PocketMine-MP/src/math/Vector2.php
2013-02-14 20:37:16 +01:00

110 lines
2.2 KiB
PHP

<?php
/*
-
/ \
/ \
/ PocketMine \
/ MP \
|\ @shoghicp /|
|. \ / .|
| .. \ / .. |
| .. | .. |
| .. | .. |
\ | /
\ | /
\ | /
\ | /
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
*/
class Vector2{
public $x, $y;
public function __construct($x = 0, $y = 0){
if(($x instanceof Vector2) === true){
$this->__construct($x->x, $x->y);
}else{
$this->x = $x;
$this->y = $y;
}
}
public function getX(){
return $this->x;
}
public function getY(){
return $this->y;
}
public function getFloorX(){
return (int) $this->x;
}
public function getFloorY(){
return (int) $this->y;
}
public function add($x = 0, $y = 0){
if(($x instanceof Vector2) === true){
return $this->add($x->x, $x->y);
}else{
$this->x += $x;
$this->y += $y;
return new Vector3($this->x + $x, $this->y + $y);
}
}
public function subtract($x = 0, $y = 0){
if(($x instanceof Vector2) === true){
return $this->add(-$x->x, -$x->y);
}else{
return $this->add(-$x, -$y);
}
}
public function ceil(){
return new Vector2((int) ($this->x + 1), (int) ($this->y + 1));
}
public function floor(){
return new Vector2((int) $this->x, (int) $this->y);
}
public function round(){
return new Vector2(round($this->x), round($this->y));
}
public function abs(){
return new Vector2(abs($this->x), abs($this->y));
}
public function distance($x = 0, $y = 0){
if(($x instanceof Vector2) === true){
return sqrt($this->distanceSquared($x->x, $x->y));
}else{
return sqrt($this->distanceSquared($x, $y));
}
}
public function distanceSquared($x = 0, $y = 0){
if(($x instanceof Vector2) === true){
return $this->distanceSquared($x->x, $x->y);
}else{
return pow($this->x - $x, 2) + pow($this->y - $y, 2);
}
}
public function __toString(){
return "Vector2(x=".$this->x.",y=".$this->y.")";
}
}