On Mar 16, 2006, at 10:28 AM, Dave Addey wrote:
I've done this via method b), and it's really not that much of a pain.
One session of sitting down with the rotate tool in Photoshop and
automating the
export process, and you're done. I found that 72 graphics made for
a smooth
rotate - one for every 5 degrees. My class stores the actual angle
even
more accurately, and just uses the closest angle graphic when
rendering.
Nice work on the interface. I've have also done something like this
with similarly pleasant results. However, I disagree that it's not a
pain to render all those images. For me it was a huge nuisance. Add
to that Joe's idea of doing it in 3D (which I also did) and you are
looking at a major time commitment for just one knob. Then, if you
want to tweak something in the graphic, it's back to the drawing
board and re-rendering it all... nevermind that you often need
multiple designs in one interface. Ugh.
I think what I'm really looking for is a combination of ideas here.
I'd like to render one image as the background and like Joe said, the
knob shadows will remain realistic, since shadows don't change as you
rotate. Then, I'd like a small indicator like Phil mentioned that
does the actual rotation. Trouble is, anytime I've tried to use the
rotation in Shape2D, it never comes out feeling smooth. It always
feels a little bit off, almost like it has "corners" in the travel.
Maybe I just have bad math in my code.
Revised question: does anyone have a demo of a 2D Shape being rotated
smoothly?
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