$alpha: Difference between revisions
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If ''any'' material on a [[brush]] has <code>$alpha</code>, the brush will stop affecting [[VVIS]] and become entirely transparent to [[NPC]]s from every angle. | If ''any'' material on a [[brush]] has <code>$alpha</code>, the brush will stop affecting [[VVIS]] and become entirely transparent to [[NPC]]s from every angle. | ||
This may be used with <code>[[$translucent]]</code>. | This may be used with <code>[[$translucent]]</code>, although using <code>[[$translucent]]</code> here is redundant, as any <code>[[$alpha]]</code> different than 1 will already apply the <code>[[$translucent]]</code> parameter. | ||
This cannot be used with <code>[[$alphatest]]</code>. If used, the material will be invisible. | |||
==Syntax== | ==Syntax== | ||
Revision as of 10:53, 3 June 2023
$alpha is a material shader parameter. It scales the opacity of an entire material by the given value. 1 is entirely opaque, 0 is invisible.
If any material on a brush has $alpha, the brush will stop affecting VVIS and become entirely transparent to NPCs from every angle.
This may be used with $translucent, although using $translucent here is redundant, as any $alpha different than 1 will already apply the $translucent parameter.
This cannot be used with $alphatest. If used, the material will be invisible.
Syntax
$alpha <normal>