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[Examples] Test mouse input under heavy load

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This commit is contained in:
thefiddler 2014-04-01 09:49:56 +02:00
parent 74cff79d64
commit 985aca3752
1 changed files with 41 additions and 10 deletions
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51
Source/Examples/OpenTK/Test/BasicMouseInput.cs
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@ -23,33 +23,43 @@ namespace Examples.Tests
[Example("Basic Mouse Input", ExampleCategory.OpenTK,"Basic Mouse Input")]
public class BasicMouseInput : GameWindow
{
List<Vector2> lines = new List<Vector2>();
public BasicMouseInput()
: base(800, 600)
{ }
{
Mouse.Move += (sender, e) =>
{
if (Mouse[MouseButton.Left])
{
// Scale mouse coordinates from
// (0, 0):(Width, Height) to
// (-1, -1):(+1, +1)
// Note, we must flip the y-coordinate
// since mouse is reported with (0, 0)
// at top-left and our projection uses
// (-1, -1) at bottom left.
float x = (e.X - Width) / (float)Width;
float y = (Height- e.Y) / (float)Height;
lines.Add(new Vector2(2 * x + 1, 2 * y - 1));
}
};
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
this.Mouse.ButtonUp += (object sender, MouseButtonEventArgs buttonEvent) => {
Console.WriteLine("Mouse button up: " + buttonEvent.Button + " at: " + buttonEvent.Position);
};
GL.ClearColor(Color.MidnightBlue);
GL.Enable(EnableCap.DepthTest);
}
protected override void OnUpdateFrame(FrameEventArgs e)
{
base.OnUpdateFrame(e);
// Here's the big test!
if(OpenTK.Input.Mouse.GetState()[MouseButton.Left]){
Console.WriteLine("The left mouse button is down!");
}
// While we are here, test keyboard.
if(OpenTK.Input.Keyboard.GetState()[Key.A]){
Console.WriteLine("The A key is down!");
@ -65,11 +75,32 @@ namespace Examples.Tests
WindowState = WindowState.Normal;
}
protected override void OnRenderFrame(FrameEventArgs e)
{
GL.ClearColor(Color.MidnightBlue);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(ClientRectangle);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(-1, 1, -1, 1, -1, 1);
GL.Begin(PrimitiveType.LineStrip);
foreach (var p in lines)
{
GL.Color4(Color.White);
GL.Vertex2(p);
}
GL.End();
SwapBuffers();
if (Keyboard[Key.Space])
{
// Simulate high load (4 fps) to check
// mouse input behavior
System.Threading.Thread.Sleep(250);
}
}
[STAThread]