volume_light_base
A volume_light_base material is used to create visible spheres of light around Omni or Spot light sources. It is applied to Volume spheres.
Parameters
In the Parameters tab you can set or modify base and additional parameters.
Parameters of different types are set in different ways:
- expression - vector values can be set either in the field near the parameter or in the dialog window opened when double clicking this field
- slider - the value can be set either by smoothly moving the slider of the scroll box or manually in the box near the parameter (if required, the value bigger than maximum one for the slider can be set)
- color - the color can be chosen in the dialog window, activated after double clicking the color field
All the parameters can be set to default ones - click a 
Set to parent button near the parameter (if the parameter is different from the default one, its field will be highlighted with green).
The parameters available for this kind of materials are listed below.
Shading Parameters
Shading parameters are modified in the Shading field of the Parameters tab.
| GUI name | XML name | Type | Description |
|---|---|---|---|
| Diffuse | diffuse_color | color |
A color picker to choose the color of the light sphere. |
Density Parameters
Density parameters are modified in the Density field of the Parameters tab.
| GUI name | XML name | Type | Description |
|---|---|---|---|
| Power | volume_power | slider | Decreases the radius of the volume sphere. By the minimum value of 1, volume sphere radius is not affected. The higher the value , the less the radius and the less scattered the light is within the volume sphere. |
| Multiplier | volume_density | slider | A coefficient to scale a density of the volume sphere color. |