public void Encapsulate(OBB otherOBB)
{
var otherPts = BoxMath.CalcBoxCornerPoints(otherOBB.Center, otherOBB.Size, otherOBB.Rotation);
Matrix4x4 transformMtx = Matrix4x4.TRS(Center, Rotation, Vector3.one);
var modelPts = transformMtx.inverse.TransformPoints(otherPts);
AABB modelAABB = new AABB(Vector3.zero, Size);
modelAABB.Encapsulate(modelPts);
Center = (Rotation * modelAABB.Center) + Center;
Size = modelAABB.Size;
}
private void SnapToObjectHitPoint(GameObjectRayHit objectHit, SnapToPointMode snapMode)
{
if (snapMode == SnapToPointMode.Exact)
{
float distToPlane = new Plane(Normal, Vector3.zero).GetDistanceToPoint(objectHit.HitPoint);
YOffset = distToPlane;
}
else
{
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh;
OBB worldOBB = ObjectBounds.CalcWorldOBB(objectHit.HitObject, boundsQConfig);
if (worldOBB.IsValid)
{
Plane slicePlane = new Plane(Normal, worldOBB.Center);
Vector3 destPt = worldOBB.Center;
var obbCorners = BoxMath.CalcBoxCornerPoints(worldOBB.Center, worldOBB.Size, worldOBB.Rotation);
float sign = Mathf.Sign(slicePlane.GetDistanceToPoint(objectHit.HitPoint));
if (sign > 0.0f)
{
int furthestPtInFront = slicePlane.GetFurthestPtInFront(obbCorners);
if (furthestPtInFront >= 0)
{
destPt = obbCorners[furthestPtInFront];
}
}
else
{
int furthestPtBehind = slicePlane.GetFurthestPtBehind(obbCorners);
if (furthestPtBehind >= 0)
{
destPt = obbCorners[furthestPtBehind];
}
}
float distToPlane = new Plane(Normal, Vector3.zero).GetDistanceToPoint(destPt);
YOffset = distToPlane;
}
}
}
public List <Vector3> GetCornerPoints()
{
return(BoxMath.CalcBoxCornerPoints(_center, _size, Quaternion.identity));
}
public List <Vector3> GetCornerPoints()
{
return(BoxMath.CalcBoxCornerPoints(_center, _size, _rotation));
}
