/***********************************************************
* Name: update_model
*
* Arguments:
* CUBE_STATE_T *state - holds OGLES model info
*
* Description: Updates model projection to current position/rotation
*
* Returns: void
*
***********************************************************/
static void update_model(CUBE_STATE_T *state)
{
// update position
#if 1
state->rot_angle_x = cube_attitude.roll;
state->rot_angle_y = cube_attitude.pitch;
state->rot_angle_z = cube_attitude.yaw;
state->distance = inc_and_clip_distance(state->distance, state->distance_inc);
glLoadIdentity();
// move camera back to see the cube
glTranslatef(0.f, 0.f, -state->distance);
// Rotate model to new position
glRotatef(state->rot_angle_z, 0.f, 0.f, 1.f);
glRotatef(state->rot_angle_y, 0.f, 1.f, 0.f);
glRotatef(state->rot_angle_x, 1.f, 0.f, 0.f);
#else
state->rot_angle_x = inc_and_wrap_angle(state->rot_angle_x, state->rot_angle_x_inc);
state->rot_angle_y = inc_and_wrap_angle(state->rot_angle_y, state->rot_angle_y_inc);
state->rot_angle_z = inc_and_wrap_angle(state->rot_angle_z, state->rot_angle_z_inc);
state->distance = inc_and_clip_distance(state->distance, state->distance_inc);
glLoadIdentity();
// move camera back to see the cube
glTranslatef(0.f, 0.f, -state->distance);
// Rotate model to new position
glRotatef(state->rot_angle_x, 1.f, 0.f, 0.f);
glRotatef(state->rot_angle_y, 0.f, 1.f, 0.f);
glRotatef(state->rot_angle_z, 0.f, 0.f, 1.f);
#endif
}
/***********************************************************
* Name: teapot_update_model
*
* Arguments:
* TEAPOT_STATE_T *state - holds OGLES model info
*
* Description: Updates model projection to current position/rotation
*
* Returns: void
*
***********************************************************/
static int teapot_update_model(RASPITEX_STATE *raspitex_state)
{
TEAPOT_STATE_T *state = (TEAPOT_STATE_T *) raspitex_state->scene_state;
// update position
state->rot_angle_x = inc_and_wrap_angle(state->rot_angle_x, state->rot_angle_x_inc);
state->rot_angle_y = inc_and_wrap_angle(state->rot_angle_y, state->rot_angle_y_inc);
state->rot_angle_z = inc_and_wrap_angle(state->rot_angle_z, state->rot_angle_z_inc);
state->distance = inc_and_clip_distance(state->distance, state->distance_inc);
glLoadIdentity();
// move camera back to see the cube
glTranslatef(0.f, 0.f, -state->distance);
// Rotate model to new position
glRotatef(state->rot_angle_x, 1.f, 0.f, 0.f);
glRotatef(state->rot_angle_y, 0.f, 1.f, 0.f);
glRotatef(state->rot_angle_z, 0.f, 0.f, 1.f);
return 0;
}
/***********************************************************
* Name: update_model
*
* Arguments:
* APP_STATE_T *state - holds OGLES model info
*
* Description: Updates model projection to current position/rotation
*
* Returns: void
*
***********************************************************/
static void
update_model (APP_STATE_T * state)
{
if (state->animate) {
/* update position */
state->rot_angle_x =
inc_and_wrap_angle (state->rot_angle_x, state->rot_angle_x_inc);
state->rot_angle_y =
inc_and_wrap_angle (state->rot_angle_y, state->rot_angle_y_inc);
state->rot_angle_z =
inc_and_wrap_angle (state->rot_angle_z, state->rot_angle_z_inc);
state->distance =
inc_and_clip_distance (state->distance, state->distance_inc);
}
glLoadIdentity ();
/* move camera back to see the cube */
glTranslatef (0.f, 0.f, -state->distance);
/* Rotate model to new position */
glRotatef (state->rot_angle_x, 1.f, 0.f, 0.f);
glRotatef (state->rot_angle_y, 0.f, 1.f, 0.f);
glRotatef (state->rot_angle_z, 0.f, 0.f, 1.f);
}
