Path3D _distances / length computation fix

dist/preview release/what's new.md

@@ -2,14 +2,14 @@
 
 ## Major updates
 
-- Added particle editor to the Inspector ([Deltakosh](https://github.com/deltakosh)
+- Added particle editor to the Inspector ([Deltakosh](https://github.com/deltakosh))
 - Added the `ShadowDepthWrapper` class to support accurate shadow generation for custom as well as node material shaders. [Doc](https://doc.babylonjs.com/babylon101/shadows#custom-shadow-map-shaders) ([Popov72](https://github.com/Popov72))
 
 ## Updates
 
 ### General
 
-- Refactored React refs from old string API to React.createRef() API ([belfortk](https://github.com/belfortk)
+- Refactored React refs from old string API to React.createRef() API ([belfortk](https://github.com/belfortk))
 - Scale on one axis for `BoundingBoxGizmo` ([cedricguillemet](https://github.com/cedricguillemet))
 - Simplified code contributions by fully automating the dev setup with gitpod ([nisarhassan12](https://github.com/nisarhassan12))
 - Add a `CascadedShadowMap.IsSupported` method and log an error instead of throwing an exception when CSM is not supported ([Popov72](https://github.com/Popov72))
@@ -26,10 +26,10 @@
 
 ### NME
 
-- Frames are now resizable from the corners ([belfortk](https://github.com/belfortk)
-- Can now rename and re-order frame inputs and outputs ([belfortk](https://github.com/belfortk)
-- Can now edit Node port names ([belfortk](https://github.com/belfortk)
-- Updated which node ports are shown on frames by default so that only node ports connected to outside nodes are by default exposed on the frame ([belfortk](https://github.com/belfortk)
+- Frames are now resizable from the corners ([belfortk](https://github.com/belfortk))
+- Can now rename and re-order frame inputs and outputs ([belfortk](https://github.com/belfortk))
+- Can now edit Node port names ([belfortk](https://github.com/belfortk))
+- Updated which node ports are shown on frames by default so that only node ports connected to outside nodes are by default exposed on the frame ([belfortk](https://github.com/belfortk))
 
