protected override void OnLoad()
{
// load textures into array
for (var i = 0; i < _stateTextures.Length; i++)
{
using (var bitmap = new Bitmap(Path.Combine("Data/Textures/", _stateTextures[i])))
{
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
if (_textureArray == null)
{
BitmapTexture.CreateCompatible(bitmap, out _textureArray, _stateTextures.Length, 1);
}
_textureArray.LoadBitmap(bitmap, i);
}
}
// initialize buffer
var field = new Minefield[FieldWidth * FieldHeight];
for (var i = 0; i < field.Length; i++)
{
field[i] = new Minefield(i % FieldWidth, i / FieldHeight, i % _stateTextures.Length);
}
_buffer = new Buffer <Minefield>();
_buffer.Init(BufferTarget.ArrayBuffer, field);
// load program
_gridProgram = ProgramFactory.Create <TextureGridProgram>();
_gridProgram.Use();
// bind the texture and set uniform
_gridProgram.TextureData.BindTexture(TextureUnit.Texture0, _textureArray);
// set up vertex array and attributes
_vao = new VertexArray();
_vao.Bind();
_vao.BindAttribute(_gridProgram.InPosition, _buffer);
_vao.BindAttribute(_gridProgram.InTexture, _buffer, 8);
// set nice clear color
GL.ClearColor(Color.MidnightBlue);
// initialize camera position
Camera.DefaultState.Position = new Vector3(0, 5, 15);
Camera.ResetToDefault();
}
