# BrushAlpha brush,alpha#

# Parameters

brush - brush handle alpha# - alpha level of brush

# Description

Sets the alpha level of a brush.
The alpha# value should be in the range 0-1. The default brush alpha setting is 1.
The alpha level is how transparent an entity is. A value of 1 will mean the entity is non-transparent, i.e. opaque. A value of 0 will mean the entity is completely transparent, i.e. invisible. Values between 0 and 1 will cause varying amount of transparency accordingly, useful for imitating the look of objects such as glass and ice.
An BrushAlpha value of 0 is especially useful as Blitz3D will not render entities with such a value, but will still involve the entities in collision tests. This is unlike HideEntity, which doesn't involve entities in collisions.

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