Commands/Shaders/Get-OBSGradientShader.ps1
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function Get-OBSGradientShader { [Alias('Set-OBSGradientShader','Add-OBSGradientShader')] param( # Set the start_color of OBSGradientShader [Alias('start_color')] [ComponentModel.DefaultBindingProperty('start_color')] [String] $StartColor, # Set the start_step of OBSGradientShader [Alias('start_step')] [ComponentModel.DefaultBindingProperty('start_step')] [Single] $StartStep, # Set the middle_color of OBSGradientShader [Alias('middle_color')] [ComponentModel.DefaultBindingProperty('middle_color')] [String] $MiddleColor, # Set the middle_step of OBSGradientShader [Alias('middle_step')] [ComponentModel.DefaultBindingProperty('middle_step')] [Single] $MiddleStep, # Set the end_color of OBSGradientShader [Alias('end_color')] [ComponentModel.DefaultBindingProperty('end_color')] [String] $EndColor, # Set the end_step of OBSGradientShader [Alias('end_step')] [ComponentModel.DefaultBindingProperty('end_step')] [Single] $EndStep, # Set the alpha_percent of OBSGradientShader [Alias('alpha_percent')] [ComponentModel.DefaultBindingProperty('alpha_percent')] [Int32] $AlphaPercent, # Set the pulse_speed of OBSGradientShader [Alias('pulse_speed')] [ComponentModel.DefaultBindingProperty('pulse_speed')] [Int32] $PulseSpeed, # Set the ease of OBSGradientShader [ComponentModel.DefaultBindingProperty('ease')] [Management.Automation.SwitchParameter] $Ease, # Set the rotate_colors of OBSGradientShader [Alias('rotate_colors')] [ComponentModel.DefaultBindingProperty('rotate_colors')] [Management.Automation.SwitchParameter] $RotateColors, # Set the Apply_To_Alpha_Layer of OBSGradientShader [Alias('Apply_To_Alpha_Layer')] [ComponentModel.DefaultBindingProperty('Apply_To_Alpha_Layer')] [Management.Automation.SwitchParameter] $ApplyToAlphaLayer, # Set the Apply_To_Specific_Color of OBSGradientShader [Alias('Apply_To_Specific_Color')] [ComponentModel.DefaultBindingProperty('Apply_To_Specific_Color')] [Management.Automation.SwitchParameter] $ApplyToSpecificColor, # Set the Color_To_Replace of OBSGradientShader [Alias('Color_To_Replace')] [ComponentModel.DefaultBindingProperty('Color_To_Replace')] [String] $ColorToReplace, # Set the horizontal of OBSGradientShader [ComponentModel.DefaultBindingProperty('horizontal')] [Management.Automation.SwitchParameter] $Horizontal, # Set the vertical of OBSGradientShader [ComponentModel.DefaultBindingProperty('vertical')] [Management.Automation.SwitchParameter] $Vertical, # Set the gradient_center_width_percentage of OBSGradientShader [Alias('gradient_center_width_percentage')] [ComponentModel.DefaultBindingProperty('gradient_center_width_percentage')] [Int32] $GradientCenterWidthPercentage, # Set the gradient_center_height_percentage of OBSGradientShader [Alias('gradient_center_height_percentage')] [ComponentModel.DefaultBindingProperty('gradient_center_height_percentage')] [Int32] $GradientCenterHeightPercentage, # Set the notes of OBSGradientShader [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 = 'gradient' $ShaderNoun = 'OBSGradientShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // gradient shader by Charles Fettinger for obs-shaderfilter plugin 3/2019 //https://github.com/Oncorporation/obs-shaderfilter //Converted to OpenGL by Q-mii & Exeldro February 25, 2022 uniform float4 start_color = { 0.1, 0.3, 0.1, 1.0 }; uniform float start_step< string label = "Start step"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.01; > = 0.15; uniform float4 middle_color = { 1.0, 1.0, 1.0, 1.0 }; uniform float middle_step< string label = "Middle step"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.01; > = 0.4; uniform float4 end_color = { 0.75, 0.75, 0.75, 1.0}; uniform float end_step< string label = "End step"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.01; > = 0.9; uniform int alpha_percent< string label = "Alpha percent"; string widget_type = "slider"; int minimum = 0; int maximum = 100; int step = 1; > = 90; uniform int pulse_speed< string label = "Pulse speed"; string widget_type = "slider"; int minimum = 0; int maximum = 100; int step = 1; > = 0; uniform bool ease; uniform bool rotate_colors; uniform bool Apply_To_Alpha_Layer = true; uniform bool Apply_To_Specific_Color; uniform float4 Color_To_Replace; uniform bool horizontal; uniform bool vertical; uniform int gradient_center_width_percentage< string label = "gradient center width percentage"; string widget_type = "slider"; int minimum = 0; int maximum = 100; int step = 1; > = 50; uniform int