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Transparent shape behind transparent sprite issue


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Hello guys,

I have troubles with showing shapes that have an opacity < 1 and which are behind a sprite that also has an opacity < 1.

I attach a screenshot and here the playground

As you can see the shapes behind the sprite disappear

I tried differents options with material's shape such as :

  • forceDepthWrite
  • needDepthPrePass
  • separateCullingPass
  • zOffset

But nothing works, and on the Sprite side we don't have a lot of parameters to play with. I wonder if it's not due to a kind of optimization of babylon to not drop down the render.



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Ok I found how to fix it by using renderingGroupId parameter from the meshes and the sprite manager.

set 0 to meshes and 1 to sprite manager.

But it's not perfect, if we set the camera position under the plane (grass) we have the sprite drawn before the plane.

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Hi Deltakosh,

Thanks for your reply.

Do you mean something like using a mesh instead of a sprite like a plane, then set my texture to this plane and set plane.billboardMode to  BILLBOARDMODE_ALL?

I have a lot of sprites. My project is a Map in 3D of a building let's say a shopping center and each shop is represented by a mesh in 3D and floating above a sprite which is the shop's logo.

I'm affraid that using meshes instead of sprites will drop down the rendering.

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