private IEnumerator Fire(Transform target)
{
// Play the sound of the gun firing.
m_GunAudio.Play();
// Set the length of the line renderer to the default.
float lineLength = m_DefaultLineLength;
// If there is a target, the line renderer's length is instead the distance from the gun to the target.
if (target)
{
lineLength = Vector3.Distance(m_GunEnd.position, target.position);
}
// Chose an index for a random flare mesh.
int randomFlareIndex = Random.Range(0, m_FlareMeshes.Length);
// Store the rotation of that random flare and set it randomly rotate around the z axis.
Vector3 randomEulerRotation = m_FlareMeshes[randomFlareIndex].transform.eulerAngles;
randomEulerRotation.z = Random.Range(0f, 360f);
// Set the random rotation that has been stored back to the flare and turn it on.
m_FlareMeshes[randomFlareIndex].transform.eulerAngles = randomEulerRotation;
m_FlareMeshes[randomFlareIndex].SetActive(true);
// Play the particle system for the gun.
m_FlareParticles.Play();
// Turn the line renderer on.
m_GunFlare.enabled = true;
SessionData.AddShoots();
// Whilst the line renderer is on move it with the gun.
yield return(StartCoroutine(MoveLineRenderer(lineLength)));
// Turn the line renderer off again.
m_GunFlare.enabled = false;
// Turn the random flare mesh off.
m_FlareMeshes[randomFlareIndex].SetActive(false);
}