ddmyx/objects/oPlayer/Step_0.gml

if check_hitstop()
	exit;

player_status_update();

player_check_door();
player_check_attacked();
player_check_hazard();
player_check_death();

state();

player_move_and_collide();

/**/
image_xscale = facing;

if invincible_timer > 0
{
	flash_duration = 1;
	flash_timer = abs(sin(current_time * 0.01));
}


var _threshold = 2;
if global.playerHP <= _threshold
{
    var _vol = 1// - (global.playerHP / _threshold) * 0.5;
    audio_sound_gain(heartbeat_sound, _vol, 100);
    
    var _bgm_vol = oAudioManager.bgm_volume * (1 - _vol * 0.7); // 最低压到40%
    audio_sound_gain(oAudioManager.bgm_current, _bgm_vol, 100);
}
else
{
    audio_sound_gain(heartbeat_sound, 0, 200);
    audio_sound_gain(oAudioManager.bgm_current, oAudioManager.bgm_volume, 200); // 恢复
}