animation_loop_between()

///@function animation_loop_between(first_frame, last_frame)
/// @description loop current sprite animation between first_frame and last_frame
/// @param first_frame first frame of the loop
/// @param last_frame last frame of the loop

var _image_speed = image_speed * sprite_get_speed(sprite_index);
var _type        = sprite_get_speed_type(sprite_index);
if ( _type == spritespeed_framespersecond ) _image_speed = _image_speed/game_get_speed(gamespeed_fps);
var _end_frame = argument[1];

if ( image_speed == 0 ) exit;
if ( image_speed > 0  )
{ if ( image_index + _image_speed >= _end_frame + 1 ) image_index = argument[0]; }
else
{ if ( image_index + _image_speed <= _end_frame – 1 ) image_index = argument[0]; }