47 lines
1.1 KiB
Factor
47 lines
1.1 KiB
Factor
USING: arrays kernel math opengl opengl.gl opengl.glu
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opengl.demo-support ui ui.gadgets ui.render ;
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IN: nehe.2
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TUPLE: nehe2-gadget < gadget ;
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: width 256 ;
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: height 256 ;
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: <nehe2-gadget> ( -- gadget )
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nehe2-gadget new-gadget ;
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M: nehe2-gadget pref-dim* ( gadget -- dim )
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drop width height 2array ;
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M: nehe2-gadget draw-gadget* ( gadget -- )
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drop
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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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GL_TRIANGLES [
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0.0 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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3.0 0.0 0.0 glTranslatef
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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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: run2 ( -- )
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<nehe2-gadget> "NeHe Tutorial 2" open-window ;
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