$alpha: Difference between revisions
Jump to navigation
Jump to search
Bug:Not available in VertexLitGeneric (Is available in L4D2).
m (The "A" was used for catalog) |
m (Setting bug notice hidetested=1 param on page where the bug might not need tested in param specified) |
||
| (12 intermediate revisions by 9 users not shown) | |||
| Line 1: | Line 1: | ||
{{ | {{LanguageBar|title=$alpha}} | ||
{{stub}} | |||
'''<code style="color:white">$alpha</code>''' is a [[material]] [[shader]] parameter. It scales the [[opacity]] of an entire material by the given value. 1 is entirely opaque, 0 is invisible. | |||
If ''any'' material on a [[brush]] has <code>$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. (Does not apply to [[L4D2]]) | |||
{{bug|hidetested=1|Not available in [[VertexLitGeneric]] (Is available in [[L4D2]]).}} | |||
==Syntax== | ==Syntax== | ||
$alpha <[[normal]]> | '''$alpha <[[normal]]>''' | ||
==See also== | ==See also== | ||
| Line 13: | Line 18: | ||
*<code>[[$distancealpha]]</code> | *<code>[[$distancealpha]]</code> | ||
*<code>[[$vertexalpha]]</code> | *<code>[[$vertexalpha]]</code> | ||
[[Category: | [[Category:Shader parameters|alpha]] | ||
Latest revision as of 07:13, 20 May 2025
$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. (Does not apply to L4D2)
Bug:Not available in VertexLitGeneric (Is available in L4D2).Syntax
$alpha <normal>