1 files changed, 17 insertions, 1 deletions
diff --git a/public/assets/javascripts/rectangles/models/vec3.js b/public/assets/javascripts/rectangles/models/vec3.js
index 97329ed..b3825a9 100644
--- a/public/assets/javascripts/rectangles/models/vec3.js
+++ b/public/assets/javascripts/rectangles/models/vec3.js
@@ -39,5 +39,21 @@ vec3.prototype.serialize = function(){
 vec3.prototype.deserialize = function(data){
   this.a = data[0]
   this.b = data[1]
-  this.c = data[2]
+  this.c = data[2] || data[0]
+  return this
+}
+vec3.prototype.clone = function(){
+  return new vec3(this.a, this.b, this.c)
+}
+vec3.prototype.assign = function(v){
+  this.a = v.a
+  this.b = v.b
+  this.c = v.c
+  return this
+}
+vec3.prototype.mul = function(n) {
+  this.a *= n
+  this.b *= n
+  this.c *= n
+  return this
 }
 \ No newline at end of file