graying out the cursor is done in the grayscale version, so do you want a combination of the two where the vertices stay black but the cursor is gray?

When I add line drawing or selecting multiple vertices, would you prefer the points to stay black and the selection being indicated by multiple gray cursors? Or add gray cursors to the selected points, maybe with the real cursor being black, or do you prefer to have it all in b&w?

Yes, I'd say vertices stay black but cursor is gray, and then in multiple vertex selection I'd say either multiple gray cursors, or do the opposite and have one of them be gray point on a black cursor. It's just the contrast so that you can see the actual position of the point without the cursor getting in the way. It's totally functional the other way as well, it's mostly an issue with the further points where the length of the cursor lines are shorter.

It definitely looks great there in that Arwing video. Having everything in the model be black makes it a lot easier to see what you're doing and what you're working with.

I guess the next step is opaque polygons :O

Heh well I guess the first step is triangulation, THEN opaque triangles.

Do you have any ideas on how you're going to specify triangles? I feel like the user would manually select a triangle by choosing the three vertices, and THAT's when the model should be gray. Points and edges would turn black once selected. Maybe you can use like a gray-black flashing cursor or something for that drawing so that it contrasts with both the gray and the black models.

The fact is that you'll almost definitely want user-selected triangles, rather than having to write any triangulation routines for arbitrary polygon selections (which would be a total bitch to write). You COULD write some triangulation routines, but I wouldn't recommend it.

Darn, that is impressive . I am glad this also runs pretty fast.