static void EventInput_MouseButton(object sender, MouseButtonEventArgs e)
{
if(e.State == ButtonState.Pressed) {
if(OnMousePress != null)
OnMousePress(new Vector2(e.X, e.Y), e.Button);
}
else {
if(OnMouseRelease != null)
OnMouseRelease(new Vector2(e.X, e.Y), e.Button);
}
}