Remove the old x11 version of lindenmayer

wayo.cavazos 2006-10-04 04:44:50 +00:00
parent c66f9ecc01
commit c09a36f4a5
4 changed files with 0 additions and 764 deletions

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----------------------------------------------------------------------
Install
----------------------------------------------------------------------
Load, compile and save your image:
"load.factor" run-file save
----------------------------------------------------------------------
Usage
----------------------------------------------------------------------
USE: lindenmayer setup-window
Towards the end of the "lindenmayer.factor" file, there are words for
various L-systems. Let's pick abop-1, which is an example from the
book The Algorithmic Beauty of Plants
abop-1
Look at the axiom
axiom get .
And the productions
rules get .
The string to be interpreted is stored in the result variable. Start
off by calling init to copy the axiom to result
init
Look at result
result get .
It's just the axiom. Now iterate the string
iterate
You should see a branch and a leaf. Look at the result again:
result get .
Call iterate as many times as you want. :-) After about 4 iterations
the tree starts to grow beyond the edge of the window. Change the
point that the camera is looking at:
{ 0 0 3 } camera-focus set-global display
You can also change where the camera is located:
{ 0 0 10 } camera-position set-global display
Happy gardening
----------------------------------------------------------------------
See also
----------------------------------------------------------------------
The Algorithmic Beauty of Plants
by Przemyslaw Prusinkiewicz and Aristid Lindenmayer
Available online: http://algorithmicbotany.org/papers/abop/abop.pdf
The Computational Beauty of Nature
Gary William Flake
Algorithmic Botany at the University of Calgary
http://algorithmicbotany.org/
Laurens Lapre's Lparser
http://home.wanadoo.nl/laurens.lapre/lparser.html

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! Eduardo Cavazos - wayo.cavazos@gmail.com
REQUIRES: contrib/math contrib/vars contrib/slate ;
USING: kernel alien namespaces arrays vectors math opengl math-contrib
parser sequences hashtables strings vars slate ;
IN: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: make-matrix >r { } make r> group ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: RU ( angle -- RU ) deg>rad
[ dup cos , dup sin , 0 ,
dup sin neg , dup cos , 0 ,
0 , 0 , 1 , ] 3 make-matrix nip ;
: RL ( angle -- RL ) deg>rad
[ dup cos , 0 , dup sin neg ,
0 , 1 , 0 ,
dup sin , 0 , dup cos , ] 3 make-matrix nip ;
: RH ( angle -- RH ) deg>rad
[ 1 , 0 , 0 ,
0 , dup cos , dup sin neg ,
0 , dup sin , dup cos , ] 3 make-matrix nip ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: position
SYMBOL: orientation
: rotate-U ( angle -- ) RU orientation get swap m. orientation set ;
: rotate-L ( angle -- ) RL orientation get swap m. orientation set ;
: rotate-H ( angle -- ) RH orientation get swap m. orientation set ;
: step ( length -- )
>r position get orientation get 0 0 r> 3array m.v v+ position set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! : record-vertex ( -- ) position get first3 glVertex3f ;
: record-vertex ( -- ) position get gl-vertex ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: rotate-z rotate-U ;
: rotate-y neg rotate-L ;
: rotate-x neg rotate-H ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: reset ( -- ) { 0 0 0 } position set 3 identity-matrix orientation set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
USE: sequences : length* length ; USE: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
DEFER: polygon-vertex
! : draw-forward ( length -- )
! GL_LINES glBegin record-vertex step record-vertex glEnd ;
: draw-forward ( length -- )
GL_LINES gl-begin
record-vertex
step
record-vertex
gl-end ;
: move-forward ( length -- ) step polygon-vertex ;
: sneak-forward ( length -- ) step ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! (v0 - v1) x (v1 - v2)
: polygon-normal ( { v0 v1 v2 } -- normal )
0 over nth over 1 swap nth v- swap
1 over nth swap 2 swap nth v- cross ;
! Test and replace with:
!
! : v0-v1 ( { v0 v1 v2 } -- vec ) first2 v- ;
!
! : v1-v2 ( { v0 v1 v2 } -- vec ) first3 v- nip ;
!
