Bullet Shooting

CREATE:
reload=0;
re=30;//reload time, in steps(30=1 second)
spd=4;//bullet speed
damage=10;//bullet damage
acc=5;//accuracy, the higher it is, the less accurate
STEP:
re=max(0,re-1);
SCRIPT:
if mouse_check_button(mb_left)
{
if reload==0
{
var i;
i = instance_create(x,y,obj_energy);
i.image_angle = point_direction(x,y,mouse_x,mouse_y);
i.direction = image_angle+random(acc)-random(acc);
i.speed = spd;
i.damage = damage;
reload=r;
}
}