game-of-life: experimental Conway's Game of Life.

windows-high-dpi
John Benediktsson 2018-03-09 12:13:07 -08:00
parent e37b530338
commit 17eabacd2b
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John Benediktsson

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! Copyright (C) 2018 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
USING: accessors arrays assocs bit-arrays calendar circular
colors.constants fry kernel locals math math.order namespaces
opengl random sequences timers ui ui.commands ui.gadgets
ui.gadgets.toolbar ui.gadgets.tracks ui.gestures ui.render words
;
IN: game-of-life
: make-grid ( rows cols -- grid )
'[ _ <bit-array> <circular> ] replicate <circular> ;
: glider ( grid -- grid )
{ { 2 1 } { 3 2 } { 1 3 } { 2 3 } { 3 3 } }
[ first2 pick nth t -rot set-nth ] each ;
: grid-dim ( grid -- rows cols )
[ length ] [ first length ] bi ;
CONSTANT: neighbors {
{ -1 -1 } { -1 0 } { -1 1 }
{ 0 -1 } { 0 1 }
{ 1 -1 } { 1 0 } { 1 1 }
}
:: count-neighbors ( grid -- counts )
grid grid-dim :> ( rows cols )
rows <iota> [| j |
cols <iota> [| i |
neighbors [
first2 [ i + ] [ j + ] bi* grid nth nth
] count
] map
] map ;
:: next-step ( grid -- )
grid count-neighbors :> neighbors
grid [| row j |
row [| cell i |
i j neighbors nth nth :> n
cell [
n 2 3 between? i j grid nth set-nth
] [
n 3 = [
t i j grid nth set-nth
] when
] if
] each-index
] each-index ;
TUPLE: grid-gadget < gadget grid timer ;
: <grid-gadget> ( grid -- gadget )
grid-gadget new
swap >>grid
dup '[ _ [ grid>> next-step ] [ relayout-1 ] bi ]
f 1/5 seconds <timer> >>timer ;
M: grid-gadget graft*
[ timer>> start-timer ] [ call-next-method ] bi ;
M: grid-gadget ungraft*
[ timer>> stop-timer ] [ call-next-method ] bi ;
M: grid-gadget pref-dim*
grid>> grid-dim [ 20 * ] bi@ 2array ;
:: draw-cells ( gadget -- )
COLOR: black gl-color
gadget grid>> [| row j |
row [| cell i |
cell [
i j [ 20 * ] bi@ 2array { 20 20 } gl-fill-rect
] when
] each-index
] each-index ;
:: draw-lines ( gadget -- )
gadget pref-dim first2 :> ( w h )
gadget grid>> grid-dim :> ( rows cols )
COLOR: gray gl-color
rows <iota> [| j |
j 20 * :> y
{ 0 y } { w y } gl-line
cols <iota> [| i |
i 20 * :> x
{ x 0 } { x h } gl-line
] each
] each ;
M: grid-gadget draw-gadget*
[ draw-cells ] [ draw-lines ] bi ;
:: on-click ( gadget -- )
gadget hand-rel first2 [ 20 /i ] bi@ :> ( i j )
i j [ 0 19 between? ] bi@ and [
i j gadget grid>> nth [ not ] change-nth
] when gadget relayout-1 ;
:: on-drag ( gadget -- )
gadget hand-rel first2 [ 20 /i ] bi@ :> ( i j )
i j [ 0 19 between? ] bi@ and [
t i j gadget grid>> nth set-nth
] when gadget relayout-1 ;
:: com-play ( gadget -- )
gadget timer>> thread>> [
gadget timer>> start-timer
] unless ;
:: com-step ( gadget -- )
gadget grid>> next-step
gadget relayout-1 ;
:: com-stop ( gadget -- )
gadget timer>> thread>> [
gadget timer>> stop-timer
] when ;
:: com-clear ( gadget -- )
gadget grid>> [ seq>> clear-bits ] each
gadget relayout-1 ;
:: com-random ( gadget -- )
gadget grid>> [ [ drop { t f } random ] map! drop ] each
gadget relayout-1 ;
:: com-glider ( gadget -- )
gadget grid>> glider drop
gadget relayout-1 ;
grid-gadget "toolbar" f {
{ T{ key-down { sym "1" } } com-play }
{ T{ key-down { sym "2" } } com-stop }
{ T{ key-down { sym "3" } } com-clear }
{ T{ key-down { sym "4" } } com-random }
{ T{ key-down { sym "5" } } com-glider }
{ T{ key-down { sym "6" } } com-step }
} define-command-map
grid-gadget "gestures" [
{
{ T{ button-down { # 1 } } [ on-click ] }
{ T{ drag { # 1 } } [ on-drag ] }
} assoc-union
] change-word-prop
TUPLE: life-gadget < track ;
: <life-gadget> ( -- gadget )
vertical life-gadget new-track
20 20 make-grid <grid-gadget>
[ <toolbar> format-toolbar f track-add ]
[ 1 track-add ] bi ;
M: life-gadget focusable-child* children>> second ;
MAIN-WINDOW: life-window {
{ title "Game of Life" }
} <life-gadget> >>gadgets ;

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Conway's Game of Life

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demos