1 files changed, 3 insertions, 2 deletions
diff --git a/public/assets/javascripts/rectangles/models/vec2.js b/public/assets/javascripts/rectangles/models/vec2.js
index 214feb9..0040435 100644
--- a/public/assets/javascripts/rectangles/models/vec2.js
+++ b/public/assets/javascripts/rectangles/models/vec2.js
@@ -20,6 +20,7 @@
 	vec2.prototype.assign = function(v){
 		this.a = v.a
 		this.b = v.b
+		return this
 	}
 	vec2.prototype.abs = function(){
 		if (this.b < this.a) {
@@ -123,12 +124,12 @@
 	}
 	vec2.prototype.union = function(v){
 		if (this.intersects(v)) {
-			return new vec2( min(this.a,v.a), max(this.b, v.b) )
+			return new vec2( Math.min(this.a,v.a), Math.max(this.b, v.b) )
 		}
 	}
 	vec2.prototype.intersection = function(v){
 		if (this.intersects(v)) {
-			return new vec2( max(this.a,v.a), min(this.b, v.b) )
+			return new vec2( Math.max(this.a,v.a), Math.min(this.b, v.b) )
 		}
 	}