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