1996-11-27 19:52:01 +00:00
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#! /usr/bin/env python
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1992-03-30 13:18:37 +00:00
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# Simulate the artwork in the hall.
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# Jack Jansen, Feb 91.
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1992-12-14 13:01:06 +00:00
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1992-03-30 13:18:37 +00:00
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from gl import *
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from GL import *
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from math import *
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from DEVICE import *
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import sys
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import __main__
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main_dict = __main__.__dict__
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SPOTDIRECTION = 103
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SPOTLIGHT = 104
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#
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# Make a cylinder paralel with the Z axis with center (X,Y,0)
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# and radius 1
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def mkcyl(nslice, nparts, docircle):
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1998-09-14 16:44:15 +00:00
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cyl = []
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step = 2.0 / float(nslice)
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z = -1.0
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for i in range(nslice):
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cyl.append(mkslice(z, z+step, nparts, docircle))
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z = z + step
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return drawcylinder(cyl)
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1992-03-30 13:18:37 +00:00
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#
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# Make one part of a cylinder
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#
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def mkslice(z1, z2, nparts, docircle):
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1998-09-14 16:44:15 +00:00
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if docircle:
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w1 = z1
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w2 = z2
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w1 = sqrt(1.0-w1*w1)
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w2 = sqrt(1.0-w2*w2)
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normalz = 1.0
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else:
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w1 = 1.0
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w2 = 1.0
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normalz = 0.0
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slice = []
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step = (2.0*pi)/float(nparts)
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angle = 0.0
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for i in range(nparts+1):
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vx = cos(angle)
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vy = sin(angle)
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slice.append( ((vx*w1,vy*w1,z1), (vx*w1, vy*w1, z1*normalz)) )
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slice.append( ((vx*w2,vy*w2,z2), (vx*w2, vy*w2, z2*normalz)) )
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angle = angle + step
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return slice
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1992-03-30 13:18:37 +00:00
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#
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# Drawcylinder : draw the cylinder
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#
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1993-12-17 14:57:24 +00:00
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class struct: pass
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1992-03-30 13:18:37 +00:00
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curobj = struct()
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curobj.curobj = 1
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def drawcylinder(cyl):
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1998-09-14 16:44:15 +00:00
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obj = curobj.curobj
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curobj.curobj = curobj.curobj+1
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makeobj(obj)
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for slice in cyl:
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bgntmesh()
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vnarray(slice)
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endtmesh()
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closeobj()
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return obj
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1992-03-30 13:18:37 +00:00
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#
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def drawnormals(cyl):
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1998-09-14 16:44:15 +00:00
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for slice in cyl:
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for triang in slice:
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bgnline()
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v3f(triang[0])
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v3f(triang[0][0] + triang[1][0], triang[0][1] + triang[1][1], triang[0][2] + triang[1][2])
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endline()
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1992-03-30 13:18:37 +00:00
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def drawfloors():
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1998-09-14 16:44:15 +00:00
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obj = curobj.curobj
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curobj.curobj = curobj.curobj+1
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makeobj(obj)
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bgnpolygon()
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v3i(4,6,-6)
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v3i(-6,6,-6)
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v3i(-6,-6,-6)
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v3i(4,-6,-6)
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endpolygon()
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for floor in range(3):
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pos = -1 + 5*floor
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bgnpolygon()
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v3i(4,4,pos)
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v3i(-6,4,pos)
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v3i(-6,6,pos)
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v3i(4,6,pos)
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endpolygon()
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bgnpolygon()
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v3i(-4,4,pos)
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v3i(-4,-4,pos)
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v3i(-6,-4,pos)
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v3i(-6,4,pos)
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endpolygon()
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bgnpolygon()
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v3i(-6,-4,pos)
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v3i(-6,-6,pos)
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v3i(4,-6,pos)
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v3i(4,-4,pos)
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endpolygon()
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closeobj()
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return obj
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1992-03-30 13:18:37 +00:00
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def drawdoors():
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1998-09-14 16:44:15 +00:00
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obj = curobj.curobj
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curobj.curobj = curobj.curobj+1
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makeobj(obj)
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for floor in range(3):
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pos = -1+5*floor
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bgnpolygon()
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v3i(-2,6,pos)
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v3i(-2,6,pos+3)
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v3i(0,6,pos+3)
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v3i(0,6,pos)
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endpolygon()
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closeobj()
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return obj
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1992-03-30 13:18:37 +00:00
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def drawrailing():
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1998-09-14 16:44:15 +00:00
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obj = curobj.curobj
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curobj.curobj = curobj.curobj+1
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makeobj(obj)
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for floor in range(3):
