1.修复一些错误2.准备专门提供基于距离的spline3.tracydll存在崩溃问题

Assets/Scripts/MoreSpline/PointBaseRenderer/SplineSurfaceRenderer.cs

@@ -0,0 +1,21 @@
+using Dreamteck.Splines;
+using System.Collections;
+using UnityEngine;
+
+namespace Demo.Game
+{
+    public class SplineSurfaceRenderer : BasicSplineRenderer<SurfaceGenerator>
+    {
+        public static SplineSurfaceRenderer Make()
+        {
+            return new GameObject().AddComponent<SplineSurfaceRenderer>();
+        }
+
+        protected override IEnumerator DoSomethingDuringApplyScript()
+        {
+            if (MyDefaultMaterial == null)
+                MyDefaultMaterial = StaticCacheDefaultMaterial;
+            yield return base.DoSomethingDuringApplyScript();
+        }
+    }
+}