ACE3/addons/missileguidance/functions/fnc_checkSeekerAngle.sqf

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#include "script_component.hpp"
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/*
* Author: jaynus
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* Returns whether the target position is within the maximum angle FOV of the provided seeker
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* objects current direction.
*
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* Arguments:
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* 0: Seeker <OBJECT>
* 1: Target PosASL <ARRAY>
* 2: Max Angle (degrees) <NUMBER>
*
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* Return Value:
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* Can See <BOOL>
*
* Example:
* [player, cursorTarget, 45] call ace_missileguidance_fnc_checkSeekerAngle;
*
* Public: No
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*/
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params ["_seeker", "_targetPos", "_seekerMaxAngle"];
private _sensorPos = getPosASL _seeker;
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private _testPointVector = vectorNormalized (_targetPos vectorDiff _sensorPos);
private _testDotProduct = (vectorNormalized (velocity _seeker)) vectorDotProduct _testPointVector;
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TRACE_2("fov",acos _testDotProduct,_seekerMaxAngle);
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if (_testDotProduct < (cos _seekerMaxAngle)) exitWith {
false
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};
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true