Enemies half done

Assets/Scripts/Screenshake.cs

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+using System.Collections;
+using System.Collections.Generic;
+using Cinemachine;
+using UnityEngine;
+
+public static class ScreenShake {
+	static CinemachineVirtualCamera vCam;
+	static ScreenShakeUpdate shakeUpdate;
+
+	class ScreenShakeUpdate : MonoBehaviour {
+		[HideInInspector] public float shakeTimer;
+		[HideInInspector] public float shakeTimerTotal;
+		[HideInInspector] public float startingIntensity;
+
+		void Update() {
+			if (shakeTimer > 0) {
+				shakeTimer -= Time.deltaTime;
+				CinemachineBasicMultiChannelPerlin multiChannelPerlin =
+					vCam.GetCinemachineComponent<CinemachineBasicMultiChannelPerlin>();
+				multiChannelPerlin.m_AmplitudeGain =
+					Mathf.Lerp(startingIntensity, 0f, 1 - (shakeTimer / shakeTimerTotal));
+			}
+		}
+	}
+
+	/// <summary>Shake the camera
+	/// <para>It needs a cinemachine camera with a noise profile in it.</para>
+	/// </summary>
+	public static void Shake(float intensity, float time) {
+		if (vCam == null) {
+			vCam = Camera.main.GetComponent<CinemachineBrain>().ActiveVirtualCamera.VirtualCameraGameObject
+				.GetComponent<CinemachineVirtualCamera>();
+		}
+
+		if (shakeUpdate == null) {
+			shakeUpdate = new GameObject("ShakeUpdate").AddComponent<ScreenShakeUpdate>();
+		}
+
+		shakeUpdate.startingIntensity = intensity;
+		shakeUpdate.shakeTimer = shakeUpdate.shakeTimerTotal = time;
+	}
+}