protected override void OnLoad(EventArgs e)
{
WindowState = WindowState.Maximized;
GL.ClearColor(Color4.CornflowerBlue);
GameRegistry.LoadContent();
GL.Viewport(ClientRectangle);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
Shader = new Shader("assets/shaders/sprite/vertex.glsl", "assets/shaders/sprite/fragment.glsl");
Shader.Use();
Shader.SetInt("image", 0);
Shader.SetMatrix4("projection", Matrix4.CreateOrthographic(1920, 1080, -30.0f, 30.0f));
texture2D = new Texture2D("assets/sprites/sheet.png");
//texture2D = new Texture2D("Resources/container.png");
texture2D.Use();
base.OnLoad(e);
GraphicsManager.CreateBuffers();
}