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Hello, I'm a newbee at babylonjs and I'm currently learning the BJS engine as well as the blender for 3d modelling. I have a problem when I import a .babylon file that I have created in blender. What I want to do is after loading the model, to set an ArcRotate camera to the model. I'm using this propery in order to set the target: var assetsManager = new BABYLON.AssetsManager(scene); var boatMeshTask = assetsManager.addMeshTask("BoatTask", "Boat", "assets/Boat/", "tugboat.babylon"); boatMeshTask.onSuccess = function (task) { model = task.loadedMeshes[0]; model.position.z = -80; model.position.y = 3; camera.target = model; camera.lockedTarget = model; }; assetsManager.load(); ... The problem is that when I try to apply a rotation to the model at Z axis, my skybox rotates as well. I'm using BABYLON.Space.LOCAL. For translation I'm using the following code: model.rotate(BABYLON.Axis.Z, rotationAngle, BABYLON.Space.LOCAL); This is the model I try to load: https://cbml.ddns.net/index.php/s/gaRUgfazEjad4b7 Any suggestion;

In the second part of last year I was involved in many a topic related to pivots and I suggested a number of ways to solve the various but similar problems. http://www.html5gamedevs.com/topic/26327-set-pivot-on-rotatedscaled-mesh/ http://www.html5gamedevs.com/topic/26327-set-pivot-on-rotatedscaled-mesh/ http://www.html5gamedevs.com/topic/26032-dont-change-the-mesh-position-when-setting-the-pivot/ http://www.html5gamedevs.com/topic/17207-rotating-a-mesh-around-a-pivot/ Recently I needed to return to pivots and realised that I had never really understood them. My re-visiting them has gained me some new insight into pivots and manipulating them in a much simpler way than before. Quite possibly in another year's time I will discover there is still a better way than I have now found. For the time being I would like to share my new found understanding and hope it might help some of you. So if you are trying out pivots and want to know of a fairly straightforward technique to use them read on http://babylonjsguide.github.io/advanced/Pivots

Hello, I'm trying to get a coordinate system with (0,0) at the center of the screen. If I understood the API documentation correctly, adding a Container, applying PIXI.Container.setTransform(x, y, scaleX, scaleY, rotation, skewX, skeyY, pivotX, pivotY) and then adding Sprites as children to that Container should apply the transformation to all of them, right? So I created a Container, set x to width/2 and y to height/2, and added Sprites. Problem is, they still appear with (0,0) at top-left corner. Also modifying Container.x/y or Container.position.x/y would not add translations to children Sprites. Of course I could solve the problem by adding the width/2 and height/2 offsets to every sprite I create, but I really think display parameters should be seperated from the model data. What am I doing wrong? Is there a better solution?

This is a problem which I've been struggling for too long now. Probably my approach is completely wrong, and my knowledge of matrices are lacking. Scenario: Two parent meshes in a scene Each parent has one so called connector mesh as a child Both parents have a pivotMatrix which is not equal to Matrix.Identity() Both child connectors have a pivotMatrix which is not equal to Matrix.Identity() Problem Moving the second parent in such a way that both child connectors have the same global position. Unfortunately this does not come out okay, because the pivotMatrix is 'messing' things up. What have I tried The models are made using 3DS Max and then exported to .babylon. When I apply a ResetXForm within 3DS Max on the connectors it all works fine, and the models connect at the right position. Unfortunately I do not have the possibility to do this for all the models I have. I've tried using this piece of code (TypeScript): let subject: BABYLON.Mesh = <BABYLON.Mesh>con2.parent; let con1pos: BABYLON.Vector3 = con1.getAbsolutePosition(); let con2pos: BABYLON.Vector3 = con2.getAbsolutePosition(); let pos2: BABYLON.Vector3 = subject.getAbsolutePosition(); subject.setAbsolutePosition(pos2.add(con1pos.subtract(con2pos))); What I would really like is a way to make the pivotMatrix == Matrix.Identity() and have the mesh/geometry stay at the same position. Because before I can move these, I also need to rotate the subject, in such a way that con2 faces the exact opposite direction as con1. And I am pretty sure that the pivotMatrix is going to mess up that as well. Edit: I've created two playgrounds. http://www.babylonjs-playground.com/#1UMJXS#0 (3ds max export where the connectors have an altered pivot) http://www.babylonjs-playground.com/#1UMJXS#1 (3ds max export where the connectors are reset using resetXform) I was very convinced that I did get values using the getPivotMatrix() method, but checking today, I was horribly wrong. Apparently that data is not output by the babylon 3ds max exporter. Which gives me the feeling there is little I can do about it. Perhaps the exporter needs to be adjusted so that the adjusted pivot matrix gets exported as well

Hi everyone, Panda.js Translator is a plugin for Panda.js HTML5 game engine. The plugin goal is to provide an easy way to translate a game for several languages. You can download it on github. https://github.com/blaspix/panda.js-translator

I would like to place my UI elements on top of all other sprites/groups. My current approach was to add a new group, place this on top of everything else and set fixedToCamera = true, but this gives me a weird result. Everything in this group does seem to be placed differently, and more fixedToCamera than some other stuff, but all the transformation I've done to the master "world" group seem to also apply to this group. How can I truly add UI graphics to the game without any previous matrices/translations applied to them, so they are placed solely in camera-space. I realise I could add another layer of group over everything else and then treat one of them as the world, and have everything but UI in this group, but that would leave me with two groups called "world". Though, this is going to be my solution unless there's an easy fix available. Perhaps I am just using fixedToCamera wrong?