---
title: "Shader Properties"
url: "https://help.maxon.net/c4d/en-us/Content/html/XSTAR-ID_SHADERPROPERTIES.html"
section_path: "Material Manager > Classic Materials > Classic material > Channel Shaders > Star Shader > Shader Properties"
element_id: "XSTAR"
group_id: "ID_SHADERPROPERTIES"
description: "Inner Radius and Outer Radius determine the dimension of each star, given as a percentage of a UV unit."
---

## Shader Properties

### Color 1

Parameter ID: `STARSHADER_COLOR1`

The color of the wallpaper.

### Color 2

Parameter ID: `STARSHADER_COLOR2`

The color of the stars.

### Streaks

Parameter ID: `STARSHADER_STREAKS` · Range: [4..12]

The number of star tips or points.

### Inner Radius

Parameter ID: `STARSHADER_INNERRADIUS` · Range: [0..1000%]

### Outer Radius

Parameter ID: `STARSHADER_OUTERRADIUS` · Range: [0..1000%]

**Inner Radius** and **Outer Radius** determine the dimension of each star, given as a percentage of a UV unit.

### Density

Parameter ID: `STARSHADER_DENSITY` · Range: [1.00..100.00]

The average number of stars per UV unit.

![Image: 004489.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/004489.jpg)

You may find it helpful to think of the preview as an element that is one UV unit in each direction.