71 lines
1.5 KiB
Lua
71 lines
1.5 KiB
Lua
--[[pod_format="raw",created="2026-02-10 12:09:44",modified="2026-02-10 12:27:08",revision=2]]
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player = {
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origin = {
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x = nil,
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y = nil
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},
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dir = nil
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}
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col_bg = 1
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col_ground = 6
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fov = (120 / 180) * math.pi -- 120 horizontal
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function _init()
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for i=0,31 do
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for j=0,31 do
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if mget(i,j) == 5 then -- player id
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player.origin.x = i + 0.5
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player.origin.y = j + 0.5
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player.dir = 0
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break
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end
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end
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if (player.x) break
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end
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end
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function cast_ray(origin, angle)
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end
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function draw_minimap()
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local tile_size = 4
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local offset = 20
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map(0, 0, offset, offset, 31, 31, 0x0000, tile_size, tile_size)
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-- player
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local px = offset + (player.origin.x * tile_size)
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local py = offset + (player.origin.y * tile_size)
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circfill(px, py, 1, 5)
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local len = 3
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local px2 = px + math.cos(player.dir) * len
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local py2 = py + math.sin(player.dir) * len
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line(px, py, px2, py2, 6)
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end
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function _draw()
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cls(col_bg)
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rectfill(0, 135, 480, 270, col_ground)
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local angle_step=(fov / 480) / 360 * math.pi
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for x=0,480-1 do
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local angle = (player.dir-(fov/2) + x * angle_step) % (2 * math.pi)
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local bloc, dist = cast_ray(player.origin, angle)
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end
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draw_minimap()
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end
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function _update()
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local speed = 0.1
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if (btn(0)) player.dir -= speed
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if (btn(1)) player.dir += speed
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if (btn(2)) then
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player.origin.x += math.cos(player.dir) * speed
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player.origin.y += math.sin(player.dir) * speed
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end
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if (btn(3)) then
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player.origin.x -= math.cos(player.dir) * speed
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player.origin.y -= math.sin(player.dir) * speed
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end
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end
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