static void iterate( void ) {
ALfloat orientation[] = { 0.0f, 0.0f, -1.0f,
0.0f, 1.0f, 0.0f };
ALfloat xaxis[] = { 1.0f, 0.0f, 0.0f };
ALfloat yaxis[] = { 0.0f, 1.0f, 0.0f };
ALfloat zaxis[] = { 0.0f, 0.0f, 1.0f };
ALfloat *at = orientation;
ALfloat *up = &orientation[3];
static ALint angle = 0;
/*
* rotate up vector about at vector by angle degrees.
*/
_alRotatePointAboutAxis(TORAD(angle), up, at);
fprintf(stderr, "orientation: \n\tAT(%f %f %f)\n\tUP(%f %f %f)\n",
orientation[0], orientation[1], orientation[2],
orientation[3], orientation[4], orientation[5]);
fprintf(stderr, "angle = %d\n", angle);
angle += 15; /* increment fifeteen degrees degree */
alListenerfv(AL_ORIENTATION, orientation);
micro_sleep(900000);
}
static void iterate( void ) {
ALfloat orientation[] = { 0.0f, 0.0f, -1.0f,
0.0f, 1.0f, 0.0f };
static ALint angle = 0;
/*
* rotate at vector about up vector by angle degrees.
*/
_alRotatePointAboutAxis(TORAD(angle), orientation, &orientation[3]);
angle += 15; /* increment fifeteen degrees degree */
fprintf(stderr, "orientation: \n\tAT(%f %f %f)\n\tUP(%f %f %f)\n",
orientation[0], orientation[1], orientation[2],
orientation[3], orientation[4], orientation[5]);
alListenerfv(AL_ORIENTATION, orientation);
micro_sleep(1500000);
}
