Commands/Shaders/Get-OBSSwirlShader.ps1
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function Get-OBSSwirlShader { [Alias('Set-OBSSwirlShader','Add-OBSSwirlShader')] param( # Set the radius of OBSSwirlShader [ComponentModel.DefaultBindingProperty('radius')] [Single] $Radius, # Set the angle of OBSSwirlShader [ComponentModel.DefaultBindingProperty('angle')] [Single] $Angle, # Set the center_x of OBSSwirlShader [Alias('center_x')] [ComponentModel.DefaultBindingProperty('center_x')] [Single] $CenterX, # Set the center_y of OBSSwirlShader [Alias('center_y')] [ComponentModel.DefaultBindingProperty('center_y')] [Single] $CenterY, # Set the animate of OBSSwirlShader [ComponentModel.DefaultBindingProperty('animate')] [Management.Automation.SwitchParameter] $Animate, # Set the inverse of OBSSwirlShader [ComponentModel.DefaultBindingProperty('inverse')] [Management.Automation.SwitchParameter] $Inverse, # Set the notes of OBSSwirlShader [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 = 'Swirl' $ShaderNoun = 'OBSSwirlShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' //Created by Radegast Stravinsky for obs-shaderfilter 9/2020 uniform float radius< string label = "Radius"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.001; > = 0.5; //<Range(0.0, 1.0)> uniform float angle< string label = "Angle"; string widget_type = "slider"; float minimum = -360.0; float maximum = 360.0; float step = 0.01; > = 270.0; //<Range(-1800.0, 1800.0)> uniform float center_x< string label = "Center x"; string widget_type = "slider"; float minimum = 0.0; float maximum = 0.5; float step = 0.001; > = 0.25; //<Range(0.0, 1.0)> uniform float center_y< string label = "Center y"; string widget_type = "slider"; float minimum = 0.0; float maximum = 0.5; float step = 0.001; > = 0.25; //<Range(0.0, 1.0)> uniform bool animate = false; uniform bool inverse = false; uniform string notes< string widget_type = "info"; > = "Distorts the screen, twisting the image in a circular motion." float4 mainImage(VertData v_in) : TARGET { float2 center = float2(center_x, center_y); VertData v_out; v_out.pos = v_in.pos; float2 hw = uv_size; float ar = 1. * hw.y/hw.x; v_out.uv = 1. * v_in.uv - center; center.x /= ar; v_out.uv.x /= ar; float dist = distance(v_out.uv, center); if (dist < radius) { float percent = (radius-dist)/(radius); percent = inverse == false ? percent : 1 - percent; float theta = percent * percent * radians(angle * (animate == true ? sin(elapsed_time) : 1.0)); float s = sin(theta); float c = cos(theta); v_out.uv = float2(dot(v_out.uv-center, float2(c,-s)), dot(v_out.uv-center, float2(s,c))); v_out.uv += (2 * center); v_out.uv.x *= ar; return image.Sample(textureSampler, v_out.uv); } else { return image.Sample(textureSampler, v_in.uv ); } } ' } $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 } } } } } |