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pos = -1 + 5*floor
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bgnpolygon()
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v3i(4,4,pos)
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v3i(4,4,pos-1)
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v3i(-4,4,pos-1)
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v3i(-4,4,pos)
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endpolygon()
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bgnpolygon()
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v3i(-4,4,pos)
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v3i(-4,4,pos-1)
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v3i(-4,-4,pos-1)
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v3i(-4,-4,pos)
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endpolygon()
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bgnpolygon()
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v3i(-4,-4,pos)
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v3i(-4,-4,pos-1)
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v3i(4,-4,pos-1)
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v3i(4,-4,pos)
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endpolygon()
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closeobj()
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return obj
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1992-03-30 13:18:37 +00:00
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def drawwalls():
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1998-09-14 16:44:15 +00:00
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obj = curobj.curobj
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curobj.curobj = curobj.curobj+1
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makeobj(obj)
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bgnpolygon()
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v3i(4,6,-6)
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v3i(4,6,18)
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v3i(-6,6,18)
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v3i(-6,6,-6)
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endpolygon()
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bgnpolygon()
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v3i(-6,6,-6)
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v3i(-6,6,18)
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v3i(-6,-6,18)
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v3i(-6,-6,-6)
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endpolygon()
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bgnpolygon()
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v3i(-6,-6,-6)
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v3i(-6,-6,18)
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v3i(4,-6,18)
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v3i(4,-6,-6)
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endpolygon()
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bgnpolygon()
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v3i(4,-6,-6)
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v3i(4,-6,18)
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v3i(4,4,18)
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v3i(4,4,-6)
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endpolygon()
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closeobj()
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return obj
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1992-03-30 13:18:37 +00:00
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def axis():
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1998-09-14 16:44:15 +00:00
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bgnline()
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cpack(0xff0000)
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v3i(-1,0,0)
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v3i(1,0,0)
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v3f(1.0, 0.1, 0.1)
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endline()
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bgnline()
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cpack(0xff00)
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v3i(0,-1,0)
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v3i(0,1,0)
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v3f(0.1, 1.0, 0.1)
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endline()
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bgnline()
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cpack(0xff)
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v3i(0,0,-1)
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v3i(0,0,1)
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v3f(0.1,0.1,1.0)
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endline()
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1992-03-30 13:18:37 +00:00
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#
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1992-12-14 13:01:06 +00:00
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green_velvet = [ DIFFUSE, 0.05, 0.4, 0.05, LMNULL]
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1992-03-30 13:18:37 +00:00
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silver = [ DIFFUSE, 0.3, 0.3, 0.3, SPECULAR, 0.9, 0.9, 0.95, \
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1998-09-14 16:44:15 +00:00
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SHININESS, 40.0, LMNULL]
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1992-03-30 13:18:37 +00:00
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floormat = [ AMBIENT, 0.5, 0.25, 0.15, DIFFUSE, 0.5, 0.25, 0.15, SPECULAR, 0.6, 0.3, 0.2, SHININESS, 20.0, LMNULL]
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wallmat = [ DIFFUSE, 0.4, 0.2, 0.1, AMBIENT, 0.4, 0.20, 0.10, SPECULAR, 0.0, 0.0, 0.0, SHININESS, 20.0, LMNULL]
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offwhite = [ DIFFUSE, 0.8, 0.8, 0.6, AMBIENT, 0.8, 0.8, 0.6, SPECULAR, 0.9, 0.9, 0.9, SHININESS, 30.0, LMNULL]
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doormat = [ DIFFUSE, 0.1, 0.2, 0.5, AMBIENT, 0.2, 0.4, 1.0, SPECULAR, 0.2, 0.4, 1.0, SHININESS, 60.0, LMNULL]
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toplight = [ LCOLOR, 1.0, 1.0, 0.5, \
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1998-09-14 16:44:15 +00:00
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POSITION, 0.0, 0.0, 11.0, 1.0, LMNULL]
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1992-03-30 13:18:37 +00:00
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floor1light = [ LCOLOR, 1.0, 1.0, 1.0, POSITION, 3.9, -3.9, 0.0, 1.0, \
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1998-09-14 16:44:15 +00:00
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SPOTDIRECTION, 1.0, 1.0, 0.0, SPOTLIGHT, 10.0, 90.0, LMNULL]
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1992-03-30 13:18:37 +00:00
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lmodel = [ AMBIENT, 0.92, 0.8, 0.5, LOCALVIEWER, 1.0, LMNULL]
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#
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def lighting():
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1998-09-14 16:44:15 +00:00
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lmdef(DEFMATERIAL, 1, green_velvet)
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lmdef(DEFMATERIAL, 2, silver)
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lmdef(DEFMATERIAL, 3, floormat)
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lmdef(DEFMATERIAL, 4, wallmat)
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lmdef(DEFMATERIAL, 5, offwhite)
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lmdef(DEFMATERIAL, 6, doormat)
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lmdef(DEFLIGHT, 1, toplight)
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lmdef(DEFLIGHT, 2, floor1light)
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lmdef(DEFLMODEL, 1, lmodel)
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lmbind(MATERIAL, 1)
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lmbind(LIGHT0, 1)
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lmbind(LIGHT1, 2)
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lmbind(LMODEL, 1)
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1992-03-30 13:18:37 +00:00
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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]
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#
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def defun(axis):
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1998-09-14 16:44:15 +00:00
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done = 0
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while not done:
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print 'F'+axis+'(t) = ',
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s = sys.stdin.readline(100)
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print
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try:
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s = 'def f'+axis+'(t): return '+s
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exec(s, main_dict)
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done = 1
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except RuntimeError:
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print 'Sorry, there is a syntax error in your expression'
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1992-03-30 13:18:37 +00:00
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def getfunctions():
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1998-09-14 16:44:15 +00:00
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print 'Welcome to the CWI art simulator. You can now enter X, Y and Z'
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print 'coordinates as a function of t.'
