1 files changed, 74 insertions, 0 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/BaseMeshEffect.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/BaseMeshEffect.cs
new file mode 100644
index 0000000..aac679d
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/BaseMeshEffect.cs
@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine.EventSystems;
+
+namespace UnityEngine.UI
+{
+    [Obsolete("Use BaseMeshEffect instead", true)]
+    public abstract class BaseVertexEffect
+    {
+        [Obsolete("Use BaseMeshEffect.ModifyMeshes instead", true)] //We can't upgrade automatically since the signature changed.
+        public abstract void ModifyVertices(List<UIVertex> vertices);
+    }
+
+    // 关键在于实现IMeshModifier接口，自己写效果，不一定要继承这个类
+    [ExecuteInEditMode]
+    public abstract class BaseMeshEffect : UIBehaviour, IMeshModifier
+    {
+        [NonSerialized]
+        private Graphic m_Graphic;
+
+        protected Graphic graphic
+        {
+            get
+            {
+                if (m_Graphic == null)
+                    m_Graphic = GetComponent<Graphic>();
+
+                return m_Graphic;
+            }
+        }
+
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            if (graphic != null)
+                graphic.SetVerticesDirty();
+        }
+
+        protected override void OnDisable()
+        {
+            if (graphic != null)
+                graphic.SetVerticesDirty();
+            base.OnDisable();
+        }
+
+        protected override void OnDidApplyAnimationProperties()
+        {
+            if (graphic != null)
+                graphic.SetVerticesDirty();
+            base.OnDidApplyAnimationProperties();
+        }
+
+#if UNITY_EDITOR
+        protected override void OnValidate()
+        {
+            base.OnValidate();
+            if (graphic != null)
+                graphic.SetVerticesDirty();
+        }
+
+#endif
+
+        public virtual void ModifyMesh(Mesh mesh)
+        {
+            using (var vh = new VertexHelper(mesh))
+            {
+                ModifyMesh(vh);
+                vh.FillMesh(mesh);
+            }
+        }
+
+        public abstract void ModifyMesh(VertexHelper vh);
+    }
+}