQ,EAAEvC,SAAS,CAACwC,mBAAmB,EAAE,EAAE,EAAEvC,gBAAgB,CAACF,cAAc,CAAC;IAC1I;IACA;IACA,IAAI,CAAC0C,qBAAqB,GAAG,IAAI,CAAC1B,eAAe,CAAC2B,cAAc;IAChE,IAAI,CAAC3B,eAAe,CAAC2B,cAAc,GAAGC,QAAQ;IAC9C,IAAI,CAAC5B,eAAe,CAAC6B,oBAAoB,GAAG,CAAC;IAC7C;IACA,IAAI,CAACC,iBAAiB,CAAC,CAAC;IACxB,IAAI,CAACtC,kBAAkB,GAAG,IAAI;IAC9B,MAAMuC,UAAU,GAAG9C,SAAS,CAAC+C,YAAY,CAAC,QAAQ,EAAE,IAAI,CAAChC,eAAe,CAACoB,MAAM,GAAGC,WAAW,EAAE,IAAI,CAACrB,eAAe,EAAE,IAAI,CAACA,eAAe,CAACiC,QAAQ,CAAC,CAAC,EAAE,EAAE,EAAE,IAAI,CAACxC,uBAAuB,EAAE,IAAI,CAACL,kBAAkB,EAAE,MAAM,IAAI,CAAC8C,oBAAoB,CAAC,CAAC,CAAC;IACnP,IAAIH,UAAU,EAAE;MACZ,IAAI,CAACrC,YAAY,CAACyC,IAAI,CAACJ,UAAU,CAAC;IACtC;EACJ;EACA;AACJ;AACA;EACIG,oBAAoBA,CAAA,EAAG;IACnB,IAAI,CAAC1C,kBAAkB,GAAG,KAAK;IAC/B,IAAI,IAAI,CAACQ,eAAe,EAAE;MACtB,IAAI,CAACA,eAAe,CAAC2B,cAAc,GAAG,IAAI,CAACD,qBAAqB;IACpE;EACJ;EACA;AACJ;AACA;EACII,iBAAiBA,CAAA,EAAG;IAChB,IAAI,IAAI,CAAC9B,eAAe,EAAE;MACtB,IAAI,CAACA,eAAe,CAACoC,UAAU,GAAG,EAAE;IACxC;IACA,OAAO,IAAI,CAAC1C,YAAY,CAAC2C,MAAM,EAAE;MAC7B,IAAI,CAAC3C,YAAY,CAAC,CAAC,CAAC,CAAC4C,cAAc,GAAG,IAAI;MAC1C,IAAI,CAAC5C,YAAY,CAAC,CAAC,CAAC,CAAC6C,IAAI,CAAC,CAAC;MAC3B,IAAI,CAAC7C,YAAY,CAAC8C,KAAK,CAAC,CAAC;IAC7B;EACJ;AACJ;AACA;AACA;AACA;AACAtD,gBAAgB,CAACF,cAAc,GAAG,IAAID,QAAQ,CAAC,GAAG,CAAC;AACnD;AACA;AACA;AACAG,gBAAgB,CAACqC,UAAU,GAAGvC,cAAc,CAACyD,kBAAkB","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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