1 files changed, 51 insertions, 11 deletions

diff --git a/public/assets/javascripts/rectangles/models/rect.js b/public/assets/javascripts/rectangles/models/rect.js
index a08176a..4f73bec 100644
--- a/public/assets/javascripts/rectangles/models/rect.js
+++ b/public/assets/javascripts/rectangles/models/rect.js
@@ -1,4 +1,3 @@
-
 (function(){
 	var vec2
 	if ('window' in this) {
@@ -8,17 +7,17 @@
 		vec2 = require('./vec2')
 		FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
 		TOP = CEILING, BOTTOM = FLOOR
-		function sidesToString(sides){
-			var s = ""
-			if (sides & FRONT) s += "front "
-			if (sides & BACK)  s += "back "
-			if (sides & LEFT)  s += "left "
-			if (sides & RIGHT) s += "right "
-			if (sides & TOP)  s += "top "
-			if (sides & BOTTOM) s += "bottom "
-			return s
-		}
 	}
+  function sidesToString(sides){
+    var s = ""
+    if (sides & FRONT) s += "front "
+    if (sides & BACK)  s += "back "
+    if (sides & LEFT)  s += "left "
+    if (sides & RIGHT) s += "right "
+    if (sides & TOP)  s += "top "
+    if (sides & BOTTOM) s += "bottom "
+    return s
+  }
 
 	var Rect = function (x0,y0,x1,y1){
 		if (x0 instanceof vec2) {
@@ -39,6 +38,12 @@
 	Rect.prototype.clone = function(){
 		return new Rect( this.x.clone(), this.y.clone() )
 	}
+	Rect.prototype.x_component = function(){
+	  return new vec2( this.x.a, this.y.a )
+	}
+	Rect.prototype.y_component = function(){
+	  return new vec2( this.x.b, this.y.b )
+	}
 	Rect.prototype.assign = function(r) {
 	  this.x.assign(r.x)
 	  this.y.assign(r.y)
@@ -56,6 +61,12 @@
 	Rect.prototype.maxDimension = function(){
 		return abs(this.width) > abs(this.height) ? this.width : this.height
 	}
+	Rect.prototype.isVertical = function(){
+	  return this.x.isPoint()
+	}
+	Rect.prototype.isHorizontal = function(){
+	  return this.y.isPoint()
+	}
 
 	Rect.prototype.mul = function(n){
 		this.x.mul(n)
@@ -141,11 +152,40 @@
 	Rect.prototype.width = function(){ return this.x.length() }
 	Rect.prototype.height = function(){ return this.y.length() }
 	Rect.prototype.delta = function(){ return new vec2( this.x.magnitude(), this.y.magnitude() ) }
+	Rect.prototype.expand = function(rect){
+	  this.x.a = Math.min( this.x.a, rect.x.a )
+	  this.x.b = Math.max( this.x.b, rect.x.b )
+	  this.y.a = Math.min( this.y.a, rect.y.a )
+	  this.y.b = Math.max( this.y.b, rect.y.b )
+	  return this
+	}
+	Rect.prototype.square = function(){
+	  var width = this.x.length()
+	  var height = this.y.length()
+	  var diff
+	  if (width < height) {
+	    diff = (height - width) / 2
+	    this.x.a -= diff
+	    this.x.b += diff
+	  }
+	  else {
+	    diff = (width - height) / 2
+	    this.y.a -= diff
+	    this.y.b += diff
+	  }
+	  return this
+	}
 	Rect.prototype.toString = function(){
 		var sides = sidesToString(this.sides)
 		var s = "[" + this.x.toString() + " " + this.y.toString() + "] " + sides
 		return s
 	}
+	Rect.prototype.exactString = function(){
+		var sides = sidesToString(this.sides)
+		var s = "[" + this.x.exactString() + " " + this.y.exactString() + "] " + sides
+		return s
+	}
+	
 	Rect.prototype.serialize = function(){
 		return { x: this.x.serialize(), y: this.y.serialize() }
 	}