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print 'Normal trig functions are available. Please use floating point'
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print 'values only (so 0.0 for 0). Comments to jack@cwi.nl'
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defun('x')
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defun('y')
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defun('z')
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print 'Ok, here you go. Use mouse+right button to move up/down,'
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print 'mouse+middle to speed up/slow down time. type ESC to quit simulation'
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1992-03-30 13:18:37 +00:00
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def main():
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1998-09-14 16:44:15 +00:00
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getfunctions()
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foreground()
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prefposition(100,600,100,600)
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void = winopen('cyl')
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qdevice(ESCKEY)
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qdevice(MOUSE1)
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qdevice(MOUSE2)
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qdevice(PKEY)
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RGBmode()
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doublebuffer()
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gconfig()
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zbuffer(1)
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mmode(MVIEWING)
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perspective(400, 1.0, 1.0, 20.0)
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loadmatrix(IdMat)
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vx = 0.0
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vy = -6.0
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vz = 0.0
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lookat(0.0, -6.0, 0.0, 0.0, 0.0, 0.0, 0)
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lighting()
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t = -1.0
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step = 1.0
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bol = mkcyl(12,24, 1)
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cable = mkcyl(1, 6, 0)
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floors = drawfloors()
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walls = drawwalls()
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pillar = mkcyl(1,4,0)
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railing = drawrailing()
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doors = drawdoors()
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shademodel(GOURAUD)
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mousing = -1
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pausing = 0
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while 1:
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#
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# Check for some user input
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#
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if qtest():
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dev, value = qread()
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if dev == PKEY and value == 1:
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pausing = 1
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if dev == ESCKEY:
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break
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|
