07.10.2020

+ Parent, Name and Flags to objects.

~ Improved Matrix calculations

SMCode/SM2D/Types/Transformation.cs

@@ -1,20 +1,54 @@
-using OpenTK;
+using System;
+using System.Configuration.Assemblies;
+using OpenTK;
 using SM.Base.Scene;
 using SM.Base.Types;
+using SM.Utility;
 
 namespace SM2D.Types
 {
     public class Transformation : GenericTransformation
     {
-        public CVector2 Position = new CVector2(0);
-        public CVector2 Size = new CVector2(50);
-        public float Rotation;
+        private float _eulerRotation = 0;
+        private CVector2 _position = new CVector2(0);
+        private CVector2 _scale = new CVector2(50);
 
-        public override Matrix4 GetMatrix()
+        public CVector2 Position
         {
-            return Matrix4.CreateScale(Size.X, Size.Y, 1) *
-                   Matrix4.CreateRotationZ(MathHelper.DegreesToRadians(Rotation)) *
-                   Matrix4.CreateTranslation(Position.X, Position.Y, 0);
+            get => _position;
+            set => _position = value;
+        }
+
+        public CVector2 Size
+        {
+            get => _scale;
+            set => _scale = value;
+        }
+        public float Rotation
+        {
+            get => _eulerRotation;
+            set => _eulerRotation = value;
+        }
+
+        protected override Matrix4 RequestMatrix()
+        {
+            return Matrix4.CreateScale(_scale.X, _scale.Y, 1) *
+                   Matrix4.CreateRotationZ(MathHelper.DegreesToRadians(_eulerRotation)) *
+                   Matrix4.CreateTranslation(_position.X, _position.Y, 0);
+        }
+
+        public void TurnTo(Vector2 v)
+        {
+            _eulerRotation = RotationUtility.TurnTowards(Position, v);
+        }
+
+        public Vector2 LookAtVector()
+        {
+            if (_modelMatrix.Determinant < 0.0001) return new Vector2(0);
+
+            Vector3 vec = Vector3.TransformNormal(Vector3.UnitX, _modelMatrix);
+            vec.Normalize();
+            return vec.Xy;
         }
     }
 }