// STATE start ---------------------------------------------
void state_SetOptimalSailToShipAngle()
{
currentShipToWindAngle = angleBetweenShipAndWind.GetCurrentShipToWindAngle();
if (currentShipToWindAngle != lastShipToWindAngle)
{
fastestSailToShipAngle = GetFastestSailsToShipAngle(currentShipToWindAngle);
lastShipToWindAngle = currentShipToWindAngle;
}
enemyBoatController.SetSailsAtGivenAngle(fastestSailToShipAngle);
}
void Start()
{
enemyBoatController = GetComponent <EnemyBoatController>();
angleBetweenShipAndWind = GetComponent <AngleBetweenShipAndWind>();
currentShipToWindAngle = angleBetweenShipAndWind.GetCurrentShipToWindAngle();
fastestSailToShipAngle = GetFastestSailsToShipAngle(currentShipToWindAngle);
lastShipToWindAngle = currentShipToWindAngle;
activeState = state_SetOptimalSailToShipAngle;
}
// STATE end -----------------------------------------------
// STATE start ---------------------------------------------
void state_MoveRandomly()
{
if (obstacle1)
{
activeState = state_AvoidingObstacle;
return;
}
if (enemyShip)
{
Vector3 playerShipDirection = enemyShip.transform.forward;
playerShipDirection.y = 0;
Vector3 ourShipDirection = transform.forward;
ourShipDirection.y = 0;
float angleBetweenPlayerShipDirectionAndOurShipDirection = Vector3.Angle(playerShipDirection, ourShipDirection);
if (angleBetweenPlayerShipDirectionAndOurShipDirection > 90)
{
angleBetweenPlayerShipDirectionAndOurShipDirection = 180 - angleBetweenPlayerShipDirectionAndOurShipDirection;
}
if ((angleBetweenPlayerShipDirectionAndOurShipDirection <= 5) &&
(AIHelperFunctions.GetDistanceBetweenPerpendicular(this.gameObject, enemyShip) <= 3))
{
activeState = state_Battle;
return;
}
}
//change ship direction periodically
if (Time.time > changeDirectionTime)
{
changeDirectionTime = Time.time + RandomPeriodOfTime();
float currentShipToWindAngle = angleBetweenShipAndWind.GetCurrentShipToWindAngle();
float angle = Random.Range(-45.0f, 45.0f);
Vector3 rotatedVector;
if (currentShipToWindAngle - angle > 150)
{
rotatedVector = AIHelperFunctions.GetRotatedVector(windArea.windDirection, -150 * Mathf.Deg2Rad);
}
else if (currentShipToWindAngle - angle < -150)
{
rotatedVector = AIHelperFunctions.GetRotatedVector(windArea.windDirection, 150 * Mathf.Deg2Rad);
}
else
{
rotatedVector = AIHelperFunctions.GetRotatedVector(transform.forward, angle * Mathf.Deg2Rad);
}
enemyBoatController.SetNewShipDirection(rotatedVector);
}
}
// STATE end -----------------------------------------------
// STATE start ---------------------------------------------
void state_PlayerSearch()
{
if (obstacle1)
{
activeState = state_AvoidObstacles;
return;
}
if (playerShip)
{
activeState = state_GoToPlayerShip;
return;
}
//change ship direction periodically
if (Time.time > changeDirectionTime)
{
changeDirectionTime = Time.time + RandomPeriodOfTime();
float currentShipToWindAngle = angleBetweenShipAndWind.GetCurrentShipToWindAngle();
float angle = Random.Range(-45.0f, 45.0f);
Vector3 rotatedVector;
if (currentShipToWindAngle - angle > 150)
{
rotatedVector = AIHelperFunctions.GetRotatedVector(windArea.windDirection, -150 * Mathf.Deg2Rad);
}
else if (currentShipToWindAngle - angle < -150)
{
rotatedVector = AIHelperFunctions.GetRotatedVector(windArea.windDirection, 150 * Mathf.Deg2Rad);
}
else
{
rotatedVector = AIHelperFunctions.GetRotatedVector(transform.forward, angle * Mathf.Deg2Rad);
}
enemyBoatController.SetNewShipDirection(rotatedVector);
}
}