moved utilities for rhythmbullet to separate project for a better custom content loaders for the monogame pipeline as well as for future projects and of course learning how things work.

Recrowned-Athenaeum/Camera/Camera2D.cs

@@ -0,0 +1,45 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RhythmBullet.Utilities.Camera
+{
+    public class Camera2D
+    {
+        public float Zoom;
+        public Vector2 Position;
+        public Matrix TransformMatrix { get; private set; }
+        public GraphicsDevice graphicsDevice;
+
+        public Camera2D(GraphicsDevice graphicsDevice)
+        {
+            this.graphicsDevice = graphicsDevice;
+            Zoom = 1f;
+            Position.X = this.graphicsDevice.Viewport.Width * 0.5f;
+            Position.Y = this.graphicsDevice.Viewport.Height * 0.5f;
+        }
+
+        public void Update()
+        {
+            Rectangle bounds = graphicsDevice.Viewport.Bounds;
+            TransformMatrix = 
+                Matrix.CreateTranslation(new Vector3(-Position.X, -Position.Y, 0)) * 
+                Matrix.CreateScale(Zoom) * 
+                Matrix.CreateTranslation(new Vector3(bounds.Width * 0.5f, bounds.Height * 0.5f, 0f));
+        }
+
+        public void LinearInterpolationToPosition(float alpha, Vector2 targetPosition, float delta)
+        {
+            if (alpha <= 0 && alpha > 1f) throw new ArgumentException("Alpha can't be greater than 1f, less than or equal to 0.");
+
+            Vector2 distance = targetPosition - Position;
+            distance *= (float)(1.0f - Math.Pow(1 - alpha, delta / 0.02f));
+
+            Position += distance;
+        }
+    }
+}