Merge pull request #4997 from TrevorDev/doNotCachePivotMultipleTimes

do not cache pivot multiple times, fix copy paste error

dist/preview release/what's new.md

@@ -1,222 +1,223 @@
-# 3.3.0
-
-## Major updates
-
-- GUI
-  - New GUI 3D controls toolset. [Complete doc + demos](http://doc.babylonjs.com/how_to/gui3d) ([Deltakosh](https://github.com/deltakosh))
-  - New GUI control: [Grid](http://doc.babylonjs.com/how_to/gui#grid) ([Deltakosh](https://github.com/deltakosh))
-  - New GUI control: [InputPassword](https://doc.babylonjs.com/how_to/gui#inputpassword) ([theom](https://github.com/theom))
-- Gizmo Support ([TrevorDev](https://github.com/TrevorDev))
-  - Gizmo and GizmoManager classes used to manipulate meshes in a scene. Gizmo types include: position, scale, rotation and bounding box. [Doc](http://doc.babylonjs.com/how_to/gizmo) ([TrevorDev](https://github.com/TrevorDev))
-  - New behaviors: PointerDragBehavior, SixDofDragBehavior and MultiPointerScaleBehavior to enable smooth drag and drop/scaling with mouse or 6dof controller on a mesh. [Doc](http://doc.babylonjs.com/how_to/meshbehavior) ([TrevorDev](https://github.com/TrevorDev))
-  - Added attachToBoxBehavior to attach UI to a bounding box ([TrevorDev](https://github.com/TrevorDev))
-  - Gizmo manager's internal gizmos are now public ([TrevorDev](https://github.com/TrevorDev))
-  - Ability to customize meshes on gizmos ([TrevorDev](https://github.com/TrevorDev))
-  - Added ignoreChildren field to bounding box to save performance when using heavily nested meshes ([TrevorDev](https://github.com/TrevorDev))
-  - Add uniform scaling drag support to scale gizmo ([TrevorDev](https://github.com/TrevorDev))
-  - Support interacting with child elements ([TrevorDev](https://github.com/TrevorDev))
-- Particle system improvements ([Deltakosh](https://github.com/deltakosh))
-  - Added a ParticleHelper class to create some pre-configured particle systems in a one-liner method style. [Doc](https://doc.babylonjs.com/How_To/ParticleHelper) ([Deltakosh](https://github.com/deltakosh)) / ([DevChris](https://github.com/yovanoc))
-  - Improved CPU particles rendering performance (up to x2 on low end devices)
-  - Added support for `isBillboardBased`. [Doc](http://doc.babylonjs.com/babylon101/particles#alignment)
-  - Added support for billboard mode. [Doc](https://doc.babylonjs.com/babylon101/particles#alignment)
-  - Added support for `minScaleX`, `minScaleY`, `maxScaleX`, `maxScaleY`. [Doc](https://doc.babylonjs.com/babylon101/particles#size)
-  - Added support for `radiusRange` for sphere emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#sphere-emitter)
-  - Added support for `radiusRange` and `heightRange` for cone emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#cone-emitter)
-  - Added new point emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#point-emitter)
-  - Added new hemispheric emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#hemispheric-emitter)
-  - Added support for `ParticleSystem.BLENDMODE_ADD` alpha mode. [Doc](https://doc.babylonjs.com/babylon101/particles#particle-blending)
-  - Added support for color gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#particle-colors)
-  - Added support for pre-warming. [Doc](https://doc.babylonjs.com/babylon101/particles#pre-warming)
-  - Added support for `minInitialRotation` and `maxInitialRotation`. [Doc](https://doc.babylonjs.com/babylon101/particles#rotation)
-  - Added support for size gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#size)
-  - Added support for life time gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#lifetime)
-  - Added support for angular speed gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#rotation)
-  - Added support for velocty gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#velocity-over-time)
-  - Added support for limit velocty gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#limit-velocity-over-time)
-  - Added support for noise textures. [Doc](http://doc.babylonjs.com/babylon101/particles#noise-texture)
-- Added SceneComponent to help decoupling Scene from its components. ([sebavan](http://www.github.com/sebavan))
-- Added [Environment Texture Tools](https://doc.babylonjs.com/how_to/physically_based_rendering#creating-a-compressed-environment-texture) to reduce the size of the usual .DDS file ([sebavan](http://www.github.com/sebavan))
-- Playground can now be used with TypeScript directly!. [Demo](https://www.babylonjs-playground.com/ts.html) ([Deltakosh](https://github.com/deltakosh), [NasimiAsl](https://github.com/NasimiAsl))
-- GUI and Inspector are now ES-Modules ([RaananW](https://github.com/RaananW))
-- Added support for noise procedural textures. [Doc](http://doc.babylonjs.com/how_to/how_to_use_procedural_textures#noise-procedural-texture) ([Deltakosh](https://github.com/deltakosh))
-- Added new `PhotoDome` object to display 360 photos. [Demo](https://www.babylonjs-playground.com/#14KRGG#0) ([SzeyinLee](https://github.com/SzeyinLee))
-- Added Video Recorder [Documentation](http://localhost:8080/How_To/Render_Scene_on_a_Video) ([sebavan](http://www.github.com/sebavan))
-
-## Updates
-
-- Updated TypeScript version to new major 3.0.1 ([christopherstock](https://github.com/christopherstock))
-- All NPM packages have `latest`and `preview` streams [#3055](https://github.com/BabylonJS/Babylon.js/issues/3055) ([RaananW](https://github.com/RaananW))
-- Added New Tools Tab in the inspector (env texture and screenshot tools so far) ([sebavan](http://www.github.com/sebavan))
-- Moved to gulp 4, updated dependencies to latest ([RaananW](https://github.com/RaananW))
-
-### GUI
-- Added dead key support and before key add observable to InputText. [Doc](https://doc.babylonjs.com/how_to/gui#using-onbeforekeyaddobservable-for-extended-keyboard-layouts-and-input-masks)([theom](https://github.com/theom))
-- Added `TextBlock.computeExpectedHeight`, added `TextWrapping.Ellipsis` as `TextBlock.wordWrapping` possible value ([adrientetar](https://github.com/adrientetar))
-- New vertical mode for sliders in 2D GUI. [Demo](https://www.babylonjs-playground.com/#U9AC0N#53) ([Saket Saurabh](https://github.com/ssaket))
-- Added `isEnabled` and `disabledColor` property to Gui Control ([barteq100](https://github.com/barteq100))
