merge

1 files changed, 17 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/models/vec2.js b/public/assets/javascripts/rectangles/models/vec2.js
index 0040435..49613c3 100644
--- a/public/assets/javascripts/rectangles/models/vec2.js
+++ b/public/assets/javascripts/rectangles/models/vec2.js
@@ -37,6 +37,9 @@
 	vec2.prototype.midpoint = function(){
 		return lerp(0.5, this.a, this.b)
 	}
+	vec2.prototype.lerp = function(n){
+	  return lerp(n, this.a, this.b)
+	}
 	vec2.prototype.eq = function(v){
 		return this.a == v.a && this.b == v.b
 	}
@@ -60,9 +63,23 @@
 		this.b /= n
 		return this
 	}
+	vec2.prototype.addVec = function(v){
+	  this.a += v.a
+	  this.b += v.b
+	  return this
+	}
+  vec2.prototype.subVec = function(v){
+	  this.a -= v.a
+	  this.b -= v.b
+	  return this
+	}
 	vec2.prototype.zero = function(){
 		this.a = this.b = 0
 	}
+	vec2.prototype.round = function(){
+	  this.a = Math.round(this.a)
+	  this.b = Math.round(this.b)
+	}
 	vec2.prototype.setPosition = function(n){
 		var len = this.length()
 		this.a = n