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Date Posted: 03:08:51 01/10/03 Fri
Author: Vuong Anh Tuan
Subject: Re: SOURECODE Here
In reply to: Numez 's message, "SOURECODE Here" on 12:27:05 01/16/02 Wed

>#include
>#include
>#include
>void init(void);
>void display(void);
>void idle_func(void);
>
>GLfloat angle;
>
>int main(int argc, char *argv[])
>{
> glutInit(&argc,argv);
> glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);
> glutInitWindowSize(250,250);
> glutInitWindowPosition(100,200);
> glutCreateWindow("Drehung");
> glutDisplayFunc(display);
> glutIdleFunc(idle_func);
> init();
> glutMainLoop();
> return 0;
>}
>void init(void)
>{
> glClearColor(0.0f ,0.0f ,0.0f ,0.0f);
> glClearDepth(1.0f);
> glEnable(GL_CULL_FACE);
> glMatrixMode(GL_PROJECTION);
> glLoadIdentity();
> gluPerspective(45.0f,(GLfloat)250/(GLfloat250,0.1f,100
>.0f);
> glMatrixMode(GL_MODELVIEW);
> glLoadIdentity();
>}
>void idle_func (void)
>{
> angle+=0.05f;
> if (angle>360) angle=0.0f; // Kann verändert werden
> glutPostRedisplay ();
>}
>void display(void){glClear(GL_COLOR_BUFFER_BIT);
> glLoadIdentity();
> glTranslatef(0,0,-5.0f);
> glRotatef(angle,0.0f,1.0f,0.0f);
> glBegin(GL_QUADS);
> glColor3f(1.0f,0.0f,0.0f);
> glVertex3f( -1.0f, 1.0f, -1.0f);
> glVertex3f(1.0f, 1.0f, -1.0f);
> glVertex3f(1.0f,-1.0f, -1.0f);
> glVertex3f( -1.0f,-1.0f, -1.0f);
> glEnd();
>glutSwapBuffers();
>}
>Sorry, ist nur ein Quadrat, kein Würfel.(und das Ganze
>noch mit GLUT).
>ähhhmm wichtig ist die Idle Funktion. Wir haben ne
>Variable
>angle , vom typ float. In jedem Refresh (des displays)
>wird das Quadrat um 0.05 Grad verschoben. (den wert
>kannst du anpassen, aber es wichtig eine float
>variable zu nehmen, da mit kleineren werten eine
>flüssigere darstellung gewährleistet ist). Wenn angle
>über 360 geht, wird die variable auf Null gesetzt.
>glutPostRedisplay sorgt dafür, dass das fenster
>erneuert wird. (refresh).
>Der Rest ist Basic Glut. Sollte keine Probleme
>darstellen.
>
>
>Numez

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