starting over

1 files changed, 126 insertions, 126 deletions

diff --git a/demo/sgi/gl/nurbs.py b/demo/sgi/gl/nurbs.py
index ee48e23..dbcc18e 100755
--- a/demo/sgi/gl/nurbs.py
+++ b/demo/sgi/gl/nurbs.py
@@ -20,152 +20,152 @@ idmat = [1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1]
 surfknots = [-1, -1, -1, -1, 1, 1, 1, 1]
 
 def make_ctlpoints():
- c = []
- #
- ci = []
- ci.append(-2.5, -3.7, 1.0)
- ci.append(-1.5, -3.7, 3.0)
- ci.append(1.5, -3.7, -2.5)
- ci.append(2.5, -3.7, -0.75)
- c.append(ci)
- #
- ci = []
- ci.append(-2.5, -2.0, 3.0)
- ci.append(-1.5, -2.0, 4.0)
- ci.append(1.5, -2.0, -3.0)
- ci.append(2.5, -2.0, 0.0)
- c.append(ci)
- #
- ci = []
- ci.append(-2.5, 2.0, 1.0)
- ci.append(-1.5, 2.0, 0.0)
- ci.append(1.5, 2.0, -1.0)
- ci.append(2.5, 2.0, 2.0)
- c.append(ci)
- #
- ci = []
- ci.append(-2.5, 2.7, 1.25)
- ci.append(-1.5, 2.7, 0.1)
- ci.append(1.5, 2.7, -0.6)
- ci.append(2.5, 2.7, 0.2)
- c.append(ci)
- #
- return c
+	c = []
+	#
+	ci = []
+	ci.append(-2.5,  -3.7,  1.0)
+	ci.append(-1.5,  -3.7,  3.0)
+	ci.append(1.5,  -3.7, -2.5)
+	ci.append(2.5,  -3.7,  -0.75)
+	c.append(ci)
+	#
+	ci = []
+	ci.append(-2.5,  -2.0,  3.0)
+	ci.append(-1.5,  -2.0,  4.0)
+	ci.append(1.5,  -2.0,  -3.0)
+	ci.append(2.5,  -2.0,  0.0)
+	c.append(ci)
+	#
+	ci = []
+	ci.append(-2.5, 2.0,  1.0)
+	ci.append(-1.5, 2.0,  0.0)
+	ci.append(1.5,  2.0,  -1.0)
+	ci.append(2.5,  2.0,  2.0)
+	c.append(ci)
+	#
+	ci = []
+	ci.append(-2.5,  2.7,  1.25)
+	ci.append(-1.5,  2.7,  0.1)
+	ci.append(1.5,  2.7,  -0.6)
+	ci.append(2.5,  2.7,  0.2)
+	c.append(ci)
+	#
+	return c
 
 ctlpoints = make_ctlpoints()
 
-trimknots = [0., 0., 0., 1., 1., 2., 2., 3., 3., 4., 4., 4.]
+trimknots = [0., 0., 0.,  1., 1.,  2., 2.,  3., 3.,   4., 4., 4.]
 
 def make_trimpoints():
- c = []
- c.append(1.0, 0.0, 1.0)
- c.append(1.0, 1.0, 1.0)
- c.append(0.0, 2.0, 2.0)
- c.append(-1.0, 1.0, 1.0)
- c.append(-1.0, 0.0, 1.0)
- c.append(-1.0, -1.0, 1.0)
- c.append(0.0, -2.0, 2.0)
- c.append(1.0, -1.0, 1.0)
- c.append(1.0, 0.0, 1.0)
- return c
+	c = []
+	c.append(1.0, 0.0, 1.0)
+	c.append(1.0, 1.0, 1.0)
+	c.append(0.0, 2.0, 2.0)
+	c.append(-1.0, 1.0, 1.0)
+	c.append(-1.0, 0.0, 1.0)
+	c.append(-1.0, -1.0, 1.0)
+	c.append(0.0, -2.0, 2.0)
+	c.append(1.0, -1.0, 1.0) 
+	c.append(1.0, 0.0, 1.0)
+	return c
 
 trimpoints = make_trimpoints()
 
 def main():
- init_windows()
- setup_queue()
- make_lights()
- init_view()
- #
- set_scene()
- setnurbsproperty( N_ERRORCHECKING, 1.0 )
- setnurbsproperty( N_PIXEL_TOLERANCE, 50.0 )
- trim_flag = 0
- draw_trim_surface(trim_flag)
- #
- while 1:
- while qtest():
- dev, val = qread()
- if dev = ESCKEY:
- return
- elif dev = WINQUIT:
- dglclose(-1) # this for DGL only
- return
- elif dev = REDRAW:
- reshapeviewport()
- set_scene()
- draw_trim_surface(trim_flag)
- elif dev = LEFTMOUSE:
- if val:
- trim_flag = (not trim_flag)
- set_scene()
- draw_trim_surface(trim_flag)
+	init_windows()
+	setup_queue()
+	make_lights()
+	init_view()
+	#
+	set_scene()
+	setnurbsproperty( N_ERRORCHECKING, 1.0 )
+	setnurbsproperty( N_PIXEL_TOLERANCE, 50.0 )
+	trim_flag = 0
+	draw_trim_surface(trim_flag)
+	#
+	while 1:
+		while qtest():
+			dev, val = qread()
+			if dev = ESCKEY:
+				return
+			elif dev = WINQUIT:
+				dglclose(-1)	# this for DGL only
+				return
+			elif dev = REDRAW:
+				reshapeviewport()
+				set_scene()
+				draw_trim_surface(trim_flag)
+			elif dev = LEFTMOUSE:
+				if val:
+					trim_flag = (not trim_flag)
+		set_scene()
+		draw_trim_surface(trim_flag)
 
