Replaced color usage with OpenTK's implementation.

RecrownedAthenaeum/Graphics/Render/BasicCamera.cs

@@ -1,6 +1,4 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-
+using OpenTK;
 namespace RecrownedAthenaeum.Graphics.Render
 {
     /// <summary>

RecrownedAthenaeum/Graphics/Render/Batch.cs

@@ -0,0 +1,13 @@
+using System;
+namespace RecrownedAthenaeum.Graphics.Render {
+    public class Batch {
+        private bool begun;
+        public Batch() {
+
+        }
+        public void Begin() {
+            if (begun) throw new InvalidOperationException("This batch has already been started.");
+            begun = true;
+        }
+    }
+}

RecrownedAthenaeum/Graphics/Render/Camera2D.cs

@@ -1,5 +1,4 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
+using OpenTK;
 using System;
 
 namespace RecrownedAthenaeum.Graphics.Render

RecrownedAthenaeum/Graphics/Render/PrimitiveBatch.cs

@@ -1,5 +1,5 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
+using OpenTK.Graphics;
+using OpenTK;
 using System;
 
 namespace RecrownedAthenaeum.Graphics.Render
@@ -78,7 +78,7 @@ namespace RecrownedAthenaeum.Graphics.Render
         /// </summary>
         /// <param name="vertex">The vector that represents the vertex.</param>
         /// <param name="color">The color of that vertex.</param>
-        public void AddVertex(Vector2 vertex, Color color)
+        public void AddVertex(Vector2 vertex, Color4 color)
         {
             if (!began) throw new InvalidOperationException("Begin needs to be called before adding vertex.");
             if (disposed) throw new ObjectDisposedException(this.GetType().Name);

RecrownedAthenaeum/Graphics/Render/RectangleRenderer.cs

@@ -1,5 +1,6 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
+using OpenTK.Graphics;
+using OpenTK;
+using RecrownedAthenaeum.Types;
 using System;
 
 namespace RecrownedAthenaeum.Graphics.Render
@@ -73,7 +74,7 @@ namespace RecrownedAthenaeum.Graphics.Render
         /// <param name="height">Height of rectangle.</param>
         /// <param name="color">Color of all vertices of this rectangle.</param>
         /// <param name="rotation">Rotation of rectangle. Default is 0 radians.</param>
-        public void Draw(int x, int y, int width, int height, Color color, float rotation = 0)
+        public void Draw(int x, int y, int width, int height, Color4 color, float rotation = 0)
         {
             primitiveBatch.primitiveCount = filled ? 3 : 4;
             Vector2[] corners = new Vector2[4];
@@ -110,7 +111,7 @@ namespace RecrownedAthenaeum.Graphics.Render
         /// </summary>
         /// <param name="rectangle">Uses the x, y and dimensions to draw a rectangle.</param>
         /// <param name="color">The color of the rectangle.</param>
-        public void Draw(Rectangle rectangle, Color color)
+        public void Draw(Rectangle rectangle, Color4 color)
         {
             Draw(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height, color);
         }