[etoys-dev] How can I set the tick rate of a script from a script?

K. K. Subramaniam kksubbu.ml at gmail.com
Wed Jun 2 06:02:19 EDT 2010

On Wednesday 02 Jun 2010 12:41:21 pm Steve Thomas wrote:
> Once again smalltalk will be fine, as I do not believe there are any tiles
> to do this.
True, but this gives you a golden opportunity to build cams.

You can use a clock face (line in a circle) with a single rotating hand. At 
specific intervals along the circle place a trigger dot so that when the hand 
moves over it, a script is triggered. The tick rate of the script can now be 
varied by adjusting the dot(s) along the circle. The dot's position can be 
keyed to a variable, or the line reset its heading when it touches the dot. 
Many other variations are possible.


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