feat: add view models for all entities

Client/Domain/ValueObjects/Vector3.cs

@@ -1,16 +1,33 @@
-namespace Client.Domain.ValueObjects
+using Client.Domain.Common;
+using System;
+
+namespace Client.Domain.ValueObjects
 {
-    public class Vector3
+    public class Vector3 : NotifyPropertyChanged
     {
-        public float X { get; set; }
-        public float Y { get; set; }
-        public float Z { get; set; }
+        private float x;
+        private float y;
+        private float z;
+
+        public float X { get => x; set { if (value != x) { x = value; OnPropertyChanged("X"); } } }
+        public float Y { get => y; set { if (value != y) { y = value; OnPropertyChanged("Y"); } } }
+        public float Z { get => z; set { if (value != z) { z = value; OnPropertyChanged("X"); } } }
 
         public Vector3(float x, float y, float z)
         {
-            X = x;
-            Y = y;
-            Z = z;
+            this.x = x;
+            this.y = y;
+            this.z = z;
+        }
+
+        public float HorizontalSqrDistance(Vector3 other)
+        {
+            return MathF.Pow(x - other.x, 2) + MathF.Pow(y - other.y, 2);
+        }
+
+        public float HorizontalDistance(Vector3 other)
+        {
+            return MathF.Sqrt(HorizontalSqrDistance(other));
         }
     }
 }