Example Code: Convert Position To Map Grid
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ⓘ
- mapGridPosition has been introduced in
1.04
Arma 2
ⓘ
- BIS_fnc_posToGrid has been introduced in 1.00
Armed Assault
private _gridSize = 200; // given grid squares are 200 × 200
private _yOffset = -280; // position [0,0,0] is somewhere in the middle of second big grid on Y axis
private _xPos = floor ((_this select 0) / _gridSize);
private _yPos = floor (((_this select 1) + _yOffset) / _gridSize);
private _letter1Index = floor (_xPos / 10);
private _letter2Index = floor (_xPos % 10);
private _letter1Choice = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J"];
private _letter2Choice = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"];
private _letter1 = _letter1Choice select _letter1Index;
private _letter2 = _letter2Choice select _letter2Index;
private _numbers = 100 - _yPos; // coordinate numbers start from top-left of the map
private _mapGridPosition = format ["%1%2%3", _letter1, _letter2, _numbers];
Operation Flashpoint
; given grid squares are 200 × 200
private _gridSize = 200
; position [0,0,0] is somewhere in the middle of second big grid on Y axis
private _yOffset = -280
private _xPos = (_this select 0) / _gridSize
private _yPos = ((_this select 1) + _yOffset) / _gridSize
_xPos = _xPos - (_xPos mod 1)
_yPos = _yPos - (_yPos mod 1)
private _letter1Index = _xPos / 10
private _letter2Index = _xPos % 10
_letter1Index = _letter1Index - (_letter1Index mod 1)
_letter2Index = _letter2Index - (_letter2Index mod 1)
private _letter1Choice = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J"]
private _letter2Choice = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"]
private _letter1 = _letter1Choice select _letter1Index
private _letter2 = _letter2Choice select _letter2Index
; coordinate numbers start from top-left of the map
private _numbers = 100 - _yPos
private _mapGridPosition = format ["%1%2%3", _letter1, _letter2, _numbers]