starting over

1 files changed, 107 insertions, 107 deletions

diff --git a/demo/sgi/gl/kites.py b/demo/sgi/gl/kites.py
index 764ad2c..36dc5d7 100755
--- a/demo/sgi/gl/kites.py
+++ b/demo/sgi/gl/kites.py
@@ -12,15 +12,15 @@
 #
 # This program show 3 kites flying around the screen. It uses
 #
-# * bgnpolygon, endpolygon
-# * v3, n3
-# * lmdef, lmbind
+# 	* bgnpolygon, endpolygon
+# 	* v3, n3
+# 	* lmdef, lmbind
 #
 # Usage :
-#
-# ESC -> exit program
-# MOUSE3 -> freeze toggle
-# MOUSE2 -> one step (use this in freeze state)
+# 
+# 	ESC 	-> exit program
+# 	MOUSE3 	-> freeze toggle
+# 	MOUSE2 	-> one step (use this in freeze state)
 
 from GL import *
 from gl import *
@@ -32,28 +32,28 @@ from math import *
 # set appropiate material, call drawobject()
 #
 def viewobj (r, s, t, mat) :
- pushmatrix()
- rot (r * 10.0, 'X')
- rot (r * 10.0, 'Y')
- rot (r * 10.0, 'Z')
- scale (s[0], s[1], s[2])
- translate (t[0], t[1], t[2])
- lmbind(MATERIAL, mat)
- drawobject()
- popmatrix()
+	pushmatrix()
+	rot (r * 10.0, 'X')
+	rot (r * 10.0, 'Y')
+	rot (r * 10.0, 'Z')
+	scale (s[0], s[1], s[2])
+	translate (t[0], t[1], t[2])
+	lmbind(MATERIAL, mat)
+	drawobject()
+	popmatrix()
 
 #
 # makeobj : the contructor of the object
 #
 def mkobj () :
- v0 = (-5.0 ,0.0, 0.0)
- v1 = (0.0 ,5.0, 0.0)
- v2 = (5.0 ,0.0, 0.0)
- v3 = (0.0 ,2.0, 0.0)
- n0 = (sqrt(2.0)/2.0, sqrt(2.0)/2.0, 0.0)
- vn = ((v0, n0), (v1, n0), (v2, n0), (v3, n0))
- #
- return vn
+	v0 = (-5.0 ,0.0, 0.0)
+	v1 = (0.0 ,5.0, 0.0)
+	v2 = (5.0 ,0.0, 0.0)
+	v3 = (0.0 ,2.0, 0.0)
+	n0 = (sqrt(2.0)/2.0, sqrt(2.0)/2.0, 0.0)
+	vn = ((v0, n0), (v1, n0), (v2, n0), (v3, n0))
+	#
+	return vn
 
 #
 # the object itself as an array of vertices and normals
@@ -64,10 +64,10 @@ kite = mkobj ()
 # drawobject : draw a triangle. with bgnpolygon
 #
 def drawobject () :
- #
- bgnpolygon()
- vnarray (kite)
- endpolygon()
+	#
+	bgnpolygon()
+	vnarray (kite)
+	endpolygon()
 
