//Updates the local variables storing the mobs (known) location and the target's modified location.
//These are only updated between skitter cycles to reduce accuracy and make it more bug-like.
private void UpdateLocation()
{
location = transform.position;
if (targetScatter > 0)
{
targetLocation = SeekingUtilities.Scatter(ControllerPlayer.PlayerLocation, targetScatter, targetScatter);
}
}
//Runtime Initializations
//Largely based on specific missile conditionals.
private void OnEnable()
{
//Getting the location of the targety point.
//Note, this is not a seeking missile, it merely fires toward the target point, it does not update the target after firing.
GetTargetLocation();
//Setting velocity
GetComponent <Rigidbody2D>().velocity = SeekingUtilities.CalculateVelocity(gameObject, targetLocation, speed);
//Setting destruction after missileLifespan seconds
Destroy(gameObject, missileLifespan);
//Setting damage to player damage if usePlayerDamage is true
if (usePlayerDamage == true)
{
effectAmount = ControllerPlayer.PlayerDamage / ControllerGame.DifficultySetting();
}
}
//Update Functions
#region
//UpdateMovment
//Updates the seekers velocity to aim toward the target. Does not update when very close to the target to reduce the Seekers short range accuracy.
private void UpdateMovement(bool isMoving)
{
if (isMoving)
{
Vector2 distanceToTarget = location - targetLocation;
if (distanceToTarget.sqrMagnitude > 5)
{
velocity = SeekingUtilities.CalculateVelocity(gameObject, targetLocation, speed);
}
//A lerp is used to smooth turning near the target
body2D.velocity = Vector2.Lerp(body2D.velocity, velocity, .1f);
//The sprite is rotated to face the direction of movement.
body2D.transform.rotation = Quaternion.AngleAxis(Mathf.Atan2(body2D.velocity.y, body2D.velocity.x) * Mathf.Rad2Deg - 90, Vector3.forward);
}
else
{
//If isMoving is false then the velocity is zero.
body2D.velocity = Vector2.zero;
}
}