-
-### Core Engine
-
-- Added support for muyltiple clip planes. [Demo](https://www.babylonjs-playground.com/#Y6W087) ([Deltakosh](https://github.com/deltakosh))
-- Added new `MixMaterial` to the Materials Library allowing to mix up to 8 textures ([julien-moreau](https://github.com/julien-moreau))
-- Added new `BoundingInfo.scale()` function to let users control the size of the bounding info ([Deltakosh](https://github.com/deltakosh))
-- Added new `Animatable.waitAsync` function to use Promises with animations. Demo [Here](https://www.babylonjs-playground.com/#HZBCXR) ([Deltakosh](https://github.com/deltakosh))
-- Added the choice of [forming a closed loop](http://doc.babylonjs.com/how_to/how_to_use_curve3#catmull-rom-spline) to the catmull-rom-spline curve3 ([johnk](https://github.com/babylonjsguide))
-- Added support for specifying the center of rotation to textures ([bghgary](http://www.github.com/bghgary))
-- Added webVR support for Oculus Go ([TrevorDev](https://github.com/TrevorDev))
-- Added ability to not generate polynomials harmonics upon prefiltered texture creation ([sebavan](http://www.github.com/sebavan))
-- Added predicate function to customize the list of mesh included in the computation of bounding vectors in the ```getHierarchyBoundingVectors``` method ([sebavan](http://www.github.com/sebavan))
-- Added webVR constructor options: disable laser pointer toggle, teleportation floor meshes ([TrevorDev](https://github.com/TrevorDev))
-- Get a root mesh from an asset container, load a mesh from a file with a single string url ([TrevorDev](https://github.com/TrevorDev))
-- UtilityLayer class to render another scene as a layer on top of an existing scene ([TrevorDev](https://github.com/TrevorDev))
-- AnimationGroup has now onAnimationGroupEnd observable ([RaananW](https://github.com/RaananW))
-- New `serialize` and `Parse` functions to serialize and parse all procedural textures from the Procedural Textures Library ([julien-moreau](https://github.com/julien-moreau))
-- Added a new `mesh.ignoreNonUniformScaling` to turn off non uniform scaling compensation ([Deltakosh](https://github.com/deltakosh))
-- AssetsManager tasks will only run when their state is INIT. It is now possible to remove a task from the assets manager ([RaananW](https://github.com/RaananW))
-- Added sprite isVisible field ([TrevorDev](https://github.com/TrevorDev))
-- EnvironmentHelper will recreate ground and skybox meshes if force-disposed ([RaananW](https://github.com/RaananW))
-- Added viewport caching mechanism in engine ([sebavan](http://www.github.com/sebavan))
-- Added unpackFlipY caching mechanism in engine ([sebavan](http://www.github.com/sebavan))
-- Added rebind optimization of video texture ([sebavan](http://www.github.com/sebavan))
-- Fix Background Material effect caching ([sebavan](http://www.github.com/sebavan))
-- Prevent texture ```getSize``` to generate garbage collection ([sebavan](http://www.github.com/sebavan))
-- Prevent ```lodGenerationScale``` and ```lodGenerationOffset``` to force rebind ([sebavan](http://www.github.com/sebavan))
-- Added poster property on VideoTexture ([sebavan](http://www.github.com/sebavan))
-- Added ```onUserActionRequestedObservable``` to workaround and detect autoplay video policy restriction on VideoTexture ([sebavan](http://www.github.com/sebavan))
-- `Sound` now accepts `MediaStream` as source to enable easier WebAudio and WebRTC integrations ([menduz](https://github.com/menduz))
-- Vector x, y and z constructor parameters are now optional and default to 0 ([TrevorDev](https://github.com/TrevorDev))
-- Added and removed camera methods in the default pipeline ([TrevorDev](https://github.com/TrevorDev))
-- Added internal texture `format` support for RenderTargetCubeTexture ([PeapBoy](https://github.com/NicolasBuecher))
-- Added canvas toBlob polyfill in tools ([sebavan](http://www.github.com/sebavan))
-- Added `RawCubeTexture` class with RGBD and mipmap support ([bghgary](http://www.github.com/bghgary))
-- Added effect layer per rendering group addressing [Issue 4463](https://github.com/BabylonJS/Babylon.js/issues/4463) ([sebavan](http://www.github.com/sebavan))
-- Added predicate function `targetMask` argument to `scene.beginWeightedAnimation`, `scene.beginAnimation`, `scene.stopAnimation`, and `animatable.stop` to allow for selective application of animations.  ([fmmoret](http://github.com/fmmoret))
-- Oculus GO and GearVR 3dof controllers will now rotate with the user's head if they turn around in their room ([TrevorDev](https://github.com/TrevorDev))
-- Added onPoseUpdatedFromDeviceObservable to webVRCamera to detect when the camera's pose has been updated ([TrevorDev](https://github.com/TrevorDev))
-- Added gltf light falloff [Issue 4148](https://github.com/BabylonJS/Babylon.js/issues/4148) ([sebavan](http://www.github.com/sebavan))
-- Added falloff type per light to prevent material only inconsistencies [Issue 4148](https://github.com/BabylonJS/Babylon.js/issues/4148) ([sebavan](http://www.github.com/sebavan))
-- Added WeightedSound; selects one from many Sounds with random weight for playback. ([najadojo](https://github.com/najadojo))
-- Added HDR support to ReflectionProbe ([Deltakosh](https://github.com/deltakosh))
-- Added ACES ToneMapping to the image processing to help getting more parity with other engines ([sebavan](http://www.github.com/sebavan))
-- Added Image Processing to the particle system to allow consistency in one pass forward rendering scenes ([sebavan](http://www.github.com/sebavan))
-- Added Video Recorder [Issue 4708](https://github.com/BabylonJS/Babylon.js/issues/4708) ([sebavan](http://www.github.com/sebavan))
-- Added support for main WebGL2 texture formats ([PeapBoy](https://github.com/NicolasBuecher))
-- Added fadeInOutBehavior and tooltipText for holographic buttons ([TrevorDev](https://github.com/TrevorDev))
-- StartDrag method added to pointerDragBehavior to simulate the start of a drag ([TrevorDev](https://github.com/TrevorDev))
-- Added EdgesLineRenderer to address [#4919](https://github.com/BabylonJS/Babylon.js/pull/4919) ([barteq100](https://github.com/barteq100))
-- Added ```ambientTextureImpactOnAnalyticalLights``` in PBRMaterial to allow fine grained control of the AmbientTexture on the analytical diffuse light ([sebavan](http://www.github.com/sebavan))
