diff options
Diffstat (limited to 'demo/sgi/gl/zrgb.py')
| -rwxr-xr-x | demo/sgi/gl/zrgb.py | 264 |
1 files changed, 132 insertions, 132 deletions
diff --git a/demo/sgi/gl/zrgb.py b/demo/sgi/gl/zrgb.py index c3f934a..a49b86b 100755 --- a/demo/sgi/gl/zrgb.py +++ b/demo/sgi/gl/zrgb.py @@ -1,13 +1,13 @@ #! /ufs/guido/bin/sgi/python -# zrgb (Requires Z buffer.) +# zrgb (Requires Z buffer.) # # This program demostrates zbuffering 3 intersecting RGB polygons while -# in doublebuffer mode where, movement of the mouse with the LEFTMOUSE +# in doublebuffer mode where, movement of the mouse with the LEFTMOUSE # button depressed will, rotate the 3 polygons. This is done by compound -# rotations allowing continuous screen-oriented rotations. +# rotations allowing continuous screen-oriented rotations. # -# Press the "Esc" key to exit. +# Press the "Esc" key to exit. from gl import * from GL import * @@ -19,115 +19,115 @@ objmat=[1.0,0.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,0.0,1.0] idmat=[1.0,0.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,0.0,1.0,0.0,0.0,0.0,0.0,1.0] def main() : - # - # old and new mouse position - # - # - mode = 0 - omx = 0 - mx = 0 - omy = 0 - my = 0 - # - initialize () - # - draw_scene (objmat) - # - while (1) : - # - dev, val = qread() - # - if dev = ESCKEY : - if val : - break - # exit when key is going up, not down - # this avoids the scenario where a window - # underneath this program's window - # would otherwise "eat up" the up- - # event of the Esc key being released - return - # - elif dev = REDRAW : - reshapeviewport() - draw_scene(objmat) - # - elif dev = LEFTMOUSE: - omx = mx - omy = my - if val : - mode = 1 - else : - mode = 0 - elif dev = MOUSEX : - omx = mx - mx = val - #print omx, mx - objmat = update_scene(objmat,mx,my,omx,omy,mode) - # - elif dev = MOUSEY : - omy = my - my = val - #print omy, my - objmat = update_scene(objmat,mx,my,omx,omy,mode) - # + # + # old and new mouse position + # + # + mode = 0 + omx = 0 + mx = 0 + omy = 0 + my = 0 + # + initialize () + # + draw_scene (objmat) + # + while (1) : + # + dev, val = qread() + # + if dev = ESCKEY : + if val : + break + # exit when key is going up, not down + # this avoids the scenario where a window + # underneath this program's window + # would otherwise "eat up" the up- + # event of the Esc key being released + return + # + elif dev = REDRAW : + reshapeviewport() + draw_scene(objmat) + # + elif dev = LEFTMOUSE: + omx = mx + omy = my + if val : + mode = 1 + else : + mode = 0 + elif dev = MOUSEX : + omx = mx + mx = val + #print omx, mx + objmat = update_scene(objmat,mx,my,omx,omy,mode) + # + elif dev = MOUSEY : + omy = my + my = val + #print omy, my + objmat = update_scene(objmat,mx,my,omx,omy,mode) + # def initialize () : - # - foreground () - keepaspect(5, 4) - w = winopen('Zbuffered RGB') - # - doublebuffer() - RGBmode() - gconfig() - zbuffer(1) - lsetdepth(0x0, 0x7FFFFF) - # - qdevice(ESCKEY) - qdevice(LEFTMOUSE) - qdevice(MOUSEX) - qdevice(MOUSEY) + # + foreground () + keepaspect(5, 4) + w = winopen('Zbuffered RGB') + # + doublebuffer() + RGBmode() + gconfig() + zbuffer(1) + lsetdepth(0x0, 0x7FFFFF) + # + qdevice(ESCKEY) + qdevice(LEFTMOUSE) + qdevice(MOUSEX) + qdevice(MOUSEY) def update_scene (mat, mx, my, omx, omy, mode) : - # - if mode = 1 : - mat = orient(mat, mx, my, omx, omy) - draw_scene(mat) - return mat + # + if mode = 1 : + mat = orient(mat, mx, my, omx, omy) + draw_scene(mat) + return mat def orient (mat, mx, my, omx, omy) : - # - # - pushmatrix() - loadmatrix(idmat) - # - if mx - omx : rot (float (mx - omx), 'y') - if omy - my : rot (float (omy - my), 'x') - # - multmatrix(mat) - mat = getmatrix() - # - # - popmatrix() - # - return mat + # + # + pushmatrix() + loadmatrix(idmat) + # + if mx - omx : rot (float (mx - omx), 'y') + if omy - my : rot (float (omy - my), 'x') + # + multmatrix(mat) + mat = getmatrix() + # + # + popmatrix() + # + return mat def draw_scene (mat) : - RGBcolor(40, 100, 200) - clear() - zclear() - # - perspective(400, 1.25, 30.0, 60.0) - translate(0.0, 0.0, -40.0) - multmatrix(mat) - # - # skews original view to show all polygons - # - rotate(-580, 'y') - draw_polys() - # - swapbuffers() + RGBcolor(40, 100, 200) + clear() + zclear() + # + perspective(400, 1.25, 30.0, 60.0) + translate(0.0, 0.0, -40.0) + multmatrix(mat) + # + # skews original view to show all polygons + # + rotate(-580, 'y') + draw_polys() + # + swapbuffers() polygon1 = [(-10.0,-10.0,0.0),(10.0,-10.0,0.0),(-10.0,10.0,0.0)] @@ -136,34 +136,34 @@ polygon2 = [(0.0,-10.0,-10.0),(0.0,-10.0,10.0),(0.0,5.0,-10.0)] polygon3 = [(-10.0,6.0,4.0),(-10.0,3.0,4.0),(4.0,-9.0,-10.0),(4.0,-6.0,-10.0)] def draw_polys(): - bgnpolygon() - cpack(0x0) - v3f(polygon1[0]) - cpack(0x007F7F7F) - v3f(polygon1[1]) - cpack(0x00FFFFFF) - v3f(polygon1[2]) - endpolygon() - # - bgnpolygon() - cpack(0x0000FFFF) - v3f(polygon2[0]) - cpack(0x007FFF00) - v3f(polygon2[1]) - cpack(0x00FF0000) - v3f(polygon2[2]) - endpolygon() - # - bgnpolygon() - cpack(0x0000FFFF) - v3f(polygon3[0]) - cpack(0x00FF00FF) - v3f(polygon3[1]) - cpack(0x00FF0000) - v3f(polygon3[2]) - cpack(0x00FF00FF) - v3f(polygon3[3]) - endpolygon() + bgnpolygon() + cpack(0x0) + v3f(polygon1[0]) + cpack(0x007F7F7F) + v3f(polygon1[1]) + cpack(0x00FFFFFF) + v3f(polygon1[2]) + endpolygon() + # + bgnpolygon() + cpack(0x0000FFFF) + v3f(polygon2[0]) + cpack(0x007FFF00) + v3f(polygon2[1]) + cpack(0x00FF0000) + v3f(polygon2[2]) + endpolygon() + # + bgnpolygon() + cpack(0x0000FFFF) + v3f(polygon3[0]) + cpack(0x00FF00FF) + v3f(polygon3[1]) + cpack(0x00FF0000) + v3f(polygon3[2]) + cpack(0x00FF00FF) + v3f(polygon3[3]) + endpolygon() main () |