merge

1 files changed, 3 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/models/vec3.js b/public/assets/javascripts/rectangles/models/vec3.js
index 4e00b0c..c44dfe6 100644
--- a/public/assets/javascripts/rectangles/models/vec3.js
+++ b/public/assets/javascripts/rectangles/models/vec3.js
@@ -15,6 +15,9 @@ vec3.prototype.sub = function(v){
 	this.c -= v.c
 	return this
 }
+vec3.prototype.clone = function(){
+  return new vec3(this.a, this.b, this.c)
+}
 
 // input: mat4 projection matrix
 vec3.prototype.apply_projection = function (m) {