-- BoundingBoxGizmo scalePivot field that can be used to always scale objects from the bottom ([TrevorDev](https://github.com/TrevorDev))
-- Cylinder particle emitter and constructor in baseParticle ([TrevorDev](https://github.com/TrevorDev))
-- Improved _isSyncronized performance and reduced GC in TransformNode.computeWorldMatrix by directly reading property. ([Bolloxim](https://github.com/Bolloxim))
-- Added supports for reflectionMatrix in Skybox Mode Cube Texture allowing offsetting the world center or rotating the matrix ([sebavan](http://www.github.com/sebavan))
-
-### glTF Loader
-
-- Added support for KHR_texture_transform ([bghgary](http://www.github.com/bghgary))
-- Added `onNodeLODsLoadedObservable` and `onMaterialLODsLoadedObservable` to MSFT_lod loader extension ([bghgary](http://www.github.com/bghgary))
-- Added glTF loader settings to the GLTF tab in the debug layer ([bghgary](http://www.github.com/bghgary))
-- Added debug logging and performance counters ([bghgary](http://www.github.com/bghgary))
-- Added support for EXT_lights_imageBased ([bghgary](http://www.github.com/bghgary))
-- Added support for MSFT_audio_emitter ([najadojo](http://www.github.com/najadojo))
-- Added support for custom loader extensions ([bghgary](http://www.github.com/bghgary))
-
-### Viewer
-
-- No fullscreen button on small devices ([RaananW](https://github.com/RaananW))
-- Nav-Bar is now displayed on fullscreen per default ([RaananW](https://github.com/RaananW))
-- Viewer configuration supports deprecated values using the new configurationCompatibility processor  ([RaananW](https://github.com/RaananW))
-- Shadows will only render while models are entering the scene or animating ([RaananW](https://github.com/RaananW))
-- Support for model drag and drop onto the canvas ([RaananW](https://github.com/RaananW))
-- New lab feature - global light rotation [#4347](https://github.com/BabylonJS/Babylon.js/issues/4347) ([RaananW](https://github.com/RaananW))
-- New NPM package - babylonjs-viewer-assets, to separate the binary assets and the code of the viewer ([RaananW](https://github.com/RaananW))
-- A new HD-Toggler button allows setting a better hardware scaling rate ([RaananW](https://github.com/RaananW))
-- An initial support for WebVR is implemented ([RaananW](https://github.com/RaananW))
-- It is now possible to choose the element that goes fullscreen in the default viewer ([RaananW](https://github.com/RaananW))
-- The default viewer has a plugin system with which new buttons can be added externally ([RaananW](https://github.com/RaananW))
-- The extended configuration is now the default when not providing the "extended" parameter ([RaananW](https://github.com/RaananW))
-- viewer.updateConfiguration also accepts a URL to download configuration remotely ([RaananW](https://github.com/RaananW))
-- Viewer supports 3D printing on windows 10 ([RaananW](https://github.com/RaananW))
-- The viewer's environment map is using the new .env feature ([RaananW](https://github.com/RaananW))
-
-### Materials Library
-
-- Added ```unlit``` mode to lava material ([sebavan](http://www.github.com/sebavan))
-
-### Documentation
-
-- Added all code comments for GUI
-
-## Bug fixes
-
-- VR experience helper will now fire pointer events even when no mesh is currently hit ([TrevorDev](https://github.com/TrevorDev))
-- RawTexture.CreateAlphaTexture no longer fails to create a usable texture ([TrevorDev](https://github.com/TrevorDev))
-- SceneSerializer.SerializeMesh now serializes all materials kinds (not only StandardMaterial) ([julien-moreau](https://github.com/julien-moreau))
-- WindowsMotionController's trackpad field will be updated prior to it's onTrackpadChangedObservable event ([TrevorDev](https://github.com/TrevorDev))
-- VR experience helper's controllers will not fire pointer events when laser's are disabled, instead the camera ray pointer event will be used ([TrevorDev](https://github.com/TrevorDev))
-- Node's setParent(node.parent) will no longer throw an exception when parent is undefined and will behave the same as setParent(null) ([TrevorDev](https://github.com/TrevorDev))
-- Mesh.MergeMeshes flips triangles on meshes with negative scaling ([SvenFrankson](http://svenfrankson.com))
-- Avoid firing button events multiple times when calling vrController.attachMesh() ([TrevorDev](https://github.com/TrevorDev))
-- Parse geometry when load binary mesh ([SinhNQ](https://github.com/quocsinh))
-- Removing observers during observable notify should not skip over valid observers ([TrevorDev](https://github.com/TrevorDev))
-- Initializing gamepadManager should register the gamepad update events ([TrevorDev](https://github.com/TrevorDev))
-- Do not generate mipmaps for RawCubeTexture if OES_texture_float_linear and/or EXT_color_buffer_float extensions are not supported ([PeapBoy](https://github.com/NicolasBuecher))
-- Do not modify passed camera array parameter when creating a default pipeline ([TrevorDev](https://github.com/TrevorDev))
-- Fixed issue where gaze trackers were appearing even after leaving VR ([atulyar](https://github.com/atulyar))
-- AdvancedDynamicTexture should not overwrite skipOnPointerObservable to false ([TrevorDev](https://github.com/TrevorDev))
-- Fixed issue where VRExperienceHelper.onExitingVR observable was being fired twice ([atulyar](https://github.com/atulyar))
-- Avoid firing onExitingVR observable multiple times when calling exitVR() and add observables to Viewer that can be used instead of the ones in VRExperienceHelper ([atulyar](https://github.com/atulyar))
-- GizmoManager should hide existing gizmos if a non-attachable mesh is selected ([TrevorDev](https://github.com/TrevorDev))
-- Ignore isPickable = false for vr ray casting if the mesh's name matches the specified floorMeshName to maintain backwards compatability ([TrevorDev](https://github.com/TrevorDev))
-- Fix File Loading if hosted from `file:`-Protocol ([ltetzlaff](https://github.com/ltetzlaff))
-- Do not throw error when updating a controller with no left stick ([TrevorDev](https://github.com/TrevorDev))
-- Exiting VR can result in messed up view ([TrevorDev](https://github.com/TrevorDev))
