Commands/Shaders/Get-OBSRippleShader.ps1
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function Get-OBSRippleShader { [Alias('Set-OBSRippleShader','Add-OBSRippleShader')] param( # Set the distance_factor of OBSRippleShader [Alias('distance_factor')] [ComponentModel.DefaultBindingProperty('distance_factor')] [Single] $DistanceFactor, # Set the time_factor of OBSRippleShader [Alias('time_factor')] [ComponentModel.DefaultBindingProperty('time_factor')] [Single] $TimeFactor, # Set the power_factor of OBSRippleShader [Alias('power_factor')] [ComponentModel.DefaultBindingProperty('power_factor')] [Single] $PowerFactor, # Set the center_pos_x of OBSRippleShader [Alias('center_pos_x')] [ComponentModel.DefaultBindingProperty('center_pos_x')] [Single] $CenterPosX, # Set the center_pos_y of OBSRippleShader [Alias('center_pos_y')] [ComponentModel.DefaultBindingProperty('center_pos_y')] [Single] $CenterPosY, # 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 = 'ripple' $ShaderNoun = 'OBSRippleShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' uniform float distance_factor< string label = "distance factor"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.001; > = 12.0; uniform float time_factor< string label = "time factor"; string widget_type = "slider"; float minimum = 0.0; float maximum = 10.0; float step = 0.001; > = 2.0; uniform float power_factor< string label = "power factor"; string widget_type = "slider"; float minimum = 0.0; float maximum = 10.0; float step = 0.001; > = 3.0; uniform float center_pos_x< string label = "center pos x"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float center_pos_y< string label = "center pos y"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; float4 mainImage(VertData v_in) : TARGET { float2 cPos = (v_in.uv * 2 ) -1; float2 center_pos = float2(center_pos_x, center_pos_y); float cLength = distance(cPos, center_pos); float2 uv = v_in.uv+(cPos/cLength)*cos(cLength*distance_factor-elapsed_time*time_factor) * power_factor / 100.0; return image.Sample(textureSampler, 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 } } } } } |