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Merge pull request #3192 from acemod/getTargetDistance_to_LIS

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Rewrite ace_common_fnc_getTargetDistance to use LineIntersectsSurfaces.
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Thomas Kooi 2016-02-04 19:42:32 +01:00
commit 324edbde6d
1 changed files with 16 additions and 26 deletions
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42
addons/common/functions/fnc_getTargetDistance.sqf
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@ -1,11 +1,11 @@
/* /*
* Author: commy2 * Author: VKing
* Get the distance to the next object the player is looking at. Used for laser distance measurements. * Get the distance to the next object the player is looking at. Used for laser distance measurements.
* *
* Arguments: * Arguments:
* 0: Messurement Accuracy <NUMBER> * 0: Measurement Accuracy (default: 1) <NUMBER>
* 1: Maximal messure distance <NUMBER> * 1: Maximum measure distance (default: 5000) <NUMBER>
* 2: Minimal messure distance (default: nil) <NUMBER> * 2: Minimum measure distance (default: 0) <NUMBER>
* *
* Return Value: * Return Value:
* Distance in meters <NUMBER> * Distance in meters <NUMBER>
@ -14,33 +14,23 @@
*/ */
#include "script_component.hpp" #include "script_component.hpp"
params ["_interval", "_maxDistance", "_minDistance"]; params [["_accuracy",1], ["_maxDistance",5000], ["_minDistance",0]];
private _position = ATLToASL positionCameraToWorld [0, 0, 0]; private _camPosition = AGLToASL positionCameraToWorld [0, 0, 0];
_position set [2, (_position select 2) - (getTerrainHeightASL _position min 0)]; private _aimLinePos = AGLToASL positionCameraToWorld [0, 0, _maxDistance];
private _laser = + _position; private _LIS = lineIntersectsSurfaces [_camPosition, _aimLinePos];
private _line = [_position, _laser];
private _distance = _maxDistance; private _distance = 0;
private _iteration = _distance; if (count _LIS > 0) then {
_distance = _camPosition vectorDistance ((_LIS select 0) select 0);
while { } else {
_iteration > _interval / 2 _distance = _maxDistance;
} do {
_iteration = _iteration / 2;
_laser = ATLToASL positionCameraToWorld [0, 0, _distance];
_laser set [2, (_laser select 2) - (getTerrainHeightASL _laser min 0)];
_line set [1, _laser];
_distance = _distance + (([1, -1] select (lineIntersects (_line + [vehicle ACE_player]) || {terrainIntersectASL _line})) * _iteration);
}; };
_distance = _interval * round (_distance / _interval); _distance = _distance max _minDistance;
_distance = _distance min _maxDistance; _accuracy = _accuracy max 1;
_distance = (round (_distance/_accuracy)) * _accuracy;
if (!isNil "_minDistance") then {_distance = _distance max _minDistance};
_distance _distance