 def init_windows():
- foreground()
- #prefposition(0, 500, 0, 500)
- wid = winopen('nurbs')
- wintitle('NURBS Surface')
- doublebuffer()
- RGBmode()
- gconfig()
- lsetdepth(0x000, 0x7fffff)
- zbuffer( TRUE )
+	foreground()
+	#prefposition(0, 500, 0, 500)
+	wid = winopen('nurbs')
+	wintitle('NURBS Surface')
+	doublebuffer()
+	RGBmode()
+	gconfig()
+	lsetdepth(0x000, 0x7fffff)
+	zbuffer( TRUE )
 
 def setup_queue():
- qdevice(ESCKEY)
- qdevice(REDRAW)
- qdevice(RIGHTMOUSE)
- qdevice(WINQUIT)
- qdevice(LEFTMOUSE) #trimming
+	qdevice(ESCKEY)
+	qdevice(REDRAW)
+	qdevice(RIGHTMOUSE)
+	qdevice(WINQUIT)
+	qdevice(LEFTMOUSE) #trimming
 
 def init_view():
- mmode(MPROJECTION)
- ortho( -4., 4., -4., 4., -4., 4. )
- #
- mmode(MVIEWING)
- loadmatrix(idmat)
- #
- lmbind(MATERIAL, 1)
+	mmode(MPROJECTION)
+	ortho( -4., 4., -4., 4., -4., 4. )
+	#
+	mmode(MVIEWING)
+	loadmatrix(idmat)
+	#
+	lmbind(MATERIAL, 1)
 
 def set_scene():
- lmbind(MATERIAL, 0)
- RGBcolor(150,150,150)
- lmbind(MATERIAL, 1)
- clear()
- zclear()
- #
- rotate( 100, 'y' )
- rotate( 100, 'z' )
+	lmbind(MATERIAL, 0)
+	RGBcolor(150,150,150)
+	lmbind(MATERIAL, 1)
+	clear()
+	zclear()
+	#
+	rotate( 100, 'y' )
+	rotate( 100, 'z' )
 
 def draw_trim_surface(trim_flag):
- bgnsurface()
- nurbssurface(surfknots, surfknots, ctlpoints, ORDER, ORDER, N_XYZ)
- if trim_flag:
- bgntrim()
- nurbscurve(trimknots, trimpoints, ORDER-1, N_STW)
- endtrim()
- endsurface()
- swapbuffers()
+	bgnsurface()
+	nurbssurface(surfknots, surfknots, ctlpoints, ORDER, ORDER, N_XYZ)
+	if trim_flag:
+		bgntrim()
+		nurbscurve(trimknots, trimpoints, ORDER-1, N_STW)
+		endtrim()
+	endsurface()
+	swapbuffers()
 
 def make_lights():
- lmdef(DEFLMODEL,1,[])
- lmdef(DEFLIGHT,1,[])
- #
- # define material #1
- #
- a = []
- a = a + [EMISSION, 0.0, 0.0, 0.0]
- a = a + [AMBIENT, 0.1, 0.1, 0.1]
- a = a + [DIFFUSE, 0.6, 0.3, 0.3]
- a = a + [SPECULAR, 0.0, 0.6, 0.0]
- a = a + [SHININESS, 2.0]
- a = a + [LMNULL]
- lmdef(DEFMATERIAL, 1, a)
- #
- # turn on lighting
- #
- lmbind(LIGHT0, 1)
- lmbind(LMODEL, 1)
+	lmdef(DEFLMODEL,1,[])
+	lmdef(DEFLIGHT,1,[])
+	#
+	# define material #1
+	#
+	a = []
+	a = a + [EMISSION, 0.0, 0.0, 0.0]
+	a = a + [AMBIENT,  0.1, 0.1, 0.1]
+	a = a + [DIFFUSE,  0.6, 0.3, 0.3]
+	a = a + [SPECULAR,  0.0, 0.6, 0.0]
+	a = a + [SHININESS, 2.0]
+	a = a + [LMNULL]
+	lmdef(DEFMATERIAL, 1, a)
+	#
+	# turn on lighting
+	#
+	lmbind(LIGHT0, 1)
+	lmbind(LMODEL, 1)
 
 main()