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From IrrlichtSharp

Bryce is a powerful piece of software which is awesome for generating terrain and skyboxes. It can do other cool stuff too. If you are lucky enough, you may have a coverdisk copy, or a copy from when it was released for free.

This tutorial relates to the free verion of Bryce 5.

Setting up

Set up your document to use a 1-1 aspect ratio, you can use any resolution you like for skyboxes, though I'd recommend sticking with powers of 2, 256x256 for standard, or if you want detail 512x512. Remember the resolution your program is running at, and one of those textures is at the back all the time.. Unfortunatly, rendering time increases quite dramatically as the size increases. The menu is hidden at the top of the screen.

Get rid of the ground plane - you don't need it for a skybox.

Sky Lab

This is where it gets fun. There are hundreds of settings and vast amount of possibilities, you play with them, it's up to you what your sky looks like.

..but make sure you disable "Link Sun to View" - you don't want it.

Camera

Double click the controlling trackball thing and set the field of view (FOV) to the magic number 112.5 and set the scale to 100.

Rendering

This is where it gets a little tricky.. Set your position/origin where you like, probably somewhere near 0,0,0 if you are are doing a fresh skybox, and we edit the position randomly. You can also use the drop down menu.

Values go in the rotate section.

Rotate                     x    y   z
skybox_ft.jpg (front)      0    0   0
skybox_lf.jpg (left)       0  270   0
skybox_rt.jpg (right)      0   90   0
skybox_bk.jpg (back)       0  180   0
skybox_up.jpg (up)       270  180   0
skybox_dn.jpg (down)      90  180   0

Note: There are currently issues with the way Irrlicht and ILS load/render skyboxes and the order of the textures may be different than listed here. If you are having problems, please replace: left=front, right=back, front=left, back=right and it should settle.

ILS Rendering

You'll probably want to set your main directional light at the same angle/location as you did for the sun/moon in Bryce..