Commands/Shaders/Get-OBSHeatWaveSimpleShader.ps1
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function Get-OBSHeatWaveSimpleShader { [Alias('Set-OBSHeatWaveSimpleShader','Add-OBSHeatWaveSimpleShader')] param( # Set the Rate of OBSHeatWaveSimpleShader [ComponentModel.DefaultBindingProperty('Rate')] [Single] $Rate, # Set the Strength of OBSHeatWaveSimpleShader [ComponentModel.DefaultBindingProperty('Strength')] [Single] $Strength, # Set the Distortion of OBSHeatWaveSimpleShader [ComponentModel.DefaultBindingProperty('Distortion')] [Single] $Distortion, # Set the Opacity of OBSHeatWaveSimpleShader [ComponentModel.DefaultBindingProperty('Opacity')] [Single] $Opacity, # 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 = 'heat-wave-simple' $ShaderNoun = 'OBSHeatWaveSimpleShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // Heat Wave Simple, Version 0.03, for OBS Shaderfilter // Copyright ©️ 2022 by SkeletonBow // License: GNU General Public License, version 2 // // Contact info: // Twitter: <https://twitter.com/skeletonbowtv> // Twitch: <https://twitch.tv/skeletonbowtv> // // Description: // Generate a crude pseudo heat wave displacement on an image source. // // Based on: https://www.shadertoy.com/view/td3GRn by Dombass <https://www.shadertoy.com/user/Dombass> // // Changelog: // 0.03 - Added Opacity control // 0.02 - Added crude Rate, Strength, and Distortion controls // 0.01 - Initial release uniform float Rate< string label = "Rate"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.1; > = 5.0; uniform float Strength< string label = "Strength"; string widget_type = "slider"; float minimum = -25.0; float maximum = 25.0; float step = 0.01; > = 1.0; uniform float Distortion< string label = "Distortion"; string widget_type = "slider"; float minimum = 3.0; float maximum = 20.0; float step = 0.01; > = 10.0; uniform float Opacity< string label = "Opacity"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.01; > = 100.00; float4 mainImage( VertData v_in ) : TARGET { float2 uv = v_in.uv; float distort = clamp(Distortion, 3.0, 20.0); // Time varying pixel color float jacked_time = Rate*elapsed_time; float2 scale = float2(0.5, 0.5); float str = clamp(Strength, -25.0, 25.0) * 0.01; uv += str * sin(scale*jacked_time + length( uv ) * distort); float4 c = image.Sample( textureSampler, uv); c.a *= saturate(Opacity*0.01); return c; } ' } $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 } } } } } |