Minimal Jet Fighter

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Minimal Jet Fighter

by morgan3d

Cart #38807 | 2017-03-28 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA

6

This entire cart is 243 characters (plus six sprites). The code is just:

k,f,q,b=64,0,sqrt,btn
x,y=k,k::a::cls(12)for j=3,k do
s=j/4
sspr(q(q(s))*16-f%8/4,1,k+k,1,k-j*32,k+j,k*4*s,1)end
r=b(1)p=22
if(r)x+=2,p=16
if(b(0))x-=2,p=16
if(b(2))y+=1,p=k
if(b(3))y-=1,p=70
spr(28,x+8,99,4,2)spr(p,x,y,6,3,r)flip()f+=1
goto a

It was a successful attempt to code the basics of a game in two tweets. There's actually enough room to clamp x and y to the screen. I hope someone will use this as a starter to make a real game.

wow! neat Morgan!!

to nitpick a bit, I think the perspective on the checkerboard is not perfect, but it's better than the first version :)

can you exagerate more the perspective?

awesome! this sprite looks familiar :O

It's already much better than the Atari ST port of Afterburner I used to play!

I wish I understood this code :( I'd love to do Space Harrier.

Feels slow on my phone and I don't mean framerate. Like a jet should move faster. Perspective is pretty though. Also a ground/floor check so you don't fly under the shadow.

If you're feeling adventurous, the shadow could change a little to accommodate the angle jet during left/right moves.

Nice job! the jet sprites are fantastic

Nice! This could be the foundation of some great games!

I messed around a bit with the code to fix the perspective and add more feeling of speed:

k,f,b=64,0,btn
x,y=k,k::a::cls(12)for j=6,k do
sspr(-k/j-f%9/4,1,128,1,k-j*32,k+j,k*2*j,1)end
r=b(1)p=22
if(r)x+=2,p=16
if(b(0))x-=2,p=16
if(b(2))y+=1,p=k
if(b(3))y-=1,p=70
spr(28,x+8,99,4,2)spr(p,x,y,6,3,r)flip()f+=1.4
goto a