*** empty log message ***

cvs
Eduardo Cavazos 2006-01-12 08:19:51 +00:00
parent 9da28cdc78
commit 50c636b9c4
2 changed files with 351 additions and 0 deletions

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USING: kernel alien math arrays sequences opengl namespaces concurrency
xlib x x11 gl concurrent-widgets lindenmayer ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
USE: sequences
: >float-array ( seq -- )
dup length <float-array> swap dup length >array [ pick set-float-nth ] 2each ;
USE: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: camera-position { 5 5 5 } camera-position set
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: display ( -- )
GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT bitor glClear
camera-position get glLoadIdentity [ ] each 0.0 0.0 0.0 0.0 1.0 0.0 gluLookAt
reset result get interpret 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 ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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

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USING: kernel alien namespaces arrays vectors math opengl math-contrib
sequences hashtables strings ;
IN: lindenmayer
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: make-matrix >r { } make r> swap 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 ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: 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 ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
DEFER: polygon-vertex
: draw-forward ( length -- )
GL_LINES glBegin record-vertex step record-vertex glEnd ;
: 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 ;
: polygon ( vertices -- )
GL_POLYGON glBegin dup polygon-normal first3 glNormal3f
[ first3 glVertex3f ] each glEnd ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: vertices
V{ } vertices set
: start-polygon ( -- ) 0 <vector> vertices set ;
: finish-polygon ( -- ) vertices get polygon ;
: polygon-vertex ( -- ) position get vertices get push ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Lindenmayer string rewriting and interpretation
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: rules
SYMBOL: command-table
: lookup ( str -- str ) dup rules get hash dup [ nip ] [ drop ] if ;
: rewrite ( str -- str ) "" swap [ ch>string lookup append ] each ;
: interpret ( str -- )
[ ch>string command-table get hash dup [ call ] [ drop ] if ] each ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Lparser dialect
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: angle
SYMBOL: length
SYMBOL: thickness
SYMBOL: color-index
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
DEFER: set-thickness
DEFER: set-color-index
TUPLE: state position orientation angle length thickness color-index ;
SYMBOL: states V{ } states set
: 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 ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: 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
{ 0.250 0.878 0.815 } ! turquoise
{ 0 0 1 } ! blue
{ 0.627 0.125 0.941 } ! purple
{ 0 0.392 0 } ! dark green
{ 0.0 0.807 0.819 } ! dark turquoise
{ 0.0 0.0 0.545 } ! dark blue
{ 0.580 0.0 0.827 } ! dark purple
{ 0.545 0.0 0.0 } ! 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
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
USE: sequences
: >float-array ( seq -- )
dup length <float-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 ;
: inc-color-index ( -- ) color-index get 1 + set-color-index ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: set-thickness ( i -- ) dup thickness set glLineWidth ;
: scale-thickness ( m -- ) thickness get * 0.5 max set-thickness ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: lparser-dialect ( -- )
1 length set 45 angle set 1 thickness set 2 set-color-index
H{ [[ "+" [ angle get rotate-y ] ]]
[[ "-" [ angle get neg rotate-y ] ]]
[[ "&" [ angle get rotate-x ] ]]
[[ "^" [ angle get neg rotate-x ] ]]
[[ "<" [ angle get rotate-z ] ]]
[[ ">" [ angle get neg rotate-z ] ]]
[[ "|" [ 180.0 rotate-y ] ]]
[[ "%" [ 180.0 rotate-z ] ]]
[[ "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 ] ]]
! [[ "." [ record-vertex ] ]]
[[ "." [ polygon-vertex ] ]]
[[ "[" [ save-state ] ]]
[[ "]" [ restore-state ] ]]
! [[ "{" [ GL_LINE_LOOP glBegin ] ]]
! [[ "{" [ GL_POLYGON glBegin ] ]]
[[ "{" [ start-polygon ] ]]
! [[ "}" [ glEnd ] ]]
[[ "}" [ finish-polygon ] ]]
[[ "/" [ 1.1 scale-length ] ]]
[[ "'" [ 0.9 scale-length ] ]]
[[ ";" [ 1.1 scale-angle ] ]]
[[ ":" [ 0.9 scale-angle ] ]]
[[ "?" [ thickness get 1.4 * thickness set ] ]]
[[ "!" [ thickness get 0.7 * thickness set ] ]]
[[ "c" [ inc-color-index ] ]]
} command-table set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Examples
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SYMBOL: result
: koch ( -- ) lparser-dialect 90 angle set
[ 0.41 scale-length ] "1" command-table get set-hash
[ 2.439 scale-length ] "2" command-table get set-hash
[ 0.5 scale-length ] "3" command-table get set-hash
[ 0.2887 scale-length ] "4" command-table get set-hash
[ 3.4758 scale-length ] "5" command-table get set-hash
[ 60 rotate-z ] "6" command-table get set-hash
[ 120 rotate-z ] "7" command-table get set-hash
[ 180 rotate-x ] "8" command-table get set-hash
[ 109.5111 rotate-x ] "9" command-table get set-hash
[ -120 rotate-y ] "0" command-table get set-hash
H{ [[ "K" "[[a|b] 1f2 |6 [a|b]]" ]]
[[ "k" "[ c3 K]" ]]
[[ "a" "[d 7 d 7 d ]" ]]
[[ "b" "e" ]]
[[ "e" "[^ 4f5 8 +z{.0f0f}]" ]]
[[ "d" "[^ 4f5 9 +zk{.0f0f}]" ]]
} rules set
"K" 5 [ rewrite ] times dup result set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: spiral-0 ( -- ) lparser-dialect 10 angle set
H{ [[ "P" "[A]>>>>>>>>>[cB]>>>>>>>>>[ccC]>>>>>>>>>[cccD]" ]]
[[ "A" "F+;'A" ]]
[[ "B" "F!+F+;'B" ]]
[[ "C" "F!^+F^+;'C" ]]
[[ "D" "F!>^+F>^+;'D" ]]
} rules set
"[P]|[P]" 5 [ rewrite ] times dup result set ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: tree-5 ( -- ) lparser-dialect 5 angle set
[ 4 set-color-index ] "1" command-table get set-hash
[ 60 neg rotate-z ] "2" command-table get set-hash
[ 1.25 scale-length ] "3" command-table get set-hash
[ 0.8 scale-length ] "4" command-table get set-hash
[ 30 neg rotate-z ] "5" command-table get set-hash
H{ [[ "S" "FFR2R2R2R2R2R5S" ]]
[[ "R" "[Ba]" ]]
[[ "a" "$tF[Cx]Fb" ]]
[[ "b" "$tF[Dy]Fa" ]]
[[ "B" "&B" ]]
[[ "C" "+C" ]]
[[ "D" "-D" ]]
[[ "x" "a" ]]
[[ "y" "b" ]]
[[ "F" "3F4" ]]
} rules set
"1FFS" result set ;