Mega Code Archive

 

Categories / Silverlight / Graphics

 

Vector Angle Conversion

<UserControl x:Class='SilverlightApplication3.MainPage'     xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'      xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'     xmlns:d='http://schemas.microsoft.com/expression/blend/2008'      xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'      mc:Ignorable='d'      d:DesignWidth='640' d:DesignHeight='480'>     <Canvas x:Name="LayoutRoot" Background="White">         <TextBlock x:Name="msgBlock" Text="text"/>     </Canvas> </UserControl> //File: Page.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; namespace SilverlightApplication3 {     public partial class MainPage : UserControl     {         Point vectorLength = new Point();         double angle;         public MainPage()         {             InitializeComponent();             vectorLength.X = 5;             vectorLength.Y = 5;             double radians = Math.Atan2(vectorLength.Y, vectorLength.X);             angle = Convert.ToInt16(180 / Math.PI * radians);             msgBlock.Text = angle + "";         }     } }