! : polygon-normal ( { v0 v1 v2 } -- normal ) dup v0-v1 swap v1-v2 cross ;
! : polygon ( vertices -- )
! GL_POLYGON glBegin dup polygon-normal first3 glNormal3f
! [ first3 glVertex3f ] each glEnd ;
! : polygon ( vertices -- )
! dup length* 3 >=
! [ GL_POLYGON glBegin dup polygon-normal first3 glNormal3f
! [ first3 glVertex3f ] each glEnd ]
! [ drop ]
! if ;
: (polygon) ( vertices -- )
GL_POLYGON gl-begin
dup polygon-normal gl-normal
[ gl-vertex ] each
gl-end ;
: polygon ( vertices -- ) dup length* 3 >= [ (polygon) ] [ drop ] if ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Maybe use an array instead of a vector
SYMBOL: vertices
! V{ } vertices set-global
: start-polygon ( -- ) 0 <vector> vertices set ;
: finish-polygon ( -- ) vertices get polygon ;
: polygon-vertex ( -- ) position get vertices get push ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! : setup-variables ( -- )
! V{ } vertices set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! How $ works:
! V x H
! L = -------
! |V x H|
! V : direction opposite to gravity
: V ( -- ) { 0 1 0 } ;
: H ( -- ) orientation get [ first ] map ;
: L ( -- ) orientation get [ second ] map ;
: U ( -- ) orientation get [ third ] map ;
: set-H ( { a b c } -- ) orientation get [ 0 swap set-nth ] 2each ;
: set-L ( { a b c } -- ) orientation get [ 1 swap set-nth ] 2each ;
: set-U ( { a b c } -- ) orientation get [ 2 swap set-nth ] 2each ;
: roll-until-horizontal ( -- ) V H cross dup norm v/n set-L ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Lindenmayer string rewriting
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Maybe use an array instead of a quot in the work of segment
SYMBOL: rules
: segment ( str -- seq )
{ { [ dup "" = ] [ drop [ ] ] }
{ [ dup length* 1 = ] [ unit ] }
{ [ 1 over nth CHAR: ( = ]
[ CHAR: ) over index 1 + ! str i
2dup head ! str i head
-rot tail ! head tail
segment swap add* ] }
{ [ t ] [ dup 1 head swap 1 tail segment swap add* ] } }
cond ;
: lookup ( str -- str ) dup 1 head rules get hash dup [ nip ] [ drop ] if ;
: rewrite ( str -- str ) segment [ lookup ] map concat ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Lindenmayer string interpretation
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! peek is the same as last
: last ( seq -- [ last-item ] ) dup length* 1- tail ;
SYMBOL: command-table
: segment-command ( seg -- command ) 1 head ;
: segment-parameter ( seg -- parameter )
dup length* 1 - 2 swap rot subseq parse call ;
: segment-parts ( seg -- param command )
dup segment-parameter swap segment-command ;
: exec-command ( str -- ) command-table get hash dup [ call ] [ drop ] if ;
: exec-command-with-param ( param command -- )
command-table get hash dup [ last call ] [ 2drop ] if ;
: (interpret) ( seg -- )
dup length* 1 =
[ exec-command ] [ segment-parts exec-command-with-param ] if ;
: interpret ( str -- ) segment [ (interpret) ] each ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Lparser dialect
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: angle
SYMBOL: length
SYMBOL: thickness
VAR: color-index
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
DEFER: set-thickness
DEFER: set-color-index
TUPLE: state position orientation angle length thickness color-index ;
! SYMBOL: states V{ } states set-global
SYMBOL: states
: save-state ( -- )
position get orientation get angle get length get thickness get
color-index get <state>
states get push ;
: restore-state ( -- )
states get pop
dup state-position position set
