48 lines
1.2 KiB
Factor
48 lines
1.2 KiB
Factor
USING: arrays kernel math opengl opengl.gl opengl.glu
|
|
opengl.demo-support ui ui.gadgets ui.render literals accessors ;
|
|
IN: nehe.3
|
|
|
|
TUPLE: nehe3-gadget < gadget ;
|
|
|
|
CONSTANT: width 256
|
|
CONSTANT: height 256
|
|
|
|
: <nehe3-gadget> ( -- gadget )
|
|
nehe3-gadget new ;
|
|
|
|
M: nehe3-gadget draw-gadget* ( gadget -- )
|
|
drop
|
|
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
|
|
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
|
|
3.0 0.0 0.0 glTranslatef
|
|
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 ;
|
|
|
|
MAIN-WINDOW: run3 { { title "NeHe Tutorial 3" } { pref-dim { $ width $ height } } }
|
|
<nehe3-gadget> >>gadgets ;
|