chris colfax has an animation setup for pov that includes all kinds of
acceleration and deceleration.  find a link to it from the pov links at
pov.org.  don't reinvent the wheel.

Shawn S wrote:
> 
> I'm very new to povray(less than two weeks) but I'm making great
> strides. I just need help with one part of an animation that I doing.
> Here is the code and see if you can help me out with the last part
> please. (the ? is at the bottom)
> 
>    #if ( clock <= 1 )
>     camera { location <1.4, 11.5, .11>
>              look_at <1.4, 0, .11>
>       translate <0,-clock*9,0>
>       }
> 
>     #else
>      #if (clock <= 2)
>       #declare Clock1 = clock -1;
>       camera { location <1.4, 1.70, .11>
>               look_at <1.4, 0, 1>
>      rotate <Clock1*-65,0 , 0>
>      //translate <0, -clock*1,0>
> 
>        }
>      #else
>       #if (clock >2)
>        #declare ElseClock = clock - 2;
> 
>        camera { location <1.4,.9, -1.5>
>                look_at <1.4, .9, 1>
>         translate <0,0,-2*1>
>         rotate <0,0,0> }
> 
>      #end
>      #end
>      #end
>  I want the camera to move back fast at first but then slow down. Can
> anyone help me out. Also(This isn't as bad a problem) can anyone suggest
> on how to smooth out the whole operation. There is a text object  that
> the camera dives down on the rotates back to show the message then I
> want to to fly off backwards then slowdown. If I'm not getting my point
> across email me at
> 
> sjs### [at] garnetacnsfsuedu
> 
> Thanks
>     Shawn

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