#irony of new location
14-Nov-94 19:16:23
Sb: #848-#irony of new location
Fm: Fred Trafton 73132,2456
To: Brian Reed 73503,3364
Bri,
Catch my answer over in the Public Demo thread.
It actually works by drawing multiple pixels at once instead of just a single
one for each pass. Any set of 3 pixels must always be one of:
* * *
*** * * *
… or 90-degree rotations of the above. Using this fact, you can decide on
more than one pixel per iteration. Also, you can use symmetry to draw from both
ends at once towards the middle, thus doubling the speed again. Graphics Gems
has a pretty good explaination.
Regards,
Fred Trafton