|
public Read ( Stream s, HelixToolkit.Wpf.SharpDX.ModelInfo info = default(ModelInfo) ) : System.Collections.Generic.List |
||
| s | Stream | /// The stream. /// |
| info | HelixToolkit.Wpf.SharpDX.ModelInfo | |
| return | System.Collections.Generic.List |
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public override void Calculate()
{
if (InputPorts[0].Data == null) return;
if (InputPorts[0].Data is string)
{
var extension = Path.GetExtension(InputPorts[0].Data as string);
var flag = false;
switch (extension)
{
case ".obj":
var currentHelixObjReader = new ObjReader();
try
{
var objModel = currentHelixObjReader.Read((string) InputPorts[0].Data);
var modelGroup = new GroupModel3D();
var modelGeometry = new Element3DCollection();
modelGeometry.AddRange(
objModel.Select(
x =>
new MeshGeometryModel3D
{
Geometry = x.Geometry as MeshGeometry3D,
Material = x.Material
}));
modelGroup.Children = modelGeometry;
Dispatcher.BeginInvoke((Action) delegate { _control.ViewPort3D.Items.Add(modelGroup); });
}
catch (Exception)
{
// ignore
}
break;
case ".stl":
var currentHelixStlReader = new StLReader();
try
{
var myModel = currentHelixStlReader.Read((string) InputPorts[0].Data);
// _control.ViewPort3D.Items.Add(myModel);
}
catch (Exception)
{
// ignore
}
break;
}
}
}
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
this.RenderTechnique = Techniques.RenderDeferred;
// 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);
}
public override void Calculate()
{
if (InputPorts[0].Data == null)
{
return;
}
if (InputPorts[0].Data is string)
{
var extension = Path.GetExtension(InputPorts[0].Data as string);
var flag = false;
switch (extension)
{
case ".obj":
var currentHelixObjReader = new ObjReader();
try
{
var objModel = currentHelixObjReader.Read((string)InputPorts[0].Data);
var modelGroup = new GroupModel3D();
var modelGeometry = new Element3DCollection();
modelGeometry.AddRange(
objModel.Select(
x =>
new MeshGeometryModel3D
{
Geometry = x.Geometry as MeshGeometry3D,
Material = x.Material
}));
modelGroup.Children = modelGeometry;
Dispatcher.BeginInvoke((Action) delegate { _control.ViewPort3D.Items.Add(modelGroup); });
}
catch (Exception)
{
// ignore
}
break;
case ".stl":
var currentHelixStlReader = new StLReader();
try
{
var myModel = currentHelixStlReader.Read((string)InputPorts[0].Data);
// _control.ViewPort3D.Items.Add(myModel);
}
catch (Exception)
{
// ignore
}
break;
}
}
}
/// <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)));
}
/// <summary>
/// Constructor of the MainViewModel
/// </summary>
public MainViewModel()
{
// titles
this.Title = "Deferred Shading Demo";
this.SubTitle = "WPF & SharpDX";
// camera setup
this.Camera = new PerspectiveCamera { Position = new Point3D(18, 64, 30), LookDirection = new Vector3D(-18, -64, -30), UpDirection = new Vector3D(0, 1, 0) };
// deferred render technique
RenderTechniquesManager = new DeferredTechniquesManager();
RenderTechnique = RenderTechniquesManager.RenderTechniques[DeferredRenderTechniqueNames.Deferred];
EffectsManager = new DeferredEffectsManager(RenderTechniquesManager);
SupportDeferredRender = true;
//load model
var reader = new ObjReader();
var objModel = reader.Read(@"./Media/bunny.obj");
this.Model = objModel[0].Geometry as MeshGeometry3D;
var scale = 2.0;
// model trafos
var transf1 = new Transform3DGroup();
transf1.Children.Add(new ScaleTransform3D(scale, scale, scale));
transf1.Children.Add(new RotateTransform3D(new Media3D.AxisAngleRotation3D(new Vector3D(0, 1, 0), 40), 0.0, 0.0, 0.0));
transf1.Children.Add(new TranslateTransform3D(0, -2, 3));
this.Model1Transform = transf1;
var transf2 = new Transform3DGroup();
transf2.Children.Add(new ScaleTransform3D(scale, scale, scale));
transf2.Children.Add(new Media3D.RotateTransform3D(new Media3D.AxisAngleRotation3D(new Vector3D(0, 1, 0), 66), 0.0, 0.0, 0.0));
transf2.Children.Add(new Media3D.TranslateTransform3D(-3.0, -2, -2.5));
this.Model2Transform = transf2;
var transf3 = new Transform3DGroup();
transf3.Children.Add(new ScaleTransform3D(scale, scale, scale));
transf3.Children.Add(new TranslateTransform3D(+3.5, -2, -1.0));
this.Model3Transform = transf3;
// floor plane
var meshBuilder = new MeshBuilder();
meshBuilder.AddBox(new Vector3(0, 0, 0), 100, 0.0, 100, BoxFaces.PositiveY);
this.Plane = meshBuilder.ToMeshGeometry3D();
this.PlaneTransform = new TranslateTransform3D(0, -1.05, 0);
// model materials
this.RedMaterial = PhongMaterials.Red;
this.GreenMaterial = PhongMaterials.Green;
this.BlueMaterial = PhongMaterials.Blue;
this.PlaneMaterial = PhongMaterials.DefaultVRML;
this.PlaneMaterial.DiffuseMap = new BitmapImage(new System.Uri(@"./Media/TextureCheckerboard2.jpg", System.UriKind.RelativeOrAbsolute));
this.PlaneMaterial.NormalMap = new BitmapImage(new System.Uri(@"./Media/TextureCheckerboard2_dot3.jpg", System.UriKind.RelativeOrAbsolute));
// setup lighting
this.AmbientLightColor = new Color4(0.3f, 0.3f, 0.3f, 1.0f);
this.DirectionalLightColor = new Color4(0.2f, 0.2f, 0.2f, 1.0f);
this.DirectionalLightDirection = new Vector3(-2, -5, -2);
this.PointLightColor = (Color4)Color.White;
this.PointLightAttenuation = new Vector3(0.0f, 0.0f, 0.18f); //1/0/0 ; 0.1, 0.2, 0.3
this.PointLightTransform1 = new TranslateTransform3D(new Vector3D(0, 1, 0));
this.PointLightTransform2 = new TranslateTransform3D(new Vector3D(6, 1, 3));
this.PointLightTransform3 = new TranslateTransform3D(new Vector3D(-3, 1, -6));
this.SpotLightColor = (Color4)Color.AntiqueWhite;
this.SpotLightAttenuation = new Vector3(1.0f, 0.1f, 0.01f);
// light collection
this.PointLightCollection = new Element3DCollection();
this.PointLightCount = 7;
this.PointLightSpread = 100;
// spotlight collection
this.SpotLightCollection = new Element3DCollection();
this.SpotLightCount = 7;
this.SpotLightSpread = 100;
}