/// <summary>
/// Clears any previous polygons, finds all visible bounding box attachments,
/// and computes the world vertices for each bounding box's polygon.</summary>
/// <param name="skeleton">The skeleton.</param>
/// <param name="updateAabb">
/// If true, the axis aligned bounding box containing all the polygons is computed.
/// If false, the SkeletonBounds AABB methods will always return true.
/// </param>
public void Update(Skeleton skeleton, bool updateAabb)
{
ExposedList <BoundingBoxAttachment> boundingBoxes = BoundingBoxes;
ExposedList <Polygon> polygons = Polygons;
ExposedList <Slot> slots = skeleton.slots;
int slotCount = slots.Count;
boundingBoxes.Clear();
for (int i = 0, n = polygons.Count; i < n; i++)
{
polygonPool.Add(polygons.Items[i]);
}
polygons.Clear();
for (int i = 0; i < slotCount; i++)
{
Slot slot = slots.Items[i];
if (!slot.bone.active)
{
continue;
}
BoundingBoxAttachment boundingBox = slot.attachment as BoundingBoxAttachment;
if (boundingBox == null)
{
continue;
}
boundingBoxes.Add(boundingBox);
Polygon polygon = null;
int poolCount = polygonPool.Count;
if (poolCount > 0)
{
polygon = polygonPool.Items[poolCount - 1];
polygonPool.RemoveAt(poolCount - 1);
}
else
{
polygon = new Polygon();
}
polygons.Add(polygon);
int count = boundingBox.worldVerticesLength;
polygon.Count = count;
if (polygon.Vertices.Length < count)
{
polygon.Vertices = new float[count];
}
boundingBox.ComputeWorldVertices(slot, polygon.Vertices);
}
if (updateAabb)
{
AabbCompute();
}
else
{
minX = int.MinValue;
minY = int.MinValue;
maxX = int.MaxValue;
maxY = int.MaxValue;
}
}
public Polygon GetPolygon(BoundingBoxAttachment attachment)
{
int index = BoundingBoxes.IndexOf(attachment);
return(index == -1 ? null : Polygons.Items[index]);
}