优化算法

2025-05-17 01:49:05 +08:00
parent 4608886f5f
commit 5ba424eee1
1 changed files with 27 additions and 8 deletions
@@ -96,6 +96,9 @@ public class GearFollower : MonoBehaviour
        }
    }

+    private float directionSwitchCooldown = 0.2f;
+    private float directionSwitchTimer = 0f;
+
    private void UpdateTractionState(Vector2 mousePos)
    {
        Vector2 gearPos = transform.position;
@@ -116,15 +119,30 @@ public class GearFollower : MonoBehaviour
        Vector2 from = edgePoints[currentEdgeIndex];
        Vector2 to = edgePoints[nextIndex];

-        // 判断鼠标是否在当前前进方向上，否则允许换方向
-        float forwardDot = Vector2.Dot((to - from).normalized, (mousePos - from).normalized);
-        if (forwardDot < 0) // 鼠标在反方向
+        // 方向判断优化：使用角度判断是否反方向
+        Vector2 forward = (to - from).normalized;
+        Vector2 toMouse = (mousePos - from).normalized;
+        float angle = Vector2.SignedAngle(forward, toMouse); // -180 ~ 180
+
+        // 当角度大于120度，说明鼠标方向明显是反的
+        if (Mathf.Abs(angle) > 120f)
        {
-            // 允许方向切换
-            tractionDirection *= -1;
-            nextIndex = WrapIndex(currentEdgeIndex + tractionDirection);
-            from = edgePoints[currentEdgeIndex];
-            to = edgePoints[nextIndex];
+            directionSwitchTimer += Time.deltaTime;
+            if (directionSwitchTimer > directionSwitchCooldown)
+            {
+                tractionDirection *= -1;
+                directionSwitchTimer = 0f;
+
+                // 更新前进段
+                nextIndex = WrapIndex(currentEdgeIndex + tractionDirection);
+                from = edgePoints[currentEdgeIndex];
+                to = edgePoints[nextIndex];
+                forward = (to - from).normalized;
+            }
+        }
+        else
+        {
+            directionSwitchTimer = 0f;
        }

        Vector2 targetPoint = GetClosestPointOnSegment(from, to, mousePos);
@@ -149,6 +167,7 @@ public class GearFollower : MonoBehaviour
        }
    }

+
    private int FindNearestEdgePointIndex(Vector2 pos, out float minDist)
    {
        int nearestIndex = 0;