| private static GetPointOnRectEdge ( RectTransform rect, System.Vector2 dir ) : System.Vector3 | ||
| rect | RectTransform | |
| dir | System.Vector2 | |
| return | System.Vector3 | |
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);
}
/// <summary>
/// <para>Finds the selectable object next to this one.</para>
/// </summary>
/// <param name="dir">The direction in which to search for a neighbouring Selectable object.</param>
/// <returns>
/// <para>The neighbouring Selectable object. Null if none found.</para>
/// </returns>
public Selectable FindSelectable(Vector3 dir)
{
dir = dir.normalized;
Vector3 vector3 = this.transform.TransformPoint(Selectable.GetPointOnRectEdge(this.transform as RectTransform, (Vector2)(Quaternion.Inverse(this.transform.rotation) * dir)));
float num1 = float.NegativeInfinity;
Selectable selectable1 = (Selectable)null;
for (int index = 0; index < Selectable.s_List.Count; ++index)
{
Selectable selectable2 = Selectable.s_List[index];
if (!((UnityEngine.Object)selectable2 == (UnityEngine.Object) this) && !((UnityEngine.Object)selectable2 == (UnityEngine.Object)null) && selectable2.IsInteractable() && selectable2.navigation.mode != Navigation.Mode.None)
{
RectTransform transform = selectable2.transform as RectTransform;
Vector3 position = !((UnityEngine.Object)transform != (UnityEngine.Object)null) ? Vector3.zero : (Vector3)transform.rect.center;
Vector3 rhs = selectable2.transform.TransformPoint(position) - vector3;
float num2 = Vector3.Dot(dir, rhs);
if ((double)num2 > 0.0)
{
float num3 = num2 / rhs.sqrMagnitude;
if ((double)num3 > (double)num1)
{
num1 = num3;
selectable1 = selectable2;
}
}
}
}
return(selectable1);
}
