/// Event handler for type change menu item
private void ChangeType(object sender, EventArgs e)
{
SpiroInstance si;
if ( CurrentSpiro is Epitrochoid )
si=new Hypotrochoid();
else
si=new Epitrochoid();
// clone all values from current
si.Clone(CurrentSpiro);
// replace current with new
spiros[current]=si;
Invalidate();
UpdateFloatingButton();
}
private void SpiroComplete(object sender, EventArgs e)
{
SpiroInstance si=sender as SpiroInstance;
if ( numSpiros < 4 )
{
SpiroInstance next;
if ( (numSpiros % 2) == 1 )
{
next=new Epitrochoid();
}
else
{
next=new Hypotrochoid();
}
next.ShowTrace=false;
next.Randomise=false;
next.MaxRandomDiameter=Math.Min(Bounds.Width, Bounds.Height) / 4;
AutoRandom(next);
spiroCanvas1.AddSpiro(next);
numSpiros++;
}
AutoRandom(si);
}
/// Add a new default epitrochoid
public void AddEpitrochoid()
{
SpiroInstance si=new Epitrochoid();
spiros.Add(si);
}
// see description in base class
public override SpiroInstance Clone()
{
SpiroInstance clone=new Epitrochoid();
clone.Clone(this);
return clone;
}