190 lines
17 KiB
Lua
190 lines
17 KiB
Lua
pico-8 cartridge // http://www.pico-8.com
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version 42
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__lua__
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-- MoonBus
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-- by Dejvino
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plr_alive=1
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plr_pos={x=5,y=20}
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plr_speed={x=0.5,y=0}
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plr_static=false
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plr_engine=-1
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gravity=0.02
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engine_power=0.2
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function _update()
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-- controlls
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plr_engine=-1
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if plr_alive then
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if btn(⬆️) then plr_engine=⬆️ end
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if btn(⬇️) then plr_engine=⬇️ end
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if btn(⬅️) then plr_engine=⬅️ end
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if btn(➡️) then plr_engine=➡️ end
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end
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-- engine
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if plr_engine==⬆️ then
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plr_speed.y+=engine_power
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elseif plr_engine==⬅️ then
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plr_speed.x-=engine_power
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elseif plr_engine==➡️ then
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plr_speed.x+=engine_power
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end
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-- move objects
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move(plr_pos,plr_speed,0.1)
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-- gravity pull
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if not plr_static then
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plr_speed.y-=gravity
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end
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-- crash detection
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local pmaps=mget(plr_pos.x,plr_pos.y-1)
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local solid=fget(pmaps,0)
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if solid or plr_pos.y<=0 then
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plr_speed.y*=-0.75
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plr_alive=0
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if (dist(plr_speed) > 1) then
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sfx(0)
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else
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plr_speed.x=0
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plr_speed.x=0
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plr_static=true
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end
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end
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camera(plr_pos.x*8-60,-56)
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end
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function _draw()
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cls()
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map()
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local px,py=to_scrn(plr_pos)
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local img=0
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if plr_alive==0 then
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img=4
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elseif plr_engine==⬆️ then
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img=2
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elseif plr_engine==⬅️ then
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img=3
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elseif plr_engine==➡️ then
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img=1
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end
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spr(img,px,py)
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end
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function to_scrn(p)
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local x=p.x*8
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local y=128-p.y*8
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return x,y
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end
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function move(p,d,a)
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p.x+=d.x*a
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p.y+=d.y*a
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end
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function dist(p)
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return abs(p.x) + abs(p.y)
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end
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__gfx__
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000000000000000000000000000000000000aa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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00a9a90000a9a90000a9a90000a9a90000a9000000a9a90000000000000000000000000000000000000000000000000000000000000000000000000000000000
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__gff__
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0000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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__map__
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0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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0000000000000000000000000011110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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__sfx__
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