Commands/Shaders/Get-OBSRotatingSourceShader.ps1
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function Get-OBSRotatingSourceShader { [Alias('Set-OBSRotatingSourceShader','Add-OBSRotatingSourceShader')] param( # Set the spin_speed of OBSRotatingSourceShader [Alias('spin_speed')] [ComponentModel.DefaultBindingProperty('spin_speed')] [Single] $SpinSpeed, # Set the rotation of OBSRotatingSourceShader [ComponentModel.DefaultBindingProperty('rotation')] [Single] $Rotation, # Set the zoomin of OBSRotatingSourceShader [ComponentModel.DefaultBindingProperty('zoomin')] [Single] $Zoomin, # Set the keep_aspectratio of OBSRotatingSourceShader [Alias('keep_aspectratio')] [ComponentModel.DefaultBindingProperty('keep_aspectratio')] [Management.Automation.SwitchParameter] $KeepAspectratio, # Set the x_center of OBSRotatingSourceShader [Alias('x_center')] [ComponentModel.DefaultBindingProperty('x_center')] [Single] $XCenter, # Set the y_center of OBSRotatingSourceShader [Alias('y_center')] [ComponentModel.DefaultBindingProperty('y_center')] [Single] $YCenter, # 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 = 'rotating-source' $ShaderNoun = 'OBSRotatingSourceShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' //spin speed higher the slower uniform float spin_speed< string label = "Spin Speed"; string widget_type = "slider"; float minimum = -10.0; float maximum = 10.0; float step = 0.001; > = 1.0; uniform float rotation< string label = "Rotation"; string widget_type = "slider"; float minimum = -360.0; float maximum = 360.0; float step = 0.1; > = 0.0; uniform float zoomin< string label = "Zoom"; string widget_type = "slider"; float minimum = 0.01; float maximum = 10.0; float step = 0.01; > = 1.0; uniform bool keep_aspectratio = true; uniform float x_center< string label = "Center x"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.001; > = 0.5; uniform float y_center< string label = "Center y"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.001; > = 0.5; //main fragment code //from lioran to nutella with love float4 mainImage(VertData v_in) : TARGET { float x_aspectratio = keep_aspectratio ? uv_size.x : 1.0; float y_aspectratio = keep_aspectratio ? uv_size.y : 1.0; //get position on of the texture and focus on the middle float i_rotation; if (spin_speed == 0){ //turn angle number into pi number i_rotation = rotation/57.295779513; }else{ //use elapsed time for spinning if spin speed is not 0 i_rotation = elapsed_time * spin_speed; } float2 i_point; i_point.x = (v_in.uv.x * x_aspectratio) - (x_aspectratio * x_center); i_point.y = (v_in.uv.y * y_aspectratio) - (y_aspectratio * y_center); //get the angle from center , returns pi number float i_dir = atan(i_point.y/i_point.x); if(i_point.x < 0.0){ i_dir += 3.14159265359; } //get the distance from the centers float i_distance = sqrt(pow(i_point.x,2) + pow(i_point.y,2)); //multiple distance by the zoomin value i_distance *= zoomin; //shift the texture position based on angle and distance from the middle i_point.x = ((x_aspectratio*x_center)+cos(i_dir-i_rotation)*i_distance)/x_aspectratio; i_point.y = ((y_aspectratio*y_center)+sin(i_dir-i_rotation)*i_distance)/y_aspectratio; //draw normally from new point return image.Sample(textureSampler, i_point); } ' } $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 } } } } } |