24 lines
527 B
Factor
24 lines
527 B
Factor
USING: accessors game-input game-loop kernel math ui.gadgets
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ui.gadgets.worlds ui.gestures ;
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IN: game-worlds
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TUPLE: game-world < world
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game-loop
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{ tick-slice float initial: 0.0 } ;
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GENERIC: tick-length ( world -- millis )
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M: game-world draw*
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swap >>tick-slice draw-world ;
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M: game-world begin-world
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open-game-input
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dup [ tick-length ] [ ] bi <game-loop> [ >>game-loop ] keep start-loop
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drop ;
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M: game-world end-world
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[ [ stop-loop ] when* f ] change-game-loop
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close-game-input
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drop ;
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