public MainViewModel()
{
// ----------------------------------------------
// titles
this.Title = "Screen Space Ambient Occlusion Demo";
this.SubTitle = "WPF & SharpDX";
// camera setup
this.Camera = new PerspectiveCamera { Position = new Point3D(1.5, 2.5, 2.5), LookDirection = new Vector3D(-1.5, -2.5, -2.5), UpDirection = new Vector3D(0, 1, 0) };
// default render technique
RenderTechniquesManager = new DeferredTechniquesManager();
RenderTechnique = RenderTechniquesManager.RenderTechniques.Get(DeferredRenderTechniqueNames.Deferred);
EffectsManager = new DeferredEffectsManager(RenderTechniquesManager);
// background
this.BackgroundColor = (Color4)Color.White;
// setup lighting
this.AmbientLightColor = new Color4(0.1f, 0.1f, 0.1f, 1.0f);
this.DirectionalLightColor = Color.White;
this.DirectionalLightDirection1 = new Vector3(-2, -5, -2);
this.DirectionalLightDirection2 = new Vector3(+2, +5, +5);
// model materials
this.DefaultMaterial = PhongMaterials.DefaultVRML;
//load model
var reader = new ObjReader();
var objModel = reader.Read(@"./Media/CornellBox-Glossy.obj");
this.ModelGeometry = new Element3DCollection();
this.ModelGeometry.AddRange(objModel.Select(x => new MeshGeometryModel3D() { Geometry = x.Geometry as MeshGeometry3D, Material = x.Material, }));
// model trafos
this.ModelTransform = new Media3D.TranslateTransform3D(0, 0, 0);
}
/// <summary>
/// load the model from obj-file
/// </summary>
/// <param name="filename">filename</param>
/// <param name="faces">Determines if facades should be treated as triangles (Default) or as quads (Quads)</param>
private void LoadModel(string filename, MeshFaces faces)
{
// load model
var reader = new ObjReader();
var objModel = reader.Read(filename, new ModelInfo() { Faces = faces });
this.DefaultModel = objModel[0].Geometry as MeshGeometry3D;
this.DefaultModel.Colors = new Color4Collection(this.DefaultModel.Positions.Select(x => new Color4(1, 0, 0, 1)));
}