public void CatmullClark(Model model)
{
if (model == null)
{
return;
}
GeometryMesh mesh = model.Batch.MeshSource as GeometryMesh;
if (mesh == null)
{
return;
}
Geometry newGeometry = new CatmullClarkGeometryOperation(mesh.Geometry).Destination;
newGeometry.ComputePolygonCentroids();
newGeometry.ComputePolygonNormals();
//newGeometry.ComputeCornerNormals(2.0f * (float)Math.PI);
newGeometry.SmoothNormalize("corner_normals", "polygon_normals", (2.0f * (float)Math.PI));
newGeometry.BuildEdges();
MeshModified op = new MeshModified(
model,
new MeshModified.State(
model.Name,
model.Batch
),
new MeshModified.State(
"Catmull-Clark(" + model.Name + ")",
new Batch(
new GeometryMesh(
newGeometry,
NormalStyle.PointNormals
),
model.Batch.Material
)
)
);
operationStack.Do(op);
}
private void AddReflectionTestObjects()
{
GeometryMesh cube4 = new GeometryMesh(new Cube(2.0f), NormalStyle.PointNormals);
Geometry newGeometry = new CatmullClarkGeometryOperation(cube4.Geometry).Destination;
newGeometry = new CatmullClarkGeometryOperation(newGeometry).Destination;
newGeometry.ComputePolygonCentroids();
newGeometry.ComputePolygonNormals();
//newGeometry.ComputeCornerNormals(0.0f);
newGeometry.SmoothNormalize("corner_normals", "polygon_normals", (2.0f * (float)Math.PI));
newGeometry.BuildEdges();
float a = 4.0f;
GeometryMesh cube4s = new GeometryMesh(newGeometry, NormalStyle.PointNormals);
AddModel(new Model("PosX", cube4, materialManager["CubeMaterials[0]"], a, 0.0f, 0.0f));
AddModel(new Model("NegX", cube4, materialManager["CubeMaterials[1]"], -a, 0.0f, 0.0f));
AddModel(new Model("PosY", cube4, materialManager["CubeMaterials[2]"], 0.0f, a, 0.0f));
AddModel(new Model("NegY", cube4, materialManager["CubeMaterials[3]"], 0.0f, -a, 0.0f));
AddModel(new Model("PosZ", cube4, materialManager["CubeMaterials[4]"], 0.0f, 0.0f, a));
AddModel(new Model("NegZ", cube4, materialManager["CubeMaterials[5]"], 0.0f, 0.0f, -a));
}
public void DemoInit()
{
InitializeRenderers();
windowViewport = new RenderStack.Viewport(this.Width, this.Height);
Renderer.CurrentViewport = windowViewport;
blinnPhong = Material.Create(Renderer.Programs.BlinnPhong);
blinnPhong.Parameters.Add <Floats>("surface_color").Value = new Floats(0.5f, 0.5f, 0.5f);
blinnPhong.Parameters.Add <Floats>("surface_rim_color").Value = new Floats(0.1f, 0.2f, 0.5f);
blinnPhong.Parameters.Add <Floats>("surface_diffuse_reflectance_color").Value = new Floats(0.24f, 0.24f, 0.24f);
blinnPhong.Parameters.Add <Floats>("surface_specular_reflectance_color").Value = new Floats(0.8f, 0.8f, 0.8f);
blinnPhong.Parameters.Add <Floats>("surface_specular_reflectance_exponent").Value = new Floats(200.0f);
gridMaterial = Material.Create(Renderer.Programs.Grid);
#if false
var mesh = PolyMesh.CreateGreatRhombicosidodecahedron(1.0);
#else
var mesh = PolyMesh.CreateTruncatedIcosahedron(1.0);
var dodeca = PolyMesh.CreateDodecahedron(1.0);
Attach(mesh, dodeca, 5);
#endif
var subd1 = new SubdivideGeometryOperation(mesh.Geometry).Destination;
var subd2 = new SubdivideGeometryOperation(subd1).Destination;
var cc1 = new CatmullClarkGeometryOperation(subd2).Destination;
var cc2 = new CatmullClarkGeometryOperation(cc1).Destination;
cc2.ComputePolygonCentroids();
cc2.ComputePolygonNormals();
cc2.ComputeCornerNormals(2.0f * (float)Math.PI);
//cc2.BuildEdges();
mesh = new GeometryMesh(cc2);
model = Model.Create("model", mesh, blinnPhong);
//model = Model.Create("model", mesh, gridMaterial);
camera = Camera.Create();
camera.FovXRadians = OpenTK.MathHelper.DegreesToRadians(90.0f);
camera.FovYRadians = OpenTK.MathHelper.DegreesToRadians(90.0f);
camera.ProjectionType = ProjectionType.PerspectiveVertical;
camera.Frame.Parent = model.Frame;
cameraPath = new OrbitPath(camera.Frame);
cameraPath.Points[0.0f] = new OrbitPoint(0.0f, 0.0f, 20.0f);
cameraPath.Points[2.0f] = new OrbitPoint(0.0f, 0.0f, 12.0f);
cameraPath.Points[3.0f] = new OrbitPoint(0.5f, 0.2f, 15.0f);
cameraPath.Points[4.0f] = new OrbitPoint(1.0f, 0.5f, 12.0f);
cameraPath.Points[5.0f] = new OrbitPoint(1.4f, 1.0f, 16.0f);
cameraPath.Points[7.0f] = new OrbitPoint(2.0f, 1.5f, 13.0f);
cameraPath.Points[10.0f] = new OrbitPoint(1.6f, 0.0f, 20.0f);
exposure = new Signal();
exposure.Values[0.0f] = 0.0f;
exposure.Values[1.0f] = 1.0f;
exposure.Values[2.0f] = 2.0f;
exposure.Values[3.0f] = 1.0f;
exposure.Values[4.0f] = 5.0f;
exposure.Values[8.0f] = 1.0f;
exposure.Values[10.0f] = 0.0f;
InitializeRendererParameters();
DemoStart();
}
