// untested
// determine sector by world coordinates, returning 401 means out of perimeter, 404 generic error
private int DetermineSector(GameObject plot)
{
Vector3 plotBearing3D = plot.gameObject.transform.position - perimeter.center;
float sqrToPlot = Vector3.SqrMagnitude(plotBearing3D);
if (sqrToPlot > (perimeter.Sectors[12].distanceRange.y * perimeter.Sectors[12].distanceRange.y))
{
return(404);
} // if the dbogie*dbogie is farther than an outer sector farther distance*distance, return 404, i.e out of perimeter
float headingToPlot = NTools.HeadingFromVector(new Vector2(plotBearing3D.x, plotBearing3D.y));
float bearing = NTools.GetBearingFromHeadings(perimeter.headingFloat, headingToPlot);
if (bearing > 360 || bearing < 0)
{
return(404);
} // Sanity check
// 13 different sectors exist, loop through all, store the one where it is
for (int i = 0; i <= 12; i++)
{
if (sqrToPlot < Mathf.Pow(perimeter.Sectors[i].headingRange.y, 2f) && sqrToPlot > Mathf.Pow(perimeter.Sectors[i].headingRange.x, 2f))
{
if (perimeter.Sectors[i].headingRange.x > perimeter.Sectors[i].headingRange.y)
{
if (bearing < perimeter.Sectors[i].headingRange.x && bearing > perimeter.Sectors[i].headingRange.y)
{
return(i); // i represents the sector index from the sectors array
}
}
else if (perimeter.Sectors[i].headingRange.x < perimeter.Sectors[i].headingRange.y)
{
if (bearing < perimeter.Sectors[i].headingRange.x || bearing > perimeter.Sectors[i].headingRange.y)
{
return(i); // i represents the sector index from the sectors array
}
}
}
}
Debug.Log("Determine sector: 404");
return(404);
}
// 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);
}