public static VisibilityProbe Allocate(int NumberOfPoints)
{
VisibilityProbe VisibilityProbe = new VisibilityProbe();
VisibilityProbe.LocalPoints = new Vector3[NumberOfPoints];
return(VisibilityProbe);
}
/// <summary>
/// Procedurally generates probe points on a <see cref="BoxDefinition"/>.
/// If the provided density is too high, a minimum set of points (represented by Box corners) are provided.
/// </summary>
public static VisibilityProbe GenerateAndAlocateVisibilityProbeLocalPointsFrom(float ProbeDensityPerUnit, BoxDefinition BoxDefinition)
{
Intersection.ExtractBoxColliderLocalPoints(BoxDefinition.LocalCenter, BoxDefinition.LocalSize,
out Vector3 C1, out Vector3 C2, out Vector3 C3, out Vector3 C4, out Vector3 C5, out Vector3 C6, out Vector3 C7, out Vector3 C8);
float BoxWidth = Vector3.Distance(C1, C2);
float BoxHeight = Vector3.Distance(C1, C4);
float BoxDepth = Vector3.Distance(C1, C5);
CalculateProbeNumberAndIntervalFromDensity(BoxWidth, ProbeDensityPerUnit, out int WidthNumberOfProbe, out float WidthDistanceBetweenProbes);
CalculateProbeNumberAndIntervalFromDensity(BoxHeight, ProbeDensityPerUnit, out int HeightNumberOfProbe, out float HeightDistanceBetweenProbes);
CalculateProbeNumberAndIntervalFromDensity(BoxDepth, ProbeDensityPerUnit, out int DepthNumberOfProbe, out float DepthDistanceBetweenProbes);
int totalNumberOfProbe = (WidthNumberOfProbe + HeightNumberOfProbe - 2 + DepthNumberOfProbe - 2) * 4;
VisibilityProbe VisibilityProbe = VisibilityProbe.Allocate(totalNumberOfProbe);
int probeCounter = 0;
FeedVisibilityProbe(C1, C2, true, true, WidthNumberOfProbe, WidthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C4, C3, true, true, WidthNumberOfProbe, WidthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C5, C6, true, true, WidthNumberOfProbe, WidthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C8, C7, true, true, WidthNumberOfProbe, WidthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C1, C4, false, false, HeightNumberOfProbe, HeightDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C2, C3, false, false, HeightNumberOfProbe, HeightDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C5, C8, false, false, HeightNumberOfProbe, HeightDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C6, C7, false, false, HeightNumberOfProbe, HeightDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C1, C5, false, false, DepthNumberOfProbe, DepthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C2, C6, false, false, DepthNumberOfProbe, DepthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C4, C8, false, false, DepthNumberOfProbe, DepthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
FeedVisibilityProbe(C3, C7, false, false, DepthNumberOfProbe, DepthDistanceBetweenProbes, ref VisibilityProbe, ref probeCounter);
return(VisibilityProbe);
}
/// <summary>
///
/// </summary>
private static void FeedVisibilityProbe(Vector3 StartPosition, Vector3 EndPosition,
bool GenerateStart, bool GenerateEnd, int NumberOfProbes, float DistanceBetweenProbes, ref VisibilityProbe visibilityProbe, ref int CurrentProbeCounter)
{
if (GenerateStart)
{
visibilityProbe[CurrentProbeCounter] = StartPosition;
CurrentProbeCounter += 1;
}
Vector3 OffsetDirectionNormalize = (EndPosition - StartPosition).normalized;
for (int i = 1; i < NumberOfProbes; i++)
{
if (i == NumberOfProbes - 1 && !GenerateEnd)
{
break;
;
}
Vector3 probePosition;
if (i == NumberOfProbes - 1)
{
probePosition = EndPosition;
}
else
{
probePosition = StartPosition + (OffsetDirectionNormalize * DistanceBetweenProbes * i);
}
visibilityProbe[CurrentProbeCounter] = probePosition;
CurrentProbeCounter += 1;
}
}