-- Dispose existing gazeTrackers when setting a new one, remove pivot matrix of meshes using boundingBoxGizmo ([TrevorDev](https://github.com/TrevorDev))
-- Set missing parentId in Mesh.serialize() for instances ([julien-moreau](https://github.com/julien-moreau))
-- GPUParticleSystem does not get stuck in burst loop when stopped and started ([TrevorDev](https://github.com/TrevorDev))
-
-### Core Engine
-
-- Fixed ```shadowEnabled``` property on lights. Shadows are not visible anymore when disabled ([sebavan](http://www.github.com/sebavan))
-- Physics `unregisterOnPhysicsCollide` didn't remove callback correctly [#4291](https://github.com/BabylonJS/Babylon.js/issues/4291) ([RaananW](https://github.com/RaananW))
-- Added missing getter and setter for global exposure in ColorCurves ([RaananW](https://github.com/RaananW))
-- Fixed an issue with view matrix when `ArcRotateCamera` was used with collisions ([Deltakosh](https://github.com/deltakosh))
-- Fixed a bug with setting `unlit` on `PBRMaterial` after the material is ready (Wrong dirty flags) ([bghgary](http://www.github.com/bghgary))
-- Fixed `HighlightLayer` support on browsers not supporting HalfFloat ([sebavan](http://www.github.com/sebavan))
-- Fixed support for R and RG texture formats ([sebavan](http://www.github.com/sebavan))
-- Fixed `updatable` parameter setting in the SPS ([jerome](https://github.com/jbousquie))
-- Angular and linear velocity were using the wrong method to copy values to the physics engine ([RaananW](https://github.com/RaananW))
-- Fixed env texture generation in Byte Mode ([sebavan](http://www.github.com/sebavan))
-- Oimo.js now receives quaternion and not euler when a body is being constructed ([RaananW](https://github.com/RaananW))
-- Improving visual quality on SSAO2 shader ([CraigFeldspar](https://github.com/CraigFeldspar))
-- Fixed a bug where changing the sample count on `PostProcess` would not update the WebGL Texture ([CraigFeldspar](https://github.com/CraigFeldspar))
-
-### Viewer
-
-- Fix Navbar Interaction on Mozilla/Firefox ([SzeyinLee](https://github.com/SzeyinLee))
-- Fix Animation Slider Interaction on Mozilla/Firefox ([sebavan](http://www.github.com/sebavan))
-- Fix Animation Slider Clickable area size Cross Plat ([sebavan](http://www.github.com/sebavan))
-- Ground material didn't take the default main color is no material definition was provided ([RaananW](https://github.com/RaananW))
-- Model configuration was not extended correctly if loaded more than one model ([RaananW](https://github.com/RaananW))
-- It wasn't possible to disable camera behavior(s) using configuration  [#4348](https://github.com/BabylonJS/Babylon.js/issues/4348) ([RaananW](https://github.com/RaananW))
-- Animation blending was always set to true, ignoring configuration [#4412](https://github.com/BabylonJS/Babylon.js/issues/4412) ([RaananW](https://github.com/RaananW))
-- Animation navbar now updates correctly when a new model is loaded [#4441](https://github.com/BabylonJS/Babylon.js/issues/4441) ([RaananW](https://github.com/RaananW))
-- Non-normalized meshes didn't center and focus correctly ([RaananW](https://github.com/RaananW))
-- Meshes with skeletons could have incorrect animations ([RaananW](https://github.com/RaananW))
-- Removed element IDs from viewer's templates to allow muitiple viewers in a single page [#4500](https://github.com/BabylonJS/Babylon.js/issues/4500) ([RaananW](https://github.com/RaananW))
-- Viewer is not using Engine.LastCreatedScene anymore, to support multiple viewers in a single page [#4500](https://github.com/BabylonJS/Babylon.js/issues/4500) ([RaananW](https://github.com/RaananW))
-- Template location was ignored if html was defined ([RaananW](https://github.com/RaananW))
-- Drag and Drop only worked if a model was already loaded before ([RaananW](https://github.com/RaananW))
-- It was not possible to add new custom optimizers, only use existing ones ([RaananW](https://github.com/RaananW))
-- Button texts were truncated incorrectly ([RaananW](https://github.com/RaananW))
-- Animation names with more than one word didn't work correctly ([RaananW](https://github.com/RaananW))
-
-### Loaders
-
-- STL Loader only supported binary downloads and no data: urls [#4473](https://github.com/BabylonJS/Babylon.js/issues/4473) ([RaananW](https://github.com/RaananW))
-- OBJ Loader is now an async loader [#4571](https://github.com/BabylonJS/Babylon.js/issues/4571) ([RaananW](https://github.com/RaananW))
-
-## Breaking changes
-
-- Fixing support for R and RG texture formats made us remove TextureFormat_R32F and TextureFormat_RG32F as they were mixing formats and types. Please, use the respective TextureFormat_R and TextureFormat_RG with the Float types ([sebavan](http://www.github.com/sebavan))
-- Replacing `scene.onRenderingGroupObservable` by `onBeforeRenderingGroupObservable` and `onAfterRenderingGroupObservable` to prevent the stage check ([sebavan](http://www.github.com/sebavan))
+# 3.3.0
+
+## Major updates
+
+- GUI
+  - New GUI 3D controls toolset. [Complete doc + demos](http://doc.babylonjs.com/how_to/gui3d) ([Deltakosh](https://github.com/deltakosh))
+  - New GUI control: [Grid](http://doc.babylonjs.com/how_to/gui#grid) ([Deltakosh](https://github.com/deltakosh))
+  - New GUI control: [InputPassword](https://doc.babylonjs.com/how_to/gui#inputpassword) ([theom](https://github.com/theom))
+- Gizmo Support ([TrevorDev](https://github.com/TrevorDev))
+  - Gizmo and GizmoManager classes used to manipulate meshes in a scene. Gizmo types include: position, scale, rotation and bounding box. [Doc](http://doc.babylonjs.com/how_to/gizmo) ([TrevorDev](https://github.com/TrevorDev))
+  - New behaviors: PointerDragBehavior, SixDofDragBehavior and MultiPointerScaleBehavior to enable smooth drag and drop/scaling with mouse or 6dof controller on a mesh. [Doc](http://doc.babylonjs.com/how_to/meshbehavior) ([TrevorDev](https://github.com/TrevorDev))
+  - Added attachToBoxBehavior to attach UI to a bounding box ([TrevorDev](https://github.com/TrevorDev))
+  - Gizmo manager's internal gizmos are now public ([TrevorDev](https://github.com/TrevorDev))
+  - Ability to customize meshes on gizmos ([TrevorDev](https://github.com/TrevorDev))
+  - Added ignoreChildren field to bounding box to save performance when using heavily nested meshes ([TrevorDev](https://github.com/TrevorDev))
