ACE3/addons/frag/functions/fnc_addTrack.sqf

#include "script_component.hpp"

if (GVAR(autoTrace)) then {
    [] call FUNC(startTracing);
};

// setAccTime 0.05;
params ["_origin", "_obj", ["_color", [1, 0, 0, 1]]];

private _positions = [];
private _objSpd = vectorMagnitude (velocity _obj);
_positions pushBack [getPos _obj, _objSpd];
private _data = [_origin, typeOf _origin, typeOf _obj, _objSpd, _positions, _color];

private _index = GVAR(traces) pushBack _data;
[DFUNC(trackTrace), 0, [_obj, _index, CBA_missionTime]] call CBA_fnc_addPerFrameHandler;