小问题修复，优化切割手感

Assets/Scripts/FixSystemNew/BodyModule/GearFollower.cs

@@ -410,10 +410,21 @@ public class GearFollower : MonoBehaviour
         Vector2 toMouse = (mousePos - from).normalized;
         float angle = Vector2.SignedAngle(forward, toMouse);
 
-        if (Mathf.Abs(angle) > 120f)
+        // 优化：计算当前段的角度，判断是否为尖角
+        int prevIndex = WrapIndex(currentEdgeIndex - tractionDirection);
+        Vector2 prevPoint = edgePoints[prevIndex];
+        Vector2 prevSegment = (from - prevPoint).normalized;
+        float segmentAngle = Vector2.Angle(prevSegment, forward);
+        bool isSharpCorner = segmentAngle > 60f; // 夹角大于60度认为是尖角
+
+        // 动态调整方向切换阈值和冷却时间
+        float switchAngleThreshold = isSharpCorner ? 90f : 120f;
+        float currentCooldown = isSharpCorner ? 0.05f : directionSwitchCooldown;
+
+        if (Mathf.Abs(angle) > switchAngleThreshold)
         {
             directionSwitchTimer += Time.deltaTime;
-            if (directionSwitchTimer > directionSwitchCooldown)
+            if (directionSwitchTimer > currentCooldown)
             {
                 tractionDirection *= -1;
                 directionSwitchTimer = 0f;
@@ -433,7 +444,9 @@ public class GearFollower : MonoBehaviour
         Vector2 moveDir = (targetPoint - gearPos);
         float distance = moveDir.magnitude;
 
-        float maxStep = tractionSpeed * Time.deltaTime;
+        // 动态调整牵引速度：在尖角处提速
+        float speedMultiplier = isSharpCorner ? 1.5f : 1.0f;
+        float maxStep = tractionSpeed * speedMultiplier * Time.deltaTime;
 
         if (distance <= maxStep)
         {