+  - Add uniform scaling drag support to scale gizmo ([TrevorDev](https://github.com/TrevorDev))
+  - Support interacting with child elements ([TrevorDev](https://github.com/TrevorDev))
+- Particle system improvements ([Deltakosh](https://github.com/deltakosh))
+  - Added a ParticleHelper class to create some pre-configured particle systems in a one-liner method style. [Doc](https://doc.babylonjs.com/How_To/ParticleHelper) ([Deltakosh](https://github.com/deltakosh)) / ([DevChris](https://github.com/yovanoc))
+  - Improved CPU particles rendering performance (up to x2 on low end devices)
+  - Added support for `isBillboardBased`. [Doc](http://doc.babylonjs.com/babylon101/particles#alignment)
+  - Added support for billboard mode. [Doc](https://doc.babylonjs.com/babylon101/particles#alignment)
+  - Added support for `minScaleX`, `minScaleY`, `maxScaleX`, `maxScaleY`. [Doc](https://doc.babylonjs.com/babylon101/particles#size)
+  - Added support for `radiusRange` for sphere emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#sphere-emitter)
+  - Added support for `radiusRange` and `heightRange` for cone emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#cone-emitter)
+  - Added new point emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#point-emitter)
+  - Added new hemispheric emitter. [Doc](https://doc.babylonjs.com/babylon101/particles#hemispheric-emitter)
+  - Added support for `ParticleSystem.BLENDMODE_ADD` alpha mode. [Doc](https://doc.babylonjs.com/babylon101/particles#particle-blending)
+  - Added support for color gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#particle-colors)
+  - Added support for pre-warming. [Doc](https://doc.babylonjs.com/babylon101/particles#pre-warming)
+  - Added support for `minInitialRotation` and `maxInitialRotation`. [Doc](https://doc.babylonjs.com/babylon101/particles#rotation)
+  - Added support for size gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#size)
+  - Added support for life time gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#lifetime)
+  - Added support for angular speed gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#rotation)
+  - Added support for velocty gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#velocity-over-time)
+  - Added support for limit velocty gradients. [Doc](https://doc.babylonjs.com/babylon101/particles#limit-velocity-over-time)
+  - Added support for noise textures. [Doc](http://doc.babylonjs.com/babylon101/particles#noise-texture)
+- Added SceneComponent to help decoupling Scene from its components. ([sebavan](http://www.github.com/sebavan))
+- Added [Environment Texture Tools](https://doc.babylonjs.com/how_to/physically_based_rendering#creating-a-compressed-environment-texture) to reduce the size of the usual .DDS file ([sebavan](http://www.github.com/sebavan))
+- Playground can now be used with TypeScript directly!. [Demo](https://www.babylonjs-playground.com/ts.html) ([Deltakosh](https://github.com/deltakosh), [NasimiAsl](https://github.com/NasimiAsl))
+- GUI and Inspector are now ES-Modules ([RaananW](https://github.com/RaananW))
+- Added support for noise procedural textures. [Doc](http://doc.babylonjs.com/how_to/how_to_use_procedural_textures#noise-procedural-texture) ([Deltakosh](https://github.com/deltakosh))
+- Added new `PhotoDome` object to display 360 photos. [Demo](https://www.babylonjs-playground.com/#14KRGG#0) ([SzeyinLee](https://github.com/SzeyinLee))
+- Added Video Recorder [Documentation](http://localhost:8080/How_To/Render_Scene_on_a_Video) ([sebavan](http://www.github.com/sebavan))
+
+## Updates
+
+- Updated TypeScript version to new major 3.0.1 ([christopherstock](https://github.com/christopherstock))
+- All NPM packages have `latest`and `preview` streams [#3055](https://github.com/BabylonJS/Babylon.js/issues/3055) ([RaananW](https://github.com/RaananW))
+- Added New Tools Tab in the inspector (env texture and screenshot tools so far) ([sebavan](http://www.github.com/sebavan))
+- Moved to gulp 4, updated dependencies to latest ([RaananW](https://github.com/RaananW))
+
+### GUI
+- Added dead key support and before key add observable to InputText. [Doc](https://doc.babylonjs.com/how_to/gui#using-onbeforekeyaddobservable-for-extended-keyboard-layouts-and-input-masks)([theom](https://github.com/theom))
+- Added `TextBlock.computeExpectedHeight`, added `TextWrapping.Ellipsis` as `TextBlock.wordWrapping` possible value ([adrientetar](https://github.com/adrientetar))
+- New vertical mode for sliders in 2D GUI. [Demo](https://www.babylonjs-playground.com/#U9AC0N#53) ([Saket Saurabh](https://github.com/ssaket))
+- Added `isEnabled` and `disabledColor` property to Gui Control ([barteq100](https://github.com/barteq100))
+
+### Core Engine
+
+- Added support for muyltiple clip planes. [Demo](https://www.babylonjs-playground.com/#Y6W087) ([Deltakosh](https://github.com/deltakosh))
+- Added new `MixMaterial` to the Materials Library allowing to mix up to 8 textures ([julien-moreau](https://github.com/julien-moreau))
+- Added new `BoundingInfo.scale()` function to let users control the size of the bounding info ([Deltakosh](https://github.com/deltakosh))
+- Added new `Animatable.waitAsync` function to use Promises with animations. Demo [Here](https://www.babylonjs-playground.com/#HZBCXR) ([Deltakosh](https://github.com/deltakosh))
+- Added the choice of [forming a closed loop](http://doc.babylonjs.com/how_to/how_to_use_curve3#catmull-rom-spline) to the catmull-rom-spline curve3 ([johnk](https://github.com/babylonjsguide))
+- Added support for specifying the center of rotation to textures ([bghgary](http://www.github.com/bghgary))
+- Added webVR support for Oculus Go ([TrevorDev](https://github.com/TrevorDev))
+- Added ability to not generate polynomials harmonics upon prefiltered texture creation ([sebavan](http://www.github.com/sebavan))
+- Added predicate function to customize the list of mesh included in the computation of bounding vectors in the ```getHierarchyBoundingVectors``` method ([sebavan](http://www.github.com/sebavan))
+- Added webVR constructor options: disable laser pointer toggle, teleportation floor meshes ([TrevorDev](https://github.com/TrevorDev))
