Commands/Shaders/Get-OBSEmbossColorShader.ps1

function Get-OBSEmbossColorShader {

[Alias('Set-OBSEmbossColorShader','Add-OBSEmbossColorShader')]
param(
# Set the Angle_Steps of OBSEmbossColorShader
[Alias('Angle_Steps')]
[ComponentModel.DefaultBindingProperty('Angle_Steps')]
[Int32]
$AngleSteps,
# Set the Radius_Steps of OBSEmbossColorShader
[Alias('Radius_Steps')]
[ComponentModel.DefaultBindingProperty('Radius_Steps')]
[Int32]
$RadiusSteps,
# Set the ampFactor of OBSEmbossColorShader
[ComponentModel.DefaultBindingProperty('ampFactor')]
[Single]
$AmpFactor,
# Set the Up_Down_Percent of OBSEmbossColorShader
[Alias('Up_Down_Percent')]
[ComponentModel.DefaultBindingProperty('Up_Down_Percent')]
[Int32]
$UpDownPercent,
# Set the Apply_To_Alpha_Layer of OBSEmbossColorShader
[Alias('Apply_To_Alpha_Layer')]
[ComponentModel.DefaultBindingProperty('Apply_To_Alpha_Layer')]
[Management.Automation.SwitchParameter]
$ApplyToAlphaLayer,
# Set the notes of OBSEmbossColorShader
[ComponentModel.DefaultBindingProperty('notes')]
[String]
$Notes,
# The name of the source. This must be provided when adding an item for the first time
[Parameter(ValueFromPipelineByPropertyName)]
[Alias('SceneItemName')]
[String]
$SourceName,
# The name of the filter. If this is not provided, this will default to the shader name.
[Parameter(ValueFromPipelineByPropertyName)]
[String]
$FilterName,
# The inline value of the shader. This will normally be provided as a default parameter, based off of the name.
[Alias('ShaderContent')]
[String]
$ShaderText,
# If set, will force the recreation of a shader that already exists
[Management.Automation.SwitchParameter]
$Force,
# If set, will pass thru the commands that would be sent to OBS (these can be sent at any time with Send-OBS)
[Management.Automation.SwitchParameter]
$PassThru,
# If set, will not wait for a response from OBS (this will be faster, but will not return anything)
[Management.Automation.SwitchParameter]
$NoResponse,
# If set, use the shader elapsed time, instead of the OBS system elapsed time
[ComponentModel.DefaultBindingProperty('use_shader_elapsed_time')]
[Management.Automation.SwitchParameter]
$UseShaderTime
)


process {
$shaderName = 'emboss_color'
$ShaderNoun = 'OBSEmbossColorShader'
if (-not $psBoundParameters['ShaderText']) {    
    $psBoundParameters['ShaderText'] = $ShaderText = '
// Color Emboss shader by Charles Fettinger for obs-shaderfilter plugin 4/2019
//https://github.com/Oncorporation/obs-shaderfilter
//Converted to OpenGL by Q-mii & Exeldro February 18, 2022
uniform int Angle_Steps<
    string label = "Angle Steps";
    string widget_type = "slider";
    int minimum = 1;
    int maximum = 20;
    int step = 1;
> = 9; //<range 1 - 20>
uniform int Radius_Steps<
    string label = "Radius Steps";
    string widget_type = "slider";
    int minimum = 0;
    int maximum = 20;
    int step = 1;
> = 4; //<range 0 - 20>
uniform float ampFactor<
    string label = "amp Factor";
    string widget_type = "slider";
    float minimum = 0.0;
    float maximum = 10.0;
    float step = 0.01;
> = 12.0;
uniform int Up_Down_Percent<
    string label = "Up Down Percent";
    string widget_type = "slider";
    int minimum = -100;
    int maximum = 100;
    int step = 1;
> = 0;
uniform bool Apply_To_Alpha_Layer = true;
uniform string notes<
    string widget_type = "info";
> = "Steps limited in range from 0 to 20. Edit shader to remove limits at your own risk.";

float4 mainImage(VertData v_in) : TARGET
{
    float radiusSteps = clamp(Radius_Steps, 0, 20);
    float angleSteps = clamp(Angle_Steps, 1, 20);
    float PI = 3.1415926535897932384626433832795;//acos(-1);
    int totalSteps = int(radiusSteps * angleSteps);
    float minRadius = (1 * uv_pixel_interval.y);
    float maxRadius = (6 * uv_pixel_interval.y);

    float angleDelta = ((2 * PI) / angleSteps);
    float radiusDelta = ((maxRadius - minRadius) / radiusSteps);
    float embossAngle = 0.25 * PI;

    float4 c0 = image.Sample(textureSampler, v_in.uv);
    float4 origColor = c0;
    float4 accumulatedColor = float4(0,0,0,0);