dup state-orientation orientation set
dup state-length length set
dup state-angle angle set
dup state-color-index set-color-index
dup state-thickness set-thickness
drop ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: scale-length ( m -- ) length get * length set ;
: scale-angle ( m -- ) angle get * angle set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
VAR: color-table
! : setup-color-table ( -- )
! { { 0 0 0 } ! black
! { 0.5 0.5 0.5 } ! grey
! { 1 0 0 } ! red
! { 1 1 0 } ! yellow
! { 0 1 0 } ! green
! { 0.25 0.88 0.82 } ! turquoise
! { 0 0 1 } ! blue
! { 0.63 0.13 0.94 } ! purple
! { 0.00 0.50 0.00 } ! dark green
! { 0.00 0.82 0.82 } ! dark turquoise
! { 0.00 0.00 0.50 } ! dark blue
! { 0.58 0.00 0.82 } ! dark purple
! { 0.50 0.00 0.00 } ! dark red
! { 0.25 0.25 0.25 } ! dark grey
! { 0.75 0.75 0.75 } ! medium grey
! { 1 1 1 } ! white
! } color-table set ;
: setup-color-table ( -- )
{ { 0 0 0 } ! black
{ 0.5 0.5 0.5 } ! grey
{ 1 0 0 } ! red
{ 1 1 0 } ! yellow
{ 0 1 0 } ! green
{ 0.25 0.88 0.82 } ! turquoise
{ 0 0 1 } ! blue
{ 0.63 0.13 0.94 } ! purple
{ 0.00 0.50 0.00 } ! dark green
{ 0.00 0.82 0.82 } ! dark turquoise
{ 0.00 0.00 0.50 } ! dark blue
{ 0.58 0.00 0.82 } ! dark purple
{ 0.50 0.00 0.00 } ! dark red
{ 0.25 0.25 0.25 } ! dark grey
{ 0.75 0.75 0.75 } ! medium grey
{ 1 1 1 } ! white
} [ 1 set-color-alpha ] map color-table set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Use the one in contrib/alien
USE: sequences
: >float-array ( seq -- )
dup length "float" <c-array> swap dup length >array
[ pick set-float-nth ] 2each ;
USE: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! : material-color ( r g b -- )
! 3array 1.0 add >float-array
! GL_FRONT_AND_BACK GL_AMBIENT_AND_DIFFUSE rot glMaterialfv ;
! : set-color-index ( i -- )
! dup color-index set color-table get nth dup
! first3 glColor3f first3 material-color ;
: material-color ( color -- )
GL_FRONT_AND_BACK GL_AMBIENT_AND_DIFFUSE rot gl-material-fv ;
: set-color-index ( i -- )
dup >color-index color-table> nth dup gl-color material-color ;
: inc-color-index ( -- ) color-index get 1 + set-color-index ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! : set-thickness ( i -- ) dup thickness set glLineWidth ;
: set-thickness ( i -- ) dup thickness set gl-line-width ;
: scale-thickness ( m -- ) thickness get * 0.5 max set-thickness ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: -rotate-y neg rotate-y ;
: -rotate-x neg rotate-x ;
: -rotate-z neg rotate-z ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: setup-variables ( -- )
V{ } clone vertices set V{ } clone states set setup-color-table ;
! The call to setup-variables in lparser-dialect should probably go
! somewhere else. The variables that setup-variables sets up are
! related to interpretation of lsystem strings as opposed to the
! lsystem itself.
: lparser-dialect ( -- )
setup-variables
1 length set 45 angle set 1 thickness set 2 set-color-index
H{ { "+" [ angle get rotate-y ] }
{ "-" [ angle get -rotate-y ] }
{ "&" [ angle get rotate-x ] }
{ "^" [ angle get -rotate-x ] }
{ "<" [ angle get rotate-z ] }
{ ">" [ angle get -rotate-z ] }
{ "|" [ 180.0 rotate-y ] }
{ "%" [ 180.0 rotate-z ] }
{ "$" [ roll-until-horizontal ] }
{ "F" [ length get draw-forward ] }
{ "Z" [ length get 2 / draw-forward ] }
{ "f" [ length get move-forward ] }
{ "z" [ length get 2 / move-forward ] }
{ "g" [ length get sneak-forward ] }
{ "." [ polygon-vertex ] }
{ "[" [ save-state ] }
{ "]" [ restore-state ] }
{ "{" [ start-polygon ] }
