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wolf: move with direction

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This commit is contained in:
Fabien Freling 2026-02-10 22:30:41 +01:00
parent 803a8b8d91
commit 43cc2a179e
1 changed files with 26 additions and 10 deletions
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36
picotron/wolfenstein_src/main.lua
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@ -1,7 +1,7 @@
--[[pod_format="raw",created="2026-02-10 12:09:44",modified="2026-02-10 12:27:08",revision=2]]
player = {
origin = {
x= nil,
x = nil,
y = nil
},
dir = nil
@ -9,6 +9,7 @@ player = {
col_bg = 1
col_ground = 6
fov = (120 / 180) * math.pi -- 120 horizontal
function _init()
for i=0,31 do
@ -16,13 +17,12 @@ function _init()
if mget(i,j) == 5 then -- player id
player.origin.x = i + 0.5
player.origin.y = j + 0.5
player.dir = math.pi / 2
player.dir = 0
break
end
end
if (player.x) break
end
print("player: ("..player.origin.x..", "..player.origin.y..")")
end
function cast_ray(origin, angle)
@ -31,14 +31,23 @@ end
function draw_minimap()
local tile_size = 4
map(0, 0, 20, 20, 31, 31, 0x0000, tile_size, tile_size)
circfill(20 + (player.origin.x * tile_size), 20 + (player.origin.y * tile_size), 2, 5)
local offset = 20
map(0, 0, offset, offset, 31, 31, 0x0000, tile_size, tile_size)
-- player
local px = offset + (player.origin.x * tile_size)
local py = offset + (player.origin.y * tile_size)
circfill(px, py, 1, 5)
local len = 3
local px2 = px + math.cos(player.dir) * len
local py2 = py + math.sin(player.dir) * len
line(px, py, px2, py2, 6)
end
function _draw()
cls(col_bg)
rectfill(0, 135, 480, 270, col_ground)
local fov = 120 -- horizontal
local angle_step=(fov / 480) / 360 * math.pi
for x=0,480-1 do
local angle = (player.dir-(fov/2) + x * angle_step) % (2 * math.pi)
@ -48,8 +57,15 @@ function _draw()
end
function _update()
if (btn(0)) player.origin.x -= 2
if (btn(1)) player.origin.x += 2
if (btn(2)) player.origin.y -= 2
if (btn(3)) player.origin.y += 2
local speed = 0.1
if (btn(0)) player.dir -= speed
if (btn(1)) player.dir += speed
if (btn(2)) then
player.origin.x += math.cos(player.dir) * speed
player.origin.y += math.sin(player.dir) * speed
end
if (btn(3)) then
player.origin.x -= math.cos(player.dir) * speed
player.origin.y -= math.sin(player.dir) * speed
end
end