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 opengl opengl.demo-support opengl.gl sequences
7 threads ui ui.gadgets ui.gadgets.borders ui.gadgets.buttons
8 ui.gadgets.frames ui.gadgets.grids ui.gadgets.labeled
9 ui.gadgets.labels ui.gadgets.packs ui.gadgets.sliders
10 ui.gadgets.tracks ui.render ui.tools.common ;
11 QUALIFIED-WITH: models.range mr
14 TUPLE: boids-gadget < gadget paused boids behaviours dt ;
16 CONSTANT: initial-population 100
17 CONSTANT: initial-dt 5
19 : initial-behaviours ( -- seq )
20 1.0 75 -0.1 <cohesion>
21 1.0 40 -0.5 <alignment>
22 1.0 25 -1.0 <separation>
25 : <boids-gadget> ( -- gadget )
28 ${ width height } >>pref-dim
29 initial-population random-boids >>boids
30 initial-behaviours >>behaviours
33 M: boids-gadget ungraft*
36 : vec>deg ( vec -- deg )
37 first2 rect> arg rad>deg ; inline
39 : draw-boid ( boid -- )
41 vel>> vec>deg 0 0 1 glRotated
49 : draw-boids ( boids -- )
50 0.0 0.0 0.0 0.5 glColor4f
53 M: boids-gadget draw-gadget* ( boids-gadget -- )
56 : iterate-system ( boids-gadget -- )
57 dup [ boids>> ] [ behaviours>> ] [ dt>> ] tri
58 simulate >>boids drop ;
60 :: start-boids-thread ( gadget -- )
70 TUPLE: range-observer quot ;
72 M: range-observer model-changed
73 [ range-value ] dip quot>> call( value -- ) ;
75 : connect ( range-model quot -- )
76 range-observer boa swap add-connection ;
78 :: behavior-panel ( behavior -- gadget )
79 2 3 <frame> white-interior { 2 4 } >>gap { 0 0 } >>filled-cell
81 "weight" <label> { 0 0 } grid-add
82 behavior weight>> 100 * >fixnum 0 0 200 1 mr:<range>
83 dup [ 100.0 / behavior weight<< ] connect
84 horizontal <slider> { 1 0 } grid-add
86 "radius" <label> { 0 1 } grid-add
87 behavior radius>> 0 0 100 1 mr:<range>
88 dup [ behavior radius<< ] connect
89 horizontal <slider> { 1 1 } grid-add
91 "angle" <label> { 0 2 } grid-add
92 behavior angle-cos>> acos rad>deg >fixnum 0 0 180 1 mr:<range>
93 dup [ deg>rad cos behavior angle-cos<< ] connect
94 horizontal <slider> { 1 2 } grid-add
96 { 5 5 } <border> white-interior
98 behavior class-of name>> COLOR: gray <framed-labeled-gadget> ;
100 :: set-population ( n boids-gadget -- )
102 dup length n - dup 0 >
104 [ neg random-boids append ] if
105 ] change-boids drop ;
107 : pause-toggle ( boids-gadget -- )
108 dup paused>> not [ >>paused ] keep
109 [ drop ] [ start-boids-thread ] if ;
111 : randomize-boids ( boids-gadget -- )
112 [ length random-boids ] change-boids drop ;
114 :: simulation-panel ( boids-gadget -- gadget )
115 <pile> white-interior
117 2 2 <frame> { 2 4 } >>gap { 0 0 } >>filled-cell
119 "population" <label> { 0 0 } grid-add
120 initial-population 0 0 200 10 mr:<range>
121 dup [ boids-gadget set-population ] connect
122 horizontal <slider> { 1 0 } grid-add
124 "speed" <label> { 0 1 } grid-add
125 boids-gadget dt>> 0 1 10 1 mr:<range>
126 dup [ boids-gadget dt<< ] connect
127 horizontal <slider> { 1 1 } grid-add
129 { 5 5 } <border> add-gadget
131 <shelf> { 2 2 } >>gap
132 "pause" [ drop boids-gadget pause-toggle ]
133 <border-button> add-gadget
134 "randomize" [ drop boids-gadget randomize-boids ]
135 <border-button> add-gadget
137 { 5 5 } <border> add-gadget
139 "simulation" COLOR: gray <framed-labeled-gadget> ;
141 :: create-gadgets ( -- gadgets )
143 <boids-gadget> :> boids-gadget
144 boids-gadget [ start-boids-thread ] keep
147 <pile> { 5 5 } >>gap 1.0 >>fill
149 boids-gadget simulation-panel
152 boids-gadget behaviours>>
153 [ behavior-panel add-gadget ] each
155 { 5 5 } <border> add-gadget ;
157 MAIN-WINDOW: boids { { title "Boids" } }