210 lines
4.9 KiB
Factor
210 lines
4.9 KiB
Factor
|
|
USING: kernel alien.c-types combinators namespaces arrays
|
|
sequences sequences.lib namespaces.lib splitting
|
|
math math.functions math.vectors math.trig
|
|
opengl.gl opengl.glu opengl ui ui.gadgets.slate
|
|
vars
|
|
random-weighted colors.hsv cfdg.gl ;
|
|
|
|
IN: cfdg
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
! hsba { hue saturation brightness alpha }
|
|
|
|
: <hsba> 4array ;
|
|
|
|
VAR: color
|
|
|
|
! ( -- val )
|
|
|
|
: hue>> 0 color> nth ;
|
|
: saturation>> 1 color> nth ;
|
|
: brightness>> 2 color> nth ;
|
|
: alpha>> 3 color> nth ;
|
|
|
|
! ( val -- )
|
|
|
|
: >>hue 0 color> set-nth ;
|
|
: >>saturation 1 color> set-nth ;
|
|
: >>brightness 2 color> set-nth ;
|
|
: >>alpha 3 color> set-nth ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: hsva>rgba ( hsva -- rgba ) [ 3 head hsv>rgb ] [ peek ] bi suffix ;
|
|
|
|
: gl-set-hsba ( hsva -- ) hsva>rgba gl-color ;
|
|
|
|
: gl-clear-hsba ( hsva -- ) hsva>rgba gl-clear ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
! if (adjustment < 0)
|
|
! base + base * adjustment
|
|
|
|
! if (adjustment > 0)
|
|
! base + (1 - base) * adjustment
|
|
|
|
: adjust ( val num -- val ) dup 0 > [ 1 pick - * + ] [ dupd * + ] if ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: hue ( num -- ) hue>> + 360 mod >>hue ;
|
|
|
|
: saturation ( num -- ) saturation>> swap adjust >>saturation ;
|
|
: brightness ( num -- ) brightness>> swap adjust >>brightness ;
|
|
: alpha ( num -- ) alpha>> swap adjust >>alpha ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: h hue ;
|
|
: sat saturation ;
|
|
: b brightness ;
|
|
: a alpha ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
VAR: color-stack
|
|
|
|
: init-color-stack ( -- ) V{ } clone >color-stack ;
|
|
|
|
: push-color ( -- ) color> color-stack> push color> clone >color ;
|
|
|
|
: pop-color ( -- ) color-stack> pop dup >color gl-set-hsba ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: double-nth* ( c-array indices -- seq ) swap [ double-nth ] curry map ;
|
|
|
|
: check-size ( modelview -- num ) { 0 1 4 5 } double-nth* [ abs ] map biggest ;
|
|
|
|
VAR: threshold
|
|
|
|
: iterate? ( -- ? ) get-modelview-matrix check-size threshold> > ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
! cos 2a sin 2a 0 0
|
|
! sin 2a -cos 2a 0 0
|
|
! 0 0 1 0
|
|
! 0 0 0 1
|
|
|
|
! column major order
|
|
|
|
: gl-flip ( angle -- ) deg>rad dup dup dup
|
|
[ 2 * cos , 2 * sin , 0 , 0 ,
|
|
2 * sin , 2 * cos neg , 0 , 0 ,
|
|
0 , 0 , 1 , 0 ,
|
|
0 , 0 , 0 , 1 , ]
|
|
{ } make >c-double-array glMultMatrixd ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: circle ( -- )
|
|
color> gl-set-hsba
|
|
gluNewQuadric dup 0 0.5 20 10 gluDisk gluDeleteQuadric ;
|
|
|
|
: triangle ( -- )
|
|
color> gl-set-hsba
|
|
GL_POLYGON glBegin
|
|
0 0.577 glVertex2d
|
|
0.5 -0.289 glVertex2d
|
|
-0.5 -0.289 glVertex2d
|
|
glEnd ;
|
|
|
|
: square ( -- )
|
|
color> gl-set-hsba
|
|
GL_POLYGON glBegin
|
|
-0.5 0.5 glVertex2d
|
|
0.5 0.5 glVertex2d
|
|
0.5 -0.5 glVertex2d
|
|
-0.5 -0.5 glVertex2d
|
|
glEnd ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: size ( scale -- ) dup 1 glScaled ;
|
|
|
|
: size* ( scale-x scale-y -- ) 1 glScaled ;
|
|
|
|
: rotate ( angle -- ) 0 0 1 glRotated ;
|
|
|
|
: x ( x -- ) 0 0 glTranslated ;
|
|
|
|
: y ( y -- ) 0 swap 0 glTranslated ;
|
|
|
|
: flip ( angle -- ) gl-flip ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: s size ;
|
|
: s* size* ;
|
|
: r rotate ;
|
|
: f flip ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: do ( quot -- )
|
|
push-modelview-matrix
|
|
push-color
|
|
call
|
|
pop-modelview-matrix
|
|
pop-color ; inline
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
: recursive ( quot -- ) iterate? swap when ;
|
|
|
|
: multi ( seq -- ) random-weighted* call ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
VAR: background
|
|
|
|
: set-initial-background ( -- ) { 0 0 1 1 } clone >color ;
|
|
|
|
: set-background ( -- )
|
|
set-initial-background
|
|
background> call
|
|
color> gl-clear-hsba ;
|
|
|
|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
|
|
USING: rewrite-closures ;
|
|
|
|
VAR: viewport ! { left width bottom height }
|
|
|
|
VAR: start-shape
|
|
|
|
: set-initial-color ( -- ) { 0 0 0 1 } clone >color ;
|
|
|
|
: display ( -- )
|
|
|
|
GL_PROJECTION glMatrixMode
|
|
glLoadIdentity
|
|
viewport> first dup viewport> second +
|
|
viewport> third dup viewport> fourth + gluOrtho2D
|
|
|
|
GL_MODELVIEW glMatrixMode
|
|
glLoadIdentity
|
|
|
|
set-background
|
|
|
|
GL_COLOR_BUFFER_BIT glClear
|
|
|
|
init-modelview-matrix-stack
|
|
init-color-stack
|
|
|
|
set-initial-color
|
|
|
|
color> gl-set-hsba
|
|
|
|
start-shape> call ;
|
|
|
|
: cfdg-window* ( -- )
|
|
[ display ] closed-quot <slate>
|
|
{ 500 500 } over set-slate-dim
|
|
dup "CFDG" open-window ;
|
|
|
|
: cfdg-window ( -- ) [ cfdg-window* ] with-ui ; |