/*
* C5----C6
* / | /|
* C1----C2 |
* | C8 | C7
* | / |/ C3->C7 Forward
* C4----C3
*/
public static void ExtractBoxColliderWorldPointsV2(BoxDefinition BoxDefinition, out Vector3 C1, out Vector3 C2, out Vector3 C3, out Vector3 C4, out Vector3 C5, out Vector3 C6, out Vector3 C7, out Vector3 C8)
{
ExtractBoxColliderLocalPoints(BoxDefinition.LocalCenter, BoxDefinition.LocalSize, out Vector3 lC1, out Vector3 lC2, out Vector3 lC3, out Vector3 lC4, out Vector3 lC5,
out Vector3 lC6, out Vector3 lC7, out Vector3 lC8);
var boxLocalToWorld = BoxDefinition.LocalToWorld;
C1 = boxLocalToWorld.MultiplyPoint(lC1);
C2 = boxLocalToWorld.MultiplyPoint(lC2);
C3 = boxLocalToWorld.MultiplyPoint(lC3);
C4 = boxLocalToWorld.MultiplyPoint(lC4);
C5 = boxLocalToWorld.MultiplyPoint(lC5);
C6 = boxLocalToWorld.MultiplyPoint(lC6);
C7 = boxLocalToWorld.MultiplyPoint(lC7);
C8 = boxLocalToWorld.MultiplyPoint(lC8);
}
public static FrustumPointsPositions ConvertBoxColliderToFrustumPoints(BoxDefinition BoxDefinition)
{
ExtractBoxColliderWorldPointsV2(BoxDefinition, out Vector3 FC1, out Vector3 FC2, out Vector3 FC3, out Vector3 FC4, out Vector3 FC5, out Vector3 FC6, out Vector3 FC7, out Vector3 FC8);
return(new FrustumPointsPositions(FC1, FC2, FC3, FC4, FC5, FC6, FC7, FC8));
}
/// <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);
}