move imgui property code and Pysics Actor code to a single file

Prism-ScriptCore/Src/Prism/Math/Vec2.cs

@@ -29,6 +29,29 @@ namespace Prism
             Y = Mathf.Clamp(Y, min.Y, max.Y);
         }
 
+        public float LengthSquared()
+        {
+            return X * X + Y * Y;
+        }
+
+        public float Length()
+        {
+            return (float)Math.Sqrt(X * X + Y * Y);
+        }
+
+        public Vec2 Normalized()
+        {
+            float length = Length();
+            return new Vec2(X / length, Y / length);
+        }
+
+        public void Normalize()
+        {
+            float length = Length();
+            X = X / length;
+            Y = Y / length;
+        }
+        
         public static Vec2 operator -(Vec2 l, Vec2 r)
         {
             return new Vec2(l.X - r.X, l.Y - r.Y);

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

@@ -60,6 +60,11 @@ namespace Prism
 			Z = Mathf.Clamp(Z, min.Z, max.Z);
 		}
 
+        public float LengthSquared()
+        {
+            return X * X + Y * Y + Z * Z;
+        }
+            
         public float Length()
         {
             return (float)Math.Sqrt(X * X + Y * Y + Z * Z);