CC Hight Map Projektor pixelart

p=peripheral.wrap("top")
args={...}
file=args[1]
color={}
color[" "]=14
color["0"]=14
color["1"]=15
color["2"]=16
color["3"]=17
color["4"]=18
color["5"]=19
color["6"]=20
color["7"]=21
color["8"]=22
color["9"]=23
color["a"]=24
color["b"]=25
color["c"]=26
color["d"]=27
color["e"]=28
color["f"]=29
fp=fs.open(file,"r")
img=fp.readAll()
i=1
for x=0,63 do
for z=0,63 do
tint=color[string.sub(img,i,i)]
if tint~=nil then
p.setPoint(x,z,1,254-x,tint)
p.setPoint(x,z,0,255-x,tint)
else
p.setPoint(x,z,1,255,tint)
end
i=i+1
end
end