void EnemyShip::update(float dt,Vector2d shippos,Vector2d bulletpos)
{
timespawn-=dt;
newposition=(shippos-position);
newvelocity=(velocity.x*normalize(newposition));
angle=(shippos.y>= position.y) ? acos(newvelocity.x/velocity.x) : -acos(newvelocity.x/velocity.x);
float hitvec=length(bulletpos-position);
if(!dead)
{
position = position + dt*newvelocity;
}
if(!dead && hitvec <= 20.0f)
{
dead=true;
hit=true;
}
if(length(newposition) <= 10)
{
dead=true;
gameOver=true;
}
if(dead)
{
position=Vector2d(randy.randomInRange(-1000,2000),randy.randomInRange(-1000,2000));
while(position.x<=1920&&position.x>=0&&position.y<=1080&&position.y>=0)
{
position=Vector2d(randy.randomInRange(-1000,2000),randy.randomInRange(-1000,1800));
}
if(timespawn<=0 && !shipnotspawn)
{
shipnotspawn=true;
dead=false;
timespawn=50.0f;
}
}
if(hit)
{
part.createEffect(1,1,position,100);
part.update(dt);
part.deleteparts(dt);
dead=true;
hit=false;
position=Vector2d(randy.randomInRange(-1000,2000),randy.randomInRange(-1000,1800));
}
if(timespawn<=0)
{
shipnotspawn=false;
}
}
