Commands/Shaders/Get-OBSBlendOpacityShader.ps1
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function Get-OBSBlendOpacityShader { [Alias('Set-OBSBlendOpacityShader','Add-OBSBlendOpacityShader')] param( # Set the Vertical of OBSBlendOpacityShader [ComponentModel.DefaultBindingProperty('Vertical')] [Management.Automation.SwitchParameter] $Vertical, # Set the Rotational of OBSBlendOpacityShader [ComponentModel.DefaultBindingProperty('Rotational')] [Management.Automation.SwitchParameter] $Rotational, # Set the Rotation_Offset of OBSBlendOpacityShader [Alias('Rotation_Offset')] [ComponentModel.DefaultBindingProperty('Rotation_Offset')] [Single] $RotationOffset, # Set the Opacity_Start_Percent of OBSBlendOpacityShader [Alias('Opacity_Start_Percent')] [ComponentModel.DefaultBindingProperty('Opacity_Start_Percent')] [Single] $OpacityStartPercent, # Set the Opacity_End_Percent of OBSBlendOpacityShader [Alias('Opacity_End_Percent')] [ComponentModel.DefaultBindingProperty('Opacity_End_Percent')] [Single] $OpacityEndPercent, # Set the Spread of OBSBlendOpacityShader [ComponentModel.DefaultBindingProperty('Spread')] [Single] $Spread, # Set the Speed of OBSBlendOpacityShader [ComponentModel.DefaultBindingProperty('Speed')] [Single] $Speed, # Set the Apply_To_Alpha_Layer of OBSBlendOpacityShader [Alias('Apply_To_Alpha_Layer')] [ComponentModel.DefaultBindingProperty('Apply_To_Alpha_Layer')] [Management.Automation.SwitchParameter] $ApplyToAlphaLayer, # Set the Notes of OBSBlendOpacityShader [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 = 'blend_opacity' $ShaderNoun = 'OBSBlendOpacityShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // opacity blend shader by Charles Fettinger for obs-shaderfilter plugin 3/2019 //https://github.com/Oncorporation/obs-shaderfilter //Converted to OpenGL by Exeldro February 14, 2022 uniform bool Vertical; uniform bool Rotational; uniform float Rotation_Offset< string label = "Rotation Offset"; string widget_type = "slider"; float minimum = 0.0; float maximum = 6.28318531; float step = 0.01; > = 0.0; uniform float Opacity_Start_Percent< string label = "Opacity Start Percent"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 1.0; > = 0.0; uniform float Opacity_End_Percent< string label = "Opacity End Percent"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 1.0; > = 100.0; uniform float Spread< string label = "Spread"; string widget_type = "slider"; float minimum = 0.25; float maximum = 10.0; float step = 0.01; > = 0.5; uniform float Speed< string label = "Speed"; string widget_type = "slider"; float minimum = -10.0; float maximum = 10.0; float step = 0.01; > = 0.0; uniform bool Apply_To_Alpha_Layer = true; uniform string Notes< string widget_type = "info"; > = "Spread is wideness of opacity blend and is limited between .25 and 10. Edit at your own risk. Invert Start and End to Reverse effect."; float4 mainImage(VertData v_in) : TARGET { float4 point_color = image.Sample(textureSampler, v_in.uv); float luminance = 0.299*point_color.r+0.587*point_color.g+0.114*point_color.b; float4 gray = float4(luminance,luminance,luminance, 1); float2 lPos = (v_in.uv * uv_scale + uv_offset) / clamp(Spread, 0.25, 10.0); float time = (elapsed_time * clamp(Speed, -5.0, 5.0)) / clamp(Spread, 0.25, 10.0); float dist = distance(v_in.uv , (float2(0.99, 0.99) * uv_scale + uv_offset)); if (point_color.a > 0.0 || Apply_To_Alpha_Layer == false) { //set opacity and direction float opacity = (-1 * lPos.x) * 0.5; if (Rotational && (Vertical == false)) { float timeWithOffset = time + Rotation_Offset; float sine = sin(timeWithOffset); float cosine = cos(timeWithOffset); opacity = (lPos.x * cosine + lPos.y * sine) * 0.5; } if (Vertical && (Rotational == false)) { opacity = (-1 * lPos.y) * 0.5; } opacity += time; opacity = frac(opacity); point_color.a = lerp(Opacity_Start_Percent * 0.01, Opacity_End_Percent * 0.01, clamp(opacity, 0.0, 1.0)); } return point_color; } ' } $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 } } } } } |