1 files changed, 48 insertions, 0 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/BaseRaycaster.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/BaseRaycaster.cs
new file mode 100644
index 0000000..d58c358
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/BaseRaycaster.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+
+namespace UnityEngine.EventSystems
+{
+    public abstract class BaseRaycaster : UIBehaviour
+    {
+        public abstract void Raycast(PointerEventData eventData, List<RaycastResult> resultAppendList);
+        public abstract Camera eventCamera { get; }
+
+        [Obsolete("Please use sortOrderPriority and renderOrderPriority", false)]
+        public virtual int priority
+        {
+            get { return 0; }
+        }
+
+        public virtual int sortOrderPriority
+        {
+            get { return int.MinValue; }
+        }
+
+        public virtual int renderOrderPriority
+        {
+            get { return int.MinValue; }
+        }
+
+        public override string ToString()
+        {
+            return "Name: " + gameObject + "\n" +
+                "eventCamera: " + eventCamera + "\n" +
+                "sortOrderPriority: " + sortOrderPriority + "\n" +
+                "renderOrderPriority: " + renderOrderPriority;
+        }
+
+        // 只要是继承了BaseRaycaster的都会自动加到raycaster的列表里面
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            RaycasterManager.AddRaycaster(this);
+        }
+
+        protected override void OnDisable()
+        {
+            RaycasterManager.RemoveRaycasters(this);
+            base.OnDisable();
+        }
+    }
+}