Jerky Animated Graphics

[Terence Heaford]

Just added lock screen and unlock screen


on mouseUp
   put fld "VERTS" into fld "VERTS2"
   put fld "VERTS" into fld "VERTS3"
   put 2 into STRETCH
   repeat until STRETCH > 300
      lock screen
      put (360 + STRETCH),310 into line 3 of fld "VERTS2"
      put (360 - STRETCH),10 into line 4 of fld "VERTS2"
      ----
      put (360 - STRETCH),310 into line 3 of fld "VERTS3"
      put (360 + STRETCH),10 into line 2 of fld "VERTS3"
       put (360 + STRETCH),10 into line 4 of fld "VERTS3"
      set the relativePoints of graphic "GG" to fld "VERTS2"
      set the relativePoints of graphic "GG2" to fld "VERTS3"
   set the left of graphic "GG" to 50
   set the top of graphic "GG" to 10
   set the left of graphic "GG2" to 50
   set the top of graphic "GG2" to 10
   add 2 to STRETCH
   unlock screen
   --wait 2 ticks
   end repeat
end mouseUp

All the best

Terry


> On 21 Mar 2016, at 19:18, RM <richmondmathewson at gmail.com> wrote:
> 
> I have been messing around with what are, frankly, extremely simplistic, experiments in animating
> polygon graphics.
> 
> However, as I change the vertices of a graphic the thing won't stay still but keeps moving its centre,
> so I have to keep reseting its left side. As a result while the animation is running the whole thing looks
> like a horrible, jerky film from about 1880, which, while charming in its own way is not what I am
> aiming at: a smooth, flowing animation.
> 
> I would be most grateful for any ideas on how to achieve that smoothness of motion.
> 
> Images and stack here: http://forums.livecode.com/viewtopic.php?f=10&t=26858
> 
> Richmond.
> 
> _______________________________________________
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode