/**
* Move point by sent value.
*
* @param int|float $x Move vector on OX axis.
* @param int|float $y Move vector on OY axis.
* @param int|float $z Move vector on OY axis.
* @return Point3D Method returns current object instance.
*/
public function move($x = 0, $y = 0, $z = 0)
{
parent::move($x, $y);
$this->checkZ($z);
$this->z += $z;
return $this;
}
public function testPoint3DEquals()
{
$point3D = new Point2D(16, 18, 20);
$this->assertTrue($point3D->equals($point3D));
$this->assertFalse($point3D->equals(new Point3D(16, 18, 20)));
$this->assertFalse($point3D->equals(new Point3D(16, -1, 20)));
$this->assertTrue($point3D->equals($point3D->move(0, 0, 5)));
}
