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=== sysCalcFireSolution ===

See [[http://xelerus.de/index.php?s=functions&function=356|sysCalcFireSolution at Xelerus]]

^ Syntax | (sysCalcFireSolution targetPos targetVel speed) -> angle or nil |
^ Arguments | targetPos: the vector position of the target |
^ | targetVel: the vector velocity of the target |
^ | speed: the speed of the projectile |
^ Returns | angle or nil |
^ Category | math, weapon |
^ Description | A very useful function when using [[modding/function/syscreateweaponfire|sysCreateWeaponFire]]. |

Automatically performs all trigonometry required to properly lead a target (assuming it moves in a straight line at constant speed) 

=== Example === 

<code lisp>(sysCalcFireSolution (objGetpos aTargetobj) (objGetVel aTargetObj) (objGetVel gPlayerShip))</code>
Will return the correct angle to fire a projectile in order to hit aTargetObj

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