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 kernel
5 literals locals math math.functions math.trig models opengl
6 opengl.demo-support opengl.gl sequences threads ui ui.gadgets
7 ui.gadgets.borders ui.gadgets.buttons ui.gadgets.frames
8 ui.gadgets.grids ui.gadgets.labeled ui.gadgets.labels
9 ui.gadgets.packs ui.gadgets.sliders ui.render ;
10 QUALIFIED-WITH: models.range mr
13 TUPLE: boids-gadget < gadget paused boids behaviours dt ;
15 CONSTANT: initial-population 100
16 CONSTANT: initial-dt 5
18 : initial-behaviours ( -- seq )
19 1.0 75 -0.1 <cohesion>
20 1.0 40 -0.5 <alignment>
21 1.0 25 -1.0 <separation>
24 : <boids-gadget> ( -- gadget )
27 ${ width height } >>pref-dim
28 initial-population random-boids >>boids
29 initial-behaviours >>behaviours
32 M: boids-gadget ungraft*
35 : vec>deg ( vec -- deg )
36 first2 rect> arg rad>deg ; inline
38 : draw-boid ( boid -- )
40 vel>> vec>deg 0 0 1 glRotated
48 : draw-boids ( boids -- )
49 0.0 0.0 0.0 0.5 glColor4f
52 M: boids-gadget draw-gadget* ( boids-gadget -- )
55 : iterate-system ( boids-gadget -- )
56 dup [ boids>> ] [ behaviours>> ] [ dt>> ] tri
57 simulate >>boids drop ;
59 :: start-boids-thread ( gadget -- )
69 TUPLE: range-observer quot ;
71 M: range-observer model-changed
72 [ range-value ] dip quot>> call( value -- ) ;
74 : connect ( range-model quot -- )
75 range-observer boa swap add-connection ;
77 :: behavior-panel ( behavior -- gadget )
78 2 3 <frame> { 2 4 } >>gap { 0 0 } >>filled-cell
80 "weight" <label> { 0 0 } grid-add
81 behavior weight>> 100 * >fixnum 0 0 200 1 mr:<range>
82 dup [ 100.0 / behavior weight<< ] connect
83 horizontal <slider> { 1 0 } grid-add
85 "radius" <label> { 0 1 } grid-add
86 behavior radius>> 0 0 100 1 mr:<range>
87 dup [ behavior radius<< ] connect
88 horizontal <slider> { 1 1 } grid-add
90 "angle" <label> { 0 2 } grid-add
91 behavior angle-cos>> acos rad>deg >fixnum 0 0 180 1 mr:<range>
92 dup [ deg>rad cos behavior angle-cos<< ] connect
93 horizontal <slider> { 1 2 } grid-add
95 behavior class-of name>> <labeled-gadget> ;
97 :: set-population ( n boids-gadget -- )
99 dup length n - dup 0 >
101 [ neg random-boids append ] if
102 ] change-boids drop ;
104 : pause-toggle ( boids-gadget -- )
105 dup paused>> not [ >>paused ] keep
106 [ drop ] [ start-boids-thread ] if ;
108 : randomize-boids ( boids-gadget -- )
109 [ length random-boids ] change-boids drop ;
111 :: simulation-panel ( boids-gadget -- gadget )
114 2 2 <frame> { 4 4 } >>gap { 0 0 } >>filled-cell
116 "population" <label> { 0 0 } grid-add
117 initial-population 0 0 200 10 mr:<range>
118 dup [ boids-gadget set-population ] connect
119 horizontal <slider> { 1 0 } grid-add
121 "speed" <label> { 0 1 } grid-add
122 boids-gadget dt>> 0 1 10 1 mr:<range>
123 dup [ boids-gadget dt<< ] connect
124 horizontal <slider> { 1 1 } grid-add
128 <shelf> { 2 2 } >>gap
129 "pause" [ drop boids-gadget pause-toggle ]
130 <border-button> add-gadget
131 "randomize" [ drop boids-gadget randomize-boids ]
132 <border-button> add-gadget
136 "simulation" <labeled-gadget> ;
138 :: create-gadgets ( -- gadgets )
140 <boids-gadget> :> boids-gadget
141 boids-gadget [ start-boids-thread ] keep
144 <pile> { 2 2 } >>gap 1.0 >>fill
146 boids-gadget simulation-panel
149 boids-gadget behaviours>>
150 [ behavior-panel add-gadget ] each
155 MAIN-WINDOW: boids { { title "Boids" } }