//Mainから直で呼ぶやつ
void UpdateTitle(gameData& _dat);
void DrawTitle(gameData& _dat);
void UpdatePlay(gameData& _dat);
void DrawPlay(gameData& _dat);
void UpdateClear(gameData& _dat);
void DrawClear(gameData& _dat);
void UpdateGameOver(gameData& _dat);
void DrawGameOver(gameData& _dat);
void InitGameData(gameData& _dat);

//Mainから直では呼ばないやつ
void InitPlayer(gameChar& _player);
void InitEnemy(gameChar& _enemy);
void SetCharaRect(gameChar& _gamechar, SizeF _size);
void InitPlayerBullet(gameData& _dat);
//void InitEnemyBullet(EnemyBullet& _eb);

direction GetDirection();
void UpdatePlayer(gameData& _dat);
void DrawPlayer(gameChar& _player);
void DrawEnemy(gameChar& _enemy);

//void UpdateEnemy(gameChar& _enemy);

int GetAlivePlayerBulllet(PlayerGun& _playerGun);
void FirePlayerBullet(gameData& _dat);
void UpdatePlayerBullet(PlayerGun& _playerGun);
void DrawPlayerBullet(PlayerGun& _playerGun);

//爆発関係
void InitExplosionFlames(Explosion& _explosion);
int GetAliveExplotion(Explosion& _explosion);
void FireFlame(Explosion& _explosion, Vec2 _pos);
void UpdateExplosion(Explosion& _explosion);
void DrawExplosions(Explosion& _explosion);

//当たり判定
void PlayerBulletVsEnemies(gameData& _dat);