// Update is called once per frame
void Update()
{
if (Input.GetKey(KeyCode.Space))
{
Vector2 mousePosition = cam.ScreenToWorldPoint(Input.mousePosition);
//we want to only apply force if one active tentacle is out
List <Vector2> activeTentacles = getActiveTentaclesExtendedPositions();
GameObject closestBlob = findClosestBlob(mousePosition);
if (closestBlob == null)
{
return;
}
primaryBlob = closestBlob;
List <Vector2> rays = collectAllRaysByBlob(closestBlob, mousePosition, 100);
if (rays.Count > 0 && activeTentacles.Count > 0)
{
cam.GetComponent <CameraController>().blob = closestBlob;
ClosestVector closestVector = findClosestPoint(rays, mousePosition, true);
Vector2 closestPoint = new Vector2(closestVector.x, closestVector.y);
List <GameObject> lineOfSightBlobs = subBlobs.Where(x => doesBlobHaveLineOfSight(x, closestPoint)).ToList <GameObject>();
applyForcesOnBlobs(closestBlob, lineOfSightBlobs, closestPoint);
}
//we need to make sure any blobs wont be cast if no space is available.
//List<GameObject> otherBlobs = subBlobs.Where(x => !x.Equals(closestBlob) && doesBlobHaveLineOfSight(x, closestPoint)).ToList<GameObject>();
List <Vector2> raysForTentacles = collectAllRaysByBlob(closestBlob, mousePosition, 1);
if (raysForTentacles.Count == 0)
{
return;
}
ClosestVector closestVectorForTentacles = findClosestPoint(raysForTentacles, mousePosition, false);
if (closestVectorForTentacles.Found)
{
Vector2 closestPoint = new Vector2(closestVectorForTentacles.x, closestVectorForTentacles.y);
closestBlob.GetComponent <Blob>().attach(closestPoint, maxSpeed);
}
}
}
ClosestVector findClosestPoint(List <Vector2> rays, Vector2 mousePosition, bool ignoreTentacleLocation)
{
Vector2 closestRay = new Vector2(int.MaxValue, int.MaxValue);
List <Vector2> activeTentacles = getActiveTentaclesExtendedPositions();
ClosestVector closest = new ClosestVector(false);
foreach (Vector2 ray in rays)
{
if (!ignoreTentacleLocation && isThisPointTooCloseToAllTentacles(activeTentacles, ray))
{
continue;
}
float currentClosestDistance = Vector2.Distance(closestRay, mousePosition);
float proposedDistance = Vector2.Distance(mousePosition, ray);
if (proposedDistance < currentClosestDistance)
{
closestRay = ray;
closest = new ClosestVector(ray.x, ray.y);
}
}
return(closest);
}