Mouse Aim

var target:Vector3;
var range:float = 200;

var maxPitch:float = 10;
var minPitch:float = -10;
var YawL:float = 45;
var YawR:float = 45;
var Speed:float = 90;
var rotate:Quaternion;

var Paiming:int = 0;
var Yaiming:int = 0;

var yaw = true;
var pitch = true;

var Player:Transform;
var Accuracy:float = 1;
var MuzzleVel:float = 100;

var inRangePitch = true;
var inRangeYaw = true;
var inRange = true;

function Start() {
    Player = Info.player;
}

function Update () {
    Aim();
    if(inRangePitch && inRangeYaw)
    {
        inRange = true;
    }
    else
    {
        inRange = false;
    }
}

function Aim() {
    target = Player.position + Player.rigidbody.velocity*(Vector3.Distance(transform.position, Player.position)/MuzzleVel)*Mathf.Clamp(Random.Range(1-Accuracy, 1+Accuracy), 0.1, Mathf.Infinity);
    var angle = Quaternion.Angle(transform.rotation, Quaternion.LookRotation(target - transform.position, transform.root.up));
    rotate = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(target - transform.position, transform.root.up), (Speed*Time.deltaTime)/angle);
    var relrotate:Quaternion = Quaternion.Inverse(rotate)*transform.rotation;
    var locrotate:Quaternion = Quaternion.Inverse(transform.parent.rotation)*rotate;

    if(relrotate.x > 0)
    {Paiming = 1;}
    else if(relrotate.x < 0)
    {Paiming = -1;}
    else
    {Paiming = 0;}

    if(relrotate.y > 0)
    {Yaiming = 1;}
    else if(relrotate.y < 0)
    {Yaiming = -1;}
    else
    {Yaiming = 0;}

    if(pitch)
    {
        if(Paiming == 1 && transform.localRotation.x > -maxPitch*Mathf.Deg2Rad/2)
        {
            transform.localRotation.x = locrotate.x;
            inRangePitch = true;
        }
        else if(Paiming == -1 && transform.localRotation.x < -minPitch*Mathf.Deg2Rad/2)
        {
            transform.localRotation.x = locrotate.x;
            inRangePitch = true;
        }
        else if(Paiming == 0 && minPitch != 0 && maxPitch != 0)
        {
            transform.localRotation.x = locrotate.x;
            inRangePitch = true;
        }
        else
        {
            inRangePitch = false;
        }
    }
    if(yaw && YawL >= 360 && Yaiming == 1|| yaw && YawR >= 360 && Yaiming == -1)
    {transform.localRotation.y = locrotate.y;}
    else if(yaw)
    {
        if(Yaiming == 1 && transform.localRotation.y > -YawL*Mathf.Deg2Rad/2)
        {
            transform.localRotation.y = locrotate.y;
            inRangeYaw = true;
        }
        else if(Yaiming == -1 && transform.localRotation.y < YawR*Mathf.Deg2Rad/2)
        {
            transform.localRotation.y = locrotate.y;
            inRangeYaw = true;
        }
        else if(Yaiming == 0 && YawR != 0 && YawL != 0)
        {
            transform.localRotation.y = locrotate.y;
            inRangeYaw = true;
        }
        else
        {
            inRangeYaw = false;
        }

    }

    transform.localRotation.z = 0;
}

//Thanks to BahamutoD for the code I based this off of!