pico-8 cartridge // http://www.pico-8.com version 41 __lua__ -- function _init() start_scene("title") end function _update() if _scene and _scene.update then _scene.update() end end function _draw() if _scene and _scene.draw then _scene.draw() end end function start_scene(name) _scene = _scenes[name] _scene_start = time() if _scene.start then _scene.start() end end function scene_time() return time() - _scene_start end _scene = nil _scenes = {} _scene_start = 0 function draw_title() cls() print("title " .. scene_time()) end function update_title() if scene_time() > 0 then start_scene("ocean") end end _scenes.title = {start=nil, draw=draw_title, update=update_title} function start_ocean() ocean_wind_x = 0 ocean_wind_y = 0 end function draw_ocean() cls(12) local ocean_anim = {[0]=0, 0, 1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0} if ocean_wind_x != 0 or ocean_wind_y != 0 then for x=0,15 do for y=0,15 do local anim = ocean_anim[(flr(time()*4) - ocean_wind_y*y - ocean_wind_x*x) % #ocean_anim] local base = 0 if ocean_wind_y != 0 then base = 5 end if anim > 0 then spr(base+anim, 8*x, 8*y, 1, 1, ocean_wind_x < 0, ocean_wind_y < 0) end end end end print("wind: "..ocean_wind_x..", "..ocean_wind_y) draw_ship(player_ship, 64, 64) end function update_ocean() if btn(0) then ocean_wind_x = -1 elseif btn(1) then ocean_wind_x = 1 else ocean_wind_x = 0 end if btn(2) then ocean_wind_y = -1 elseif btn(3) then ocean_wind_y = 1 else ocean_wind_y = 0 end end _scenes.ocean = {start=start_ocean, draw=draw_ocean, update=update_ocean} function draw_ship(ship, x, y) spr(ship.n, x-ship.w*4, y-ship.h*4, 1, ship.h) if ship.w > 1 then spr(ship.n, x-ship.w*4+8, y-ship.h*4, 1, ship.h, true) end end ship_type = { small={n=64, w=1, h=1}, medium={n=65, w=1, h=2}, large={n=66, w=2, h=2}, ghost={n=67, w=2, h=3} } player_ship = ship_type.ghost __gfx__ ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc7cccccccccc7ccc333333333333333333333333555555555555555555555555 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