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Function which returns vector direction from pos1 to pos2.
Note
Arma 3: Use
obj1 getDir obj2instead of BIS_fnc_dirTo.
[param1, param2] call BIS_fnc_dirTo
Parameters:
Returns: Number
sets unit1 in the direction of unit2
unit1 setDir ([unit1, unit2] call BIS_fnc_dirTo);
Be careful when using this function in conjunction with BIS_fnc_rotateVector2D, which rotates vectors counterclockwise as per trigonometric conventions, while BIS_fnc_dirTo returns a clockwise angle.
To counter this, simply negate the output of BIS_fnc_dirTo:
[0,1,0], -([_unit, _vehicle] call BIS_fnc_dirTo)] call BIS_fnc_rotateVector2D;