internal protected override bool PartialHitTest(ref HitTestArgs args)
{
if (Widget == null)
{
return(false);
}
var plane = GetPlane();
var ray = args.Ray;
var distance = ray.Intersects(plane);
if (distance.HasValue && distance <= args.Distance)
{
var oldPoint = args.Point;
try {
args.Point = (Vector2)GlobalTransform.CalcInverted().TransformVector(ray.Position + ray.Direction * distance.Value) * new Vector2(1, -1);
Widget.RenderChainBuilder?.AddToRenderChain(renderChain);
if (renderChain.HitTest(ref args))
{
args.Distance = distance.Value;
return(true);
}
} finally {
args.Point = oldPoint;
renderChain.Clear();
}
}
return(false);
}