From 2910f5cfd48e1d96732df5261290a83752a74a09 Mon Sep 17 00:00:00 2001
From: Rtch90 <ritchie.cunningham@protonmail.com>
Date: Wed, 1 Feb 2012 16:36:23 +0000
Subject: [PATCH] [Add] More vector work, added some Length and Distance
 methods.

---
 src/libUnuk/System/Vec2.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/libUnuk/System/Vec2.cpp b/src/libUnuk/System/Vec2.cpp
index edfd04e..cabf65b 100644
--- a/src/libUnuk/System/Vec2.cpp
+++ b/src/libUnuk/System/Vec2.cpp
@@ -22,3 +22,26 @@ Vec2::Vec2(float value) : x(value), y(value) {
 Vec2::Vec2(const Vec2i &copy) : x(copy.x), y(copy.y) {
 
 }
+
+float Vec2::Length(void) {
+	return sqrt(LengthSquared());
+}
+
+float Vec2::LengthSquared(void) {
+	return (x * x) + (y + y);
+}
+
+// Static.
+float Vec2::Distance(const Vec2& value1, const Vec2& value2) {
+	return Vec2(value1 - value2).Length();
+}
+
+
+// Overload some operators..
+Vec2 Vec2::operator-(void) const {
+	return Vec2::Zero - *this;
+}
+
+Vec2 Vec2::operator-(const Vec2& v) const {
+	return Vec2(x - v.x, y - v.y);
+}