add overlapBox/Sphere/Capsule function, fixed OnWake/OnSleep not work

Prism-ScriptCore/Src/Prism/Math/Vec3.cs

@@ -46,6 +46,25 @@ namespace Prism
 			Z = Mathf.Clamp(Z, min.Z, max.Z);
 		}
 
+        public float Length()
+        {
+            return (float)Math.Sqrt(X * X + Y * Y + Z * Z);
+        }
+
+        public Vec3 Normalized()
+        {
+            float length = Length();
+            return new Vec3(X / length, Y / length, Z / length);
+        }
+
+        public void Normalize()
+        {
+            float length = Length();
+            X = X / length;
+            Y = Y / length;
+            Z = Z / length;
+        }
+
 
         public Vec2 XY {
             get { return new Vec2(X, Y); }
@@ -79,6 +98,11 @@ namespace Prism
             return new Vec3(left.X + right.X, left.Y + right.Y, left.Z + right.Z);
         }
 
+        public static Vec3 operator +(Vec3 left, float right)
+        {
+            return new Vec3(left.X + right, left.Y + right, left.Z + right);
+        }
+
         public static Vec3 operator -(Vec3 left, Vec3 right)
         {
             return new Vec3(left.X - right.X, left.Y - right.Y, left.Z - right.Z);