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October 1, 2023 08:12
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Save ditzel/11fdf652a1ce467dadb53e499c381794 to your computer and use it in GitHub Desktop.
Camera Shake Effect. Just put in on the camera and call Shake()
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using UnityEngine; | |
namespace DitzeGames.Effects | |
{ | |
/// <summary> | |
/// Camera Effects | |
/// </summary> | |
public class CameraEffects : MonoBehaviour | |
{ | |
/// <summary> | |
/// Amount of Shake | |
/// </summary> | |
public Vector3 Amount = new Vector3(1f, 1f, 0); | |
/// <summary> | |
/// Duration of Shake | |
/// </summary> | |
public float Duration = 1; | |
/// <summary> | |
/// Shake Speed | |
/// </summary> | |
public float Speed = 10; | |
/// <summary> | |
/// Amount over Lifetime [0,1] | |
/// </summary> | |
public AnimationCurve Curve = AnimationCurve.EaseInOut(0, 1, 1, 0); | |
/// <summary> | |
/// Set it to true: The camera position is set in reference to the old position of the camera | |
/// Set it to false: The camera position is set in absolute values or is fixed to an object | |
/// </summary> | |
public bool DeltaMovement = true; | |
protected Camera Camera; | |
protected float time = 0; | |
protected Vector3 lastPos; | |
protected Vector3 nextPos; | |
protected float lastFoV; | |
protected float nextFoV; | |
protected bool destroyAfterPlay; | |
/// <summary> | |
/// awake | |
/// </summary> | |
private void Awake() | |
{ | |
Camera = GetComponent<Camera>(); | |
} | |
/// <summary> | |
/// Do the shake | |
/// </summary> | |
public static void ShakeOnce(float duration = 1f, float speed = 10f, Vector3? amount = null, Camera camera = null, bool deltaMovement = true, AnimationCurve curve = null) | |
{ | |
//set data | |
var instance = ((camera != null) ? camera : Camera.main).gameObject.AddComponent<CameraEffects>(); | |
instance.Duration = duration; | |
instance.Speed = speed; | |
if (amount != null) | |
instance.Amount = (Vector3)amount; | |
if (curve != null) | |
instance.Curve = curve; | |
instance.DeltaMovement = deltaMovement; | |
//one time | |
instance.destroyAfterPlay = true; | |
instance.Shake(); | |
} | |
/// <summary> | |
/// Do the shake | |
/// </summary> | |
public void Shake() | |
{ | |
ResetCam(); | |
time = Duration; | |
} | |
private void LateUpdate() | |
{ | |
if (time > 0) | |
{ | |
//do something | |
time -= Time.deltaTime; | |
if (time > 0) | |
{ | |
//next position based on perlin noise | |
nextPos = (Mathf.PerlinNoise(time * Speed, time * Speed * 2) - 0.5f) * Amount.x * transform.right * Curve.Evaluate(1f - time / Duration) + | |
(Mathf.PerlinNoise(time * Speed * 2, time * Speed) - 0.5f) * Amount.y * transform.up * Curve.Evaluate(1f - time / Duration); | |
nextFoV = (Mathf.PerlinNoise(time * Speed * 2, time * Speed * 2) - 0.5f) * Amount.z * Curve.Evaluate(1f - time / Duration); | |
Camera.fieldOfView += (nextFoV - lastFoV); | |
Camera.transform.Translate(DeltaMovement ? (nextPos - lastPos) : nextPos); | |
lastPos = nextPos; | |
lastFoV = nextFoV; | |
} | |
else | |
{ | |
//last frame | |
ResetCam(); | |
if (destroyAfterPlay) | |
Destroy(this); | |
} | |
} | |
} | |
private void ResetCam() | |
{ | |
//reset the last delta | |
Camera.transform.Translate(DeltaMovement ? -lastPos : Vector3.zero); | |
Camera.fieldOfView -= lastFoV; | |
//clear values | |
lastPos = nextPos = Vector3.zero; | |
lastFoV = nextFoV = 0f; | |
} | |
} | |
} |
It should give you an idea
Yeah, it did. Thanks so much for that, and just teaching me this much about gamedev in general,
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Amazing! Needed to modify a lot, for my personal use though, but may be fine for you!