CG1-01-15.pdf

22
Programmierung
Rahmenprogramm:
static void myReshape
(int w,int h)
{glViewport(0,0,w,h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,1.0,0.0,1.0);}
2 0 0 0 0 0 0
#include
# #include /
#include
static void myinit
(void) i
{glClearColor (0.0,0.0,0.0,1.0);}
void main(int argc,char** argv)
{glutInitDisplayMode(GLUT_SINGLE|
GLUT_RGB|GLUT_ALPHA|GLUT_DEPTH);
| | )
glutInitWindowPosition(0,0);
glutInitWindowSize(500,500);
glutInit(&argc,argv);
glutCreateWindow(argv[0]);
l C i d ( [0])
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(myDisplay);
glutMainLoop();}
l tM i L () }
static void myDisplay
( (void) id)
{glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1,1,1);
lC l 3f(1 1 1)
glBegin(GL_LINE_LOOP);
glVertex2f(0.25,0.25);
glVertex2f(0.75,0.25);
glVertex2f(0.75,0.75);
lV t 2f(0 75 0 75)
glVertex2f(0.25,0.75);
glEnd();
glFlush();}