Initial commit
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ti_mo
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<Window xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:vm="using:DelauneyTriangulation.ViewModels"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:models="using:DelauneyTriangulation.Models"
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mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
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x:Class="DelauneyTriangulation.Views.MainWindow"
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x:DataType="vm:MainWindowViewModel"
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Icon="/Assets/avalonia-logo.ico"
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Title="Delaunay Triangulation"
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SystemDecorations="Full"
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ExtendClientAreaToDecorationsHint="True"
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ExtendClientAreaChromeHints="Default"
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ExtendClientAreaTitleBarHeightHint="32"
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TransparencyLevelHint="AcrylicBlur, Blur, Transparent"
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Background="Transparent"
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Width="{Binding Width}"
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Height="{Binding Height}"
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>
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<Design.DataContext>
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<!-- This only sets the DataContext for the previewer in an IDE,
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to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
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<vm:MainWindowViewModel/>
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</Design.DataContext>
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<Window.Styles>
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<Style Selector="Border.InnerCard">
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<Setter Property="CornerRadius" Value="7.5"/>
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<Setter Property="Background" Value="#30000000"/>
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<Setter Property="BorderBrush" Value="#20FFFFFF"/>
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<Setter Property="BorderThickness" Value="2"/>
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<Setter Property="Padding" Value="10"/>
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<Setter Property="Margin" Value="5"/>
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</Style>
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</Window.Styles>
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<Panel>
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<Grid RowDefinitions="30,*">
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<Border ZIndex="1000" Grid.Row="0" Background="#30000000" PointerPressed="OnTitleBarPointerPressed" DoubleTapped="OnTitleBarDoubleTapped">
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<TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Background="Transparent" Foreground="White" Text="Delaunay Triangulation - Timo Niemann"/>
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</Border>
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<Grid Grid.Row="1" ZIndex="1000" Margin="20">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="*"/>
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</Grid.ColumnDefinitions>
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<Border Classes="InnerCard">
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<Border.Effect>
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<DropShadowEffect BlurRadius="20" Color="#aa000000" OffsetX="5" OffsetY="5"/>
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</Border.Effect>
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<StackPanel Orientation="Vertical">
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<Border Classes="InnerCard">
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<TextBlock Text="Delaunay Triangulation" FontSize="18" Foreground="White"/>
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</Border>
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<Border Classes="InnerCard">
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="4*"/>
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<ColumnDefinition Width="1*"/>
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</Grid.ColumnDefinitions>
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<Slider Grid.Column="0" Value="{Binding PointCount, Mode=TwoWay}" Margin="5" Minimum="20" Maximum="500"/>
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<TextBox Grid.Column="1" Text="{Binding PointCount, Mode=TwoWay}" FontSize="18" Foreground="White" Background="#30ffffff" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>
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</Grid>
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</Border>
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</StackPanel>
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</Border>
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</Grid>
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<Canvas Grid.Row="0" Grid.RowSpan="2"
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x:Name="Scene"
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Background="#dd000000"
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ClipToBounds="True"
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PointerPressed="Scene_OnPointerPressed"
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PointerMoved="Scene_OnPointerMoved"
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PointerReleased="Scene_OnPointerReleased"
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PointerWheelChanged="Scene_OnWheel"
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>
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<Canvas x:Name="SceneContent">
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<Canvas.RenderTransform>
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<TransformGroup>
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<ScaleTransform ScaleX="{Binding Zoom}" ScaleY="{Binding Zoom}"/>
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<TranslateTransform X="{Binding PanX}" Y="{Binding PanY}"/>
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</TransformGroup>
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</Canvas.RenderTransform>
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<ItemsControl ItemsSource="{Binding Edges}">
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<ItemsControl.ItemsPanel>
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<ItemsPanelTemplate><Canvas/></ItemsPanelTemplate>
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</ItemsControl.ItemsPanel>
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<ItemsControl.ItemTemplate>
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<DataTemplate x:DataType="models:Geometries+GeomEdge">
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<Line StartPoint="{Binding Start}"
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EndPoint="{Binding End}"
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Stroke="LightGray"
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StrokeThickness="1"/>
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</DataTemplate>
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</ItemsControl.ItemTemplate>
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</ItemsControl>
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<ItemsControl ItemsSource="{Binding Circles}">
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<ItemsControl.ItemsPanel>
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<ItemsPanelTemplate><Canvas/></ItemsPanelTemplate>
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</ItemsControl.ItemsPanel>
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<ItemsControl.ItemTemplate>
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<DataTemplate x:DataType="models:Geometries+GeomCircle">
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<Ellipse Stroke="Lime" StrokeThickness="1.5"
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Width="{Binding Diameter}"
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Height="{Binding Diameter}"
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Canvas.Left="{Binding Left}"
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Canvas.Top="{Binding Top}"/>
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</DataTemplate>
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</ItemsControl.ItemTemplate>
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</ItemsControl>
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<ItemsControl ItemsSource="{Binding Points}">
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<ItemsControl.ItemsPanel>
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<ItemsPanelTemplate><Canvas/></ItemsPanelTemplate>
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</ItemsControl.ItemsPanel>
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<ItemsControl.ItemTemplate>
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<DataTemplate x:DataType="models:Geometries+GeomPoint">
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<Ellipse Fill="White" Stroke="Black" StrokeThickness="1"
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Width="{Binding Size}"
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Height="{Binding Size}"
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Canvas.Left="{Binding Left}"
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Canvas.Top="{Binding Top}"
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/>
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</DataTemplate>
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</ItemsControl.ItemTemplate>
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</ItemsControl>
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</Canvas>
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</Canvas>
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</Grid>
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</Panel>
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</Window>
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@@ -0,0 +1,69 @@
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Shapes;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Media;
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namespace DelauneyTriangulation.Views;
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public partial class MainWindow : Window
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{
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private bool _isPanning;
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private Point _panStart;
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private Vector _panOffset = new();
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private readonly TranslateTransform _panTransform = new();
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public MainWindow()
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{
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InitializeComponent();
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SceneContent.RenderTransform = _panTransform;
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}
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private void OnTitleBarPointerPressed(object? sender, PointerPressedEventArgs e)
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{
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if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed) return;
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BeginMoveDrag(e);
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}
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private void OnTitleBarDoubleTapped(object? sender, RoutedEventArgs e) => WindowState = WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
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private void Scene_OnPointerPressed(object? sender, PointerPressedEventArgs e)
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{
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if (!e.GetCurrentPoint(Scene).Properties.IsLeftButtonPressed)
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return;
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_isPanning = true;
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_panStart = e.GetPosition(this);
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Scene.Cursor = new Cursor(StandardCursorType.SizeAll);
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e.Handled = true;
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}
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private void Scene_OnPointerMoved(object? sender, PointerEventArgs e)
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{
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if (!_isPanning) return;
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var pos = e.GetPosition(this);
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var delta = pos - _panStart;
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var current = _panOffset + delta;
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_panTransform.X = current.X;
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_panTransform.Y = current.Y;
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e.Handled = true;
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}
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private void Scene_OnPointerReleased(object? sender, PointerReleasedEventArgs e)
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{
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if (!_isPanning) return;
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var pos = e.GetPosition(this);
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var delta = pos - _panStart;
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_panOffset += delta;
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_isPanning = false;
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Scene.Cursor = new Cursor(StandardCursorType.Arrow);
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e.Handled = true;
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}
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private void Scene_OnWheel(object? sender, PointerWheelEventArgs e)
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{
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}
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}
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