/// <summary>
/// Called by Rhino to 'run' this command
/// </summary>
protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
// Select objects to orient
var go = new GetObject();
go.SetCommandPrompt("Select objects to orient");
go.SubObjectSelect = false;
go.EnableIgnoreGrips(true);
go.GetMultiple(1, 0);
if (go.CommandResult() != Result.Success)
{
return(go.CommandResult());
}
// Point to move from
var gp = new GetPoint();
gp.SetCommandPrompt("Point to move from");
gp.Get();
if (gp.CommandResult() != Result.Success)
{
return(gp.CommandResult());
}
// Calculate source plane
var plane = gp.View().ActiveViewport.ConstructionPlane();
plane.Origin = gp.Point();
// Mesh to orient on
var gm = new GetObject();
gm.SetCommandPrompt("Mesh to orient on");
gm.GeometryFilter = ObjectType.Mesh;
gm.EnablePreSelect(false, true);
gm.DeselectAllBeforePostSelect = false;
gm.Get();
if (gm.CommandResult() != Result.Success)
{
return(gm.CommandResult());
}
var mesh = gm.Object(0).Mesh();
if (null == mesh)
{
return(Result.Failure);
}
// Point on mesh to orient to
var gpm = new GetPointOnMesh(mesh, plane);
gpm.SetCommandPrompt("Point on mesh to orient to");
gpm.AppendObjects(go);
gpm.Get();
if (gpm.CommandResult() != Result.Success)
{
return(gpm.CommandResult());
}
// One final calculation
var xform = new Transform(1);
if (gpm.CalculateTransform(gpm.View().ActiveViewport, gpm.Point(), ref xform))
{
foreach (var objRef in go.Objects())
{
var obj = objRef.Object();
if (null != obj)
{
doc.Objects.Transform(obj, xform, true);
}
}
doc.Views.Redraw();
}
return(Result.Success);
}