Enable clash trails. After you check Show Clashes, a new checkbox
will appear: Trail Clashes. When checked, old clashes remain visible as new clashes form,
leaving a trail of past clashes. This option seemed intriguing, but was deemed unnecessary
and somewhat confusing
after it was implemented.
Enable clash trails and color clashes orange.
The default clash coloring (yellow for shallow clashes,
red for deeper clashes) looks choppy when clashes are trailed. A plain orange color looked better.
However, once trailing clashes was deemed unnecessary, the default clash coloring seemed
Translucent clashes were also tested. They look great, but slow down phi/psi rotation