From cf08ddbdb8f2a353188d2df16df47f49ac2b414f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 29 Jul 2021 17:12:24 +0800
Subject: =?UTF-8?q?*=20rootmotion=E8=AE=A1=E7=AE=97=E4=BF=AE=E6=94=B9?=
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---
 Assets/Scripts/Unit/RootMotion/RootMotionData.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'Assets/Scripts/Unit')

diff --git a/Assets/Scripts/Unit/RootMotion/RootMotionData.cs b/Assets/Scripts/Unit/RootMotion/RootMotionData.cs
index 4fe2db97..84a42ec1 100644
--- a/Assets/Scripts/Unit/RootMotion/RootMotionData.cs
+++ b/Assets/Scripts/Unit/RootMotion/RootMotionData.cs
@@ -26,4 +26,17 @@ public class RootMotionData : ScriptableObject
         return Vector3.Lerp(positionList[prevFrame], positionList[nextFrame], t);
     }
 
+    /// <summary>
+    /// 返回移动量，加到当前position上
+    /// </summary>
+    /// <param name="prevTime">上一次计算root motion的单位时间</param>
+    /// <param name="curTime">本次取root motion的时间</param>
+    /// <returns></returns>
+    public Vector3 GetRootMotionDistance(float prevTime,  float curTime)
+    {
+        Vector3 p1 = GetRootMotion(prevTime);
+        Vector3 p2 = GetRootMotion(curTime);
+        return p2 - p1;
+    }
+
 }
-- 
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