/*[Input("Size",DefaultValues= new double[] { 1,1,1})]
IDiffSpread<Vector3> FSize;*/
protected override DX11IndexedGeometry GetGeom(DX11RenderContext context, int slice)
{
Tetrahedron settings = new Tetrahedron();
settings.Size = new Vector3(1, 1, 1);
return context.Primitives.Tetrahedron(settings);
}
public DX11IndexedGeometry Tetrahedron(Tetrahedron settings)
{
TetrahedronBuilder builder = new TetrahedronBuilder();
ListGeometryAppender appender = new ListGeometryAppender();
PrimitiveInfo info = builder.GetPrimitiveInfo(settings);
builder.Construct(settings, appender.AppendVertex, appender.AppendIndex);
return(FromAppender(settings, appender, info));
}
public DX11IndexedGeometry Tetrahedron(Tetrahedron settings)
{
DX11IndexedGeometry geom = new DX11IndexedGeometry(context);
geom.Tag = settings;
geom.PrimitiveType = settings.PrimitiveType;
geom.VerticesCount = 4;
geom.InputLayout = Pos3Norm3Tex2Vertex.Layout;
geom.VertexSize = Pos3Norm3Tex2Vertex.VertexSize;
geom.Topology = PrimitiveTopology.TriangleList;
DataStream ds = new DataStream(4 * Pos3Norm3Tex2Vertex.VertexSize, false, true);
Pos3Norm3Tex2Vertex v = new Pos3Norm3Tex2Vertex();
v.Position = Vector3.Normalize(new Vector3(1, 1, 1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0);
v.Position *= settings.Radius;
ds.Write <Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(-1, -1, 1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0);
v.Position *= settings.Radius;
ds.Write <Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(1, -1, -1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0);
v.Position *= settings.Radius;
ds.Write <Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(-1, 1, -1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0);
v.Position *= settings.Radius;
ds.Write <Pos3Norm3Tex2Vertex>(v);
geom.VertexBuffer = BufferHelper.CreateVertexBuffer(context, ds, true);
var indexstream = new DataStream(12 * 4, true, true);
int[] inds = new int[] {
0, 1, 2,
1, 2, 3,
2, 3, 0,
3, 0, 1
};
indexstream.WriteRange(inds);
geom.IndexBuffer = new DX11IndexBuffer(context, indexstream, false, true);
geom.HasBoundingBox = true;
geom.BoundingBox = new BoundingBox(new Vector3(-1, -1, -1), new Vector3(1, 1, 1));
return(geom);
}
public DX11IndexedGeometry Tetrahedron(Tetrahedron settings)
{
DX11IndexedGeometry geom = new DX11IndexedGeometry(context);
geom.Tag = settings;
geom.PrimitiveType = settings.PrimitiveType;
geom.VerticesCount = 4;
geom.InputLayout = Pos3Norm3Tex2Vertex.Layout;
geom.VertexSize = Pos3Norm3Tex2Vertex.VertexSize;
geom.Topology = PrimitiveTopology.TriangleList;
DataStream ds = new DataStream(4 * Pos3Norm3Tex2Vertex.VertexSize, false, true);
Pos3Norm3Tex2Vertex v = new Pos3Norm3Tex2Vertex();
v.Position = Vector3.Normalize(new Vector3(1, 1, 1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0); ds.Write<Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(-1, -1, 1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0); ds.Write<Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(1, -1, -1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0); ds.Write<Pos3Norm3Tex2Vertex>(v);
v.Position = Vector3.Normalize(new Vector3(-1, 1, -1)) * 0.5f; v.Normals = v.Position * 2.0f; v.TexCoords = new Vector2(0, 0); ds.Write<Pos3Norm3Tex2Vertex>(v);
geom.VertexBuffer = BufferHelper.CreateVertexBuffer(context, ds, true);
var indexstream = new DataStream(12 * 4, true, true);
int[] inds = new int[] {
0,1,2,
1,2,3,
2,3,0,
3,0,1 };
indexstream.WriteRange(inds);
geom.IndexBuffer = new DX11IndexBuffer(context, indexstream, false, true);
geom.HasBoundingBox = true;
geom.BoundingBox = new BoundingBox(new Vector3(-1, -1, -1), new Vector3(1, 1, 1));
return geom;
}
