Added Box2D

external/Box2D-2.3.1/Contributions/Platforms/TestBed.Net/MainWindow.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+using Tao.OpenGl;
+using Box2D.Net;
+using System.Reflection;
+
+namespace TestBed.Net
+{
+    public partial class MainWindow : Form
+    {
+        private Settings Settings = new Settings();
+        private Test mCurrentTest;
+        public Test CurrentTest
+        {
+            get
+            {
+                return mCurrentTest;
+            }
+
+            set
+            {
+                //Call code to reset current test
+                mCurrentTest = value;
+            }
+        }
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            
+            //Find all Tests in this module
+            foreach (Type type in Assembly.GetExecutingAssembly().GetExportedTypes())
+            {
+                Test test = new Test();
+                if (type.IsSubclassOf(test.GetType()))
+                {
+                    TestsComboBox.Items.Add(System.Activator.CreateInstance(type));
+                }
+            }
+            TestsComboBox.SelectedIndex = 0;
+            CurrentTest = (Test)System.Activator.CreateInstance(TestsComboBox.SelectedItem.GetType());
+
+            OpenGLControl.Dock = DockStyle.Fill;
+        }
+
+        private void MainWindow_Load(object sender, EventArgs e)
+        {
+            OpenGLControl.InitializeContexts();
+            panel1.Dock = DockStyle.Fill;
+            panel2.Dock = DockStyle.Right;
+            MainWindow_Resize(null, null);
+            RedrawTimer.Interval = (int)(1000.0f / (float)Settings.Hz);
+            RedrawTimer.Start();
+        }   
+
+        private void MainWindow_Resize(object sender, EventArgs e)
+        {
+            Size size = new Size(OpenGLControl.Size.Width - panel2.Width, OpenGLControl.Size.Height);
+            Renderer.InitOpenGL(size, CurrentTest.Zoom, CurrentTest.ViewOffset);
+            Renderer.OpenGLDraw(CurrentTest);
+        }
+
+        private void OpenGLControl_Paint(object sender, PaintEventArgs e)
+        {
+            Renderer.OpenGLDraw(CurrentTest);
+        }
+
+        private Vector RelativeCoordinates(Point MousePoint)
+        {
+            float Height = (float)OpenGLControl.Size.Height;
+            float Width = (float)(OpenGLControl.Size.Width - panel2.Width);
+            if(Height <= 0)
+                Height = 1;
+
+            float AspectRatio = Width / Height;
+
+            Vector relative = new Vector(
+                (float)MousePoint.X / Width,
+                (float)MousePoint.Y / Height);
+
+            relative -= new Vector(.5f, .5f);
+            relative *= 2;
+            relative.Y *= -1;
+            relative.X *= AspectRatio;
+            return relative;
+        }
+
+        private void OpenGLControl_MouseMove(object sender, MouseEventArgs e)
+        {
+            CurrentTest.MouseMove(RelativeCoordinates(e.Location));
+        }
+
+        private void OpenGLControl_MouseUp(object sender, MouseEventArgs e)
+        {
+            CurrentTest.MouseUp(RelativeCoordinates(e.Location));
+        }
+
+        private void OpenGLControl_MouseDown(object sender, MouseEventArgs e)
+        {
+            CurrentTest.MouseDown(RelativeCoordinates(e.Location));
+        }
+
+        private void RedrawTimer_Tick(object sender, EventArgs e)
+        {
+            CurrentTest.Step(Settings);
+            Renderer.OpenGLDraw(CurrentTest);
+            OpenGLControl.Draw();
+
+            int errorCode = 0;
+            if ((errorCode = Gl.glGetError()) > 0)
+            {
+                RedrawTimer.Stop();
+
+                //Handled by the OpenGLControl
+                //MessageBox.Show(Glu.gluErrorString(errorCode));
+            }
+        }
+
+        private void OpenGLControl_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
+        {
+            if(e.KeyCode == Keys.R)
+                CurrentTest = (Test)System.Activator.CreateInstance(CurrentTest.GetType());
+            else
+                CurrentTest.KeyPress(e.KeyCode);
+        }
+    }
+}