objFileLoader: alpha of material not recognized

[javalang]

Hi, I've some trouble though debugging so much..I have an obj/mtl file and the mesh and textutre is basically loading well, so far so good.

But the texture (png) is an alpha image and this isn't transparent after loading. This is technically OK because there is no implementation inside objFileLoader for this case.

I just want to set mesh.material.diffuseTexture.hasAlpha = true in the success-callbak of the ImportMesh-function , but the material isn't  bound at this time.

So, where to set "hasAlpha=true" , at which time is the material bound to the mesh?

Thanks

PS: I can enable it in the render loop (hack, because it's undeterminable how much frames I must wait), I also can activate hasAlpha with the DebugLayer manually

BABYLON.SceneLoader.ImportMesh("", "blabla", "blabla.obj", scene, function (meshes) {
            var m = meshes[0];
            m.material <== NOT AVAILABLE
            scene.getMaterialByName("Mat1"); <== scene.materials==empty
        });


scene.registerBeforeRender(function () {
      frame++;
       if (frame == 100) {
         var mbyname = demo.scene.getMaterialByName("Mat1"); <== OK , Material is bound to the mesh
       }

 

 

[RedMax]

I do something like this within the ImportMesh callback.

Are you sure that meshes[0] is the one you want and not just one empty parent mesh?

In my code I can access m.material there without any problem, if it's not an empty dummy mesh.

[javalang]

yes I'm sure, I have  doublechecked it and several frames later  the material can be changed without errors. It seems that there is another async task behind.

see demo