static Cube()
{
var b1 = new MeshBuilder();
b1.AddBox(new Vector3(0, 0, 0), 1, 1, 1);
geometry = b1.ToMeshGeometry3D();
}
private bool HasValidStartEnd(int startIndex, int endIndex, Geometry3D geom, out string message)
{
message = string.Empty;
if (startIndex > geom.Colors.Count ||
endIndex > geom.Colors.Count - 1)
{
message = "The start and end indices must be within the bounds of the array.";
return false;
}
if (endIndex < startIndex)
{
message = "The end index must be greater than the start index.";
return false;
}
return true;
}
static InteractionHandle3D()
{
var b1 = new MeshBuilder();
b1.AddSphere(new Vector3(0.0f, 0.0f, 0), 0.135);
NodeGeometry = b1.ToMeshGeometry3D();
var b2 = new MeshBuilder();
b2.AddCylinder(new Vector3(0, 0, 0), new Vector3(1, 0, 0), 0.05, 32, true, true);
EdgeHGeometry = b2.ToMeshGeometry3D();
var b3 = new MeshBuilder();
b3.AddCylinder(new Vector3(0, 0, 0), new Vector3(0, 1, 0), 0.05, 32, true, true);
EdgeVGeometry = b3.ToMeshGeometry3D();
var b4 = new MeshBuilder();
b4.AddBox(new Vector3(0, 0, 0), 0.175, 0.175, 0.175);
BoxGeometry = b4.ToMeshGeometry3D();
}
/// <summary>
/// Returns a line geometry of the axis-aligned bounding-box of the given mesh.
/// </summary>
/// <param name="mesh">Input mesh for the computation of the b-box</param>
/// <returns></returns>
public static LineGeometry3D GenerateBoundingBox(Geometry3D mesh)
{
var bb = global::SharpDX.BoundingBox.FromPoints(mesh.Positions.Array);
return(GenerateBoundingBox(bb));
}
static Sphere()
{
var b1 = new MeshBuilder();
b1.AddSphere(new Vector3(0, 0, 0), 0.5);
geometry = b1.ToMeshGeometry3D();
}
/// <summary>
/// Returns a line geometry of the axis-aligned bounding-box of the given mesh.
/// </summary>
/// <param name="mesh">Input mesh for the computation of the b-box</param>
/// <returns></returns>
public static LineGeometry3D GenerateBoundingBox(Geometry3D mesh)
{
var bb = global::SharpDX.BoundingBox.FromPoints(mesh.Positions.Array);
return GenerateBoundingBox(bb);
}
/// <summary>
/// Returns a line geometry of the axis-aligned bounding-box of the given mesh.
/// </summary>
/// <param name="mesh">Input mesh for the computation of the b-box</param>
/// <returns></returns>
public static LineGeometry3D GenerateBoundingBox(Geometry3D mesh)
{
var bb = BoundingBoxExtensions.FromPoints(mesh.Positions);
return(GenerateBoundingBox(bb));
}