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Found 290 results

  1. Hello, BabylonJS is fantasic. Thank you mr @Deltakosh and @davrous. Research: Augmented Reality making rapid advancements this year. GIS AR, Multi-Marker AR, TableTop AR - 3D on flat surfaces... Happening fast. Babylon is my 3D home. So I must ask: Is AR porting a priority for upcoming versions of BabylonJS. And if not, can it be? I looked at wishlist and roadmap. Found milestone/5 with no mention of AR: Here is link with history I'd follow: Seems to be lineage of successful AR examples: For AR -> Babylon is most promising to me. How would one go about such a feature? Thanks,
  2. Hi Team, I am merging the array of ribbon objects to create one mesh. However, edge rendering for new mesh is creating edges for individual sub meshes instead of creating for complete object. Is there a way to change this behaviour?
  3. Hi everybody, This topic is here to list known mobile apps using Babylon.js. Could you mention the one you know ? Thanks !
  4. Can we set lines as dashed in grids lines. I am using below code: var gridBox = BABYLON.MeshBuilder.CreateBox("box1", { width: objectProperties.width, height: 0.05, depth: objectProperties.height, updatable: true }, scene); var defaultGridMaterial = new BABYLON.GridMaterial("default", scene); defaultGridMaterial.majorUnitFrequency = 2; defaultGridMaterial.gridRatio = 2; gridBox.material = defaultGridMaterial; gridBox.material.diffuseColor = new BABYLON.Color3(1, 2, 0);
  5. Hi Team, I am working on an editor for room planner using babylon js. I am storing some custom properties for few of the meshes in my scene. shearWall.maxXPos = maxXPos; shearWall.minXPos = minXPos; These properties are having their use for dragging. there are other properties as well. each one of it having its own purpose. I need to save all the data and store it in database. so that user can revisit and work from where he have left the design. to export the data, i am using: var serializedScene = BABYLON.SceneSerializer.Serialize(scene);var strScene = JSON.stringify(serializedScene); The issue is, the custom properties set are not part of json data above. Is there a way to store the custom properties which becomes part of serializer above?
  6. Hi I now have two problems I have a scene to see the picture 1.On the phone side, the whole scene becomes very vague, probably because the scene and the camera is too far away, I want to solve by camera.fov, but does not work 2.On the phone side of the GUI created by the dot, will bumpy scrolling Hope to give suggestions thank you very much
  7. Babylon & Image mapping

    Can you use image mapping with babylon, I want to overcome the clickable area issue with transparent backgrounds on sprites, if anyone knows the answer please let me know! Also if anyone knows of any playgrounds or could a playground for me that would also be even better!
  8. Hello everyone, I'm trying to get my head around how to work with animations in Blender and Babylon. I have no trouble exporting/loading etc and my animations works except in one aspect. I have added some movements to my object in Blender and with movement I mean that my object changes position. My problem now is that if I "walk" with my object in the browser each animation will begin where the object is added during the initialization. I have tried to find some data giving me the new position of the object when one animation is finished. Problem seems to be that the position of the object (mesh) doesn't actually change during the animation even though the object "moves". Does anyone have any suggestions of how to solve this issue? Or aren't you supposed to change position in Blender, only make animations where the object stays in the same spot all the time? Just seems strange if that would be the case...
  9. Hi I would like to watch the skybox in the vr camera, skybox which need to trigger an event to switch skybox. I want to add a mesh in the middle of the screen, he will not move with the deformation, and always in the middle of the screen, it plays the role is equivalent to the mouse trigger click event I hope you give suggestions, or demo thank you very much
  10. Hi, An interpretation of Picasso's Guernica; my tribute to you Frenchmen! Press "Start Animation".
  11. Terrain Slope Problem?

