> Do you have the behavior bullet and rotate on the same sprite? If so bullet will move at the rotation angle.
>
Yes they're on the same sprite because i want the bullet object's sprite to rotate.
If you use both and want that effect, you have to go to the Bullet properties of the sprite and on Use Angle of Motion, turn it off.
The bullet will then spin with rotation but it won't change its course, it will fly straight.