private void OnTriggerEnter(Collider other)
{
//float accuracy = Vector3.Distance(target.transform.position, owner.transform.position) - Vector3.Distance(target.transform.position, transform.position);
ownerTankAgent.AddReward(30 - Vector3.Distance(target.transform.position, transform.position));
// Collect all the colliders in a sphere from the shell's current position to a radius of the explosion radius.
Collider[] colliders = Physics.OverlapSphere(transform.position, m_ExplosionRadius, m_TankMask);
// Go through all the colliders...
for (int i = 0; i < colliders.Length; i++)
{
// ... and find their rigidbody.
Rigidbody targetRigidbody = colliders[i].GetComponent <Rigidbody>();
// If they don't have a rigidbody, go on to the next collider.
if (!targetRigidbody)
{
continue;
}
// Add an explosion force.
targetRigidbody.AddExplosionForce(m_ExplosionForce, transform.position, m_ExplosionRadius);
// Find the TankHealth script associated with the rigidbody.
TankHealth targetHealth = targetRigidbody.GetComponent <TankHealth>();
// If there is no TankHealth script attached to the gameobject, go on to the next collider.
if (!targetHealth)
{
continue;
}
// Calculate the amount of damage the target should take based on it's distance from the shell.
float damage = CalculateDamage(targetRigidbody.position);
// Deal this damage to the tank.
targetHealth.TakeDamage(damage);
ownerTankAgent.AddReward(damage);
Debug.Log("HIT");
}
// Unparent the particles from the shell.
m_ExplosionParticles.transform.parent = null;
// Play the particle system.
m_ExplosionParticles.Play();
// Play the explosion sound effect.
m_ExplosionAudio.Play();
// Once the particles have finished, destroy the gameobject they are on.
ParticleSystem.MainModule mainModule = m_ExplosionParticles.main;
Destroy(m_ExplosionParticles.gameObject, mainModule.duration);
// Destroy the shell.
Destroy(gameObject);
}
public void TakeDamage(float amount)
{
tankAgent.AddReward(-2 * amount);
// Reduce current health by the amount of damage done.
m_CurrentHealth -= amount;
// Change the UI elements appropriately.
SetHealthUI();
// If the current health is at or below zero and it has not yet been registered, call OnDeath.
if (m_CurrentHealth <= 0f && !m_Dead)
{
OnDeath();
}
}
private void Fire()
{
Vector3 opponent_position = transform.InverseTransformPoint(tankAgent.opponent.transform.position);
tankAgent.AddReward(-Mathf.Abs(opponent_position.x));
// Set the fired flag so only Fire is only called once.
m_Fired = true;
// Create an instance of the shell and store a reference to it's rigidbody.
Rigidbody shellInstance =
Instantiate(m_Shell, m_FireTransform.position, m_FireTransform.rotation) as Rigidbody;
ShellExplosion shellExplosion = shellInstance.GetComponent <ShellExplosion>();
shellExplosion.owner = gameObject;
shellExplosion.target = tankAgent.opponent;
// Set the shell's velocity to the launch force in the fire position's forward direction.
shellInstance.velocity = m_CurrentLaunchForce * m_FireTransform.forward;
// Change the clip to the firing clip and play it.
m_ShootingAudio.clip = m_FireClip;
m_ShootingAudio.Play();
// Reset the launch force. This is a precaution in case of missing button events.
m_CurrentLaunchForce = m_MinLaunchForce;
}