static void Main(string[] args)
{
Ag.initialize();
Aardvark.Base.Aardvark.Init();
using (var app = new OpenGlApplication())
{
var win = app.CreateSimpleRenderWindow(1);
var view = CameraView.LookAt(new V3d(2.0, 2.0, 2.0), V3d.Zero, V3d.OOI);
var perspective =
win.Sizes.Select(s => FrustumModule.perspective(60.0, 0.1, 10.0, ((float)s.X / (float)s.Y)));
var viewTrafo = DefaultCameraController.control(win.Mouse, win.Keyboard, win.Time, view);
var index = new[] { 0, 1, 2, 0, 2, 3 };
var positions = new[] { new V3f(-1, -1, 0), new V3f(1, -1, 0), new V3f(1, 1, 0), new V3f(-1, 1, 0) };
var attributes = new SymbolDict <Array>()
{
{ DefaultSemantic.Positions, positions }
};
var quad = new IndexedGeometry(IndexedGeometryMode.TriangleList,
(Array)index,
attributes,
new SymbolDict <Object>());
var quadSg = quad.ToSg();
// This is one of the hardest parts in C#. Our FShade interface is rather generic and
// works super awesome in F#. In C# however, without proper type inference doing simple function
// calls suddenly requires a Phd in CS. Therefore, and especially since shaders cannot be written
// in C# anyways, write application setup and shader code in F# ;)
// Or don't use FShade. FShade simply does not work in without functional language
// features such as type inference and function currying.
Func <DefaultSurfaces.Vertex, FSharpExpr <V4d> > whiteShader =
HighFun.ApplyArg0 <C4f, DefaultSurfaces.Vertex, FSharpExpr <V4d> >(
DefaultSurfaces.constantColor, C4f.White);
Func <DefaultSurfaces.Vertex, FSharpExpr <DefaultSurfaces.Vertex> > trafo = c => DefaultSurfaces.trafo(c);
var sg =
quadSg
.WithEffects(new[] {
FShadeSceneGraph.toEffect(FSharpFuncUtil.Create(trafo)),
FShadeSceneGraph.toEffect(FSharpFuncUtil.Create(whiteShader)),
})
.ViewTrafo(viewTrafo.Select(t => t.ViewTrafo))
.ProjTrafo(perspective.Select(t => t.ProjTrafo()));
var task = app.Runtime.CompileRender(win.FramebufferSignature, sg);
win.RenderTask = DefaultOverlays.withStatistics(task);
win.Run();
}
}
static IModRef <BackendConfiguration> SetScene(IRenderControl win)
{
var view = CameraView.LookAt(new V3d(2.0, 2.0, 2.0), V3d.Zero, V3d.OOI);
var perspective =
win.Sizes.Select(s => FrustumModule.perspective(60.0, 0.1, 10.0, ((float)s.X / (float)s.Y)));
var viewTrafo = DefaultCameraController.control(win.Mouse, win.Keyboard, win.Time, view);
var index = new[] { 0, 1, 2, 0, 2, 3 };
var positions = new[] { new V3f(-1, -1, 0), new V3f(1, -1, 0), new V3f(1, 1, 0), new V3f(-1, 1, 0) };
var attributes = new SymbolDict <Array>()
{
{ DefaultSemantic.Positions, positions }
};
var quad = new IndexedGeometry(IndexedGeometryMode.TriangleList,
(Array)index,
attributes,
new SymbolDict <Object>());
var quadSg = quad.ToSg();
var whiteShader = Effects.ConstantColor.Effect(C4f.White);
var trafo = Effects.Trafo.Effect;
var sg =
quadSg
.WithEffects(new[] { trafo, whiteShader })
.ViewTrafo(viewTrafo.Select(t => t.ViewTrafo))
.ProjTrafo(perspective.Select(t => t.ProjTrafo()));
var config = new ModRef <BackendConfiguration>(BackendConfigurationModule.UnmanagedOptimized);
var task = ((Aardvark.Rendering.GL.Runtime)win.Runtime).CompileRender(win.FramebufferSignature, config, Aardvark.SceneGraph.Semantics.RenderObjectSemantics.Semantic.renderObjects(sg));
win.RenderTask = DefaultOverlays.withStatistics(task);
return(config);
}
