From 43cc2a179ebdc59d4201ea70e94d62b8190da502 Mon Sep 17 00:00:00 2001
From: Fabien Freling <public@ffreling.com>
Date: Tue, 10 Feb 2026 22:30:41 +0100
Subject: [PATCH] wolf: move with direction

---
 picotron/wolfenstein_src/main.lua | 36 ++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 10 deletions(-)

diff --git a/picotron/wolfenstein_src/main.lua b/picotron/wolfenstein_src/main.lua
index 81ac757..997645d 100644
--- a/picotron/wolfenstein_src/main.lua
+++ b/picotron/wolfenstein_src/main.lua
@@ -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