JavaScript motion blur demo
dhotson.github.io
dhotson.github.io
Code is here: https://github.com/dhotson/dhotson.github.com/blob/master/bl...
Something that's kind of cool is that it’s simulating a camera’s shutter opening and closing. ie the shutter doesn’t open instantaneously—it takes some time to fully open.
Pixar uses a similar technique in their RenderMan renderer: http://renderman.pixar.com/products/whats_renderman/3.html