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Assets/Plugins/Le Tai's Asset/TranslucentImage/Script/TranslucentImageMeshEffect.cs

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+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Serialization;
+using UnityEngine.UI;
+#if UNITY_EDITOR
+using UnityEditor;
+
+#endif
+
+namespace LeTai.Asset.TranslucentImage
+{
+    public partial class TranslucentImage
+    {
+        [Tooltip("Blend between the sprite and background blur")]
+        [Range(0, 1)]
+        [FormerlySerializedAs("spriteBlending")]
+        public float m_spriteBlending = .65f;
+
+        public float spriteBlending
+        {
+            get => m_spriteBlending;
+            set
+            {
+                m_spriteBlending = value;
+                SetVerticesDirty();
+            }
+        }
+
+        public virtual void ModifyMesh(VertexHelper vh)
+        {
+            List<UIVertex> vertices = new List<UIVertex>();
+            vh.GetUIVertexStream(vertices);
+
+            for (var i = 0; i < vertices.Count; i++)
+            {
+                UIVertex moddedVertex = vertices[i];
+                moddedVertex.uv1 = new Vector2(spriteBlending,
+                                               0 //No use for this yet
+                                              );
+                vertices[i] = moddedVertex;
+            }
+
+            vh.Clear();
+            vh.AddUIVertexTriangleStream(vertices);
+        }
+
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            SetVerticesDirty();
+#if UNITY_EDITOR
+            if (!EditorApplication.isPlayingOrWillChangePlaymode)
+            {
+                Start();
+            }
+#endif
+        }
+
+        protected override void OnDisable()
+        {
+            SetVerticesDirty();
+            base.OnDisable();
+        }
+
+        protected override void OnDidApplyAnimationProperties()
+        {
+            SetVerticesDirty();
+            base.OnDidApplyAnimationProperties();
+        }
+
+        public virtual void ModifyMesh(Mesh mesh)
+        {
+            using (var vh = new VertexHelper(mesh))
+            {
+                ModifyMesh(vh);
+                vh.FillMesh(mesh);
+            }
+        }
+    }
+}