/// <summary>
/// This variante of the BoundsValue constructor makes a fixed origin and direction that
/// won't properly update when the universe's world axes rotate, or the object in question
/// the bounding box surrounds moves.
/// </summary>
/// <param name="bounds"></param>
/// <param name="origin"></param>
/// <param name="direction"></param>
/// <param name="shared"></param>
public BoundsValue(Vector min, Vector max, Vector origin, Direction facing, SharedObjects shared)
{
unityBounds = new Bounds();
unityBounds.SetMinMax(min.ToVector3(), max.ToVector3());
this.origin = origin;
this.shared = shared;
this.facing = facing;
RegisterInitializer(InitializeSuffixes);
}
public BoundsValue GetBoundsValue()
{
Direction myFacing = VesselUtils.GetFacing(Vessel);
Quaternion inverseMyFacing = myFacing.Rotation.Inverse();
Vector rootOrigin = Parts[0].GetPosition();
Bounds unionBounds = new Bounds();
for (int pNum = 0; pNum < Parts.Count; ++pNum)
{
PartValue p = Parts[pNum];
Vector partOriginOffsetInVesselBounds = p.GetPosition() - rootOrigin;
Bounds b = p.GetBoundsValue().GetUnityBounds();
Vector partCenter = new Vector(b.center);
// Just like the logic for the part needing all 8 corners of the mesh's bounds,
// this needs all 8 corners of the part bounds:
for (int signX = -1; signX <= 1; signX += 2)
{
for (int signY = -1; signY <= 1; signY += 2)
{
for (int signZ = -1; signZ <= 1; signZ += 2)
{
Vector corner = partCenter + new Vector(signX * b.extents.x, signY * b.extents.y, signZ * b.extents.z);
Vector worldCorner = partOriginOffsetInVesselBounds + p.GetFacing() * corner;
Vector3 vesselCorner = inverseMyFacing * worldCorner.ToVector3();
unionBounds.Encapsulate(vesselCorner);
}
}
}
}
Vector min = new Vector(unionBounds.min);
Vector max = new Vector(unionBounds.max);
// The above operation is expensive and should force the CPU to do a WAIT 0:
Shared.Cpu.YieldProgram(new YieldFinishedNextTick());
return(new BoundsValue(min, max, delegate { return Parts[0].GetPosition(); }, delegate { return VesselUtils.GetFacing(Vessel); }, Shared));
}