pico-8 cartridge // http://www.pico-8.com version 42 __lua__ -- MoonBus -- by Dejvino plr_alive=1 plr_pos={x=5,y=20} plr_speed={x=0.5,y=0} plr_static=false plr_engine=-1 gravity=0.02 engine_power=0.2 function _update() -- controlls plr_engine=-1 if plr_alive then if btn(⬆️) then plr_engine=⬆️ end if btn(⬇️) then plr_engine=⬇️ end if btn(⬅️) then plr_engine=⬅️ end if btn(➡️) then plr_engine=➡️ end end -- engine if plr_engine==⬆️ then plr_speed.y+=engine_power elseif plr_engine==⬅️ then plr_speed.x-=engine_power elseif plr_engine==➡️ then plr_speed.x+=engine_power end -- move objects move(plr_pos,plr_speed,0.1) -- gravity pull if not plr_static then plr_speed.y-=gravity end -- crash detection local pmaps=mget(plr_pos.x,plr_pos.y-1) local solid=fget(pmaps,0) if solid or plr_pos.y<=0 then plr_speed.y*=-0.75 plr_alive=0 if (dist(plr_speed) > 1) then sfx(0) else plr_speed.x=0 plr_speed.x=0 plr_static=true end end camera(plr_pos.x*8-60,-56) end function _draw() cls() map() local px,py=to_scrn(plr_pos) local img=0 if plr_alive==0 then img=4 elseif plr_engine==⬆️ then img=2 elseif plr_engine==⬅️ then img=3 elseif plr_engine==➡️ then img=1 end spr(img,px,py) end function to_scrn(p) local x=p.x*8 local y=128-p.y*8 return x,y end function move(p,d,a) p.x+=d.x*a p.y+=d.y*a end function dist(p) return abs(p.x) + abs(p.y) end __gfx__ 000000000000000000000000000000000000aa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 00a9a90000a9a90000a9a90000a9a90000a9000000a9a90000000000000000000000000000000000000000000000000000000000000000000000000000000000 00111100001111000011110000111100000100000011110000000000000000000000000000000000000000000000000000000000000000000000000000000000 01111110011111100111111001111110010010100111111000000000000000000000000000000000000000000000000000000000000000000000000000000000 0a9999400a9999400a9999400a9999400a9990400a77654000000000000000000000000000000000000000000000000000000000000000000000000000000000 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