View source for User:Hajo/test2

==Table-test2==

x,y,z

===Lua - Online-IDEs===
* https://www.lua.org/cgi-bin/demo
* http://ideone.com/

Example - Formatting a table:

====Prog1====
http://ideone.com/1fhw6j

<source lang="lua">
 -- table x,y,z
 n=1
 y=0
 for x = -n, n do
  for z = -n, n do
  --print(x,y,z)
    print( string.format("%3d %2d %2d", x,y,z) )
  end
 end
</source>

=====Output=====
 -1  0 -1
 -1  0  0
 -1  0  1
  0  0 -1
  0  0  0
  0  0  1
  1  0 -1
  1  0  0
  1  0  1

====Prog2====
http://ideone.com/nbSPkn

<source lang="lua">
-- table x,y,z --> w
 function w(x,y,z)
 	c="black"
 	if z<0 then c="red" end
 	return c
 end
 
 n=1
 y=0
 for x = -n, n do
  for z = -n, n do
    c=w(x,y,z)
  --print(x,y,z, c)
    print( string.format("%3d %2d %2d %s", x,y,z, c) )
  end
end
</source>

=====Output=====
 -1  0 -1 red
 -1  0  0 black
 -1  0  1 black
  0  0 -1 red
  0  0  0 black
  0  0  1 black
  1  0 -1 red
  1  0  0 black
  1  0  1 black