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opengl_Learner
10-17-2009, 02:56 PM
hi am trying to work the sample program from Red book and getting the following error...can someone please tell me wats wrong in this???

error LNK2019: unresolved external symbol _gluLookAt@72 referenced in function "void __cdecl display(void)" (?display@@YAXXZ)

void init()
{ glClearColor(0.0,0.0,0.0,0.0);
glShadeModel(GL_FLAT);
}

void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1,1,1);
glLoadIdentity();
gluLookAt(0.0,0.0,5.0,0.0,0.0,0.0,0.0,1.0,0.0);
glScalef(1,2,1);
glutWireCube(1);
glFlush();
}

void reshape(int w, int h)
{
glViewport(0,0,(GLsizei)w,(GLsizei) h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0,1.0,-1.0,1.0,1.5,20.0);
glMatrixMode(GL_MODELVIEW);
}
int main(int argc, char** argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
glutInitWindowSize(500,500);
glutInitWindowPosition(100,100);
glutCreateWindow(argv[0]);
init();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutMainLoop();
return 0;
}

ZbuffeR
10-17-2009, 03:38 PM
When you compile it, make sure to link against GLU library.
What is your compiler and dev platform ?

opengl_Learner
10-18-2009, 08:16 PM
yes i made sure to compile it against glu library..am doing it on Microsoft visual studio 2008..yet no result