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Added CSE common port.
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44
addons/common/functions/fnc_getFirstObjectIntersection.sqf
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44
addons/common/functions/fnc_getFirstObjectIntersection.sqf
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/**
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* fn_getFirstIntersection.sqf
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* @Descr: Returns the the first intersection with an object between two positions
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* @Author: Ruthberg
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*
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* @Arguments: [position PositionASL, position PositionASL, accuracy FLOAT]
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* @Return: [intersects BOOL, intersection PositionASL]
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* @PublicAPI: true
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*/
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#include "script_component.hpp"
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private ["_source", "_destination", "_accuracy", "_distance", "_lower", "_upper", "_mid", "_intersections", "_result"];
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_source = _this select 0;
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_destination = _this select 1;
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_accuracy = _this select 2;
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_result = [false, [0, 0, 0]];
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_distance = _source vectorDistance _destination;
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if (count (lineIntersectsWith [_source, _destination]) > 0) then {
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_lower = 0;
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_upper = 1;
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_mid = 0.5;
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_dir = _source vectorFromTo _destination;
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while {(_upper - _lower) * _distance > _accuracy} do {
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_mid = _lower + (_upper - _lower) / 2;
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_intersections = count (lineIntersectsWith [_source, _source vectorAdd (_dir vectorMultiply (_mid * _distance))]);
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if (_intersections > 0) then {
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_upper = _mid;
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} else {
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_lower = _mid;
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};
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};
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_mid = _lower + (_upper - _lower) / 2;
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_result = [true, _source vectorAdd (_dir vectorMultiply (_mid * _distance))];
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};
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_result
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