ACE3/addons/advanced_ballistics/functions/fnc_calculateAmmoTemperatureVelocityShift.sqf
Phyma ffaa195fe5 Conform function headers to coding guidelines (#5255)
* Fixed headers to work with silentspike python script

* Fixed rest of the files

* Fixed ace-team
2017-06-08 15:31:51 +02:00

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/*
* Author: Ruthberg
*
* Calculates the ammo temperature induced muzzle velocity shift
*
* Arguments:
* 0: muzzle velocity shift lookup table - m/s <ARRAY>
* 1: temperature - degrees celcius <NUMBER>
*
* Return Value:
* muzzle velocity shift - m/s <NUMBER>
*
* Example:
* [[], 5] call ace_advanced_ballistics_fnc_calcilateAmmoTemperatureVelocityShift
*
* Public: No
*/
#include "script_component.hpp"
params ["_muzzleVelocityShiftTable", "_temperature"];
// Check if muzzleVelocityShiftTable is Less Than 11 Entrys
if ((count _muzzleVelocityShiftTable) < 11) exitWith {0};
private _muzzleVelocityShiftTableUpperLimit = _muzzleVelocityShiftTable select 10;
if (isNil "_muzzleVelocityShiftTableUpperLimit") exitWith { 0 };
// Find exact data index required for given temperature
private _temperatureIndexFunction = (_temperature + 15) / 5;
// lower and upper data index used for interpolation
private _temperatureIndexA = (0 max (floor(_temperatureIndexFunction))) min 10;
private _temperatureIndexB = (0 max (ceil(_temperatureIndexFunction))) min 10;
// Interpolation ratio
private _interpolationRatio = _temperatureIndexFunction - floor(_temperatureIndexFunction);
// Interpolation
(_muzzleVelocityShiftTable select _temperatureIndexA) * (1 - _interpolationRatio) + (_muzzleVelocityShiftTable select _temperatureIndexB) * _interpolationRatio // Return