steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

boids.ui: Use processing.shapes

db4
Eduardo Cavazos 2008-07-28 00:50:22 -05:00
parent 7a3a0d3677
commit 86a881f1f2
1 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
extra/boids/ui/ui.factor
View File

@ -1,6 +1,7 @@
USING: combinators.short-circuit kernel namespaces
math
math.trig
math.functions
math.vectors
math.parser
@ -21,7 +22,8 @@ USING: combinators.short-circuit kernel namespaces
ui.gestures
assocs.lib vars rewrite-closures boids accessors
math.geometry.rect
newfx ;
newfx
processing.shapes ;
IN: boids.ui
@ -29,17 +31,22 @@ IN: boids.ui
! draw-boid
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: point-a ( boid -- a ) pos>> ;
: point-b ( boid -- b ) [ pos>> ] [ vel>> normalize* 20 v*n ] bi v+ ;
: boid-points ( boid -- point-a point-b ) [ point-a ] [ point-b ] bi ;
: draw-boid ( boid -- ) boid-points gl-line ;
: draw-boid ( boid -- )
glPushMatrix
dup pos>> gl-translate-2d
vel>> first2 rect> arg rad>deg 0 0 1 glRotated
{ { 0 5 } { 0 -5 } { 20 0 } } triangle
glPopMatrix ;
: draw-boids ( -- ) boids> [ draw-boid ] each ;
: display ( -- ) black gl-color draw-boids ;
: boid-color ( -- color ) { 1.0 0 0 0.3 } ;
: display ( -- )
white gl-clear
boid-color >fill-color
2 glLineWidth
draw-boids ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!