{ "}" [ finish-polygon ] }
{ "/" [ 1.1 scale-length ] } ! double quote command in lparser
{ "'" [ 0.9 scale-length ] }
{ ";" [ 1.1 scale-angle ] }
{ ":" [ 0.9 scale-angle ] }
{ "?" [ 1.4 scale-thickness ] }
{ "!" [ 0.7 scale-thickness ] }
{ "c" [ color-index get 1 + color-table get length* mod set-color-index ] }
} command-table set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Examples
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: axiom
SYMBOL: result
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: koch ( -- ) lparser-dialect 90 angle set
H{ { "K" "[[a|b] '(0.41)f'(2.439) |<(60) [a|b]]" }
{ "k" "[ c'(0.5) K]" }
{ "a" "[d <(120) d <(120) d ]" }
{ "b" "e" }
{ "e" "[^ '(.2887)f'(3.4758) &(180) +z{.-(120)f-(120)f}]" }
{ "d" "[^ '(.2887)f'(3.4758) &(109.5111) +zk{.-(120)f-(120)f}]" }
} rules set
"K" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: spiral-0 ( -- ) lparser-dialect 10 angle set 5 thickness set
"[P]|[P]" axiom set
H{ { "P" "[A]>>>>>>>>>[cB]>>>>>>>>>[ccC]>>>>>>>>>[cccD]" }
{ "A" "F+;'A" }
{ "B" "F!+F+;'B" }
{ "C" "F!^+F^+;'C" }
{ "D" "F!>^+F>^+;'D" }
} rules set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: tree-5 ( -- ) lparser-dialect 5 angle set 1 thickness set
"c(4)FFS" axiom set
H{ { "S" "FFR>(60)R>(60)R>(60)R>(60)R>(60)R>(30)S" }
{ "R" "[Ba]" }
{ "a" "$tF[Cx]Fb" }
{ "b" "$tF[Dy]Fa" }
{ "B" "&B" }
{ "C" "+C" }
{ "D" "-D" }
{ "x" "a" }
{ "y" "b" }
{ "F" "'(1.25)F'(.8)" }
} rules set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-1 ( -- ) lparser-dialect 45 angle set 5 set-thickness
H{ { "A" "F[&'(.8)!BL]>(137)'!(.9)A" }
{ "B" "F[-'(.8)!(.9)$CL]'!(.9)C" }
{ "C" "F[+'(.8)!(.9)$BL]'!(.9)B" }
{ "L" "~c(8){+(30)f-(120)f-(120)f}" }
} rules set
"c(12)FFAL" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-2 ( -- ) lparser-dialect 30 angle set 5 thickness set
H{ { "A" "F[&'(.7)!BL]>(137)[&'(.6)!BL]>(137)'(.9)!(.9)A" }
{ "B" "F[-'(.7)!(.9)$CL]'(.9)!(.9)C" }
{ "C" "F[+'(.7)!(.9)$BL]'(.9)!(.9)B" }
{ "L" "~c(8){+(45)f(.1)-(45)f(.1)-(45)f(.1)+(45)|+(45)f(.1)-(45)f(.1)-(45)f(.1)}" }
} rules set
"c(12)FAL" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-3 ( -- ) lparser-dialect 30 angle set 5 thickness set
H{ { "A" "!(.9)t(.4)FB>(94)B>(132)B" }
{ "B" "[&t(.4)F$A]" }
{ "F" "'(1.25)F'(.8)" }
} rules set
"c(12)FA" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-4 ( -- ) lparser-dialect 18 angle set 5 thickness set
H{ { "N" "FII[&(60)rY]>(90)[&(45)'(0.8)rA]>(90)[&(60)rY]>(90)[&(45)'(0.8)rD]!FIK" }
{ "Y" "[c(4){++l.--l.--l.++|++l.--l.--l.}]" }
{ "l" "g(.2)l" }
{ "K" "[!c(2)FF>w>(72)w>(72)w>(72)w>(72)w]" }
{ "w" "[c(2)^!F][c(5)&(72){-(54)f(3)+(54)f(3)|-(54)f(3)+(54)f(3)}]" }
{ "f" "_" }
{ "A" "B" }
{ "B" "C" }
{ "C" "D" }
{ "D" "E" }
{ "E" "G" }
{ "G" "H" }
{ "H" "N" }
{ "I" "FoO" }
{ "O" "FoP" }
{ "P" "FoQ" }
{ "Q" "FoR" }
{ "R" "FoS" }
{ "S" "FoT" }
{ "T" "FoU" }
{ "U" "FoV" }
{ "V" "FoW" }
{ "W" "FoX" }
{ "X" "_" }
{ "o" "$t(-0.03)" }
{ "r" "~(30)" }
} rules set
"c(12)&(20)N" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-5 ( -- ) lparser-dialect 5 angle set 5 thickness set
H{ { "a" "F[+(45)l][-(45)l]^;ca" }
{ "l" "j" }
{ "j" "h" }
{ "h" "s" }
{ "s" "d" }
{ "d" "x" }
{ "x" "a" }
{ "F" "'(1.17)F'(.855)" }
} rules set
"&(90)+(90)a" axiom set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: abop-6 ( -- ) lparser-dialect 5 angle set 5 thickness set
"&(90)+(90)FFF[-(120)'(.6)x][-(60)'(.8)x][+(120)'(.6)x][+(60)'(.8)x]x"
axiom set
H{ { "a" "F[cdx][cex]F!(.9)a" }
{ "x" "a" }
{ "d" "+d" }
{ "e" "-e" }
