Subversion Repositories eFlore/Projets.communes

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2 jpm 1 
<?php
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class Vector {
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	public $x;
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	public $y;
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	public $include;
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	public function __construct($x,$y) {
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		$this->x = $x;
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		$this->y = $y;
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	}
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	public function DotProduct(Vector $v) {
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		$dot = ($this->x * $v->x + $this->y * $v->y);
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		return $dot;
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	}
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	public function Magnitude() {
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		return sqrt($this->x*$this->x + $this->y*$this->y);
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	}
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	public function UnitVector() {
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		if ($this->Magnitude() == 0) return new Vector(0,0);
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		return new Vector($this->x / $this->Magnitude(), $this->y / $this->Magnitude());
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	}
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}
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?>