ACE3/addons/common/functions/fnc_rscObjectHelper.sqf
jonpas 76e1aafb33
Use function documentation script (#6897)
Co-authored-by: Björn Dahlgren <bjorn@dahlgren.io>
2023-04-30 23:03:35 +02:00

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#include "script_component.hpp"
/*
* Author: PabstMirror
* Convert between screen and 3d object coordinates
*
* Arguments:
* 0: Function <STRING>
* 1: Input array <CODE>
* 2: Scale (optional: 1) <NUMBER>
*
* Return Value:
* Value <ARRAY>
*
* Example:
* ["2d", [0,0,0], 1] call ace_common_fnc_rscObjectHelper
*
* Public: No
*/
params ["_func", "_array", ["_scale", 1]];
private _adjustCam = 1;
private _topFOV = getResolution # 6;
private _leftFOV = getResolution # 7;
private _topLeftX = (_leftFOV-1)*0.5/_leftFOV;
private _bottomRightX = 1-_topLeftX;
private _topLeftY = 0;
private _bottomRightY = 1;
private _return = [];
switch (toLower _func) do {
case ("2d"): {
_array params ["_pointX", "_z", "_pointY"];
private _scrX = _pointX * (_bottomRightX - _topLeftX) + _topLeftX;
private _vX = _leftFOV * (_scrX - 0.5) * _adjustCam * _z;
private _scrY = _pointY * (_bottomRightY - _topLeftY) + _topLeftY;
private _vY = _topFOV * (0.5 - _scrY) * _adjustCam * _z;
_vX = _vX / _scale;
_vY = _vY / _scale;
_return = [_vX, _vY, _z];
};
case ("3d"): {
_array params ["_vX", "_vY", "_z"]; // z is distance from screen
_vX = _vX * _scale;
_vY = _vY * _scale;
private _scrX = _vX / (_leftFOV * _adjustCam * _z) + 0.5;
private _pointX = (_scrX - _topLeftX) / (_bottomRightX - _topLeftX);
private _scrY = 0.5 - _vY / (_topFOV * _adjustCam * _z);
private _pointY = (_scrY - _topLeftY) / (_bottomRightY - _topLeftY);
_return = [_pointX, _z, _pointY];
};
};
_return