Space Shooter 500

Endless enemy waves keep coming. How long can you survive? A tiny TweetTweetJam-8 entry in 500 characters of code.

Code:

_set_fps(60)x=61y=96z=0p={}w={}s=0f=121n=rnd
g=abs::_::b=btn()x=mid(x+b\2%2-b%2,f)y=mid(y+b\8%2-b\4%2,f)?s
z-=1if(z<0)z=10add(w,{x=x,y=y-3})
for q in all(p)do
q.y+=.8a=q.a+q.b*sin(q.y/q.d)q.x=a?"🅾️",a,q.y
if(max(g(x-a),g(y-q.y))<4)run()
if(q.y>136)del(p,q)
end
for r in all(w)do
r.y-=2?"!!",r.x,r.y
for q in all(p)do
if(max(g(r.x-q.x),g(r.y-q.y))<4)s+=1del(p,q)r.y=-9break
end
if(r.y<-8)del(w,r)
end
if(#p<=s\9)a=n(f)b=16+n(16)d=64+n(64)for i=1,6do add(p,{a=a,b=b,d=d,y=-i*9})end
?"★\^1\^c",x,y
goto _