//This is a simple obstacle avoidance function I am working on. Its still in development
//and not currently being used.
public void AvoidObstactle()
{
selectedTurn = UnityEngine.Random.Range(0, 2);
turnTimer = 0;
GameObject prefabSpline = turnList [selectedTurn];
currentSpline = GameObject.Instantiate(prefabSpline, transform.position, transform.rotation);
followerScript = this.gameObject.AddComponent <Dreamteck.Splines.SplineFollower> ();
followerScript.enabled = true;
followerScript.followSpeed = rBody.velocity.magnitude;
followerScript.computer = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ();
splineLength = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ().CalculateLength();
turnTime = splineLength / rBody.velocity.magnitude;
turnWatch = 0;
isdoingManeuver = true;
ChangeState(SHIPAISTATES.TURN);
}
void OutRunState()
{
//This state is very similiar to the moves state. The only difference is that
//this state includes a maneuver section. In this state, the ship can do fancy
//flying manuevers to try to escape the enemy. The manuever section behaves
//just like the turn section, it just uses a different list and different timer varaibles.
turnTimer += Time.deltaTime;
maneuverTimer += Time.deltaTime;
if (turnTimer >= currentTurnTime)
{
selectedTurn = UnityEngine.Random.Range(0, turnList.Count);
turnTimer = 0;
GameObject prefabSpline = turnList [selectedTurn];
currentSpline = GameObject.Instantiate(prefabSpline, transform.position, transform.rotation);
followerScript = this.gameObject.AddComponent <Dreamteck.Splines.SplineFollower> ();
followerScript.enabled = true;
followerScript.followSpeed = rBody.velocity.magnitude;
followerScript.computer = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ();
splineLength = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ().CalculateLength();
//print (splineLength);
turnTime = splineLength / rBody.velocity.magnitude;
isdoingManeuver = true;
CheckForCallForHelp();
ChangeState(SHIPAISTATES.TURN);
}
if (maneuverTimer >= currentManeuverTime)
{
selectedManuever = UnityEngine.Random.Range(0, maneuverList.Count);
turnTimer = 0;
maneuverTimer = 0;
GameObject prefabSpline = maneuverList [selectedManuever];
currentSpline = GameObject.Instantiate(prefabSpline, transform.position, transform.rotation);
followerScript = this.gameObject.AddComponent <Dreamteck.Splines.SplineFollower> ();
followerScript.enabled = true;
followerScript.followSpeed = rBody.velocity.magnitude;
followerScript.computer = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ();
splineLength = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ().CalculateLength();
turnTime = splineLength / rBody.velocity.magnitude;
isdoingManeuver = true;
ChangeState(SHIPAISTATES.TURN);
}
}
//Handles the straigh forward movement of the ship
void MoveState()
{
//Keeps track of time until next turn
turnTimer += Time.deltaTime;
//The turns and manuevers that the ships preform all use splines. I purchased a spline
//pack from the Unity Asset Store. For the ships to move on the splines, they require a component
//from the package to be attached to the ship. These components can only be associated with spline however.
//So each time the ship completes a spline,the old component has to be romved and a new one added.
//This removes the old component.
if (followerScript != null)
{
Destroy(this.gameObject.GetComponent <Dreamteck.Splines.SplineFollower> ());
}
//When it is time to turn...
if (turnTimer >= currentTurnTime)
{
//Randomly select turn from list of turns
selectedTurn = UnityEngine.Random.Range(0, turnList.Count);
//reset turn timer for next time.
turnTimer = 0;
//Spawn selected turn spline
GameObject prefabSpline = turnList [selectedTurn];
currentSpline = GameObject.Instantiate(prefabSpline, transform.position, transform.rotation);
//Adds new component that allows the ship to follow the spline
followerScript = this.gameObject.AddComponent <Dreamteck.Splines.SplineFollower> ();
followerScript.enabled = true;
//Sets speed at which to follow the spline based on the current speed of the ship
followerScript.followSpeed = rBody.velocity.magnitude;
//Concects the spline follow component and the spline
followerScript.computer = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ();
//Determine the distance the ship will travel while following the spline
splineLength = currentSpline.GetComponent <Dreamteck.Splines.SplineComputer> ().CalculateLength();
//Finds the length of time it will take the ship to reach the end of the spline, by taking the
//lenght of the time and dividing it by the ships speed. Time = distance/speed
turnTime = splineLength / rBody.velocity.magnitude;
//The "turnWatch" is basically a stop watch that keeps track of how long the ship has been on the spline
turnWatch = 0;
isdoingManeuver = true;
ChangeState(SHIPAISTATES.TURN);
}
}
