public static void Main()
{
var canvas = Document.GetElementById <HTMLCanvasElement>("main");
var gl = WebGLHelpers.GetWebGLRenderingContext(canvas);
if (gl == null)
{
throw new InvalidOperationException("Your browser doesn't support WebGL rendering contexts");
}
Action onWindowLoadOrResize = () =>
{
canvas.Width = Window.InnerWidth;
canvas.Height = Window.InnerHeight;
};
Window.OnLoad = (e) => onWindowLoadOrResize();
Window.OnResize = (e) => onWindowLoadOrResize();
var textureLoader = new TextureLoader(Set <TextureInfo> .Empty
.Add(TextureInfo.Create(gl, "../Content/Images/sprites.png")));
/* Tuples of 'program ID', 'vertex shader ID' and 'fragment shader ID' */
var programManager = new ProgramManager(gl, Set <Tuple <string, string, string> > .Empty
.Add(Tuple.Create("prog-image", "image-vert-shader", "image-frag-shader"))
.Add(Tuple.Create("prog-line", "line-vert-shader", "line-frag-shader")));
var level = new Level();
textureLoader.AllLoaded += () => Start(gl, textureLoader, programManager, level);
textureLoader.ProcessTextures();
}
public override void Render(WebGLRenderingContext gl, TextureLoader textureLoader, ProgramManager programManager, int x, int y)
{
WebGLHelpers.DrawImage(gl, textureLoader.Textures.First(), programManager.Programs["prog-image"].Program,
64, 0, 64, 64,
x, y, 64, 64);
}