基础内容

必要插件安装
缓动曲线和动画基础
ElementFolder，Track与其次级模块，PathNode重构

Assets/Plugins/Dreamteck/Utilities/Randomizer.cs

@@ -0,0 +1,73 @@
+namespace Dreamteck.Utilities
+{
+    using UnityEngine;
+
+    public class Randomizer
+    {
+        private int _seed;
+        private System.Random _random;
+
+        public System.Random random => _random;
+
+        public Randomizer(int seed)
+        {
+            _seed = seed;
+            _random = new System.Random(_seed);
+        }
+
+        public float Random01()
+        {
+            return (float)_random.NextDouble();
+        }
+
+        public float Random(float min, float max)
+        {
+            return (float)DMath.Lerp(min, max, _random.NextDouble());
+        }
+
+        public int Random(int min, int max)
+        {
+            return (int)DMath.Lerp(min, max, _random.NextDouble());
+        }
+
+        public Vector2 RandomVector2(float min, float max)
+        {
+            return new Vector2(Random(min, max), Random(min, max));
+        }
+
+        public Vector3 RandomVector3(float min, float max)
+        {
+            return new Vector3(Random(min, max), Random(min, max), Random(min, max));
+        }
+
+        public Vector3 OnUnitSphere()
+        {
+            return Quaternion.Euler(Random(0f, 360f), Random(0f, 360f), Random(0f, 360f)) * Vector3.forward;
+        }
+
+        public Vector3 OnUnitCircle()
+        {
+            return Quaternion.AngleAxis(Random(0f, 360f), Vector3.forward) * Vector3.up;
+        }
+
+        public Vector3 InsideUnitSphere()
+        {
+            return OnUnitSphere() * Random01();
+        }
+
+        public Vector3 InsideUnitCircle()
+        {
+            return OnUnitCircle() * Random01();
+        }
+
+        public void Reset()
+        {
+            _random = new System.Random(_seed);
+        }
+
+        public void Reset(int seed)
+        {
+            _random = new System.Random(seed);
+        }
+    }
+}