1 files changed, 16 insertions, 2 deletions
diff --git a/public/assets/javascripts/rectangles/models/vec2.js b/public/assets/javascripts/rectangles/models/vec2.js
index 14d0e6b..8942d92 100644
--- a/public/assets/javascripts/rectangles/models/vec2.js
+++ b/public/assets/javascripts/rectangles/models/vec2.js
@@ -43,6 +43,9 @@
 	vec2.prototype.eq = function(v){
 		return this.a == v.a && this.b == v.b
 	}
+	vec2.prototype.isPoint = function(){
+		return this.a == this.b
+	}
 	vec2.prototype.add = function(n){
 		this.a += n
 		this.b += n
@@ -80,6 +83,11 @@
 	  this.a = Math.round(this.a)
 	  this.b = Math.round(this.b)
 	}
+	vec2.prototype.distanceTo = function(v){
+		var va = (this.a - v.a)
+		var vb = (this.b - v.b)
+		return Math.sqrt( va*va + vb*vb )
+	}
 	vec2.prototype.setPosition = function(n){
 		var len = this.length()
 		this.a = n
@@ -103,6 +111,12 @@
 	vec2.prototype.containsDisc = function(n,r){
 		return this.a <= n-r && n+r <= this.b
 	}
+	vec2.prototype.containsVec = function(v){
+		return this.a <= v.a && v.b <= this.b
+	}
+	vec2.prototype.containsCenterVec = function(v){
+		return this.a < v.a && v.b < this.b
+	}
 	vec2.prototype.clamp = function(n){
 		return clamp(n, this.a, this.b)
 	}
@@ -200,13 +214,13 @@
 	}
 
 	vec2.prototype.toString = function(){
-		return "[" + round(this.a) + " " + round(this.b) + "]"
+		return "[" + Math.round(this.a) + " " + Math.round(this.b) + "]"
 	}
 	vec2.prototype.exactString = function(){
 		return "[" + this.a + " " + this.b + "]"
 	}
 	vec2.prototype.serialize = function(){
-		return [ round(this.a), round(this.b) ]
+		return [ Math.round(this.a), Math.round(this.b) ]
 	}
 	vec2.prototype.deserialize = function(data){
 		this.a = data[0]