private void OnMouseMove(MouseMoveEventArgs ev)
{
if (_window.IsMouseButtonDown(MouseButton.Right))
{
_graph.IsCameraAutoControlled = false;
var delta = ev.Delta;
delta.Y = -delta.Y;
_graph.Camera.Target.Position += (delta / _window.ClientSize.Y) * _graph.Camera.Target.VerticalSize;
}
if (_window.IsMouseButtonDown(MouseButton.Left))
{
var p = ClientToView(ev.Position);
var r = new Box2(p, p);
r.Inflate(_mouseDownStartPt);
_graph.DragRectangle = r;
}
_graph.ViewportWidth = _window.ClientSize.X;
_graph.ViewportHeight = _window.ClientSize.Y;
_graph.MousePosition = ClientToView(ev.Position);
if (_graph.TryGetMouseover(ClientToView(ev.Position), out var targetPt))
{
_graph.MouseoverTarget = targetPt;
}
else
{
_graph.MouseoverTarget = default;
}
}