private void KeyboardKeyDown(object sender, KeyboardKeyEventArgs e)
{
switch (e.Key)
{
case Key.Escape:
Close();
break;
case Key.Keypad1:
_lightning.Position = Vector4.Add(_lightning.Position,
new Vector4(0, 0, 0, _lightning.Position.W == 0f ? 1 : -1));
break;
case Key.Keypad2:
_lightning.IsAttenuationEnabled = !_lightning.IsAttenuationEnabled;
break;
case Key.Keypad3:
if (GL.IsEnabled(EnableCap.Fog))
{
_fog.Disable();
}
else
{
_fog.Enable();
}
break;
}
}
