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
|
#!/usr/local/bin/perl
#
# simple example taken from listing 1-1 (or 1-2) from OpenGL book
#
BEGIN{ unshift(@INC,"../blib"); } # in case OpenGL is built but not installed
BEGIN{ unshift(@INC,"../blib/arch"); } # 5.002 gamma needs this
BEGIN{ unshift(@INC,"../blib/lib"); } # 5.002 gamma needs this
use OpenGL;
glpOpenWindow;
glClearColor(0,0,1,1);
glClear(GL_COLOR_BUFFER_BIT);
glOrtho(-1,1,-1,1,-1,1);
glColor3f(1,0,0);
glBegin(GL_POLYGON);
glVertex2f(-0.5,-0.5);
glVertex2f(-0.5, 0.5);
glVertex2f( 0.5, 0.5);
glVertex2f( 0.5,-0.5);
glEnd();
glpFlush();
print "Program 1-1 Simple, hit Enter in terminal window to quit:\n\n";
glpMainLoop;
|
