1K Jump

CONTROLS

LEFT and RIGHT to control the little guy
X to START

Keep him bouncing and don't fall off the screen or go past the DANGEROUS line on the top of the screen

You are fastest right when you bounce

ABOUT

Created for PICO-1K Jam! This whole game uses only 1,013 bytes  and includes:

• Title screen
• Sound effects
• Difficulty increase over time
• Procedural background
  
• A delightful spinning guy

BREAKDOWN

The full source code for this game is below. If you would like to learn how it works, I had a breakdown of the code where I add white space and a lot of comments here.

https://gist.github.com/andymasteroffish/1e29e35ca1d80fdb9e2b3e43a0e11004

SOURCE CODE

You can copy/paste this into a new Pico-8 cart to try it out! Make sure you are using Pico-8 version 0.2.2 or later.

pal({7,13,136,141},1)a=0
b=btn
r=rnd::_r::
g=1t=0n=0s=0w=128x=64y=60v=-1o={}a+=1
?"\ab"
cls()::_::
for i=0,1500do
d=r(w)
e=r(w)
c=pget(d,e)
if(c==1)pset(d,e,0)
if(c>1)pset(d+r(2)-1,e+r(2)-1,c)
end
m=min(12,2+s/7)*g
for j=1,m do
if(b()>0and b()<3)x+=(b()*2-3)*max(.3,-v*1.2)
v+=.01
y+=v
for k,z in pairs(o)do
z.y-=.14
c=1
if abs(x-z.x)<9and abs(y-z.y)<7then
c=2+s%3
v=-0.9
s+=1
?"\as"..flr(m).."c.e.-g"
end
rect(z.x-4,z.y-3,z.x+4,z.y+3,c)
if(c>1)del(o,z)
end
if(t>n)add(o,{x=r(128),y=w+4})n+=120+r(m*15)
t+=1
end
f="\#5\^t\^w"
if y>w or y<0then
if(g>0and a>1)print("\af#..f#..e7..e7")
g=0
?f..s,57,48,1
?"\#5⬅️ & ➡️ to move",35,72
?"\#5❎ to start",43,82
if(b(5))goto _r
else
c=cos
z=sin
?".",r(128),0,1
e=-x/30j=x+c(e)*3k=y+z(e)*3u=x-c(e)*3h=y-z(e)*3line(j,k,u,h)e+=.25
for i=-1,1,.25do
p=.5+i/4l=p*j+u*(1-p)m=p*k+h*(1-p)d=3
if(abs(i)<.8)d=0
line(l+c(e)*3,m+z(e)*3,l-c(e)*d,m-z(e)*d)
end
circ(x+c(e)*4,y+z(e)*4,2)
?s,1,8
end
if a<2then
y=-1
?f.."\#41k jump",37,48
?"by @andy_makes",36,99
end
flip()goto _