namespace UnityEngine.UI { [DisallowMultipleComponent] [AddComponentMenu("UI/RaycastTarget")] [RequireComponent(typeof(RectTransform))] public class RaycastTarget : Graphic, ICanvasRaycastFilter { private RectTransform m_RectTransform; public new RectTransform rectTransform { get { return m_RectTransform ?? (m_RectTransform = GetComponent()); } } protected override void OnPopulateMesh(VertexHelper toFill) { toFill.Clear(); } public bool IsRaycastLocationValid(Vector2 sp, Camera eventCamera) { return true; } } }