Lots of progress on rendering textures.

src/SlatedGameToolkit.Tools/Utilities/Playground/MainState.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Drawing;
+using System.Numerics;
+using SlatedGameToolkit.Framework.Exceptions;
+using SlatedGameToolkit.Framework.Graphics.Programs;
+using SlatedGameToolkit.Framework.Graphics.Render;
+using SlatedGameToolkit.Framework.Graphics.Shaders;
+using SlatedGameToolkit.Framework.Graphics.Textures;
+using SlatedGameToolkit.Framework.Graphics.Window;
+using SlatedGameToolkit.Framework.Loader;
+using SlatedGameToolkit.Framework.StateSystem;
+using SlatedGameToolkit.Framework.StateSystem.States;
+
+namespace SlatedGameToolkit.Tools.Utilities.Playground
+{
+    public class MainState : IState
+    {
+        private WindowContext window;
+        private GLShaderProgram program;
+        private Camera2D camera;
+        private Renderer renderer;
+        private Texture texture;
+        private Sprite2D sprite;
+
+        public WindowContext CurrentWindow { get { return window;}}
+
+        public bool Activate()
+        {
+            return true;
+        }
+
+        public bool Deactivate()
+        {
+            return true;
+        }
+
+        public void Deinitialize()
+        {
+            window.Dispose();
+            program.Dispose();
+            texture.Dispose();
+            renderer.Dispose();
+        }
+
+        public string getName()
+        {
+            return "main state";
+        }
+
+        public void Initialize(StateManager manager)
+        {
+            window = new WindowContext("SlatedGameToolkit Playground");
+            camera = new Camera2D();
+            camera.Width = window.WindowBoundaries.Width;
+            camera.Height = window.WindowBoundaries.Height;
+            camera.Position = new Vector2(camera.Width / 2, camera.Height / 2);
+            program = new GLShaderProgram(new NormalVertexShader(), new NormalFragmentShader());
+            renderer = new Renderer(camera, program);
+            texture = new TextureLoader("Resources/Playground/yhdnbgnc.png").Load();
+            sprite = new Sprite2D(texture, Color.White);
+        }
+
+        public void Render(double delta)
+        {
+            OpenGLErrorException.CheckGLErrorStatus();
+            renderer.Queue(sprite, Matrix4x4.Identity);
+            renderer.Render();
+        }
+
+        public void Update(double delta)
+        {
+        }
+    }
+}