 #
 # identity matrix
@@ -75,7 +75,7 @@ def drawobject () :
 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]
 
 #
-# the rgb-value of light-blue
+# the rgb-value of light-blue 
 #
 LightBlue = (43,169,255)
 
@@ -102,93 +102,93 @@ model = [AMBIENT,0.2,0.2,0.2,LMNULL]
 # sets the viewing, defines and binds the materials
 #
 def initgl () :
- #
- # open window
- #
- foreground ()
- keepaspect (1, 1)
- prefposition (100, 500, 100, 500)
- w = winopen ('PYTHON lights')
- keepaspect (1, 1)
- winconstraints()
- #
- # configure pipeline (zbuf, 2buf, GOURAUD and RGBmode)
- #
- zbuffer (1)
- doublebuffer ()
- shademodel (GOURAUD)
- RGBmode ()
- gconfig ()
- #
- # define and bind materials (set perspective BEFORE loadmat !)
- #
- mmode(MVIEWING)
- perspective (900, 1.0, 1.0, 20.0)
- loadmatrix(idmat)
- lmdef(DEFMATERIAL, 1, m1)
- lmdef(DEFMATERIAL, 2, m2)
- lmdef(DEFMATERIAL, 3, m3)
- lmdef(DEFLIGHT, 1, light1)
- lmdef(DEFLIGHT, 2, light2)
- lmdef(DEFLMODEL, 1, model)
- lmbind(LIGHT0,1)
- lmbind(LIGHT1,2)
- lmbind(LMODEL,1)
- #
- # set viewing
- #
- lookat (0.0, 0.0, 10.0, 0.0, 0.0, 0.0, 0)
- #
- # ask for the REDRAW and ESCKEY events
- #
- qdevice(DEVICE.MOUSE3)
- qdevice(DEVICE.MOUSE2)
- qdevice(DEVICE.REDRAW)
- qdevice(DEVICE.ESCKEY)
-
-#
-# GoForIT : use 2buf to redraw the object 2n times. index i is used as
+	#
+	# open window
+	#
+	foreground ()
+	keepaspect (1, 1)
+	prefposition (100, 500, 100, 500)
+	w = winopen ('PYTHON lights')
+	keepaspect (1, 1)
+	winconstraints()
+	#
+	# configure pipeline (zbuf, 2buf, GOURAUD and RGBmode)
+	#
+	zbuffer (1)
+	doublebuffer ()
+	shademodel (GOURAUD)
+	RGBmode ()
+	gconfig ()
+	#
+	# define and bind materials (set perspective BEFORE loadmat !)
+	#
+	mmode(MVIEWING)
+	perspective (900, 1.0, 1.0, 20.0)
+	loadmatrix(idmat)
+	lmdef(DEFMATERIAL, 1, m1)
+	lmdef(DEFMATERIAL, 2, m2)
+	lmdef(DEFMATERIAL, 3, m3)
+	lmdef(DEFLIGHT, 1, light1)
+	lmdef(DEFLIGHT, 2, light2)
+	lmdef(DEFLMODEL, 1, model)
+	lmbind(LIGHT0,1)
+	lmbind(LIGHT1,2)
+	lmbind(LMODEL,1)
+	#
+	# set viewing
+	#
+	lookat (0.0, 0.0, 10.0, 0.0, 0.0, 0.0, 0)
+	#
+	# ask for the REDRAW and ESCKEY events
+	#
+	qdevice(DEVICE.MOUSE3)
+	qdevice(DEVICE.MOUSE2)
+	qdevice(DEVICE.REDRAW)
+	qdevice(DEVICE.ESCKEY)
+
+#
+# GoForIT : use 2buf to redraw the object 2n times. index i is used as 
 # the (smoothly changing) rotation angle
 #
 def GoForIt(i) :
- freeze = 1
- while 1 :
- if freeze <> 0 :
- i = i + 1
- #
- # clear z-buffer and clear background to light-blue
- #
- zclear()
- c3i (LightBlue)
- clear()
- #
- # draw the 3 traiangles scaled above each other.
- #
- viewobj(float(i),[1.0,1.0,1.0],[1.0,1.0,1.0],1)
- viewobj(float(i),[0.75,0.75,0.75],[0.0,2.0,2.0],2)
- viewobj(float(i),[0.5,0.5,0.5],[0.0,4.0,4.0],3)
- #
- swapbuffers()
- #
- if qtest() <> 0 :
- dev, val = qread()
- if dev = DEVICE.ESCKEY :
- break
- elif dev = DEVICE.REDRAW :
- reshapeviewport ()
- elif dev = DEVICE.MOUSE3 and val <> 0 :
- freeze = 1 - freeze
- elif dev = DEVICE.MOUSE2 and val <> 0 :
- i = i + 1
+	freeze = 1
+	while 1 :
+		if freeze <> 0 :
+			i = i + 1
+		#
+		# clear z-buffer and clear background to light-blue
+		#
+		zclear()
+		c3i (LightBlue)
+		clear()
+		#
+		# draw the 3 traiangles scaled above each other.
+		#
+		viewobj(float(i),[1.0,1.0,1.0],[1.0,1.0,1.0],1)
+		viewobj(float(i),[0.75,0.75,0.75],[0.0,2.0,2.0],2)
+		viewobj(float(i),[0.5,0.5,0.5],[0.0,4.0,4.0],3)
+		#
+		swapbuffers()
+		#
+		if qtest() <> 0 :
+			dev, val = qread()
+			if dev = DEVICE.ESCKEY :
+				break
+			elif dev = DEVICE.REDRAW :
+				reshapeviewport ()
+			elif dev = DEVICE.MOUSE3 and val <> 0 :
+				freeze = 1 - freeze
+			elif dev = DEVICE.MOUSE2 and val <> 0 :
+				i = i + 1
 
 
 # the main program
 #
 def main () :
- initgl ()
- GoForIt (0)
+	initgl ()
+	GoForIt (0)
 
 #
 # exec main
 #
-main ()
+main  ()