18 lines
720 B
Factor
18 lines
720 B
Factor
! Small library for cross-platform continuous functions of real time
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USING: kernel shuffle system locals
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prettyprint math io namespaces threads calendar ;
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IN: animations
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SYMBOL: last-loop
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SYMBOL: sleep-period
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: reset-progress ( -- ) millis last-loop set ;
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! : my-progress ( -- progress ) millis
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: progress ( -- time ) millis last-loop get - reset-progress ;
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: progress-peek ( -- progress ) millis last-loop get - ;
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: set-end ( duration -- end-time ) duration>milliseconds millis + ;
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: loop ( quot end -- ) dup millis > [ [ dup call ] dip loop ] [ 2drop ] if ; inline
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: animate ( quot duration -- ) reset-progress set-end loop ; inline
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: sample ( revs quot -- avg ) reset-progress dupd times progress swap / ; inline
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