void CheckPerimeter()
{
if (!perimeter.upToDate)
{
perimeter.upToDate = ResetPerimeter();
}
// determine enemy heading range etc i.e disposition
List <GameObject> bogieGOs = new List <GameObject>(bogies.Count);
for (int i = 0; i < bogies.Count; i++)
{
bogieGOs[i] = bogies[i].bogieObject;
}
NTools.Slice enemyDisposition = NTools.AnalyseGroupDisposition(
perimeter.center,
perimeter.headingFloat,
bogieGOs
);
// Adjust perimeter heading based on enemy positions center of weight
// Determine green and nongreen population of sectors
// Compare population to sector importance, compute importanceMet value
// if needed, add problem of type perimeter
// if there exists a problem with said sector, but is not relevant anymore, remove problem
}
// Used to determine for example in which direction the enemy lies and how widespread they are.
// works in CCW mode
public static NTools.Slice AnalyseGroupDisposition(Vector3 originPos, float originHeading, List <GameObject> objects)
{
NTools.Slice slice = new NTools.Slice(originPos, originHeading, 0, 0, 0, 0, new Vector3(0, 0, 0));
// sanity check, no objects means return of 000000 !!!
if (objects.Count == 0)
{
return(slice);
}
float tempBear, leftBear = 0, rightBear = 0;
// statistical analysis floats:
float meanbearing = 0f, sumDiffFromMean = 0f;
float[] bearings = new float[objects.Count];
slice.centerOfMass = NTools.GetCenterOfObjects3D(objects);
for (int i = 0; i < objects.Count; i++)
{
// left bearing is positive, right bearing is negative, clamped between -180 to 180
tempBear = Mathf.Clamp(
NTools.GetBearingFromHeadings(
originHeading,
NTools.HeadingFromVector(objects[i].transform.position - originPos)
), -180f, 180f);
// storing for later analysis
bearings[i] = tempBear;
// with the first heading set both left and right bearings
if (i == 0)
{
leftBear = tempBear; rightBear = tempBear;
}
else
{
if (tempBear > leftBear)
{
leftBear = tempBear;
}
else if (tempBear < rightBear)
{
rightBear = tempBear;
}
}
}
// disperison computation
for (int i = 0; i < bearings.Length; i++)
{
meanbearing += bearings[i];
}
meanbearing = meanbearing / bearings.Length;
for (int i = 0; i < bearings.Length; i++)
{
sumDiffFromMean += bearings[i] - meanbearing;
}
// Filling the slice !!!
slice.leftmostBearing = leftBear;
slice.rightmostBearing = rightBear;
slice.bearingRange = leftBear - rightBear;
slice.stdDeviation = Mathf.Sqrt(Mathf.Pow(sumDiffFromMean, 2f) / (bearings.Length - 1));
return(slice);
}
