void Update()
{
Vector2 moveForce = new Vector2(); //0,0
switch (movementType)
{
case Mode.pathFollow:
if (path != null)
{
moveForce = pathFollowing(); //returns spd clamped force needed to "seek" current target
}
break;
case Mode.curveFollow:
currentPathPercent += velocity / 100 * Time.deltaTime; //every update calculating current path percentage according to the defined speed TODO check variable use here
Vector3[] arr = path.nodesVector3.ToArray();
transform.position = path.NewPositionByPath(arr, currentPathPercent); //moving the 'Enemy' to the path position, calculated in method NewPositionByPath
if (path.rotationByPath) //rotating the 'Enemy' in path direction, if set 'rotationByPath'
{
transform.right = path.Interpolate(path.CreatePoints(arr), currentPathPercent + 0.01f) - transform.position;
transform.Rotate(Vector3.forward * 90);
}
if (currentPathPercent > 1) //when the path is complete
{
if (path.loop) //when loop is set, moving to the path starting point; if not, destroying or deactivating the 'Enemy'
{
currentPathPercent = 0;
}
else
{
// Destroy(gameObject); //TODO or, linger
}
}
break;
case Mode.seek:
moveForce = seek(currTarget);
break;
case Mode.escape:
moveForce = flee(currTarget);
break;
case Mode.pursuit:
targetVelocity = currTarget - prevTarget;
prevTarget = currTarget;
moveForce = pursuit(currTarget, targetVelocity,
dynamicT? (int)(Global.findVectorDist(currTarget, (Vector2)transform.position) / max_velocity) :
constantT); //dynamic T dependent on distance between the two
break;
case Mode.wait:
moveForce = Vector2.zero;
break;
}
moveForce = moveForce / mass;
if (smooth)
{
Vector2 steering = moveForce - currForce; //"currForce" is actually the force in previous run
//maybe some truncating of the steering force / limit w max force variable here
steering /= 5; //arbitrary; TODO max force --> how should this be determined?
currForce = Vector3.Normalize(currForce + steering) * max_velocity; //so that overall the velo is the same
}
else
{
currForce = moveForce;
}
transform.position = transform.position + (Vector3)currForce;
}
