### 3.7.13 skies.inc, stars.inc

These files contain some predefined skies for you to use in your scenes.

skies.inc:
There are textures and pigment definitions in this file. All pigment definitions start with "P_", all sky_spheres start with "S_", all textures start with "T_", and all objects start with "O_".

stars.inc:
This file contains predefined starfield textures. The starfields become denser and more colorful with the number, with Starfield6 being the densest and most colorful.

#### 3.7.13.1 skies.inc

Pigments:

`P_Cloud1`
`P_Cloud2`
`P_Cloud3`

Sky Spheres:

`S_Cloud1`
  This sky_sphere uses P_Cloud2 and P_Cloud3.
`S_Cloud2`
  This sky_sphere uses P_Cloud4.
`S_Cloud3`
  This sky_sphere uses P_Cloud2.
`S_Cloud4`
  This sky_sphere uses P_Cloud3.
`S_Cloud5`
  This sky_sphere uses a custom pigment.

Textures:

`T_Cloud1`
  2-layer texture using P_Cloud1 pigment, contains clear regions.
`T_Cloud2`
  1-layer texture, contains clear regions.
`T_Cloud3`
  2-layer texture, contains clear regions.

Objects:

`O_Cloud1`
  Sphere, radius 10000 with T_Cloud1 texture.
`O_Cloud2`
  Union of 2 planes, with T_Cloud2 and T_Cloud3.

#### 3.7.13.2 stars.inc

`Starfield1`
`Starfield2`
`Starfield3`
`Starfield4`
`Starfield5`
`Starfield6`