elif (dev==MOUSE1 or dev==MOUSE2) and value == 1:
|
|
|
|
|
if mousing > 0:
|
|
|
|
|
vx = 0.0
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|
|
|
|
vy = -6.0
|
|
|
|
|
vz = 0.0
|
|
|
|
|
mousing = dev
|
|
|
|
|
oldx = getvaluator(MOUSEX)
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|
|
|
|
oldy = getvaluator(MOUSEY)
|
|
|
|
|
elif (dev==MOUSE1 or dev==MOUSE2):
|
|
|
|
|
mousing = -1
|
|
|
|
|
if mousing >= 0:
|
|
|
|
|
newx = getvaluator(MOUSEX)
|
|
|
|
|
newy = getvaluator(MOUSEY)
|
|
|
|
|
if newy <> oldy and mousing==MOUSE1:
|
|
|
|
|
vz = vz + float(newy - oldy)/100.0
|
|
|
|
|
dist = sqrt(vx*vx + vy*vy + vz*vz)
|
|
|
|
|
perspective(400, 1.0, 1.0, dist+16.0)
|
|
|
|
|
loadmatrix(IdMat)
|
|
|
|
|
if vz < 0.0:
|
|
|
|
|
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 1800)
|
|
|
|
|
else:
|
|
|
|
|
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 0)
|
|
|
|
|
if newy <> oldy and mousing==MOUSE2:
|
|
|
|
|
step = step * exp(float(newy-oldy)/400.0)
|
|
|
|
|
if getbutton(CTRLKEY) == 0:
|
|
|
|
|
t = t + step
|
|
|
|
|
else:
|
|
|
|
|
t = t - step
|
|
|
|
|
if getbutton(LEFTSHIFTKEY) == 0:
|
|
|
|
|
shademodel(GOURAUD)
|
|
|
|
|
else:
|
|
|
|
|
shademodel(FLAT)
|
|
|
|
|
#
|
|
|
|
|
# Draw background and axis
|
|
|
|
|
cpack(0x105090)
|
|
|
|
|
clear()
|
|
|
|
|
zclear()
|
|
|
|
|
cpack(0x905010)
|
|
|
|
|
axis()
|
|
|
|
|
#
|
|
|
|
|
# Draw object
|
|
|
|
|
#
|
|
|
|
|
bolx = fx(t)
|
|
|
|
|
boly = fy(t)
|
|
|
|
|
bolz = fz(t)
|
|
|
|
|
err = ''
|
|
|
|
|
if bolx < -4.0 or bolx > 4.0:
|
|
|
|
|
err = 'X('+`bolx`+') out of range [-4,4]'
|
|
|
|
|
if boly < -4.0 or boly > 4.0:
|
|
|
|
|
err = 'Y('+`boly`+') out of range [-4,4]'
|
|
|
|
|
if bolz < -4.0 or bolz > 8.0:
|
|
|
|
|
err = 'Z('+`bolz`+') out of range [-4,8]'
|
|
|
|
|
if not err:
|
|
|
|
|
pushmatrix()
|
|
|
|
|
translate(bolx, boly, bolz)
|
|
|
|
|
scale(0.3, 0.3, 0.3)
|
|
|
|
|
lmbind(MATERIAL, 2)
|
|
|
|
|
callobj(bol)
|
|
|
|
|
popmatrix()
|
|
|
|
|
#
|
|
|
|
|
# Draw the cables
|
|
|
|
|
#
|
|
|
|
|
bolz = bolz + 0.3
|
|
|
|
|
pushmatrix()
|
|
|
|
|
linesmooth(SML_ON)
|
|
|
|
|
bgnline()
|
|
|
|
|
v3i(-4,-4,9)
|
|
|
|
|
v3f(bolx, boly, bolz)
|
|
|
|
|
endline()
|
|
|
|
|
bgnline()
|
|
|
|
|
v3i(-4,4,9)
|
|
|
|
|
v3f(bolx, boly, bolz)
|
|
|
|
|
endline()
|
|
|
|
|
bgnline()
|
|
|
|
|
v3i(4,-4,9)
|
|
|
|
|
v3f(bolx, boly, bolz)
|
|
|
|
|
endline()
|
|
|
|
|
bgnline()
|
|
|
|
|
v3i(4,4,9)
|
|
|
|
|
v3f(bolx, boly, bolz)
|
|
|
|
|
endline()
|
|
|
|
|
popmatrix()
|
|
|
|
|
#
|
|
|
|
|
# draw the floors
|
|
|
|
|
#
|
|
|
|
|
lmbind(MATERIAL, 3)
|
|
|
|
|
callobj(floors)
|
|
|
|
|
lmbind(MATERIAL, 4)
|
|
|
|
|
callobj(walls)
|
|
|
|
|
lmbind(MATERIAL, 5)
|
|
|
|
|
pushmatrix()
|
|
|
|
|
translate(-4.5,4.5,3.0)
|
|
|
|
|
scale(0.2,0.2,9.0)
|
|
|
|
|
rotate(450,'z')
|
|
|
|
|
callobj(pillar)
|
|
|
|
|
popmatrix()
|
|
|
|
|
callobj(railing)
|
|
|
|
|
lmbind(MATERIAL, 6)
|
|
|
|
|
pushmatrix()
|
|
|
|
|
translate(0.0, -0.01, 0.0)
|
|
|
|
|
callobj(doors)
|
|
|
|
|
popmatrix()
|
|
|
|
|
if mousing == MOUSE2 or err:
|
|
|
|
|
cpack(0xff0000)
|
|
|
|
|
cmov(0.0, 0.0, 0.4)
|
|
|
|
|
charstr('t='+`t`)
|
|
|
|
|
if mousing == MOUSE2:
|
|
|
|
|
cpack(0xff0000)
|
|
|
|
|
cmov(0.0, 0.0, 0.2)
|
|
|
|
|
charstr('delta-t='+`step`)
|
|
|
|
|
if err:
|
|
|
|
|
cpack(0xff00)
|
|
|
|
|
cmov(0.0, 0.0, 0.2)
|
|
|
|
|
print err
|
|
|
|
|
charstr(err)
|
|
|
|
|
pausing = 1
|
|
|
|
|
if pausing:
|
|
|
|
|
cpack(0xff00)
|
|
|
|
|
cmov(0.0, 0.0, 0.0)
|
|
|
|
|
charstr('Pausing, type P to continue')
|
|
|
|
|
swapbuffers()
|
|
|
|
|
if pausing:
|
|
|
|
|
while 1:
|
|
|
|
|
dv=qread()
|
|
|
|
|
if dv==(PKEY,1):
|
|
|
|
|
break
|
|
|
|
|
if dv==(ESCKEY,1):
|
|
|
|
|
sys.exit(0)
|
|
|
|
|
pausing = 0
|
1992-03-30 13:18:37 +00:00
|
|
|
#
|
|
|
|
|
try:
|
|
|
|
|
main()
|
|
|
|
|
except KeyboardInterrupt:
|
|
|
|
|
sys.exit(1)
|
