/**
* Returns the axis aligned bounding box (AABB) of the region, mesh, and skinned mesh attachments
* for the current pose.
*
* @param offset The distance from the skeleton origin to the bottom left corner of the AABB.
* @param size The width and height of the AABB.
*/
public void getBounds(Vector2 offset, Vector2 size) {
Array<Slot> drawOrder = this.drawOrder;
float minX = Integer.MAX_VALUE,
minY = Integer.MAX_VALUE,
maxX = Integer.MIN_VALUE,
maxY = Integer.MIN_VALUE;
for (int i = 0, n = drawOrder.size; i < n; i++) {
Slot slot = drawOrder.get(i);
float[] vertices = null;
Attachment attachment = slot.attachment;
if (attachment instanceof RegionAttachment) {
RegionAttachment region = (RegionAttachment) attachment;
region.updateWorldVertices(slot, false);
vertices = region.getWorldVertices();
} else if (attachment instanceof MeshAttachment) {
MeshAttachment mesh = (MeshAttachment) attachment;
mesh.updateWorldVertices(slot, true);
vertices = mesh.getWorldVertices();
} else if (attachment instanceof SkinnedMeshAttachment) {
SkinnedMeshAttachment mesh = (SkinnedMeshAttachment) attachment;
mesh.updateWorldVertices(slot, true);
vertices = mesh.getWorldVertices();
}
if (vertices != null) {
for (int ii = 0, nn = vertices.length; ii < nn; ii += 5) {
float x = vertices[ii], y = vertices[ii + 1];
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
}
}
}
offset.set(minX, minY);
size.set(maxX - minX, maxY - minY);
}
