// Update is called once per frame
void Update()
{
if (state == CannonStates.Charging)
{
if (!chargingParticleSystem.isPlaying)
{
chargingEmission.enabled = true;
chargingParticleSystem.Play();
chargeStarted = Time.time;
}
if (chargeStarted + chargingTime < Time.time)
{
chargingEmission.enabled = false;
chargingParticleSystem.Stop();
state = CannonStates.Aiming;
}
}
else
{
if (chargingParticleSystem.isPlaying)
{
chargingEmission.enabled = false;
chargingParticleSystem.Stop();
}
}
if (state == CannonStates.Aiming || state == CannonStates.Shooting)
{
Vector3 shipPos = motherShip.transform.position;
Vector3 curPos = barrel.transform.position;
var shipDir = shipPos - curPos;
//TODO: limit angle to 180 degrees
if (state == CannonStates.Aiming)
{
float angleDiff = Vector3.SignedAngle(barrel.transform.up, shipDir, Vector3.forward);
float rotateDir = angleDiff < 0 ? -1 : 1;
float rotateAmount = Mathf.Min(Mathf.Abs(angleDiff), Time.deltaTime * 90);
barrel.transform.Rotate(Vector3.forward, rotateAmount * rotateDir);
if (rotateAmount < 0.1f)
{
state = CannonStates.Shooting;
}
}
if (state == CannonStates.Shooting)
{
float targetDistance = Vector3.Distance(transform.position, motherShip.transform.position);
Vector3 scale = laser.transform.localScale;
Vector3 target = barrel.transform.position;
Vector3 objectPos = laserHitParticleSystem.transform.position;
target.x = target.x - objectPos.x;
target.y = target.y - objectPos.y;
float angle = Mathf.Atan2(target.y, target.x) * Mathf.Rad2Deg + 90;
laserHitParticleSystem.transform.rotation = Quaternion.Euler(new Vector3(0, 0, angle));
laserHitParticleSystem.transform.Rotate(0, 180, 0);
if (targetDistance > (scale.x / laserScaleMultiplier))
{
laser.transform.localScale = new Vector3(scale.x + laserShootSpeed * Time.deltaTime, 1, 1);
}
else
{
barrel.transform.Rotate(Vector3.forward, 5 * Time.deltaTime);
laserHitParticleSystem.transform.position = laser.transform.position + laser.transform.right * scale.x / laserScaleMultiplier * 0.89f;
if (laserHitStarted < 0)
{
laserHitStarted = Time.time;
laserHitParticleSystem.Play();
laserHitParticleSystem.transform.position = laser.transform.position + laser.transform.right * scale.x / laserScaleMultiplier;
motherShip.Wobble();
}
if (laserHitStarted + laserHitTime < Time.time)
{
state = CannonStates.Cooling;
laser.transform.localScale = new Vector3(1, 1, 1);
laserHitParticleSystem.Stop();
laserHitStarted = -1f;
HurtShip();
}
}
}
}
if (state == CannonStates.Cooling)
{
if (cooldownStarted < 0)
{
cooldownStarted = Time.time;
}
float angleDiff = Vector3.SignedAngle(barrel.transform.up, startPos, Vector3.forward);
float rotateDir = angleDiff < 0 ? -1 : 1;
float rotateAmount = Mathf.Min(Mathf.Abs(angleDiff), Time.deltaTime * 90);
barrel.transform.Rotate(Vector3.forward, rotateAmount * rotateDir);
if (cooldownStarted + cooldownTime < Time.time)
{
state = CannonStates.Charging;
cooldownStarted = -1f;
}
}
}
