POV-Ray : Newsgroups : povray.general : Dumb clock animation question : Re: Dumb clock animation question Server Time: 27 Jun 2019 04:53:58 GMT
  Re: Dumb clock animation question  
From: clipka
Date: 19 Feb 2019 09:28:04
Am 19.02.2019 um 06:18 schrieb Mike Horvath:
> On 2/17/2019 7:27 AM, Tor Olav Kristensen wrote:
>> #macro MacroName(StartTime, EndTime)
>>
>>      #local R = (clock - StartTime)/(EndTime - StartTime);
>>      #local S = min(max(0, R), 1);
>>
>>      S
>>
>> #end // macro MacroName
> 
> What do you think would be a good way to gradually speed up and then 
> slow down the motions using this macro? I'm thinking it would require a 
> sine wave (or some other bell curve), but am not sure how to apply it.

A spline might help with this.


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