    if (c0.a > 0.0 || Apply_To_Alpha_Layer == false)
    {
        for (int radiusStep = 0; radiusStep < radiusSteps; radiusStep++) {
            float radius = minRadius + radiusStep * radiusDelta;

            for (float angle = 0; angle < (2 * PI); angle += angleDelta) {
                float2 currentCoord;

                float xDiff = radius * cos(angle);
                float yDiff = radius * sin(angle);

                currentCoord = v_in.uv + float2(xDiff, yDiff);
                float4 currentColor = image.Sample(textureSampler, currentCoord);
                float4 colorDiff = abs(c0 - currentColor);
                float currentFraction = ((radiusSteps + 1 - radiusStep)) / (radiusSteps + 1);
                accumulatedColor += currentFraction * colorDiff / totalSteps * sign(angle - PI);;

            }
        }
        accumulatedColor *= ampFactor;

        c0 = lerp(c0 + accumulatedColor, c0 - accumulatedColor, (Up_Down_Percent * 0.01));
    }
    //return c0 + accumulatedColor; // down;
    //return c0 - accumulatedColor; // up
    return c0;
}

'

}
$MyVerb, $myNoun = $MyInvocation.InvocationName -split '-',2
if (-not $myNoun) {
    $myNoun = $myVerb
    $myVerb = 'Get'    
}
switch -regex ($myVerb) {
    Get {
        $FilterNamePattern = "(?>$(
            if ($FilterName) {
                [Regex]::Escape($FilterName)
            }
            else {
                [Regex]::Escape($ShaderNoun -replace '^OBS' -replace 'Shader$'),[Regex]::Escape($shaderName) -join '|'
            }
        ))"

        if ($SourceName) {
            Get-OBSInput | 
                Where-Object InputName -eq $SourceName |
                Get-OBSSourceFilterList |
                Where-Object FilterName -Match $FilterNamePattern
        } else {
            $obs.Inputs |
                Get-OBSSourceFilterList |
                Where-Object FilterName -Match $FilterNamePattern
        }        
    }
    'Remove' {
        if ($SourceName) {
            Get-OBSInput | 
                Where-Object InputName -eq $SourceName |
                Get-OBSSourceFilterList |
                Where-Object FilterName -Match $FilterNamePattern |
                Remove-OBSSourceFilter
        }
    }
    '(?>Add|Set)' {
        $ShaderSettings = [Ordered]@{}
        :nextParameter foreach ($parameterMetadata in $MyInvocation.MyCommand.Parameters[@($psBoundParameters.Keys)]) {
            foreach ($parameterAttribute in $parameterMetadata.Attributes) {
                if ($parameterAttribute -isnot [ComponentModel.DefaultBindingPropertyAttribute]) { continue }
                $ShaderSettings[$parameterAttribute.Name] = $PSBoundParameters[$parameterMetadata.Name]
                if ($ShaderSettings[$parameterAttribute.Name] -is [switch]) {
                    $ShaderSettings[$parameterAttribute.Name] = $ShaderSettings[$parameterAttribute.Name] -as [bool]
                }
                continue nextParameter
            }            
        }

        if (-not $PSBoundParameters['FilterName']) {
            $filterName = $PSBoundParameters['FilterName'] = $shaderName
        }

        $ShaderFilterSplat = [Ordered]@{
            ShaderSetting = $ShaderSettings
            FilterName = $FilterName
            SourceName = $SourceName
        }        

        foreach ($CarryOnParameter in "PassThru", "NoResponse","Force") {
            if ($PSBoundParameters.ContainsKey($CarryOnParameter)) {
                $ShaderFilterSplat[$CarryOnParameter] = $PSBoundParameters[$CarryOnParameter]
            }
        }

        if (-not $script:CachedShaderFilesFromCommand) {
            $script:CachedShaderFilesFromCommand = @{}
        }

        if ($Home -and -not $script:CachedShaderFilesFromCommand[$shaderName]) {
            $MyObsPowerShellPath = Join-Path $home ".obs-powershell"
            $ThisShaderPath = Join-Path $MyObsPowerShellPath "$shaderName.shader"
            $shaderText | Set-Content -LiteralPath $ThisShaderPath
            $script:CachedShaderFilesFromCommand[$shaderName] = Get-Item -LiteralPath $ThisShaderPath
        }
        if ($script:CachedShaderFilesFromCommand[$shaderName]) {
            $ShaderFilterSplat.ShaderFile = $script:CachedShaderFilesFromCommand[$shaderName].FullName
        } else {
            $ShaderFilterSplat.ShaderText = $shaderText
        }        

        if ($myVerb -eq 'Add') {                        
            Add-OBSShaderFilter @ShaderFilterSplat
        } else {
            Set-OBSShaderFilter @ShaderFilterSplat
        }
    }
}

}


}