daily update on 20240610 by nitload youmu

源代码/StgSharp/Graphics/CPUanimation/AnimationBuilder.cs

@@ -28,6 +28,8 @@
 //     
 //-----------------------------------------------------------------------
 //-----------------------------------------------------------------------
+using StgSharp.Geometries;
+
 using System;
 using System.Collections.Generic;
 using System.Net;
@@ -35,23 +37,29 @@ using System.Text;
 
 namespace StgSharp.Graphics
 {
+    public delegate Image BuildAnimationDelegate(float time, out Polygon4 texutreFrame);
+
     public sealed class AnimationBuilder: IImageProvider
     {
 
         private Image cache;
-
+        private Polygon4 textureFrame;
         private TimeFunction time;
 
         public AnimationBuilder(
-            Func<float, Image> builderFunc, 
+            BuildAnimationDelegate builderFunc, 
             TimeFunction timeline
             )
         {
+            textureFrame = new Polygon4();
             time = timeline;
             BuilderFunc = builderFunc;
+            cache = BuilderFunc(time.Calculate(), out textureFrame);
         }
 
-        public Func<float, Image> BuilderFunc { get; set; }
+        public Polygon4 TextureFrame { get => textureFrame; }
+
+        public BuildAnimationDelegate BuilderFunc { get; set; }
 
         public bool IsComplete
         {
@@ -62,7 +70,7 @@ namespace StgSharp.Graphics
         {
             if (!time.IsComplete)
             {
-                cache = BuilderFunc(time.Calculate());
+                cache = BuilderFunc(time.Calculate(),out textureFrame);
             }
             return cache;
         }