gradient_center_height_percentage< string label = "gradient center height percentage"; string widget_type = "slider"; int minimum = 0; int maximum = 100; int step = 1; > = 50; uniform string notes< string widget_type = "info"; > = "gradient center items will change the center location. Pulse Speed greater than 0 will animate. Easing seem to be too fast."; float EaseInOutCircTimer(float t, float b, float c, float d) { t /= d / 2; if (t < 1) return -c / 2 * (sqrt(1 - t * t) - 1) + b; t -= 2; return c / 2 * (sqrt(1 - t * t) + 1) + b; } float BlurStyler(float t, float b, float c, float d, bool ease) { if (ease) return EaseInOutCircTimer(t, 0, c, d); return t; } struct gradient { float4 color; float step; }; float4 mainImage(VertData v_in) : TARGET { const float PI = 3.14159265f;//acos(-1); float speed = float(pulse_speed) * 0.01; float alpha = float(alpha_percent) * 0.01; //circular easing variable float t = sin(elapsed_time * speed) * 2 - 1; float b = 0.0; //start value float c = 2.0; //change value float d = 2.0; //duration float2 gradient_center = float2(float(gradient_center_width_percentage) * 0.01,float(gradient_center_height_percentage) * 0.01); float4 color = image.Sample(textureSampler, v_in.uv); float luminance = color.a * 0.299 + color.g * 0.587 + color.b * 0.114; float4 gray = float4(luminance,luminance,luminance, 1); // skip if (alpha is zero and only apply to alpha layer is true) if (!(color.a <= 0.0 && Apply_To_Alpha_Layer == true)) { b = BlurStyler(t, 0, c, d, ease); const int no_colors = 3; float4 s_color = start_color; float4 m_color = middle_color; float4 e_color = end_color; if (rotate_colors) { // get general time number between 0 and 4 float tx = (b + 1) * 2; // 3 steps c1->c2, c2->c3, c3->c1 //when between 0 - 1 only c1 rises then falls if (tx <= 2.0) { s_color = lerp(start_color, middle_color, clamp((min(tx, 2.0) * 0.5) * 2, 0.0, 1.0)); m_color = lerp(middle_color, end_color, clamp((min(tx, 2.0) * 0.5) * 2, 0.0, 1.0)); e_color = lerp(end_color, start_color, clamp((min(tx, 2.0) * 0.5) * 2, 0.0, 1.0)); } if ((tx >= 1.0) && (tx <= 3.0)) { s_color = lerp(middle_color, end_color, clamp(((min(max(1.0, tx), 3.0) - 1) * 0.5) * 2, 0.0, 1.0)); m_color = lerp(end_color, start_color, clamp(((min(max(1.0, tx), 3.0) - 1) * 0.5) * 2, 0.0, 1.0)); e_color = lerp(start_color, middle_color, clamp(((min(max(1.0, tx), 3.0) - 1) * 0.5) * 2, 0.0, 1.0)); } if (tx >= 2.0) { s_color = lerp(end_color, start_color, clamp(((min(2.0, tx) - 2) * 0.5) * 2, 0.0, 1.0)); m_color = lerp(start_color, middle_color, clamp(((min(2.0, tx) - 2) * 0.5) * 2, 0.0, 1.0)); e_color = lerp(middle_color, end_color, clamp(((min(2.0, tx) - 2) * 0.5) * 2, 0.0, 1.0)); } if (tx < 0) { s_color = lerp(end_color, start_color, clamp(abs(max(1.0, tx)) * 2, 0.0, 1.0)); m_color = lerp(start_color, middle_color, clamp(abs(max(1.0, tx)) * 2, 0.0, 1.0)); e_color = lerp(middle_color, end_color, clamp(abs(max(1.0, tx)) * 2, 0.0, 1.0)); } } float4 colors[no_colors]; colors[0] =s_color; colors[1] = m_color; colors[2] = e_color; float step[no_colors]; step[0] = start_step; step[1] = middle_step; step[2] = end_step; float redness = max(min(color.r - color.g, color.r - color.b) / color.r, 0); float greenness = max(min(color.g - color.r, color.g - color.b) / color.g, 0); float blueness = max(min(color.b - color.r, color.b - color.g) / color.b, 0); float dist = distance(v_in.uv, gradient_center); if (horizontal && (vertical == false)) { dist = distance(v_in.uv.y, gradient_center.y); } if (vertical && (horizontal == false)) { dist = distance(v_in.uv.x, gradient_center.x); } float4 col = colors[0]; for (int i = 1; i < no_colors; ++i) { col = lerp(col, colors[i], smoothstep(step[i - 1], step[i], dist)); } col.a = clamp(alpha, 0.0, 1.0); if (Apply_To_Alpha_Layer == false) color.a = alpha; if (Apply_To_Specific_Color) { col.a = alpha; float4 original_color = image.Sample(textureSampler, v_in.uv); col.rgb = (distance(color.rgb, Color_To_Replace.rgb) <= 0.075) ? col.rgb : original_color.rgb; } // result = float4(redness, greenness,blueness,1); //color *= float4(col.r, col.g, col.b, clamp(dot(color, luminance)* alpha, 0.0, 1.0)); //color.rgb += col * alpha; //color.a += clamp(1.0 - alpha, 0.0,1.0); ///color.rgb *= (color.rgb * clamp(1.0- alpha, 0.0, 1.0)) + (col.rgb * clamp(alpha, 0.0, 1.0)); //color = float4(max(color.r, col.r), max(color.g, col.g), max(color.b, col.b), clamp(dot(color, luminance) * alpha, 0.0, 1.0)); color.rgb = lerp(color.rgb, col.rgb, clamp(alpha, 0.0, 1.0)); } return 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 } } } } } |