Replace vectors and matrix4x4s to floatx from Mathematics

Runtime/Shader/Includes/VolumeData.cs

@@ -1,4 +1,5 @@
 using System;
+using Unity.Mathematics;
 using UnityEngine;
 using UnityEngine.Rendering;
 
@@ -10,12 +11,12 @@ namespace Misaki.AoVolume
     {
         [HideInInspector]
         [NonSerialized]
-        public Matrix4x4 worldMatrix;
+        public float4x4 worldMatrix;
         [HideInInspector]
         [NonSerialized]
-        public Matrix4x4 inverseWorldMatrix;
+        public float4x4 inverseWorldMatrix;
 
-        public Vector3 size;
+        public float3 size;
 
         [Range(0.0f, 1.0f)]
         public float intensity;
@@ -26,7 +27,7 @@ namespace Misaki.AoVolume
 
         public static VolumeData Default => new()
         {
-            size = Vector3.one,
+            size = new float3(1f),
             intensity = 1.0f,
             falloff = 0.25f,
             normalFalloff = 0.0f