| private static GetPointOnRectEdge ( RectTransform rect, System.Vector2 dir ) : System.Vector3 | ||
| rect | RectTransform | |
| dir | System.Vector2 | |
| return | System.Vector3 | |
private static Vector3 GetPointOnRectEdge(RectTransform rect, Vector2 dir)
{
if (rect == null)
{
return Vector3.zero;
}
if (dir != Vector2.zero)
{
dir = (Vector2) (dir / Mathf.Max(Mathf.Abs(dir.x), Mathf.Abs(dir.y)));
}
dir = rect.rect.center + Vector2.Scale(rect.rect.size, (Vector2) (dir * 0.5f));
return (Vector3) dir;
}
public Selectable FindSelectable(Vector3 dir)
{
dir = dir.normalized;
Vector3 v = Quaternion.Inverse(base.transform.rotation) * dir;
Vector3 b = base.transform.TransformPoint(Selectable.GetPointOnRectEdge(base.transform as RectTransform, v));
float num = float.NegativeInfinity;
Selectable result = null;
for (int i = 0; i < Selectable.s_List.Count; i++)
{
Selectable selectable = Selectable.s_List[i];
if (!(selectable == this) && !(selectable == null))
{
if (selectable.IsInteractable() && selectable.navigation.mode != Navigation.Mode.None)
{
RectTransform rectTransform = selectable.transform as RectTransform;
Vector3 position = (!(rectTransform != null)) ? Vector3.zero : rectTransform.rect.center;
Vector3 rhs = selectable.transform.TransformPoint(position) - b;
float num2 = Vector3.Dot(dir, rhs);
if (num2 > 0f)
{
float num3 = num2 / rhs.sqrMagnitude;
if (num3 > num)
{
num = num3;
result = selectable;
}
}
}
}
}
return(result);
}