+- Get a root mesh from an asset container, load a mesh from a file with a single string url ([TrevorDev](https://github.com/TrevorDev))
+- UtilityLayer class to render another scene as a layer on top of an existing scene ([TrevorDev](https://github.com/TrevorDev))
+- AnimationGroup has now onAnimationGroupEnd observable ([RaananW](https://github.com/RaananW))
+- New `serialize` and `Parse` functions to serialize and parse all procedural textures from the Procedural Textures Library ([julien-moreau](https://github.com/julien-moreau))
+- Added a new `mesh.ignoreNonUniformScaling` to turn off non uniform scaling compensation ([Deltakosh](https://github.com/deltakosh))
+- AssetsManager tasks will only run when their state is INIT. It is now possible to remove a task from the assets manager ([RaananW](https://github.com/RaananW))
+- Added sprite isVisible field ([TrevorDev](https://github.com/TrevorDev))
+- EnvironmentHelper will recreate ground and skybox meshes if force-disposed ([RaananW](https://github.com/RaananW))
+- Added viewport caching mechanism in engine ([sebavan](http://www.github.com/sebavan))
+- Added unpackFlipY caching mechanism in engine ([sebavan](http://www.github.com/sebavan))
+- Added rebind optimization of video texture ([sebavan](http://www.github.com/sebavan))
+- Fix Background Material effect caching ([sebavan](http://www.github.com/sebavan))
+- Prevent texture ```getSize``` to generate garbage collection ([sebavan](http://www.github.com/sebavan))
+- Prevent ```lodGenerationScale``` and ```lodGenerationOffset``` to force rebind ([sebavan](http://www.github.com/sebavan))
+- Added poster property on VideoTexture ([sebavan](http://www.github.com/sebavan))
+- Added ```onUserActionRequestedObservable``` to workaround and detect autoplay video policy restriction on VideoTexture ([sebavan](http://www.github.com/sebavan))
+- `Sound` now accepts `MediaStream` as source to enable easier WebAudio and WebRTC integrations ([menduz](https://github.com/menduz))
+- Vector x, y and z constructor parameters are now optional and default to 0 ([TrevorDev](https://github.com/TrevorDev))
+- Added and removed camera methods in the default pipeline ([TrevorDev](https://github.com/TrevorDev))
+- Added internal texture `format` support for RenderTargetCubeTexture ([PeapBoy](https://github.com/NicolasBuecher))
+- Added canvas toBlob polyfill in tools ([sebavan](http://www.github.com/sebavan))
+- Added `RawCubeTexture` class with RGBD and mipmap support ([bghgary](http://www.github.com/bghgary))
+- Added effect layer per rendering group addressing [Issue 4463](https://github.com/BabylonJS/Babylon.js/issues/4463) ([sebavan](http://www.github.com/sebavan))
+- Added predicate function `targetMask` argument to `scene.beginWeightedAnimation`, `scene.beginAnimation`, `scene.stopAnimation`, and `animatable.stop` to allow for selective application of animations.  ([fmmoret](http://github.com/fmmoret))
+- Oculus GO and GearVR 3dof controllers will now rotate with the user's head if they turn around in their room ([TrevorDev](https://github.com/TrevorDev))
+- Added onPoseUpdatedFromDeviceObservable to webVRCamera to detect when the camera's pose has been updated ([TrevorDev](https://github.com/TrevorDev))
+- Added gltf light falloff [Issue 4148](https://github.com/BabylonJS/Babylon.js/issues/4148) ([sebavan](http://www.github.com/sebavan))
+- Added falloff type per light to prevent material only inconsistencies [Issue 4148](https://github.com/BabylonJS/Babylon.js/issues/4148) ([sebavan](http://www.github.com/sebavan))
+- Added WeightedSound; selects one from many Sounds with random weight for playback. ([najadojo](https://github.com/najadojo))
+- Added HDR support to ReflectionProbe ([Deltakosh](https://github.com/deltakosh))
+- Added ACES ToneMapping to the image processing to help getting more parity with other engines ([sebavan](http://www.github.com/sebavan))
+- Added Image Processing to the particle system to allow consistency in one pass forward rendering scenes ([sebavan](http://www.github.com/sebavan))
+- Added Video Recorder [Issue 4708](https://github.com/BabylonJS/Babylon.js/issues/4708) ([sebavan](http://www.github.com/sebavan))
+- Added support for main WebGL2 texture formats ([PeapBoy](https://github.com/NicolasBuecher))
+- Added fadeInOutBehavior and tooltipText for holographic buttons ([TrevorDev](https://github.com/TrevorDev))
+- StartDrag method added to pointerDragBehavior to simulate the start of a drag ([TrevorDev](https://github.com/TrevorDev))
+- Added EdgesLineRenderer to address [#4919](https://github.com/BabylonJS/Babylon.js/pull/4919) ([barteq100](https://github.com/barteq100))
+- Added ```ambientTextureImpactOnAnalyticalLights``` in PBRMaterial to allow fine grained control of the AmbientTexture on the analytical diffuse light ([sebavan](http://www.github.com/sebavan))
+- BoundingBoxGizmo scalePivot field that can be used to always scale objects from the bottom ([TrevorDev](https://github.com/TrevorDev))
+- Cylinder particle emitter and constructor in baseParticle ([TrevorDev](https://github.com/TrevorDev))
+- Improved _isSyncronized performance and reduced GC in TransformNode.computeWorldMatrix by directly reading property. ([Bolloxim](https://github.com/Bolloxim))
+- Added supports for reflectionMatrix in Skybox Mode Cube Texture allowing offsetting the world center or rotating the matrix ([sebavan](http://www.github.com/sebavan))
+
+### glTF Loader
+
+- Added support for KHR_texture_transform ([bghgary](http://www.github.com/bghgary))
+- Added `onNodeLODsLoadedObservable` and `onMaterialLODsLoadedObservable` to MSFT_lod loader extension ([bghgary](http://www.github.com/bghgary))
+- Added glTF loader settings to the GLTF tab in the debug layer ([bghgary](http://www.github.com/bghgary))
+- Added debug logging and performance counters ([bghgary](http://www.github.com/bghgary))
+- Added support for EXT_lights_imageBased ([bghgary](http://www.github.com/bghgary))
+- Added support for MSFT_audio_emitter ([najadojo](http://www.github.com/najadojo))
+- Added support for custom loader extensions ([bghgary](http://www.github.com/bghgary))
+
+### Viewer
+
+- No fullscreen button on small devices ([RaananW](https://github.com/RaananW))
+- Nav-Bar is now displayed on fullscreen per default ([RaananW](https://github.com/RaananW))
