protected override void OnLoad()
{
base.OnLoad();
// load texture from file
using (var bitmap = new Bitmap("Data/Textures/crate.png"))
{
BitmapTexture.CreateCompatible(bitmap, out _texture);
_texture.LoadBitmap(bitmap);
}
// initialize shaders
_textureProgram = ProgramFactory.Create <SimpleTextureProgram>();
// initialize cube object and base view matrix
_objectView = _baseView = Matrix4.Identity;
// initialize demonstration geometry
_cube = ShapeBuilder.CreateTexturedCube(_textureProgram.InPosition, _textureProgram.InTexCoord);
// Enable culling, our cube vertices are defined inside out, so we flip them
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
// initialize camera position
ActiveCamera.Position = new Vector3(0, 0, 4);
// set nice clear color
GL.ClearColor(Color.MidnightBlue);
_stopwatch.Restart();
}