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Hey Guys.

Current Situation:
Im Generating a Random Universe, A Sun in the Center, Planets orbiting around.

I am abled to select a Sphere, works by getting the object id.
A Menu pops up and Shows the different properties like speed - planet size ect.

Now i want to make a kind of \"highlight\".

I could easily clone that object, change the size and make it wireframe. but that looks really like ...

Okay, now i decided to make a 2d Circle around that, like a Halo, but there is no way to get this running. When i Take the X and Y Coordinates of the selected sphere and make a circle, the circle uses the coordinate-system of the window and appear in the upper left of the screen.

f.e - the sun always has the position 0,0,0 - so the circle uses them too....

how do i solve that? Is that even possible?

thanks in advance!

Okay, sorry for that post, but i figured it out how to use Sprites
Never mind..

To be honest, I would cheat. I would create a plain object facing the camera and have a circle texture in it. It's probably so much easier to scale the plain object to just bigger than the sphere than it is to work out the screen coordinates of the sphere, then the size of the circle you would need, etc, and it's faster.

I would use WLGFx's suggestion if I were you. The problem with sprites is they are not automatically rescaled to match screen res whereas 3D is. In other words a 3D plain that was textured would be better than having to scale a sprite (which Ironically is actually a 3D ent but it is handled completely differently).