{ "F" "'(1.25)F'(.8)" }
} rules set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: airhorse ( -- ) lparser-dialect 10 angle set 5 thickness set
"C" axiom set
H{ { "C" "LBW" }
{ "B" "[[''aH]|[g]]" }
{ "a" "Fs+;'a" }
{ "g" "Ft+;'g" }
{ "s" "[::cc!!!!&&[FFcccZ]^^^^FFcccZ]" }
{ "t" "[c!!!!&[FF]^^FF]" }
{ "L" "O" }
{ "O" "P" }
{ "P" "Q" }
{ "Q" "R" }
{ "R" "U" }
{ "U" "X" }
{ "X" "Y" }
{ "Y" "V" }
{ "V" "[cc!!!&(90)[Zp]|[Zp]]" }
{ "p" "h>(120)h>(120)h" }
{ "h" "[+(40)!F'''p]" }
{ "H" "[cccci[>(50)dcFFF][<(50)ecFFF]]" }
{ "d" "Z!&Z!&:'d" }
{ "e" "Z!^Z!^:'e" }
{ "i" "-:/i" }
{ "W" "[%[!!cb][<<<!!cb][>>>!!cb]]" }
{ "b" "Fl!+Fl+;'b" }
{ "l" "[-cc{--z++z++z--|--z++z++z}]" }
} rules set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! These should be moved into a separate file. They are used to pretty
! print matricies and vectors.
USING: styles prettyprint io ;
: decimal-places ( n d -- n )
10 swap ^ tuck * >fixnum swap /f ;
! : .mat ( matrix -- ) [ [ 2 decimal-places ] map ] map . ;
: .mat ( matrix -- )
H{ { table-gap 4 } { table-border 4 } }
[ 2 decimal-places pprint ]
tabular-output ;
: .vec ( vector -- ) [ 2 decimal-places ] map . ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
PROVIDE: lindenmayer ;
! USING: slate lindenmayer ;
! new-slate drop reset

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USING: parser modules ;
{
"resource:contrib/x11/examples/lindenmayer/lindenmayer.factor"
"resource:contrib/x11/examples/lindenmayer/viewer.factor"
} run-files

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USING: kernel alien math arrays sequences opengl namespaces concurrency
x11 x gl concurrent-widgets lindenmayer ;
IN: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
USE: sequences
: >float-array ( seq -- )
dup length "float" <c-array> swap dup length >array
[ pick set-float-nth ] 2each ;
USE: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: camera-position { 5 5 5 } camera-position set-global
SYMBOL: camera-focus { 0 0 0 } camera-focus set-global
SYMBOL: camera-up { 0 1 0 } camera-up set-global
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
lparser-dialect "" result set-global
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: display ( -- )
GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT bitor glClear
glLoadIdentity
camera-position get first3 camera-focus get first3 camera-up get first3
gluLookAt
reset result get save-state interpret restore-state glFlush ;
: reshape ( { width height } -- )
>r 0 0 r> [ ] each glViewport
GL_PROJECTION glMatrixMode
glLoadIdentity -1.0 1.0 -1.0 1.0 1.5 200.0 glFrustum
GL_MODELVIEW glMatrixMode
display ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: init ( -- ) axiom get result set display ;
: iterate ( -- ) result [ rewrite ] change display ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: setup-window ( -- )
f initialize-x
create-pwindow
[ drop reshape ] over set-pwindow-resize-action
[ 2drop display ] over set-pwindow-expose-action
window-id win set
ExposureMask StructureNotifyMask bitor select-input
{ 500 500 } resize-window { 0 0 } move-window map-window
[ GLX_RGBA ] choose-visual create-context make-current
0.0 0.0 0.0 0.0 glClearColor
GL_SMOOTH glShadeModel
GL_FRONT_AND_BACK GL_SPECULAR { 1.0 1.0 1.0 1.0 } >float-array glMaterialfv
GL_FRONT_AND_BACK GL_SHININESS { 50.0 } >float-array glMaterialfv
GL_LIGHT0 GL_POSITION { 1.0 1.0 1.0 0.0 } >float-array glLightfv
GL_LIGHTING glEnable
GL_LIGHT0 glEnable
GL_DEPTH_TEST glEnable
[ concurrent-event-loop ] spawn ;