MaterialState vs Alphastate

Troubleshooting graphics
1

Hi,

here's my question:



If I use AlphaState for the transparency of the objects I've to to turn off the lights.

Btw I need to add lights to my scene…

So I've to use MaterialState(?).



I tried this way:



Sphere s = new Sphere("MySphere", new Vector3f(100, 100, 100), 20, 20, 300f);

Node sphere = new Node("SphereNode");

sphere.attachChild(s);

MaterialState ms = display.getRenderer().createMaterialState();

ms.setAlpha(0.5f);

ms.setEnabled(true);

sphere.setRenderState(ms);



Is it correct?

If yes, why doesn't it work?

If no(and I hope so), what has to be done?



Thank you!  :slight_smile:

2

You need both an AlphaState and MaterialState to do what you are trying to do.  See TestRenderQueue for an example.

3

Thank you renanse,

always helpful  :smiley:

4

I solved doing



myspatial.setLightCombineMode(LightState.OFF);



then applying the AlphaState so the effect of the AlphaState is not erased by the lights of the scene.



Thanks!

5

Ok, not exactly what you said you wanted earlier, but as long as it gives you the results you like I guess. :slight_smile: