diff options
Diffstat (limited to 'public/assets/javascripts/rectangles/models/vec2.js')
| -rw-r--r-- | public/assets/javascripts/rectangles/models/vec2.js | 5 |
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 |