1 ! Copyright (C) 2008 Eduardo Cavazos.
2 ! Copyright (C) 2011 Anton Gorenko.
3 ! See http://factorcode.org/license.txt for BSD license.
4 USING: accessors arrays boids.simulation calendar classes
5 colors.constants kernel literals locals math math.functions
6 math.trig models namespaces opengl opengl.demo-support opengl.gl
7 sequences threads ui ui.commands ui.gadgets ui.gadgets.borders
8 ui.gadgets.buttons ui.gadgets.frames ui.gadgets.grids
9 ui.gadgets.labeled ui.gadgets.labels ui.gadgets.packs
10 ui.gadgets.sliders ui.gadgets.tracks ui.gadgets.worlds ui.render
12 QUALIFIED-WITH: models.range mr
15 TUPLE: boids-gadget < gadget paused boids behaviours dt ;
17 CONSTANT: initial-population 100
18 CONSTANT: initial-dt 5
20 : initial-behaviours ( -- seq )
21 1.0 75 -0.1 <cohesion>
22 1.0 40 -0.5 <alignment>
23 1.0 25 -1.0 <separation>
26 : <boids-gadget> ( -- gadget )
29 ${ width height } >>pref-dim
30 initial-population random-boids >>boids
31 initial-behaviours >>behaviours
34 M: boids-gadget ungraft*
37 : vec>deg ( vec -- deg )
38 first2 rect> arg rad>deg ; inline
40 : draw-boid ( boid -- )
42 vel>> vec>deg 0 0 1 glRotated
50 : draw-boids ( boids -- )
51 0.0 0.0 0.0 0.5 glColor4f
54 M: boids-gadget draw-gadget* ( boids-gadget -- )
57 : iterate-system ( boids-gadget -- )
58 dup [ boids>> ] [ behaviours>> ] [ dt>> ] tri
59 simulate >>boids drop ;
61 :: start-boids-thread ( gadget -- )
71 TUPLE: range-observer quot ;
73 M: range-observer model-changed
74 [ range-value ] dip quot>> call( value -- ) ;
76 : connect ( range-model quot -- )
77 range-observer boa swap add-connection ;
79 :: behavior-panel ( behavior -- gadget )
80 2 3 <frame> white-interior { 2 4 } >>gap { 0 0 } >>filled-cell
82 "weight" <label> { 0 0 } grid-add
83 behavior weight>> 100 * >fixnum 0 0 200 1 mr:<range>
84 dup [ 100.0 / behavior weight<< ] connect
85 horizontal <slider> { 1 0 } grid-add
87 "radius" <label> { 0 1 } grid-add
88 behavior radius>> 0 0 100 1 mr:<range>
89 dup [ behavior radius<< ] connect
90 horizontal <slider> { 1 1 } grid-add
92 "angle" <label> { 0 2 } grid-add
93 behavior angle-cos>> acos rad>deg >fixnum 0 0 180 1 mr:<range>
94 dup [ deg>rad cos behavior angle-cos<< ] connect
95 horizontal <slider> { 1 2 } grid-add
97 { 5 5 } <border> white-interior
99 behavior class-of name>> COLOR: gray <framed-labeled-gadget> ;
101 :: set-population ( n boids-gadget -- )
103 dup length n - dup 0 >
105 [ neg random-boids append ] if
106 ] change-boids drop ;
109 : find-boids-gadget ( gadget -- boids-gadget )
110 dup boids-gadget? [ children>> [ boids-gadget? ] find nip ] unless ;
113 : com-pause ( boids-gadget -- )
115 dup paused>> not [ >>paused ] keep
116 [ drop ] [ start-boids-thread ] if ;
118 : com-randomize ( boids-gadget -- )
120 [ length random-boids ] change-boids relayout-1 ;
122 :: simulation-panel ( boids-gadget -- gadget )
123 <pile> white-interior
125 2 2 <frame> { 2 4 } >>gap { 0 0 } >>filled-cell
127 "population" <label> { 0 0 } grid-add
128 initial-population 0 0 200 10 mr:<range>
129 dup [ boids-gadget set-population ] connect
130 horizontal <slider> { 1 0 } grid-add
132 "speed" <label> { 0 1 } grid-add
133 boids-gadget dt>> 0 1 10 1 mr:<range>
134 dup [ boids-gadget dt<< ] connect
135 horizontal <slider> { 1 1 } grid-add
137 { 5 5 } <border> add-gadget
139 <shelf> { 2 2 } >>gap
140 "pause" [ drop boids-gadget com-pause ]
141 <border-button> add-gadget
142 "randomize" [ drop boids-gadget com-randomize ]
143 <border-button> add-gadget
145 { 5 5 } <border> add-gadget
147 "simulation" COLOR: gray <framed-labeled-gadget> ;
149 TUPLE: boids-frame < pack ;
151 :: <boids-frame> ( -- boids-frame )
152 boids-frame new horizontal >>orientation
153 <boids-gadget> :> boids-gadget
154 boids-gadget [ start-boids-thread ] keep
157 <pile> { 5 5 } >>gap 1.0 >>fill
159 boids-gadget simulation-panel
162 boids-gadget behaviours>>
163 [ behavior-panel add-gadget ] each
165 { 5 5 } <border> add-gadget ;
167 boids-frame "touchbar" f {
172 MAIN-WINDOW: boids { { title "Boids" } }
173 <boids-frame> >>gadgets ;