    Hi folks! I've been working on putting together all the demos I've been working on in order to create a Player that can traverse a terrain correctly and will ONLY slide down the terrain if the Player detects a VERY steep slope ( X rotation should be able to be chosen by a parameter, the default set at 85 degrees on the X-Rotation axis ). I've created a play ground in order to demonstrate what I have done so far. I need some help to slide down steep terrain like in World of Warcraft. I'm VERY close but can't seem to figure out how to solve the above problem. Please be patient with me! I break easy! I have barely posted anything in the time I've come back to the forums after a 4-year hiatus. Also, yes there are visible rays that are attached to the player because I was trying to detect the steep x-rotation slope using raycasting. Without further adieu, here's the link to the playground : Thank you all so VERY much for your help, kindness & patience! Once the playground is fixed I will leave it up for anyone else who needs this type of character / terrain controller! Mythros
  12. Hi peeps, I've already published a similar topic not a while ago, but we couldn't really reach any conclusion: I have this demo: I'm trying to get a similar forest to this three.js scene:!/cortina . Notice how the forest is really dense and the FPS are really good. What I've already tried without success: 1) Loading meshes instead of sprites and applying LOD mechanism resulted in very low FPS. 2) Using mesh instances instead of sprites, still very low FPS 2) Temechon kindly helped me and coded a LOD function for sprites, but unfortunately it was more or less the same FPS as without the LOD. 4) Showing all the 54k trees, but using a particle system instead of sprites, which helped to reduce the draw calls, but the FPS were still low. 5) I've implemented a "poor man's LOD". I separated the 54k trees into 9 chunks, each chunk corresponding to a specific area. Then at every frame I calculated the distance from the camera to the central point of each area. If it was close enough to the camera, I showed the area trees and if not, I removed them. This way at each frame I had to calculate distances to only 9 points instead of 54k points, which helped but visually it was not pretty at all. Even applying a brown texture on the terrain underneath the trees, the chunks of trees appearing and disappearing all at once are very noticeable. 6) I also reduced the tree image size to 128x128, just in case, but I'm not sure it had an effect on FPS. Using an image of a pine tree or a leafy tree would create much more perception of a dense forest, but unfortunately I can't use those. The scene is a winter map of a specific real-world area with leafless trees and I'm trying to be as realistic as possible. A silly idea I've also tried was using an image of a group of trees instead of an image of a single tree. It obviously looked fake, especially when rotating the camera. Some other ideas that I've had but have not tried: Solid Particle System -> as it has more effect on performance than a simple particle system and I've already tried that. Octrees -> could this help me? I've read the tutorial but I'm not sure I understand how could I apply it to sprites. I don't know how camera.maxZ works internally, but is there possibly any way to apply it only to sprites, so the nearest sprites only are visible? Could I implement my own camera that does this? tldr; I'd like to show ~200.000 trees in my scene with minimal performance drawback. Thanks a lot in advance!
  13. Hello all, I apologize in advance if this question has been asked and answered N times already, but I have searched through the forums, and slogged through the vastness that is Google, and haven't quite come up with an opinionated-enough answer that influences my desires. My (simple) question is this: What is my best option for implementing UI elements in a Babylon.js-based web game? My (more complex) question is: Given that I want to provide (1) performant (2) support for responsiveness (handheld, tablet, computer) in a user interface which (3) allows for things like multiply-layered (e.g. controls over render-texture over background) UI widgets, (4) text rendering similar to DOM capabilities, that (5) integrates well with Babylon.js, and (6) is currently supported/actively developed, what are my actual options? (1) my options are DOM (slow), canvas (better) and WebGL (best) (2) can be influenced by media query-alikes in order to support different devices (3) not sure, this sounds like custom witchcraft (4) why not just use DOM?? (5) bGUI :-) (6) Not bGUI :-( I've built a UI library in the past, so the concepts are not foreign to me. But since I'm in the research phase for my own project, I figured I would reach out to the BJS community, and perhaps spark an A vs. B flame war. (Kidding!) Any thoughts are welcome, so please fire at will
  14. Hi guys, I'm trying to make 2D-shapes / 2D-sprites in my Canvas2D (ScreenSpaceCanvas) follow some sprites which are placed in my 3d world. For this, I'm using the BABYLON.Vector3.Project function as followed: However, this is the result: I've checked each of the arguments and they all contain valid values at the time of being called. I've also stumbled across this topic, which uses another 4th argument in the call, but I've had no luck trying it with that one either. Any ideas? Thanks in advance!
  15. Hi, I thought I would ask before coding functions for which I'm not certain babylon.js already supports. Is there a ready method that can take a single obj/mesh that consists of several contiguous meshes and parse the contiguous meshes into, say, an array ? I have attached an example of a hex tile terrain (see attached) exported from blender which consists of 50 hex tiles. If possible, I'd like to simply pass the hex terrain data and obtain all the 50 hex tiles in an array. Which I can then use mouse triggers on and so forth. I have read the doc and done some testing but cannot seem to get the behaviour I wanted with subMeshes. Does another method/function exists that can do the job? Or do I have to code my own by parsing the babylon file ?
  16. Camera and Sprite

