Commands/Shaders/Get-OBSFisheyeXyShader.ps1
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function Get-OBSFisheyeXyShader { [Alias('Set-OBSFisheyeXyShader','Add-OBSFisheyeXyShader')] param( # Set the center_x_percent of OBSFisheyeXyShader [Alias('center_x_percent')] [ComponentModel.DefaultBindingProperty('center_x_percent')] [Single] $CenterXPercent, # Set the center_y_percent of OBSFisheyeXyShader [Alias('center_y_percent')] [ComponentModel.DefaultBindingProperty('center_y_percent')] [Single] $CenterYPercent, # Set the power_x of OBSFisheyeXyShader [Alias('power_x')] [ComponentModel.DefaultBindingProperty('power_x')] [Single] $PowerX, # Set the power_y of OBSFisheyeXyShader [Alias('power_y')] [ComponentModel.DefaultBindingProperty('power_y')] [Single] $PowerY, # 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 = 'fisheye-xy' $ShaderNoun = 'OBSFisheyeXyShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' uniform float center_x_percent< string label = "Center x percent"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.01; > = 50.0; uniform float center_y_percent< string label = "Center y percent"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.01; > = 50.0; uniform float power_x< string label = "Power x"; string widget_type = "slider"; float minimum = -2.0; float maximum = 2.0; float step = 0.01; > = 1.75; uniform float power_y< string label = "Power y"; string widget_type = "slider"; float minimum = -2.0; float maximum = 2.0; float step = 0.01; > = 1.75; float4 mainImage(VertData v_in) : TARGET { float2 center_pos = float2(center_x_percent * .01, center_y_percent * .01); float2 uv = v_in.uv; if (power_x >= 0.0001){ float b = sqrt(dot(center_pos, center_pos)); uv.x = (center_pos + normalize(v_in.uv - center_pos) * tan(distance(center_pos, v_in.uv) * power_x) * b / tan( b * power_x)).x; } else if(power_x <= -0.0001){ float b; if (uv_pixel_interval.x < uv_pixel_interval.y){ b = center_pos.x; } else { b = center_pos.y; } uv.x = (center_pos + normalize(v_in.uv - center_pos) * atan(distance(center_pos, v_in.uv) * -power_x * 10.0) * b / atan(-power_x * b * 10.0)).x; } if (power_y >= 0.0001){ float b = sqrt(dot(center_pos, center_pos)); uv.y = (center_pos + normalize(v_in.uv - center_pos) * tan(distance(center_pos, v_in.uv) * power_y) * b / tan( b * power_y)).y; } else if(power_y <= -0.0001){ float b; if (uv_pixel_interval.x < uv_pixel_interval.y){ b = center_pos.x; } else { b = center_pos.y; } uv.y = (center_pos + normalize(v_in.uv - center_pos) * atan(distance(center_pos, v_in.uv) * -power_y * 10.0) * b / atan(-power_y * b * 10.0)).y; } 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 } } } } } |