CS2D 
tile(x/32,y/32,'walkable) error
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i going to make new lua and post in unrealsoftware
but i got error
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npc = {}
npc.x = (map('xsize')*32) / 2
npc.y = (map('ysize')*32) / 2
npc.img = image('gfx/sprites/flare3.bmp',npc.x,npc.y,1)
npc.times = 0
npc.rot = 0
addhook("second","times")
function times()
if npc.times > 0 then
npc.times = npc.times - 1
end
if npc.times == nil then
npc.times = 0
end
end
addhook("always","move")
function move()
if npc.img ~= 0 then
if npc.times == 0 then
if npc.rot < 360 then
npc.rot = npc.rot + 1
elseif npc.rot > 360 then
npc.rot = npc.rot - 360
end
local rot = math.rad(npc.rot - 180)
npc_x = npc.x - math.sin(rot) * math.random(1,3)
npc_y = npc.y + math.cos(rot) * math.random(1,3)
if tile(npc.x/32,npc.y/32,'walkable') then
if npc_x < map('xsize')*32 and npc_y < map('ysize')*32 then
npc.x = npc_x
npc.y = npc_y
end
else
rot2 = math.rad(npc.rot + 180)
npc.x = npc.x - math.sin(rot2) * 16
npc.y = npc.y + math.sin(rot2) * 16
end
imagepos(npc.img,npc.x,npc.y,rot)
end
end
end
---how to set my image to go orther way ? ---
---when it went on wall --
