orthographic polyline

1 files changed, 5 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/models/vec2.js b/public/assets/javascripts/rectangles/models/vec2.js
index 14d0e6b..290e45e 100644
--- a/public/assets/javascripts/rectangles/models/vec2.js
+++ b/public/assets/javascripts/rectangles/models/vec2.js
@@ -80,6 +80,11 @@
 	  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