Re: glutInit() falli� o.fl. -- Spjallþræðir Tölvugrafík

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Date Posted: 18/01/2006 23:44
Author: Hj�lmt�r
Subject: Re: glutInit() falli� o.fl.
In reply to: 's message, "glutInit() falli� o.fl." on 18/01/2006 18:59

>Hva� gerir skipunin
>glutInit(&argc,argv);
>og til hvers eru breyturnar argc og argv � main
>fallinu?
>
>int main(int argc, char** argv)
>{
> glutInit(&argc,argv);
> glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
> glutInitWindowSize(500,500);
> glutInitWindowPosition(0,0);
> glutCreateWindow("Sierpinski Gasket");
> glutDisplayFunc(display);
>
> myinit();
> glutMainLoop();
>
> return 0;
>}
>
>Hva� gerir skipunin
> myinit();
>og skipunin
> glutMainLoop();

Falli� glutInit upphafsstillir GLUT safni�. Breyturnar argc og argv eru vi�f�ngin sem eru � skipanal�nunni ef .EXE skr�in er keyr� �r skipanal�nunni. �a� er �tlast til a� �essi vi�f�ng s�u send ni�ur � glutInit. Oftast keyrum vi� keyrsluskr�nna innan �r Visual C++ e�a me� �v� a� smella � hana �r Explorer, �annig a� �a� eru engin vi�f�ng.

"myinit()" er nafn � notendaskilgreindu falli sem er v�ntanlega annarsta�ar � skr�nni.

"glutMainLoop()" l�tur stj�rnina yfir til atbur�alykkjunnar (e. event loop) � GLUT og �a� er h�n sem �kve�ur hva� gerist n�st, eftir �v� hva�a atbur�ur ver�ur (m�sarsmellur, lyklabor�s�sl�ttur, o.s.frv.). OpenGL forrit sem nota GLUT ey�a mestum s�num t�ma � atbur�alykkju GLUT.

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