+- Viewer configuration supports deprecated values using the new configurationCompatibility processor  ([RaananW](https://github.com/RaananW))
+- Shadows will only render while models are entering the scene or animating ([RaananW](https://github.com/RaananW))
+- Support for model drag and drop onto the canvas ([RaananW](https://github.com/RaananW))
+- New lab feature - global light rotation [#4347](https://github.com/BabylonJS/Babylon.js/issues/4347) ([RaananW](https://github.com/RaananW))
+- New NPM package - babylonjs-viewer-assets, to separate the binary assets and the code of the viewer ([RaananW](https://github.com/RaananW))
+- A new HD-Toggler button allows setting a better hardware scaling rate ([RaananW](https://github.com/RaananW))
+- An initial support for WebVR is implemented ([RaananW](https://github.com/RaananW))
+- It is now possible to choose the element that goes fullscreen in the default viewer ([RaananW](https://github.com/RaananW))
+- The default viewer has a plugin system with which new buttons can be added externally ([RaananW](https://github.com/RaananW))
+- The extended configuration is now the default when not providing the "extended" parameter ([RaananW](https://github.com/RaananW))
+- viewer.updateConfiguration also accepts a URL to download configuration remotely ([RaananW](https://github.com/RaananW))
+- Viewer supports 3D printing on windows 10 ([RaananW](https://github.com/RaananW))
+- The viewer's environment map is using the new .env feature ([RaananW](https://github.com/RaananW))
+
+### Materials Library
+
+- Added ```unlit``` mode to lava material ([sebavan](http://www.github.com/sebavan))
+
+### Documentation
+
+- Added all code comments for GUI
+
+## Bug fixes
+
+- VR experience helper will now fire pointer events even when no mesh is currently hit ([TrevorDev](https://github.com/TrevorDev))
+- RawTexture.CreateAlphaTexture no longer fails to create a usable texture ([TrevorDev](https://github.com/TrevorDev))
+- SceneSerializer.SerializeMesh now serializes all materials kinds (not only StandardMaterial) ([julien-moreau](https://github.com/julien-moreau))
+- WindowsMotionController's trackpad field will be updated prior to it's onTrackpadChangedObservable event ([TrevorDev](https://github.com/TrevorDev))
+- VR experience helper's controllers will not fire pointer events when laser's are disabled, instead the camera ray pointer event will be used ([TrevorDev](https://github.com/TrevorDev))
+- Node's setParent(node.parent) will no longer throw an exception when parent is undefined and will behave the same as setParent(null) ([TrevorDev](https://github.com/TrevorDev))
+- Mesh.MergeMeshes flips triangles on meshes with negative scaling ([SvenFrankson](http://svenfrankson.com))
+- Avoid firing button events multiple times when calling vrController.attachMesh() ([TrevorDev](https://github.com/TrevorDev))
+- Parse geometry when load binary mesh ([SinhNQ](https://github.com/quocsinh))
+- Removing observers during observable notify should not skip over valid observers ([TrevorDev](https://github.com/TrevorDev))
+- Initializing gamepadManager should register the gamepad update events ([TrevorDev](https://github.com/TrevorDev))
+- Do not generate mipmaps for RawCubeTexture if OES_texture_float_linear and/or EXT_color_buffer_float extensions are not supported ([PeapBoy](https://github.com/NicolasBuecher))
+- Do not modify passed camera array parameter when creating a default pipeline ([TrevorDev](https://github.com/TrevorDev))
+- Fixed issue where gaze trackers were appearing even after leaving VR ([atulyar](https://github.com/atulyar))
+- AdvancedDynamicTexture should not overwrite skipOnPointerObservable to false ([TrevorDev](https://github.com/TrevorDev))
+- Fixed issue where VRExperienceHelper.onExitingVR observable was being fired twice ([atulyar](https://github.com/atulyar))
+- Avoid firing onExitingVR observable multiple times when calling exitVR() and add observables to Viewer that can be used instead of the ones in VRExperienceHelper ([atulyar](https://github.com/atulyar))
+- GizmoManager should hide existing gizmos if a non-attachable mesh is selected ([TrevorDev](https://github.com/TrevorDev))
+- Ignore isPickable = false for vr ray casting if the mesh's name matches the specified floorMeshName to maintain backwards compatability ([TrevorDev](https://github.com/TrevorDev))
+- Fix File Loading if hosted from `file:`-Protocol ([ltetzlaff](https://github.com/ltetzlaff))
+- Do not throw error when updating a controller with no left stick ([TrevorDev](https://github.com/TrevorDev))
+- Exiting VR can result in messed up view ([TrevorDev](https://github.com/TrevorDev))
+- Dispose existing gazeTrackers when setting a new one ([TrevorDev](https://github.com/TrevorDev))
+- Set missing parentId in Mesh.serialize() for instances ([julien-moreau](https://github.com/julien-moreau))
+- Do not modify pivot when using bounding box gizmo ([TrevorDev](https://github.com/TrevorDev))
+- GPUParticleSystem does not get stuck in burst loop when stopped and started ([TrevorDev](https://github.com/TrevorDev))
+
+### Core Engine
+
+- Fixed ```shadowEnabled``` property on lights. Shadows are not visible anymore when disabled ([sebavan](http://www.github.com/sebavan))
+- Physics `unregisterOnPhysicsCollide` didn't remove callback correctly [#4291](https://github.com/BabylonJS/Babylon.js/issues/4291) ([RaananW](https://github.com/RaananW))
+- Added missing getter and setter for global exposure in ColorCurves ([RaananW](https://github.com/RaananW))
+- Fixed an issue with view matrix when `ArcRotateCamera` was used with collisions ([Deltakosh](https://github.com/deltakosh))
+- Fixed a bug with setting `unlit` on `PBRMaterial` after the material is ready (Wrong dirty flags) ([bghgary](http://www.github.com/bghgary))
+- Fixed `HighlightLayer` support on browsers not supporting HalfFloat ([sebavan](http://www.github.com/sebavan))
+- Fixed support for R and RG texture formats ([sebavan](http://www.github.com/sebavan))
+- Fixed `updatable` parameter setting in the SPS ([jerome](https://github.com/jbousquie))
+- Angular and linear velocity were using the wrong method to copy values to the physics engine ([RaananW](https://github.com/RaananW))
