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Found 5 results

  1. Hello everyone, this is my first post here, so please don't be too harsh on my mistakes! Just started with Babylon JS a few weeks ago... I'm trying to build a concept showcase based on Babylon JS - will eventually create a link in the Demos and Projects section next wheek when something reasonable becomes available. The goal is to create a hierarchical data definition and data presentation system (where one can create the definitions of data items and the relations between them) and than can start using these to input real data. Like defining the META descriptions of a GraphQL-like system and the imputing and visualizing the data. As per the specs the data elements can reach tens of thousands for a single "entry", would like to try building this into the 3D space for faster browsing, zoom-in and out of detail levels, moving back and forth through a chain of similar items and so on. And for a rough guideline on what is to be modeled - consider the 3D representation in the Homeworld games. Well, this actually should go to the entry in "Demos and Projects".. And the actual questions now: 1) After an ArcRotateCamera's positions is animated, it stops to respond to mouse wheel. Here is a snipped of the animation (sorry for not creating a Playground, will learn to do this, tоo): function _3d_camera_move_animate(from, to) { var a = new BABYLON.Animation( 'camMoveAnimate', 'position', 60, BABYLON.Animation.ANIMATIONTYPE_VECTOR3, BABYLON.Animation.ANIMATIONLOOPMODE_CONSTANT ); a.setKeys([ {frame:0, value:from}, {frame:100, value:to} ]); CAMERA.animations.push(a); SCENE.onBeforeRenderObservable.add(_3d_camera_force_rebuild); SCENE.beginAnimation(CAMERA, 0, 100, false, 10.0, function() { SCENE.onBeforeRenderObservable.remove(_3d_camera_force_rebuild); }); } function _3d_camera_force_rebuild() { CAMERA.rebuildAnglesAndRadius(); } 2) The moving above is used to move the camera after an object is selected and this relates to the next question: If you have the positions of 2 objects and the camera, how to calculate how to move the camera to the side, to give the impression that when you select the second object it starts to face it, while it was facing the first object before that. The actual problem is that if the camera is moved equally to the distance between the 2 objects, this is too much - as the objects are away from the camera and the "observable" distance is far less that the actual one. 3) How to prevent the camera of exiting a PhotoDome? For example when using the mouse wheel... Sorry for the lengthy post... Best regards, ilia.
  2. What are the meanings of the PhotoDome size and resolution options? for a texture that is 5120x2560, what should these values be? Thanks, Michael
  3. Hi everyone! I'm trying to render my scene as an equirectangular image. Does anyone know how I can do this in a direct way? The only idea I had is to make 6 screenshot using BABYLON.Tools.CreateScreenshotUsingRenderTarget with 6 different cameras to make a cubemap and then convert it to a equirectangular. Other ideas? Thank you very much.
  4. How would you link a screen pinch gesture to manipulating a PhotoDome fovMultiplier property?
  5. I am using a photodome and I need to understand how to get or set the camera rotation so it looks at a specific part of the photo. Is there an event to handle when the camera rotation changes?
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