//scan for player
void scanForEnemy()
{
if (scan.getTargetFound()) //if target found
{
state = State.ENGAGE; //switch to engage state
target = scan.getTarget(); //set target to player
}
else
{
state = State.PATROL; //switch to partol state
target = null; //set target null
}
}
// Update is called once per frame
void Update()
{
if (!GC.paused) //if game is not paused
{
if (!preSet && GC.readDifficulty() != 0) //if not set and difficutly is not 0
{
preSet = true; //preset
maxDelayBetweenShots = 2f * (float)GC.readDifficulty(); //set max delay
minDelayBetweenShots = 1f * (float)GC.readDifficulty() / 3f; //set min delay
}
if (readyToFire) //if ready to fire
{
delayBetweenShots = Random.Range(minDelayBetweenShots, maxDelayBetweenShots); //set delay between shots
readyToFire = false; //ready to fire false
target = scanner.getTarget(); //get target
if (target != null) //if has target
{
targetSpeed = target.GetComponent <PlayerControl>().getSpeed(); //read target speed
leadIndicator = getLeadPoint(); //calculate lead
if (Random.Range(0, 1 + (3 / GC.readDifficulty())) == 0) //random chance to miss
{
leadIndicator = addVariance(leadIndicator); //add random variance to lead
}
if (Random.Range(0, 2) == 1 && timeSinceSwitch + 15 < Time.realtimeSinceStartup) //if switch and last switch is 15 second old
{
timeSinceSwitch = Time.realtimeSinceStartup; //set last switch
weaponToFire = decideOnWeapon(); //decide on weapon
}
switch (weaponToFire) //read weapon to fire
{
case 0: //if lead is within range and fire angle => shoot cannon
if (getDistanceToTargetPoint(leadIndicator, this.transform.position) < cannonWeaponRange && isTargetInWeaponAngle(40, leadIndicator))
{
fireCannon(leadIndicator, cannonPods[selectedCannonPod]);
}
break;
case 1: //if lead is within range and fire angle => shoot beam
if (getDistanceToTargetPoint(leadIndicator, this.transform.position) < beamWeaponRange && isTargetInWeaponAngle(90, leadIndicator))
{
fireBeam(beamEmitters[selectedBeamEmitter], leadIndicator);
}
break;
case 2: //if lead is within range and fire angle => shoot rocket
if (getDistanceToTargetPoint(leadIndicator, this.transform.position) < rocketWeaponRange && isTargetInWeaponAngle(90, leadIndicator))
{
fireRocket(rocketPods[selectedRocketPod], target);
}
break;
}
lastShotTime = Time.realtimeSinceStartup; //set last shot
}
}
else if (Time.realtimeSinceStartup >= (lastShotTime + delayBetweenShots)) //set ready to fire on run out of firing delay
{
readyToFire = true;
}
}
}