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[SOLVED] set cursor in lua is not possible?

This thread is a few years old. Some details may refer to an earlier version of Visionaire Studio. Current tutorials

  • #1, by PanS 8 years ago Quote
    its there no way to set the cursor in a lua script?

    i am working on a script set the cursor depending on the direction of an object. so i want to have an arrow showing north if mouse is over an exit area leading north for example. checking the direction isn a problem, but setting a cursor in the same script is apparently not possible right (even according to the wiki)?
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  • #2, by afrlme 8 years ago Quote
    Aye, you can set the cursor via Lua script. Has been possible for quite a while now...
    game.Cursor = Cursors["example"]
  • #3, by PanS 8 years ago Quote
    That was what I tried but it didn't work. Nothing happens. No Error Log or something. Doesnt matter with or without the quotation marks.

    Thats the function to test setting cursor. It will be executed when mouse is over the object (scene change):
    function setExitCursor()
  if game.CurrentObject then
    --print(game.CurrentObject.Direction)
    
    game.Cursor = Cursors["cur_exit_n"]
  end
end
  • #4, by afrlme 8 years ago Quote
    Sorry, my bad. It's actually system.cursor, not game.Cursor.

    system.cursor = Cursors["example"]
  • #5, by PanS 8 years ago Quote
    If I'm not doing anything wrong it will not work. :-/
  • #6, by afrlme 8 years ago Quote
    are you actually calling the function? can you share some screenshots of how you have set it up please?
  • #7, by PanS 8 years ago Quote
    The function is called by a mouse over
  • #8, by PanS 8 years ago Quote
    wtf. now it works. maybe there was a typo in the lines I havent seen till I rewrote the small script.

    Edit: maybe I wrote system.Cursor instead of system.cursor

    Thx Guys! grin

    Edit2: Thats my working script now:
    local t_arrowdirection = {"cur_exit_e","cur_exit_ne","cur_exit_n","cur_exit_nw","cur_exit_w","cur_exit_sw","cur_exit_s","cur_exit_ne"}

function setExitCursor()
  if game.CurrentObject then  --maybe a check for string "exit_to_"
    --print(game.CurrentObject.Direction) 
    local curDir = math.floor((game.CurrentObject.Direction / 45) + 1 )
    system.cursor = Cursors[t_arrowdirection[curDir]]
  end
end

  • #9, by afrlme 8 years ago Quote
    Very good. I would probably use some string.find or string.match thing myself, maybe with a table to iterate through. I would also use the Lua mouse event handler, so I didn't have to create mouse enter/leaves action parts for each exit - though I suppose there's probably not that much work involved in creating some mouse enters/leaves action blocks for a few exits.

    I made the same mistake with system.Cursor too. I replaced game with system, but forgot to lowercase the capital C of cursor. Easy mistake considering almost everything in the data structure uses the camelCase naming convention.