2 files changed, 41 insertions, 6 deletions
diff --git a/assets/javascripts/rectangles/models/rect.js b/assets/javascripts/rectangles/models/rect.js
index a5ae9bf..aca9212 100644
--- a/assets/javascripts/rectangles/models/rect.js
+++ b/assets/javascripts/rectangles/models/rect.js
@@ -53,6 +53,24 @@ window.Rect = (function(){
 		this.translation.a = this.translation.b = 0
 		return this
 	}
+	Rect.prototype.resize = function(translation, sides){
+		var translation = translation || this.translation
+				sides = sides || translation.sides
+		
+		if (sides & LEFT) {
+			this.x.a += translation.a
+		}
+		if (sides & RIGHT) {
+			this.x.b += translation.a
+		}
+		if (sides & FRONT) {
+			this.y.a += translation.b
+		}
+		if (sides & BACK) {
+			this.y.b += translation.b
+		}
+		this.translation.a = this.translation.b = 0
+	}
 	Rect.prototype.contains = function(x,y){
 		return this.x.contains(x) && this.y.contains(y)
 	}
@@ -62,6 +80,22 @@ window.Rect = (function(){
 	Rect.prototype.intersects = function(r){
 		return this.x.intersects(r.x) && this.y.intersects(r.y)
 	}
+	Rect.prototype.nearEdge = function (x, y, r) {
+		var edges = 0
+		if (x < this.x.a+r) {
+			edges |= LEFT
+		}
+		else if (x > this.x.b-r) {
+			edges |= RIGHT
+		}
+		if (y < this.y.a+r) {
+			edges |= FRONT
+		}
+		else if (y > this.y.b-r) {
+			edges |= BACK
+		}
+		return edges
+	}
 	Rect.prototype.width = function(){ return this.x.length() }
 	Rect.prototype.height = function(){ return this.y.length() }
 	Rect.prototype.toString = function(){
diff --git a/assets/javascripts/rectangles/models/wall.js b/assets/javascripts/rectangles/models/wall.js
index 73b98b8..8a74782 100644
--- a/assets/javascripts/rectangles/models/wall.js
+++ b/assets/javascripts/rectangles/models/wall.js
@@ -1,6 +1,7 @@
-window.Wall = (function(){
+var painting_distance_from_wall = 8
+
 
-	var PAINTING_DISTANCE_FROM_WALL = 5
+window.Wall = (function(){
 
 	var Wall = function(opt){
 		this.id = opt.id
@@ -77,18 +78,18 @@ window.Wall = (function(){
 		switch (this.side) {
 			case FRONT:
 				x = major_axis.midpoint()
-				z = minor_axis.a + PAINTING_DISTANCE_FROM_WALL
+				z = minor_axis.a + painting_distance_from_wall
 				break
 			case BACK:
 				x = major_axis.midpoint()
-				z = minor_axis.b - PAINTING_DISTANCE_FROM_WALL
+				z = minor_axis.b - painting_distance_from_wall
 				break
 			case LEFT:
-				x = minor_axis.a + PAINTING_DISTANCE_FROM_WALL
+				x = minor_axis.a + painting_distance_from_wall
 				z = major_axis.midpoint()
 				break
 			case RIGHT:
-				x = minor_axis.b - PAINTING_DISTANCE_FROM_WALL
+				x = minor_axis.b - painting_distance_from_wall
  				z = major_axis.midpoint()
 				break
 		}