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Packages/Common~/Extensions/FPS/BITKit.FPS.asmdef

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+{
+    "name": "BITKit.FPS",
+    "rootNamespace": "",
+    "references": [
+        "GUID:14fe60d984bf9f84eac55c6ea033a8f4",
+        "GUID:9400d40641bab5b4a9702f65bf5c6eb5"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Packages/Common~/Extensions/FPS/BITKit.FPS.asmdef.meta

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Packages/Common~/Extensions/FPS/Recoil.cs

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+/* using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+namespace BITKit.FPS
+{
+    public class Recoil : MonoBehaviour
+    {
+        SpringEulerAngle recoilTarget;
+        public float damp = 20;
+        public float frequence = 15;
+        void Awake()
+        {
+            recoilTarget = new SpringEulerAngle(damp, frequence);
+        }
+
+        // Update is called once per frame
+        void FixedUpdate()
+        {
+            recoilTarget.Update(Time.deltaTime, Vector3.zero);
+            transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.Euler(recoilTarget.value), 0.75f);  //这里使用一个较大的插值数字以实现枪口的迅速抬升
+        }
+
+        void Update()
+        {
+            if (Input.GetMouseButtonDown(0))
+            {
+                recoilTarget.value = new Vector3(Random.Range(-20, 0), Random.Range(-3, 3), 0); //这里做一个随机偏移来模拟后坐力。
+            }
+        }
+    }
+} */

Packages/Common~/Extensions/FPS/Recoil.cs.meta

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Packages/Common~/Extensions/FPS/Spring3.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+namespace BITKit.FPS
+{ 
+    public class Spring3
+    {
+        public Vector3 value = Vector2.zero;
+        private Vector3 dampValue = Vector2.zero;
+        private float damp = 1;
+        private float frequence = 1;
+        public void Clear()
+        {
+            value = Vector2.zero;
+            dampValue = Vector2.zero;
+        }
+        public Spring3(float damp, float frequence)
+        {
+            this.damp = damp;
+            this.frequence = frequence;
+        }
+        public void Update(float deltaTime, Vector3 target)
+        {
+            value -= dampValue * deltaTime * frequence;
+            dampValue = Vector3.Lerp(dampValue, value - target, deltaTime * damp);
+        }
+    }
+}

Packages/Common~/Extensions/FPS/Spring3.cs.meta

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Packages/Common~/Extensions/FPS/SpringEulerAngle.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace BITKit
+{
+    [System.Serializable]
+    public class SpringEulerAngle
+    {
+        public float damp = 20;
+        public float frequence = 15;
+        [HideInInspector]
+        public Vector3 value = Vector2.zero;
+        Vector3 dampValue = Vector2.zero;
+
+
+        public void Clear()
+        {
+            value = Vector2.zero;
+            dampValue = Vector2.zero;
+        }
+
+        public void Update(float deltaTime, Vector3 target)
+        {
+            value -= dampValue * deltaTime * frequence;
+            dampValue = eulerLerp(dampValue, value - target, deltaTime * damp);
+        }
+        public static Vector3 eulerLerp(Vector3 left, Vector3 right, float t)
+        {
+            Vector3 ret;
+            ret.x = Mathf.LerpAngle(left.x, right.x, t);
+            ret.y = Mathf.LerpAngle(left.y, right.y, t);
+            ret.z = Mathf.LerpAngle(left.z, right.z, t);
+            return ret;
+        }
+    }
+}

Packages/Common~/Extensions/FPS/SpringEulerAngle.cs.meta

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