17.09.2020

+ Generic Scene
+ Generic Camera
+ Generic Window
+ Contexts for drawing and updateing

+ very basic 2D-implermention

SMCode/SM.Base/Scene/GenericCamera.cs

@@ -0,0 +1,26 @@
+using OpenTK;
+
+namespace SM.Base.Scene
+{
+    public abstract class GenericCamera
+    {
+        public static Matrix4 OrthographicWorld { get; protected set; }
+        public static Matrix4 PerspectiveWorld { get; protected set; }
+        public static Vector3 UpVector { get; set; } = Vector3.UnitY;
+        
+        public Matrix4 ViewMatrix { get; protected set; }
+
+        public Matrix4 World => Orthographic ? OrthographicWorld : PerspectiveWorld;
+
+        internal Matrix4 CalculateViewMatrix()
+        {
+            ViewMatrix = ViewCalculation();
+            return ViewMatrix;
+        }
+
+        public abstract Matrix4 ViewCalculation();
+
+        public abstract bool Orthographic { get; }
+        public abstract void RecalculateWorld(float width, float height);
+    }
+}