VortWarp: Difference between revisions
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Bug:Acts weirdly when lit by flashlight. [todo tested in ?]
m (Oops, forgot one of the most important parameters.) |
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{{this is a|vertex shader|name=VortWarp|since=Half-Life 2: Episode One}} It blends a [[Water_(shader)#Authoring_a_flow_map|Flowmap]] with a illumination mask, and creates a similar effect to how water uses Flowmaps in newer engine branches. The shader can be both used on brushes and models. | |||
{{bug|Acts weirdly when lit by flashlight.}} | |||
== Shader parameters == | == Shader parameters == | ||
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: Flowmap to use. | : Flowmap to use. | ||
; <code>$ | ; <code>$entityorigin <[[vector]]></code> | ||
: | : The point which the model will be squished to. The entire model will try to be squished into that point. If unspecified becomes the world origin by default, "[0 0 0]". | ||
{{TODO|Test on brushes more. Test on world brushes, and on entity brushes. Do entities (ex. prop_static) and brushes have their $entityorigin centered by default, or again defaults to world origin?}} | |||
; <code>$warpparam <[[float]]></code> | |||
: Warping amount toward the specified $entityorigin. 1.0 leaves the model unaffected, lower values squish more, while 0.0 makes it practically invisible. Does not accept values outside of that range. | |||
; <code>$selfillummap <[[texture]]></code> | ; <code>$selfillummap <[[texture]]></code> | ||
: A [[Glowing_Textures#.24selfillum_textures|$selfillummask]] to blend with the Flowmap. | : A [[Glowing_Textures#.24selfillum_textures|$selfillummask]] to blend with the Flowmap. | ||
Latest revision as of 18:20, 17 May 2024
VortWarp is a Vertex shader available in all 
Source games since 
Half-Life 2: Episode One. It blends a Flowmap with a illumination mask, and creates a similar effect to how water uses Flowmaps in newer engine branches. The shader can be both used on brushes and models.
Bug:Acts weirdly when lit by flashlight. [todo tested in ?]Shader parameters
$unlit <bool>- Whether or not the material should be lit.
$flowmap <texture>- Flowmap to use.
$entityorigin <vector>- The point which the model will be squished to. The entire model will try to be squished into that point. If unspecified becomes the world origin by default, "[0 0 0]".
Todo: Test on brushes more. Test on world brushes, and on entity brushes. Do entities (ex. prop_static) and brushes have their $entityorigin centered by default, or again defaults to world origin?
$warpparam <float>- Warping amount toward the specified $entityorigin. 1.0 leaves the model unaffected, lower values squish more, while 0.0 makes it practically invisible. Does not accept values outside of that range.
$selfillummap <texture>- A $selfillummask to blend with the Flowmap.
Supported effects
Example
Example showing the minimal needed parameters in order to make the shader work.
VortWarp
{
$basetexture lights/white
$flowmap shadertest/cloud
$selfillummap shadertest/lump
$selfillumtint "{ 200 15 0 }"
$warpparam 1.0
}