+- Fixed env texture generation in Byte Mode ([sebavan](http://www.github.com/sebavan))
+- Oimo.js now receives quaternion and not euler when a body is being constructed ([RaananW](https://github.com/RaananW))
+- Improving visual quality on SSAO2 shader ([CraigFeldspar](https://github.com/CraigFeldspar))
+- Fixed a bug where changing the sample count on `PostProcess` would not update the WebGL Texture ([CraigFeldspar](https://github.com/CraigFeldspar))
+
+### Viewer
+
+- Fix Navbar Interaction on Mozilla/Firefox ([SzeyinLee](https://github.com/SzeyinLee))
+- Fix Animation Slider Interaction on Mozilla/Firefox ([sebavan](http://www.github.com/sebavan))
+- Fix Animation Slider Clickable area size Cross Plat ([sebavan](http://www.github.com/sebavan))
+- Ground material didn't take the default main color is no material definition was provided ([RaananW](https://github.com/RaananW))
+- Model configuration was not extended correctly if loaded more than one model ([RaananW](https://github.com/RaananW))
+- It wasn't possible to disable camera behavior(s) using configuration  [#4348](https://github.com/BabylonJS/Babylon.js/issues/4348) ([RaananW](https://github.com/RaananW))
+- Animation blending was always set to true, ignoring configuration [#4412](https://github.com/BabylonJS/Babylon.js/issues/4412) ([RaananW](https://github.com/RaananW))
+- Animation navbar now updates correctly when a new model is loaded [#4441](https://github.com/BabylonJS/Babylon.js/issues/4441) ([RaananW](https://github.com/RaananW))
+- Non-normalized meshes didn't center and focus correctly ([RaananW](https://github.com/RaananW))
+- Meshes with skeletons could have incorrect animations ([RaananW](https://github.com/RaananW))
+- Removed element IDs from viewer's templates to allow muitiple viewers in a single page [#4500](https://github.com/BabylonJS/Babylon.js/issues/4500) ([RaananW](https://github.com/RaananW))
+- Viewer is not using Engine.LastCreatedScene anymore, to support multiple viewers in a single page [#4500](https://github.com/BabylonJS/Babylon.js/issues/4500) ([RaananW](https://github.com/RaananW))
+- Template location was ignored if html was defined ([RaananW](https://github.com/RaananW))
+- Drag and Drop only worked if a model was already loaded before ([RaananW](https://github.com/RaananW))
+- It was not possible to add new custom optimizers, only use existing ones ([RaananW](https://github.com/RaananW))
+- Button texts were truncated incorrectly ([RaananW](https://github.com/RaananW))
+- Animation names with more than one word didn't work correctly ([RaananW](https://github.com/RaananW))
+
+### Loaders
+
+- STL Loader only supported binary downloads and no data: urls [#4473](https://github.com/BabylonJS/Babylon.js/issues/4473) ([RaananW](https://github.com/RaananW))
+- OBJ Loader is now an async loader [#4571](https://github.com/BabylonJS/Babylon.js/issues/4571) ([RaananW](https://github.com/RaananW))
+
+## Breaking changes
+
+- Fixing support for R and RG texture formats made us remove TextureFormat_R32F and TextureFormat_RG32F as they were mixing formats and types. Please, use the respective TextureFormat_R and TextureFormat_RG with the Float types ([sebavan](http://www.github.com/sebavan))
+- Replacing `scene.onRenderingGroupObservable` by `onBeforeRenderingGroupObservable` and `onAfterRenderingGroupObservable` to prevent the stage check ([sebavan](http://www.github.com/sebavan))

src/Gizmos/babylon.boundingBoxGizmo.ts

@@ -63,10 +63,13 @@ module BABYLON {
         private _anchorMesh: AbstractMesh;
         private _existingMeshScale = new Vector3();
 
+        // Stores the state of the pivot cache (_oldPivotPoint, _pivotTranslation)
+        // store/remove pivot point should only be applied during their outermost calls
+        private _pivotCached = 0;
         private _oldPivotPoint = new Vector3();
         private _pivotTranslation = new Vector3();
         private removeAndStorePivotPoint(){
-            if(this.attachedMesh){
+            if(this.attachedMesh && this._pivotCached === 0){
                 // Save old pivot and set pivot to 0,0,0
                 this.attachedMesh.getPivotPointToRef(this._oldPivotPoint);
                 if(this._oldPivotPoint.equalsToFloats(0,0,0)){
@@ -79,16 +82,17 @@ module BABYLON {
                 this._tmpVector.multiplyInPlace(this._pivotTranslation);
                 this.attachedMesh.position.addInPlace(this._tmpVector);
             }
+            this._pivotCached++;
         }
         private restorePivotPoint(){
-            if(this.attachedMesh && !this._oldPivotPoint.equalsToFloats(0,0,0)){
-                this.attachedMesh.setPivotPoint(this._oldPivotPoint);    
-                this._oldPivotPoint.subtractToRef(this.attachedMesh.getPivotPoint(), this._pivotTranslation);
+            if(this.attachedMesh && !this._oldPivotPoint.equalsToFloats(0,0,0) && this._pivotCached === 1){
+                this.attachedMesh.setPivotPoint(this._oldPivotPoint);
                 this._tmpVector.copyFromFloats(1,1,1);
                 this._tmpVector.subtractInPlace(this.attachedMesh.scaling);
                 this._tmpVector.multiplyInPlace(this._pivotTranslation);
                 this.attachedMesh.position.subtractInPlace(this._tmpVector);
             }
+            this._pivotCached--;
         }
 
         /**
@@ -233,12 +237,10 @@ module BABYLON {
                             this.onScaleBoxDragObservable.notifyObservers({});
                             if(this.attachedMesh){
                                 this.removeAndStorePivotPoint();
-                                
                                 var relativeDragDistance = (event.dragDistance / this._boundingDimensions.length())*this._anchorMesh.scaling.length();
                                 var deltaScale = new Vector3(relativeDragDistance,relativeDragDistance,relativeDragDistance);
                                 deltaScale.scaleInPlace(this._scaleDragSpeed);
                                 this.updateBoundingBox();
-
                                 if(this.scalePivot){
                                     this.attachedMesh.getWorldMatrix().getRotationMatrixToRef(this._tmpRotationMatrix);
                                     // Move anchor to desired pivot point (Bottom left corner + dimension/2)