*
* @return the transformed region
*/
public Region getTransformedRegion() {
Region region = original.getRegion();
Vector minimum = region.getMinimumPoint();
Vector maximum = region.getMaximumPoint();
Transform transformAround =
new CombinedTransform(
new AffineTransform().translate(original.getOrigin().multiply(-1)),
transform,
new AffineTransform().translate(original.getOrigin()));
Vector[] corners = new Vector[] {
minimum,
maximum,
minimum.setX(maximum.getX()),
minimum.setY(maximum.getY()),
minimum.setZ(maximum.getZ()),
maximum.setX(minimum.getX()),
maximum.setY(minimum.getY()),
maximum.setZ(minimum.getZ()) };
for (int i = 0; i < corners.length; i++) {
corners[i] = transformAround.apply(corners[i]);
}
Vector newMinimum = corners[0];
Vector newMaximum = corners[0];
for (int i = 1; i < corners.length; i++) {
newMinimum = Vector.getMinimum(newMinimum, corners[i]);
newMaximum = Vector.getMaximum(newMaximum, corners[i]);
}
// After transformation, the points may not really sit on a block,
// so we should expand the region for edge cases
newMinimum = newMinimum.setX(Math.floor(newMinimum.getX()));
newMinimum = newMinimum.setY(Math.floor(newMinimum.getY()));
newMinimum = newMinimum.setZ(Math.floor(newMinimum.getZ()));
newMaximum = newMaximum.setX(Math.ceil(newMaximum.getX()));
newMaximum = newMaximum.setY(Math.ceil(newMaximum.getY()));
newMaximum = newMaximum.setZ(Math.ceil(newMaximum.getZ()));
return new CuboidRegion(newMinimum, newMaximum);
}