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package SPVM::Point3D;
1;
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=head1 Name
SPVM::Point3D - Point 3D
=head1 Usage
  use Point3D;
   
  my $point = Point3D->new;
  my $point = Point3D->new(1, 2, 3);
  my $x = $point->x;
  my $y = $point->y;
  my $z = $point->z;
   
  my $point_string = $point->to_string;
=head1 Description
C<Point3D> is a class for a point 3D.
=head1 Super Class
L<Point|SPVM::Point> is the super class of C<Point3D>.
=head1 Fields
C<Point3D> inherits the fields of L<Point|SPVM::Point/"Fields">.
=head2 z
  has z : ro int;
C<z>.
=head1 Class Methods
=head2 new
  static method new : Point3D ($x : int = 0, $y : int = 0, $z : int = 0);
Creates a new C<Point3D> object with $x, $y, $z.
=head1 Instance Methods
C<Point3D> inherits the instance methods of L<Point|SPVM::Point/"Instance Methods">.
=head2 init
  protected method init : Point3D ($x : int = 0, $y : int = 0, $z : int = 0)
Initializes L</"x">, L</"y">, and L</"z">.
=head2 clear
  method clear : void ();
Sets L<x|SPVM::Point/"x">, L<y|SPVM::Point/"y">, and L</"z"> to 0.
=head2 clone
  method clone : Point3D ();
Creates a new C<Point3D> object that clones myself.
=head2 to_string
  method to_string : string ();
Stringifies the C<Point3D> object as the following format.
  (1,2,3)
=head1 Copyright & License
Copyright (c) 2023 Yuki Kimoto
MIT License