Added gun shoot event and recoil

3D FPS/Assets/Scripts/Gun.cs

@@ -0,0 +1,51 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+public class Gun : MonoBehaviour
+{
+    public UnityEvent onGunShoot;
+    public float fireCoolDown;
+    public bool automatic;
+    
+
+    private float currentCooldown;
+
+
+    void Start()
+    {
+        currentCooldown = fireCoolDown;
+    }
+
+
+    void Update()
+    {
+        if(automatic)
+        {
+            if(Input.GetMouseButton(0))
+            {
+                if(currentCooldown <= 0f)
+                {
+                    //if not null (?)
+                    onGunShoot?.Invoke();
+                    currentCooldown = fireCoolDown;
+                }
+            }
+        }
+        else 
+        {
+            if(Input.GetMouseButtonDown(0))
+            {
+                if(currentCooldown <= 0f)
+                {
+                    //if not null (?)
+                    onGunShoot?.Invoke();
+                    currentCooldown = fireCoolDown;
+                }
+            }
+        }
+
+        currentCooldown -= Time.deltaTime;
+    }
+}

3D FPS/Assets/Scripts/Gun.cs.meta

@@ -0,0 +1,11 @@
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+  defaultReferences: []
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3D FPS/Assets/Scripts/GunRecoil.cs

@@ -0,0 +1,39 @@
+using System.Collections;
+using System.Collections.Generic;
+using Unity.PlasticSCM.Editor.WebApi;
+using UnityEngine;
+
+public class GunRecoil : MonoBehaviour
+{
+    public Transform gunTransform;
+    public float recoilDistance = 0.1f;
+    public float recoilRotation = 5f;
+    public float recoilSpeed = 10f;
+    public float recoverySpeed = 5f;
+
+    private Vector3 gunCurrPos;
+    private Vector3 gunOriginalPos;
+    private Quaternion originalRotation;
+    private Vector3 currentRecoilRotation;
+
+    void Start()
+    {
+        gunOriginalPos = gunTransform.localPosition;
+        originalRotation = gunTransform.localRotation;
+    }
+
+    void Update()
+    {
+        gunCurrPos = Vector3.Lerp(gunCurrPos, Vector3.zero, Time.deltaTime * recoverySpeed);
+        currentRecoilRotation = Vector3.Lerp(currentRecoilRotation, Vector3.zero, Time.deltaTime * recoverySpeed);
+
+        gunTransform.localPosition = gunOriginalPos + gunCurrPos;
+        gunTransform.localRotation = originalRotation * Quaternion.Euler(currentRecoilRotation);
+    }
+
+    public void ApplyRecoil()
+    {
+        gunCurrPos += new Vector3(0, 0, -recoilDistance);
+        currentRecoilRotation += new Vector3(-recoilRotation, Random.Range(-recoilRotation / 2, recoilRotation / 2), 0);
+    }
+}

3D FPS/Assets/Scripts/GunRecoil.cs.meta

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3D FPS/Assets/Scripts/PlayerMovement.cs

@@ -10,6 +10,7 @@ public class PlayerMovement : MonoBehaviour
     public float gravity = -9.81f;
     public float jumpHeight = 3f;
 
+
     public Transform groundCheck;
     public float groundDistance = 0.4f;
     public LayerMask groundMask;