// Update is called once per frame
void Update ()
{
FindTarget ();
if (Target != null) {
if (intendedAttack == null) {
intendedAttack = ChooseAttack ();
}
float sqrDistanceToTarget = (Target.transform.position - transform.position).sqrMagnitude;
float sqrRange = intendedAttack.range * intendedAttack.range;
bool targetInRange = sqrDistanceToTarget < sqrRange;
bool targetInSight = enemy.IsTargetVisible (Target, sightDistance);
if (!targetInSight) {
enemy.MoveDirection = enemy.lastSeenTargetPosition - transform.position;
} else if (!targetInRange && !isAttacking) {
// Approach target until in range
enemy.MoveDirection = Target.transform.position - transform.position;
} else {
// Stop moving
enemy.MoveDirection = Vector3.zero;
// Begin or end a running attack
if (!isAttacking && attackCooldown.IsTimeUp ()) {
StartAttack (intendedAttack);
intendedAttack = null;
} else if (isAttacking && attackTime.IsTimeUp ()) {
if (enemy.currentAttack.IsRanged ()) {
FireProjectileWeapon (enemy.currentAttack);
}
EndAttack ();
}
// Wait for cooldown
}
// Always face the target, ignoring y coordinates
if (!isAttacking || (isAttacking && enemy.currentAttack.IsRanged ())) {
enemy.FaceDirection = Target.transform.position - transform.position;
enemy.FaceDirection.y = 0;
}
}
}
// Update is called once per frame
void Update()
{
if (Target == null)
{
FindTarget();
}
if (Target != null)
{
Vector3 directionToTarget = (Target.transform.position - transform.position);
float sqrDistanceToTarget = directionToTarget.sqrMagnitude;
directionToTarget.Normalize();
// Check if we should start an attack
float ATTACK_RANGE_SQUARED = 16.0f;
bool isInAttackRange = sqrDistanceToTarget <= ATTACK_RANGE_SQUARED;
if (isInAttackRange && attackCooldown.IsTimeUp())
{
enemy.WantsToAttack = true;
attackCooldown.StartTimer(WAIT_TIME);
}
if (isInAttackRange && !enemy.isAttacking)
{
// Stop moving
enemy.MoveDirection = Vector3.zero;
}
else
{
// Approach target until in range. Also approach during attack
enemy.MoveDirection = directionToTarget;
}
// Always face and move towards the target
enemy.FaceDirection = directionToTarget;
}
}