Depth

Hi!

I have an orthogrphical view. When I draw transparent objects, the last drawn one is in front of all other object. How can I get a later drawn (or last drawn) object behind all other objeczs?

Thanks for helping,
Volker Mische

[Rob The Bloke]

Either sort them for depth using quicksort (or other sorting algorithm), or use BSP trees to sort the polygons

How can i change the order of the objects?
Can i edit the depth buffer?

[nemesis]

You can change the order of the objects using some kind of sorting algorithm. As Rob has said, for example, the Quick Sort.

There are only two options:
a) Enable Z-buffering with glEnable(GL_DEPTH_TEST); Be sure the objects Z coords are correct.
b) Sort your objects to render them in the order you want. Disable Z-buffering.

-nemesis-