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发表于 2003-11-30 10:25:00
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显示全部楼层
Re:用openGL做游戏，结果是死路一条
为什么在不同的视区中显示不一样呢?
void display(void)
{
glClear (GL_COLOR_BUFFER_BIT);
glColor3f (0.9, 0.8, 0.9);
//glMatrixMode(GL_MODELVIEW);
glLoadIdentity (); /* clear the matrix */
/* viewing transformation */
gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
/* modeling transformation */
//glTranslatef(0.0,0.0,-5.0);
//glRotatef(45.0,0.0,1.0,0.0);
glScalef (1.0, 2.0, 1.0);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
//glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0);
gluPerspective(75.0,1.0,1.5,20.0);
glViewport(0,0,100,100);
glutWireCube (1.0);
glViewport(100,0,200,100);
glutWireCube(1.0);
glViewport(200,0,300,100);
glutWireCube(1.0);
glFlush ();
}
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