void OnTriggerEnter(Collider other)
{
bool attacking = animator.GetCurrentAnimatorStateInfo(0).IsName("Special") && !animator.IsInTransition(0);
if (other.tag != "Enemy")
{
return;
}
if (!attacking)
{
return;
}
// Stores current enemy as a GameObject
GameObject enemy = other.gameObject;
// Gets the Rigidbody component of the current enemy
Rigidbody rb = enemy.GetComponent <Rigidbody>();
// Gets the NavMeshAgent component of the current enemy
NavMeshAgent agent = enemy.GetComponent <NavMeshAgent>();
// Gets the AI script of the current enemy
BasicAIScript AI = enemy.GetComponent <BasicAIScript>();
// Disables the NavMeshAgent of the current enemy
agent.enabled = false;
// Disables kinematic of the enemy's Rigidbody
rb.isKinematic = false;
// Vector3 determines the direction the enemy will fly and normalises the variable
Vector3 direction = enemy.transform.position - transform.position;
direction.Normalize();
// Adds force to make the enemy fly back
rb.AddForce(direction * hitForce + Vector3.up * upForce, ForceMode.Impulse);
// Decreases the enemies health by how much damage was dealt
AI.enemyHealth -= damage;
// Checks if enemies health is equal to or goes below zero
if (AI.enemyHealth <= 0)
{
// If so, set the dead bool in AI script to be true for enemy
AI.dead = true;
}
else
{
agent.enabled = true;
rb.isKinematic = true;
AI.ResetFlashCoolDown();
AI.Flash();
}
}
//--------------------------------------------------------------------------------
// Function determines events when an object stays in a trigger.
//
// Param:
// other: Is the collider of the object triggering the function.
//--------------------------------------------------------------------------------
void OnTriggerStay(Collider other)
{
// Bool determines if an animation is playing
bool attacking = animator.GetCurrentAnimatorStateInfo(0).IsName("Attack") && !animator.IsInTransition(0);
// Ignores function if the collider of object doesn't have a tag of "Enemy"
if (other.tag != "Enemy")
{
return;
}
// Ignores function if player is not attacking
if (!attacking)
{
return;
}
// Sets the current enemy as a GameObject
GameObject enemy = other.gameObject;
// Gets the Rigidbody of the enemy
Rigidbody rb = enemy.GetComponent <Rigidbody>();
// Gets the NavMeshAgent of the enemy
NavMeshAgent agent = enemy.GetComponent <NavMeshAgent>();
// Gets the enemy's BasicAIScript
BasicAIScript AI = enemy.GetComponent <BasicAIScript>();
BoneParticle.SetActive(true);
// Disables NavMeshAgent for enemy
agent.enabled = false;
// Disables Kinematic for the enemies Rigidbody
rb.isKinematic = false;
// Direction Vector3 used for direction enemy will be knocked back
Vector3 direction = enemy.transform.position - transform.position;
// Direction Vector3 normalised
direction.Normalize();
// Adds a knockback force that gets applied to the enemy's Rigidbody
rb.AddForce(direction * hitForce + Vector3.up * upForce, ForceMode.Impulse);
// Decreases the enemies health by how much damage was dealt
AI.enemyHealth -= damage;
// Checks if enemies health is equal to or goes below zero
if (AI.enemyHealth <= 0)
{
// If so, set the dead bool in AI script to be true for enemy
AI.dead = true;
rb.detectCollisions = false;
}
// Else if the enemies health is above zero
else
{
// Re-enables the NavMeshAgent and its Rigidbody
agent.enabled = true;
rb.isKinematic = true;
// Resets enemy's cool down and allows it to flash
AI.ResetFlashCoolDown();
AI.Flash();
}
}
//------------------------------------------------------------
// Function applies knockback physics to enemies
//------------------------------------------------------------
private void Knockback()
{
// Gets the layer mask of an enemy and stores it into local int
int layerMask = 1 << LayerMask.NameToLayer("Enemy");
// Vector3 used to determine the dash direction
Vector3 dashDir = endPos - startPos;
// Dash Direction Vector3 normalised
dashDir.Normalize();
// Defines the centre Vector3 as a point half the distance between start and end position
Vector3 centre = (startPos + endPos) * 0.5f;
// Creates a "new" Vector3 which is half the size of hitbox
Vector3 halfSize = new Vector3(width * 0.5f, 2, dist * 0.5f);
// Stores all enemies near striker during dash into a local array
Collider[] hitEnemies = Physics.OverlapBox(centre, halfSize, transform.rotation, layerMask);
// Runs a for loop for all enemies in local array
for (int i = 0; i < hitEnemies.Length; ++i)
{
// Stores current enemy as a GameObject
GameObject enemy = hitEnemies[i].gameObject;
// Gets the Rigidbody component of the current enemy
Rigidbody rb = enemy.GetComponent <Rigidbody>();
// Gets the NavMeshAgent component of the current enemy
NavMeshAgent agent = enemy.GetComponent <NavMeshAgent>();
// Gets the AI script of the current enemy
BasicAIScript AI = enemy.GetComponent <BasicAIScript>();
// Sets the enemy to be dead in AI script
AI.dead = true;
// Disables the NavMeshAgent of the current enemy
agent.enabled = false;
// Disables kinematic of the enemy's Rigidbody
rb.isKinematic = false;
// Enables gravity of the enemy's Rigidbody
rb.useGravity = true;
// Determines how far the enemy will fly back and normalises the Vector3
Vector3 enemyDir = enemy.transform.position - startPos;
enemyDir.Normalize();
// Creates a "new" Vector3 which will be used to add force
Vector3 rightAngle = new Vector3(dashDir.z, 0, -dashDir.x);
// Gets the dot product of rightAngle and enemyDir
float dot = Vector3.Dot(rightAngle, enemyDir);
// If enemy is to the right of player, add a force to make the enemy fly right
if (dot > 0.0f)
{
rb.AddForce(rightAngle * hitForce + Vector3.up * upForce, ForceMode.Impulse);
}
// Otherwise, add a force that makes the enemy fly left
else
{
rb.AddForce(-rightAngle * hitForce + Vector3.up * upForce, ForceMode.Impulse);
}
}
}
