private const double MOVEPERSTEPPERCENT = 1d; // this seems to be stable with 100%, if nessassary, drop it down a bit so that parts don't move as far each step
#endregion
//TODO: Make a better version, probably a combination of pulling in and separating
public static void PullInCrude(out bool changed, PartSeparator_Part[] parts)
{
// Figure out the max radius
double[] sizes = parts.Select(o => (o.Size.X + o.Size.Y + o.Size.Z) / 3d).ToArray();
double largestPart = sizes.Max();
double maxRadius = largestPart * 8d;
double maxRadiusSquare = maxRadius * maxRadius;
Point3D center = Math3D.GetCenter(parts.Select(o => Tuple.Create(o.Position, o.Mass)).ToArray());
changed = false;
for (int cntr = 0; cntr < parts.Length; cntr++)
{
Vector3D offset = parts[cntr].Position - center; //NOTE: This is just going to the center of the part, it's not considering the extents of the part (this method IS called crude)
if (offset.LengthSquared < maxRadiusSquare)
{
continue;
}
// Pull it straight in
double difference = offset.Length - maxRadius;
offset.Normalize();
offset *= difference * -1d;
parts[cntr].Position += offset; //NOTE: I'm not going to change the center of mass
changed = true;
}
}
public static CollisionHull[] Separate(out bool changed, PartSeparator_Part[] parts, World world)
{
changed = false;
bool[] hasMoved = new bool[parts.Length]; // defaults to false
CollisionHull[] hulls = parts.
Select(o => o.CreateCollisionHull(world)).
ToArray();
// Move the parts
for (int cntr = 0; cntr < MAXSTEPS; cntr++) // execution will break out of this loop early if parts are no longer intersecting
{
Intersection[] intersections = GetIntersections(parts, hulls, hasMoved, world);
if (intersections.Length == 0)
{
break;
}
DoStep(intersections, parts, hasMoved);
changed = true;
}
// Ensure hulls are synced
for (int cntr = 0; cntr < parts.Length; cntr++)
{
if (hasMoved[cntr])
{
hulls[cntr].Dispose();
hulls[cntr] = parts[cntr].CreateCollisionHull(world);
}
}
// Exit Function
return hulls;
}