    I have been working tirelessly with this and really struggling to get anywhere, if anyone can offer some form of assistance I would be greatly appreciative. I have essentially set up a reel of characters (staff) as sprites organised by co'ords in three circles, 12 characters per circle, around the camera set at (0,0,0), (Radius of circles are 1.5/1.45/1.4 I have a scene built currently which is super buggy in movement as well. I need it to when the mouse hovers on the left or right side of the screen to rotate the camera continuously scrolling through the images on loop (Cant get working past following the mouse - no loop - no smooth movement as mouse movement on y axis also rotates the camera. This is my mouse movement code: var mouse = {x:0,y:0}; var cameraMoves = {x:0,y:0,z:-0.1,move:false,speed:0.03}; function mouseMove(e){ mouse.x = e.clientX; mouse.y = e.clientY; camera.rotation.x += Math.max(Math.min((e.clientX - mouse.x) * 0.01, cameraMoves.speed), -cameraMoves.speed); camera.rotation.y += Math.max(Math.min((e.clientY - mouse.x) * 0.01, cameraMoves.speed), -cameraMoves.speed); The second main issue i'm having is that the sprites keep disappearing when rotating the camera, I'm trying to create a constant panable image reel from inside to view members of staff, there is an example i'm trying to follow and recreate found here: If anyone could tell me how to solve me mouse hover to move issue (with infinite looping) or a fix for the rendering of sprites issue it would be great! If anyone thinks they can help and needs any more code of any kinds just let me know and i''ll sort it! Thanks!
  17. Hi I would like to use my demo android webview app, but app in the run to BABYLON.SceneLoader.ImportMesh ("", "02 / Binary /", "02.binary.babylon", scene, function (newMeshes) {} This function can not run because it can not read the local file Is there a way to keep babylon projects running on a local server Does anyone have the same problem, and that can tell me how to solve it? thanks
  18. Hi Team, I am creating arrows using ribbon Using material, I am trying to set the color to the arrows. however i am failing here. what am i missing?
  19. Hi: I have a model that needs to show, I need him to have a pan function, but i use camera.targetScreenOffset to implement it, but he is not smooth. Please help me, thank you
  20. Hi all. I've been searching the web for the past 24+ hours & cannot seem to find a demo where when moving a 3d object and attaching a follow camera ( chase cam ) to the player, i can't seem to find a demo which allows the object to move in the same direction the chase camera is facing. How would you go about doing that? Thank You all! <3 Mythros
  21. Cannon JS Problems

    Hi all. I'm not really new here, but technically I am since I haven't logged on in about 4 years. I need some help fixing this cannon JS playground I created. 1st thing's 1st. Why are all the spheres rendering slowly once they touch the ground of the terrain height map? I want this to run at a persistent 60 Frames Per Second. Second thing. I want to have the camera as a "player" in which he can walk all around the heightmap terrain and up NON-STEEP slopes where he slowly slides down STEEP slopes. Forgive me if I'm being a little too less descriptive. I will try my best to explain if that is the case. Anyways, thank you ALL VERY much for all the help! <3 Here is the link to the playground : Mythros
  22. Hi everyone! I have actually a problem which is quite stupid but I really need help to solve it: I have a sphere (position 0,0,0) on which I want to "put" a mesh. I have a ray coming from the center on the sphere to a point somewhere in space, and want to put the mesh on the sphere surface, oriented to the center of the sphere, as if the sphere was a planet. I don't find anything in order to rotate a mesh from a ray in Babylon, and all the tries I do with a trigonometric approach aren't satisfying… Here is the code doing that: Thanks for your help!
  23. Hi, I've switched from BJS 3-beta to BJS-3 final and now get this error: Error status: 404 - Unable to load src/Shaders/ShadersInclude/shadowsVertexDeclaration.fx What's causing it?
  24. I have a babylon.js scene on which I have added some meshes. I want to make the preview image where all meshes would be in camera frustum and fitting exactly the user's screen. How can I do it? Please, fix my playground: