import com.simplex3d.math.*; import com.simplex3d.math.geom.*; public class Main { public static void main(String[] args) { Vector3d vector = new Vector3d(1.0, 2.0, 3.0); System.out.println("Vector: " + vector); Matrix4d identityMatrix = new Matrix4d(); Vector3d transformedVector = vector.multiply(identityMatrix); System.out.println("Transformed Vector: " + transformedVector); double distance = vector.distanceTo(transformedVector); System.out.println("Distance: " + distance); } }