Presets tweaking and description.

Assets/CameraShake/Core/CameraShakePresets.cs

@@ -12,15 +12,15 @@ public CameraShakePresets(CameraShaker shaker)
         }
 
         public void ShortShake2D(
-            float posStrength = 0.05f, 
-            float rotStrength = 0.1f,
+            float positionStrength = 0.04f,
+            float rotationStrength = 0.08f,
             float freq = 25,
-            int numBounces = 3)
+            int numBounces = 5)
         {
             BounceShake.Params pars = new BounceShake.Params
             {
-                positionStrength = posStrength,
-                rotationStrength = rotStrength,
+                positionStrength = positionStrength,
+                rotationStrength = rotationStrength,
                 freq = freq,
                 numBounces = numBounces
             };
@@ -30,16 +30,57 @@ public void ShortShake2D(
         public void ShortShake3D(
             float strength = 0.2f,
             float freq = 25,
-            int numBounces = 3)
+            int numBounces = 5)
         {
             BounceShake.Params pars = new BounceShake.Params
             {
-                axesMultiplier = new Displacement(Vector3.zero, Vector3.one),
+                axesMultiplier = new Displacement(Vector3.zero, new Vector3(1, 1, 0.4f)),
                 rotationStrength = strength,
                 freq = freq,
                 numBounces = numBounces
             };
             shaker.RegisterShake(new BounceShake(pars));
         }
+
+        public void Explosion2D(
+            float positionStrength = 1f,
+            float rotationStrength = 3,
+            float duration = 0.5f)
+        {
+            PerlinShake.NoiseMode[] modes =
+            {
+                new PerlinShake.NoiseMode(8, 1),
+                new PerlinShake.NoiseMode(20, 0.4f)
+            };
+            Envelope.EnvelopeParams envelopePars = new Envelope.EnvelopeParams();
+            envelopePars.decay = duration <= 0 ? 1 : 1 / duration;
+            PerlinShake.Params pars = new PerlinShake.Params
+            {
+                strength = new Displacement(new Vector3(1, 1) * positionStrength, Vector3.forward * rotationStrength),
+                noiseModes = modes,
+                envelope = envelopePars,
+            };
+            shaker.RegisterShake(new PerlinShake(pars));
+        }
+
+        public void Explosion3D(
+            float strength = 8f,
+            float duration = 0.7f)
+        {
+            PerlinShake.NoiseMode[] modes =
+            {
+                new PerlinShake.NoiseMode(6, 1),
+                new PerlinShake.NoiseMode(20, 0.2f)
+            };
+            Envelope.EnvelopeParams envelopePars = new Envelope.EnvelopeParams();
+            envelopePars.decay = duration <= 0 ? 1 : 1 / duration;
+            PerlinShake.Params pars = new PerlinShake.Params
+            {
+                strength = new Displacement(Vector3.zero, new Vector3(1, 1, 0.5f) * strength),
+                noiseModes = modes,
+                envelope = envelopePars,
+            };
+            shaker.RegisterShake(new PerlinShake(pars));
+        }
     }
 }

Assets/CameraShake/Core/PerlinShake.cs

@@ -12,6 +12,7 @@ public class PerlinShake : ICameraShake
         Vector2[] seeds;
         float time;
         Vector3? sourcePosition;
+        float norm;
 
         /// <summary>
         /// Creates an instance of PerlinShake.
@@ -40,9 +41,11 @@ public PerlinShake(
         public void Initialize(Vector3 cameraPosition, Quaternion cameraRotation)
         {
             seeds = new Vector2[pars.noiseModes.Length];
+            norm = 0;
             for (int i = 0; i < seeds.Length; i++)
             {
                 seeds[i] = Random.insideUnitCircle * 20;
+                norm += pars.noiseModes[i].amplitude;
             }
         }
 
@@ -59,7 +62,7 @@ public void Update(float deltaTime, Vector3 cameraPosition, Quaternion cameraRot
             Displacement disp = Displacement.Zero;
             for (int i = 0; i < pars.noiseModes.Length; i++)
             {
-                disp += pars.noiseModes[i].amplitude *
+                disp += pars.noiseModes[i].amplitude / norm *
                     SampleNoise(seeds[i], pars.noiseModes[i].freq);
             }
 

Assets/CameraShake/Examples/Cube.mat

@@ -0,0 +1,77 @@
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Assets/CameraShake/Examples/Floor.mat

@@ -0,0 +1,77 @@
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