Assets/EZ Camera Shake/Scripts/CameraShaker.cs

   1 using UnityEngine;
   2 using System.Collections.Generic;
   3
   4 namespace EZCameraShake
   5 {
   6     [AddComponentMenu("EZ Camera Shake/Camera Shaker")]
   7     public class CameraShaker : MonoBehaviour
   8     {
   9         /// <summary>
  10         /// The single instance of the CameraShake in the current scene. Do not use if you have multiple instances.
  11         /// </summary>
  12         public static CameraShaker Instance;
  13         static Dictionary<string, CameraShaker> instanceList = new Dictionary<string, CameraShaker>();
  14
  15         /// <summary>
  16         /// The default position influcence of all shakes created by this shaker.
  17         /// </summary>
  18         public Vector3 DefaultPosInfluence = new Vector3(0.15f, 0.15f, 0.15f);
  19         /// <summary>
  20         /// The default rotation influcence of all shakes created by this shaker.
  21         /// </summary>
  22         public Vector3 DefaultRotInfluence = new Vector3(1, 1, 1);
  23
  24                 public static Vector3 camera_at_hit_time;
  25                 public static bool isHit;
  26
  27         Vector3 posAddShake, rotAddShake;
  28
  29         List<CameraShakeInstance> cameraShakeInstances = new List<CameraShakeInstance>();
  30
  31         void Awake()
  32         {
  33             Instance = this;
  34             instanceList.Add(gameObject.name, this);
  35         }
  36
  37         void Update()
  38         {
  39                         if (isHit) {
  40                                 posAddShake = GameObject.FindGameObjectWithTag("CameraDestination").transform.localPosition;
  41                                 rotAddShake = Vector3.zero;
  42                         }
  43
  44             for (int i = 0; i < cameraShakeInstances.Count; i++)
  45             {
  46                 if (i >= cameraShakeInstances.Count)
  47                     break;
  48
  49                 CameraShakeInstance c = cameraShakeInstances[i];
  50
  51                 if (c.CurrentState == CameraShakeState.Inactive && c.DeleteOnInactive)
  52                 {
  53                     cameraShakeInstances.RemoveAt(i);
  54                     i--;
  55                 }
  56                 else if (c.CurrentState != CameraShakeState.Inactive)
  57                 {
  58                     posAddShake += CameraUtilities.MultiplyVectors(c.UpdateShake(), c.PositionInfluence);
  59                     rotAddShake += CameraUtilities.MultiplyVectors(c.UpdateShake(), c.RotationInfluence);
  60                 }
  61             }
  62
  63                         if (isHit) {
  64                                 transform.localPosition = posAddShake;
  65                                 transform.localEulerAngles = rotAddShake;
  66                         }
  67                         if (cameraShakeInstances.Count == 0)
  68                                 isHit = false;
  69         }
  70
  71         /// <summary>
  72         /// Gets the CameraShaker with the given name, if it exists.
  73         /// </summary>
  74         /// <param name="name">The name of the camera shaker instance.</param>
  75         /// <returns></returns>
  76         public static CameraShaker GetInstance(string name)
  77         {
  78             CameraShaker c;
  79
  80             if (instanceList.TryGetValue(name, out c))
  81                 return c;
  82
  83             Debug.LogError("CameraShake " + name + " not found!");
  84
  85             return null;
  86         }
  87
  88         /// <summary>
  89         /// Starts a shake using the given preset.
  90         /// </summary>
  91         /// <param name="shake">The preset to use.</param>
  92         /// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
  93         public CameraShakeInstance Shake(CameraShakeInstance shake)
  94         {
  95             cameraShakeInstances.Add(shake);
  96             return shake;
  97         }
  98
  99         /// <summary>
 100         /// Shake the camera once, fading in and out  over a specified durations.
 101         /// </summary>
 102         /// <param name="magnitude">The intensity of the shake.</param>
 103         /// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
 104         /// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
 105         /// <param name="fadeOutTime">How long to fade out the shake, in seconds.</param>
 106         /// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
 107         public CameraShakeInstance ShakeOnce(float magnitude, float roughness, float fadeInTime, float fadeOutTime)
 108         {
 109             CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness, fadeInTime, fadeOutTime);
 110
 111
 112
 113                         shake.PositionInfluence = DefaultPosInfluence;
 114             shake.RotationInfluence = DefaultRotInfluence;
 115             cameraShakeInstances.Add(shake);
 116
 117             return shake;
 118         }
 119
 120         /// <summary>
 121         /// Shake the camera once, fading in and out over a specified durations.
 122         /// </summary>
 123         /// <param name="magnitude">The intensity of the shake.</param>
 124         /// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
 125         /// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
 126         /// <param name="fadeOutTime">How long to fade out the shake, in seconds.</param>
 127         /// <param name="posInfluence">How much this shake influences position.</param>
 128         /// <param name="rotInfluence">How much this shake influences rotation.</param>
 129         /// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
 130         public CameraShakeInstance ShakeOnce(float magnitude, float roughness, float fadeInTime, float fadeOutTime, Vector3 posInfluence, Vector3 rotInfluence)
 131         {
 132             CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness, fadeInTime, fadeOutTime);
 133             shake.PositionInfluence = posInfluence;
 134             shake.RotationInfluence = rotInfluence;
 135             cameraShakeInstances.Add(shake);
 136
 137                         isHit = true;
 138                         camera_at_hit_time = GameObject.FindGameObjectWithTag ("MainCamera").transform.position;
 139
 140             return shake;
 141         }
 142
 143         /// <summary>
 144         /// Start shaking the camera.
 145         /// </summary>
 146         /// <param name="magnitude">The intensity of the shake.</param>
 147         /// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
 148         /// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
 149         /// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
 150         public CameraShakeInstance StartShake(float magnitude, float roughness, float fadeInTime)
 151         {
 152             CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness);
 153             shake.PositionInfluence = DefaultPosInfluence;
 154             shake.RotationInfluence = DefaultRotInfluence;
 155             shake.StartFadeIn(fadeInTime);
 156             cameraShakeInstances.Add(shake);
 157             return shake;
 158         }
 159
 160         /// <summary>
 161         /// Start shaking the camera.
 162         /// </summary>
 163         /// <param name="magnitude">The intensity of the shake.</param>
 164         /// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
 165         /// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
 166         /// <param name="posInfluence">How much this shake influences position.</param>
 167         /// <param name="rotInfluence">How much this shake influences rotation.</param>
 168         /// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
 169         public CameraShakeInstance StartShake(float magnitude, float roughness, float fadeInTime, Vector3 posInfluence, Vector3 rotInfluence)
 170         {
 171             CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness);
 172             shake.PositionInfluence = posInfluence;
 173             shake.RotationInfluence = rotInfluence;
 174             shake.StartFadeIn(fadeInTime);
 175             cameraShakeInstances.Add(shake);
 176             return shake;
 177         }
 178
 179         /// <summary>
 180         /// Gets a copy of the list of current camera shake instances.
 181         /// </summary>
 182         public List<CameraShakeInstance> ShakeInstances
 183         { get { return new List<CameraShakeInstance>(cameraShakeInstances); } }
 184
 185         void OnDestroy()
 186         {
 187             instanceList.Remove(gameObject.name);
 188         }
 189     }
 190 }