Question About P3D's Alpa Abilities

[markjacksonguy]

Another day more programming stress,

Anyway


I was just wonder about this... If P3D doesn't support this, then I'll go with option two.

I'm sure you're probably thinking to yourself, "ask the question already!"

Sure...

I have worked with graphic engines that had the ability to make an object transparent to which ever degree specified.

I'm not talking about a transparent texture mapped on and object; a completely none transparent texture mapped onto an object that goes transparent.

That's my question... Does P3D have the APIs for making a none transparent object or mesh (actor or not) become transparent (through code)?

If not, that would be a nice addition to the APIs for those into OpenGL graphic Programming and shaders.

[Brisingr]

Is this what you are looking for?

Code: Select all

nodePath.setAlphaScale(alpha)

[markjacksonguy]

Is this what you are looking for?

Code: Select all

nodePath.setAlphaScale(alpha)

Not sure...but I'll give it a test.

[markjacksonguy]

Is this what you are looking for?

Code: Select all

nodePath.setAlphaScale(alpha)

Not sure...but I'll give it a test.

"Nope..." Didn't work. I'm guessing that only works if the object had some form of alpha to begin with...? Maybe...

I used it on an Actor to see if it would indeed turn half transparent (0.5).

I'm guessing such code was not structured into a function/method for the engine....

Oh crap... I'll just use the second method then.

(I hope it doesn't wreck the fps )

[wezu]

You've got to add

Code: Select all

node.setTransparency(TransparencyAttrib.MAlpha)


or some other TransparencyAttrib.

If a model has a modulate texture in rgba format (even if the texture has an empty alpha channel), then the loader will set up the transparency all by itself.

[Bradamante]

I'm also pretty sure that in the past I loaded a model and set a texture on it with no transparency whatsoever and then used

Code: Select all

node.setColor(1,1,1,.5)

and it got transparent. Can you confirm this?