init

Assets/Scripts/ScreenshakeHandler.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Cinemachine;
+
+public class ScreenshakeHandler : MonoBehaviour{
+
+    [SerializeField] private CinemachineVirtualCamera cam;
+    private static CinemachineBasicMultiChannelPerlin noise;
+
+    private static float timer = 0;
+
+    void Start(){
+        noise = cam.GetCinemachineComponent<CinemachineBasicMultiChannelPerlin>();
+    }
+
+    void Update(){
+        timer -= Time.deltaTime;
+        if (timer <= 0){
+            timer = 0;
+            noise.m_AmplitudeGain = 0;
+            noise.m_FrequencyGain = 0;
+        }
+
+    }
+
+    public static void AddScreenShake(float amplitude, float frequency, float duration){
+        //Prevents small shakes from overriding big ones
+        if (amplitude < noise.m_AmplitudeGain || frequency < noise.m_FrequencyGain) return;
+
+        noise.m_AmplitudeGain = amplitude;
+        noise.m_FrequencyGain = frequency;
+        timer = duration;
+    }
+}