1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
#!/bin/sh
# the next line restarts using wish \
exec wish "$0" "$@"
# $Id: double.tcl,v 1.4 2009/03/30 23:37:11 vareille Exp $
# Togl - a Tk OpenGL widget
# Copyright (C) 1996 Brian Paul and Ben Bederson
# See the LICENSE file for copyright details.
# $Log: double.tcl,v $
# Revision 1.4 2009/03/30 23:37:11 vareille
# win32 is back to togl1.7
#
# Revision 1.2 2006/09/27 19:05:22 vareille
# introduced togl 1.7 + addition of 'getCurrentContext'
#
# Revision 1.5 2001/12/20 13:59:31 beskow
# Improved error-handling in togl.c in case of window creation failure
# Added pkgIndex target to makefile
# Updated documentation to reflect stubs-interface (Togl.html + new README.stubs)
# Added tk8.4a3 headers
# Removed obsolete Tk internal headers
#
# Revision 1.4 2001/01/29 18:11:53 brianp
# Jonas Beskow's changes to use Tcl/Tk stub interface
#
# Revision 1.3 1998/03/12 03:52:31 brianp
# now sharing display lists between the widgets
#
# Revision 1.2 1996/10/23 23:31:56 brianp
# added -ident options to togl calls
#
# Revision 1.1 1996/10/23 23:17:22 brianp
# Initial revision
#
# An Tk/OpenGL widget demo with two windows, one single buffered and the
# other double buffered.
load [file dirname [info script]]/double[info sharedlibextension]
proc setup {} {
wm title . "Single vs Double Buffering"
frame .f1
# create first Togl widget
togl .f1.o1 -width 200 -height 200 -rgba true -double false -depth true -ident Single
# create second Togl widget, share display lists with first widget
togl .f1.o2 -width 200 -height 200 -rgba true -double true -depth true -ident Double -sharelist Single
scale .sx -label {X Axis} -from 0 -to 360 -command {setAngle x} -orient horizontal
scale .sy -label {Y Axis} -from 0 -to 360 -command {setAngle y} -orient horizontal
button .btn -text Quit -command exit
bind .f1.o1 <B1-Motion> {
motion_event [lindex [%W config -width] 4] \
[lindex [%W config -height] 4] \
%x %y
}
bind .f1.o2 <B1-Motion> {
motion_event [lindex [%W config -width] 4] \
[lindex [%W config -height] 4] \
%x %y
}
pack .f1.o1 .f1.o2 -side left -padx 3 -pady 3 -fill both -expand t
pack .f1 -fill both -expand t
pack .sx -fill x
pack .sy -fill x
pack .btn -fill x
}
# This is called when mouse button 1 is pressed and moved in either of
# the OpenGL windows.
proc motion_event { width height x y } {
.f1.o1 setXrot [expr 360.0 * $y / $height]
.f1.o2 setXrot [expr 360.0 * $y / $height]
.f1.o1 setYrot [expr 360.0 * ($width - $x) / $width]
.f1.o2 setYrot [expr 360.0 * ($width - $x) / $width]
# .sx set [expr 360.0 * $y / $height]
# .sy set [expr 360.0 * ($width - $x) / $width]
.sx set [getXrot]
.sy set [getYrot]
}
# This is called when a slider is changed.
proc setAngle {axis value} {
global xAngle yAngle zAngle
switch -exact $axis {
x {.f1.o1 setXrot $value
.f1.o2 setXrot $value}
y {.f1.o1 setYrot $value
.f1.o2 setYrot $value}
}
}
# Execution starts here!
setup
|
