/**
* Creates a deep copy of the cloud
*
* @return copied instance
*/
public PointCloud3D copy() {
PointCloud3D c = new PointCloud3D(points.size());
for (ReadonlyVec3D p : points) {
c.addPoint(p.copy());
}
return c;
}
/**
* Recalculates the bounding box, bounding sphere and centroid of the cloud.
*
* @return itself
*/
public PointCloud3D updateBounds() {
min = Vec3D.MAX_VALUE.copy();
max = Vec3D.NEG_MAX_VALUE.copy();
for (Vec3D p : points) {
min.minSelf(p);
max.maxSelf(p);
}
centroid.set(min.add(max).scaleSelf(0.5f));
radiusSquared = 0;
for (ReadonlyVec3D p : points) {
radiusSquared = MathUtils.max(radiusSquared, p.distanceToSquared(centroid));
}
return this;
}
/**
* Updates all points in the cloud so that their new centroid is at the given point.
*
* @param origin new centroid
* @return itself
*/
public PointCloud3D center(ReadonlyVec3D origin) {
getCentroid();
Vec3D delta = origin != null ? origin.sub(centroid) : centroid.getInverted();
for (Vec3D p : points) {
p.addSelf(delta);
}
min.addSelf(delta);
max.addSelf(delta);
centroid.addSelf(delta);
return this;
}
