major rework

Car simulation/Core/Physics/Vector2.cs

@@ -0,0 +1,38 @@
+namespace Car_simulation.Core.Physics
+{
+    public struct Vector2
+    {
+        public float X, Y;
+
+        public Vector2(float x, float y) { X = x; Y = y; }
+
+        public float Length => MathF.Sqrt(X * X + Y * Y);
+        public float LengthSquared => X * X + Y * Y;
+
+        public Vector2 Normalized()
+        {
+            float length = Length;
+            if (length > 0.0001f)
+                return new Vector2(X / length, Y / length);
+            return new Vector2(0, 0);
+        }
+
+        public void Normalize()
+        {
+            float length = Length;
+            if (length > 0.0001f)
+            {
+                X /= length;
+                Y /= length;
+            }
+        }
+
+        public static Vector2 Normalize(Vector2 v) => v.Normalized();
+
+        public static Vector2 operator *(Vector2 v, float s) => new Vector2(v.X * s, v.Y * s);
+        public static Vector2 operator *(float s, Vector2 v) => new Vector2(v.X * s, v.Y * s);
+        public static Vector2 operator /(Vector2 v, float s) => new Vector2(v.X / s, v.Y / s);
+        public static Vector2 operator +(Vector2 a, Vector2 b) => new Vector2(a.X + b.X, a.Y + b.Y);
+        public static Vector2 operator -(Vector2 a, Vector2 b) => new Vector2(a.X - b.X, a.Y - b.Y);
+    }
+}