layer of indirection for rooms

1 files changed, 32 insertions, 3 deletions

diff --git a/assets/javascripts/rectangles/room.js b/assets/javascripts/rectangles/room.js
index cc7af8f..795ef29 100644
--- a/assets/javascripts/rectangles/room.js
+++ b/assets/javascripts/rectangles/room.js
@@ -1,9 +1,38 @@
 window.room = (function(){
 
-	var room = function (x0,y0,x1,y1){
+	var room = function(opt){
+		this.id = opt.id
+		this.rect = opt.rect
+		this.regions = []
+		this.height = 500
+		this.focused = false
 	}
 	
-	
-	
+	room.prototype.toString = function(){
+		return this.rect.toString()
+	}
+
+	room.prototype.reset = function(){
+		var copy = this.rect.clone()
+		copy.sides = FRONT | BACK | LEFT | RIGHT
+		this.regions = [ copy ]
+	}
+
+	room.prototype.clipTo = function(r){
+		// for each of this rect's regions split the region if necessary
+		var regions = this.regions
+		var splits
+
+		for (var i = 0, len = regions.length; i < len; i++) {
+			if (regions[i] && regions[i].intersects(r)) {
+				splits = regions[i].split(r)
+				regions = regions.concat(splits)
+				regions[i] = null
+			}
+		}
+		this.regions = regions
+	}
+
+	return room
 
 })()