factor/extra/nehe/4/4.factor

75 lines
1.9 KiB
Factor

USING: arrays kernel math opengl opengl.gl opengl.glu ui
ui.gadgets ui.render threads ;
IN: nehe.4
TUPLE: nehe4-gadget rtri rquad thread quit? ;
: width 256 ;
: height 256 ;
: redraw-interval 10 ;
: <nehe4-gadget> ( -- gadget )
nehe4-gadget construct-gadget
0.0 over set-nehe4-gadget-rtri
0.0 over set-nehe4-gadget-rquad ;
M: nehe4-gadget pref-dim* ( gadget -- dim )
drop width height 2array ;
M: nehe4-gadget draw-gadget* ( gadget -- )
GL_PROJECTION glMatrixMode
glLoadIdentity
45.0 width height / >float 0.1 100.0 gluPerspective
GL_MODELVIEW glMatrixMode
glLoadIdentity
GL_SMOOTH glShadeModel
0.0 0.0 0.0 0.0 glClearColor
1.0 glClearDepth
GL_DEPTH_TEST glEnable
GL_LEQUAL glDepthFunc
GL_PERSPECTIVE_CORRECTION_HINT GL_NICEST glHint
GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT bitor glClear
glLoadIdentity
-1.5 0.0 -6.0 glTranslatef
dup nehe4-gadget-rtri 0.0 1.0 0.0 glRotatef
GL_TRIANGLES [
1.0 0.0 0.0 glColor3f
0.0 1.0 0.0 glVertex3f
0.0 1.0 0.0 glColor3f
-1.0 -1.0 0.0 glVertex3f
0.0 0.0 1.0 glColor3f
1.0 -1.0 0.0 glVertex3f
] do-state
glLoadIdentity
1.5 0.0 -6.0 glTranslatef
dup nehe4-gadget-rquad 1.0 0.0 0.0 glRotatef
0.5 0.5 1.0 glColor3f
GL_QUADS [
-1.0 1.0 0.0 glVertex3f
1.0 1.0 0.0 glVertex3f
1.0 -1.0 0.0 glVertex3f
-1.0 -1.0 0.0 glVertex3f
] do-state
dup nehe4-gadget-rtri 0.2 + over set-nehe4-gadget-rtri
dup nehe4-gadget-rquad 0.15 - swap set-nehe4-gadget-rquad ;
: nehe4-update-thread ( gadget -- )
dup nehe4-gadget-quit? [
redraw-interval sleep
dup relayout-1
nehe4-update-thread
] unless ;
M: nehe4-gadget graft* ( gadget -- )
[ f swap set-nehe4-gadget-quit? ] keep
[ nehe4-update-thread ] in-thread drop ;
M: nehe4-gadget ungraft* ( gadget -- )
t swap set-nehe4-gadget-quit? ;
: run4 ( -- )
<nehe4-gadget> "NeHe Tutorial 4" open-window ;