1.解决了Track面向的问题2.新增Surface类型的Spline渲染器3.新增with后缀表达式

Assets/Scripts/MoreSpline/SplineSurfaceRenderer.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections;
+using Convention;
+using Dreamteck.Splines;
+using UnityEngine;
+
+namespace Demo.Game
+{
+    public class SplineSurfaceRenderer : BasicSplineRenderer<SurfaceGenerator>
+    {
+        public static SplineTrackRenderer Make()
+        {
+            return new GameObject().AddComponent<SplineTrackRenderer>();
+        }
+
+        public override IEnumerator LoadScript(string script)
+        {
+            MyLineMaterial = Resources.Load<Material>("Line/Default");
+            yield return base.LoadScript(script);
+        }
+    }
+}