/**
* @brief Clears all the currently running effects.
*/
void spfx_clear (void)
{
int i;
/* Clear front layer */
for (i=spfx_nstack_front-1; i>=0; i--)
spfx_destroy( spfx_stack_front, &spfx_nstack_front, i );
/* Clear back layer */
for (i=spfx_nstack_back-1; i>=0; i--)
spfx_destroy( spfx_stack_back, &spfx_nstack_back, i );
/* Clear rumble */
shake_rad = 0.;
shake_pos.x = shake_pos.y = 0.;
shake_vel.x = shake_vel.y = 0.;
}
/**
* @brief Clears all the currently running effects.
*/
void spfx_clear (void)
{
int i;
/* Clear front layer */
for (i=spfx_nstack_front-1; i>=0; i--)
spfx_destroy( spfx_stack_front, &spfx_nstack_front, i );
/* Clear back layer */
for (i=spfx_nstack_back-1; i>=0; i--)
spfx_destroy( spfx_stack_back, &spfx_nstack_back, i );
/* Clear rumble */
shake_set = 0;
shake_off = 1;
shake_force_mod = 0.;
vectnull( &shake_pos );
vectnull( &shake_vel );
}
/**
* @brief Updates an individual spfx.
*
* @param layer Layer the spfx is on.
* @param nlayer Pointer to the assosciated nlayer.
* @param dt Current delta tick.
*/
static void spfx_update_layer( SPFX *layer, int *nlayer, const double dt )
{
int i;
for (i=0; i<*nlayer; i++) {
layer[i].timer -= dt; /* less time to live */
/* time to die! */
if (layer[i].timer < 0.) {
spfx_destroy( layer, nlayer, i );
i--;
continue;
}
/* actually update it */
vect_cadd( &layer[i].pos, dt*VX(layer[i].vel), dt*VY(layer[i].vel) );
}
}