 ### Inspector
 
@@ -121,31 +121,30 @@
 
 ## Bugs
 
-- Fix infinite loop in `GlowLayer.unReferenceMeshFromUsingItsOwnMaterial` ([Popov72](https://github.com/Popov72)
+- Fix infinite loop in `GlowLayer.unReferenceMeshFromUsingItsOwnMaterial` ([Popov72](https://github.com/Popov72))
 - Fix picking issue in the Solid Particle System when MultiMaterial is enabled ([jerome](https://github.com/jbousquie))
 - Fix picking issue in the Solid Particle System when expandable ([jerome](https://github.com/jbousquie))
-- `QuadraticErrorSimplification` was not exported ([RaananW](https://github.com/Raananw)
-- Fix NME Frames bug where collapsing and moving a frame removed the nodes inside ([belfortk](https://github.com/belfortk)
-- Fix moving / disappearing controls when freezing/unfreezing the ScrollViewer ([Popov72](https://github.com/Popov72)
-- Fix: when using instances, master mesh (if displayed) does not have correct instance buffer values ([Popov72](https://github.com/Popov72)
+- `QuadraticErrorSimplification` was not exported ([RaananW](https://github.com/Raananw))
+- Fix NME Frames bug where collapsing and moving a frame removed the nodes inside ([belfortk](https://github.com/belfortk))
+- Fix moving / disappearing controls when freezing/unfreezing the ScrollViewer ([Popov72](https://github.com/Popov72))
+- Fix: when using instances, master mesh (if displayed) does not have correct instance buffer values ([Popov72](https://github.com/Popov72))
 - Exit XR will only trigger only if state is IN_XR ([RaananW](https://github.com/RaananW))
 - Fix improper baking of transformed textures in `KHR_texture_transform` serializer. ([drigax](https://github.com/Drigax))
 - Fixed NME codegen: missing common properties for float-value input block. ([ycw](https://github.com/ycw))
 - Fixed missing options for MeshBuilder.CreateBox. ([ycw](https://github.com/ycw))
-- Fix bug in `Plane.transform` when matrix passed in is not a pure rotation ([Popov72](https://github.com/Popov72)
-- Fix bug in PBR when anisotropy is enabled and no bump texture is provided ([Popov72](https://github.com/Popov72)
-- Fix horizon occlusion in PBR materials ([Popov72](https://github.com/Popov72)
+- Fix bug in `Plane.transform` when matrix passed in is not a pure rotation ([Popov72](https://github.com/Popov72))
+- Fix bug in PBR when anisotropy is enabled and no bump texture is provided ([Popov72](https://github.com/Popov72))
+- Fix horizon occlusion in PBR materials ([Popov72](https://github.com/Popov72))
 - Fix wrong relative position in applyImpulse/applyForce for ammojs plugin ([cedricguillemet](https://github.com/cedricguillemet))
-- Fixed delay calculation in Animatable.goToFrame when speedRatio != 1 ([Reimund Järnfors](https://github.com/reimund)
-- Fix bug in PBR when translucency is enabled and an irradiance texture is provided ([Popov72](https://github.com/Popov72)
-- Fix bug in PBR with translucency when irradiance texture is 2D ([Popov72](https://github.com/Popov72)
-- Fix bug in PBR when specific combinations of parameters are used ([Popov72](https://github.com/Popov72)
+- Fixed delay calculation in Animatable.goToFrame when speedRatio != 1 ([Reimund Järnfors](https://github.com/reimund))
+- Fix bug in PBR when translucency is enabled and an irradiance texture is provided ([Popov72](https://github.com/Popov72))
+- Fix bug in PBR with translucency when irradiance texture is 2D ([Popov72](https://github.com/Popov72))
+- Fix bug in PBR when specific combinations of parameters are used ([Popov72](https://github.com/Popov72))
 - Fix texture being inverted on the Y axis by default when using TextureAsset or AssetManager ([broederj](https://github.com/broederj))
 - Fix `TexturePacker` cross-origin image requests, fix falsy default options ([ludevik](https://github.com/ludevik))
-- Fix freeze (infinite loop) when disposing a scene that loaded some specific gLTF files ([Popov72](https://github.com/Popov72)
-
-- Fix submesh recreation when it should not ([Popov72](https://github.com/Popov72)
-- Fix `CustomMaterial` and `PBRCustomMaterial` not setting uniforms / samplers / attributes ([Popov72](https://github.com/Popov72)
+- Fix freeze (infinite loop) when disposing a scene that loaded some specific gLTF files ([Popov72](https://github.com/Popov72))
+- Fix submesh recreation when it should not ([Popov72](https://github.com/Popov72))
+- Fix `CustomMaterial` and `PBRCustomMaterial` not setting uniforms / samplers / attributes ([Popov72](https://github.com/Popov72))
 - Fix bug in NME where deleting a node from a frame would not remove its ports on the outside of a frame
 - Fix mesh winding order inversion when merging meshes with overridden side orientation ([drigax](https://github.com/Drigax))
 - Fixed a rendering issue with GearVR in WebXR mode ([RaananW](https://github.com/RaananW))
@@ -156,13 +155,14 @@
 - Fix bug in NME where collapsed frames didn't redraw output links to outside nodes ([belfortk](https://github.com/belfortk))
 - Fix bug in NME where links were not redrawn after moving frame port ([belfortk](https://github.com/belfortk))
 - Fix bugs in NME that were causing inconsistent behavior displaying Move Node Up and Down buttons on frame ports ([belfortk](https://github.com/belfortk))
-- Fix bug in `ShaderMaterial` when using morph targets ([Popov72](https://github.com/Popov72)
-- Fix bug in playground where child NME windows would not close before page unload events ([belfortk](https://github.com/belfortk)
+- Fix bug in `ShaderMaterial` when using morph targets ([Popov72](https://github.com/Popov72))
+- Fix bug in playground where child NME windows would not close before page unload events ([belfortk](https://github.com/belfortk))
 - Fixed an issue with stereoscopic rendering ([#8000](https://github.com/BabylonJS/Babylon.js/issues/8000)) ([RaananW](https://github.com/RaananW))
-- Fix bug with multiple scenes when resizing the screen and there's a glow or highlight layer active ([Popov72](https://github.com/Popov72)
+- Fix bug with multiple scenes when resizing the screen and there's a glow or highlight layer active ([Popov72](https://github.com/Popov72))
 - Fix an error when compiling with the closure compiler ([ageneau](https://github.com/ageneau/))
 - Fix an error in applying texture to sides of `extrudePolygon` using faceUV[1] ([JohnK](https://github.com/BabylonJSGuide/))
 - Playground didn't work if query params were added to the URL ([RaananW](https://github.com/RaananW))
+- Fixed Path3D `_distances` / length computation ([Poolminer](https://github.com/Poolminer))
 
 ## Breaking changes
 

src/Maths/math.path.ts

@@ -627,7 +627,7 @@ export class Path3D {
                 this._tangents[i] = alignTangentsWithPath ? cur : prev.add(cur);
                 this._tangents[i].normalize();
             }
-            this._distances[i] = this._distances[i - 1] + prev.length();
+            this._distances[i] = this._distances[i - 1] + this._curve[i].subtract(this._curve[i - 1]).length();
 
             // normals and binormals
             // http://www.cs.cmu.edu/afs/andrew/scs/cs/15-462/web/old/asst2camera.html