Add camera shake on protagonist hit. (#454)

* Add camera shake on protagonist hit.

* add cam shake on critters hit

UOP1_Project/Assets/Prefabs/Gameplay/CameraSystem.prefab

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UOP1_Project/Assets/ScriptableObjects/StateMachine/Critters/PlantCritter/States/GettingHit.asset

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UOP1_Project/Assets/ScriptableObjects/StateMachine/Critters/SlimeRockCritter/States/GettingHit.asset

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UOP1_Project/Assets/ScriptableObjects/StateMachine/Protagonist/States/GettingHit.asset

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UOP1_Project/Assets/Scripts/Camera/CameraManager.cs

 	public InputReader inputReader;
 	public Camera mainCamera;
 	public CinemachineFreeLook freeLookVCam;
+	public CinemachineImpulseSource impulseSource;
 	private bool _isRMBPressed;
 
 	[SerializeField, Range(.5f, 3f)]
 	[Header("Listening on channels")]
 	[Tooltip("The CameraManager listens to this event, fired by objects in any scene, to adapt camera position")]
 	[SerializeField] private TransformEventChannelSO _frameObjectChannel = default;
+	[Tooltip("The CameraManager listens to this event, fired by protagonist GettingHit state, to shake camera")]
+	[SerializeField] private VoidEventChannelSO _camShakeEvent = default;
 
 
 	private bool _cameraMovementLock = false;
 
 		if (_frameObjectChannel != null)
 			_frameObjectChannel.OnEventRaised += OnFrameObjectEvent;
+
+		if (_camShakeEvent != null)
+			_camShakeEvent.OnEventRaised += () => impulseSource.GenerateImpulse();
 
 		_cameraTransformAnchor.Transform = mainCamera.transform;
 	}

UOP1_Project/Assets/ScriptableObjects/Events/Camera.meta

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UOP1_Project/Assets/ScriptableObjects/StateMachine/Protagonist/Actions/ShakeCamAction.asset

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+  m_Name: ShakeCamAction
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UOP1_Project/Assets/ScriptableObjects/StateMachine/Protagonist/Actions/ShakeCamAction.asset.meta

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UOP1_Project/Assets/Scripts/Characters/StateMachine/Actions/ShakeCamActionSO.cs

+using UnityEngine;
+using UOP1.StateMachine;
+using UOP1.StateMachine.ScriptableObjects;
+
+[CreateAssetMenu(fileName = "ShakeCamAction", menuName = "State Machines/Actions/Shake Cam Action")]
+public class ShakeCamActionSO : StateActionSO
+{
+	public VoidEventChannelSO camShakeEvent;
+	protected override StateAction CreateAction() => new ShakeCamAction();
+}
+
+public class ShakeCamAction : StateAction
+{
+	protected new ShakeCamActionSO OriginSO => (ShakeCamActionSO)base.OriginSO;
+
+	public override void Awake(StateMachine stateMachine)
+	{
+	}
+	
+	public override void OnUpdate()
+	{
+	}
+	
+	public override void OnStateEnter()
+	{
+		OriginSO.camShakeEvent.RaiseEvent();
+	}
+	
+	public override void OnStateExit()
+	{
+	}
+}

UOP1_Project/Assets/Scripts/Characters/StateMachine/Actions/ShakeCamActionSO.cs.meta

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UOP1_Project/Assets/ScriptableObjects/Events/Camera/CameraShakeEvent.asset

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+  description: Event used to fire camera shake

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