public override void HandleInput(InputState input)
{
if (input == null)
throw new ArgumentNullException("input");
KeyboardState keyboardState = input.CurrentKeyboardState;
// The game pauses either if the user presses the pause button, or if
// they unplug the active gamepad. This requires us to keep track of
// whether a gamepad was ever plugged in, because we don't want to pause
// on PC if they are playing with a keyboard and have no gamepad at all!
if (input.IsPauseGame())
{
ScreenManager.AddScreen(new PauseMenuScreen());
}
else
{
// Otherwise move the player position.
Vector2 movement = Vector2.Zero;
if (keyboardState.IsKeyDown(Keys.Left))
movement.X--;
if (keyboardState.IsKeyDown(Keys.Right))
movement.X++;
if (keyboardState.IsKeyDown(Keys.Up))
movement.Y--;
if (keyboardState.IsKeyDown(Keys.Down))
movement.Y++;
if (movement.Length() > 1)
movement.Normalize();
playerPosition += movement * 2;
}
}
