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var RegionList = (function(){
var RegionList = {}
var regions = RegionList.regions
RegionList.build = function(){
var segments = RegionList.getSortedSegments()
// loop over them from left to right
// console.log(segments.map(function(s){ return s.toString() }).join("\n"))
var rooms = []
var open_segments = []
var segment, open_segment, y_segments
for (var i = 0; i < segments.length; i++) {
segment = segments[i]
if (! isVertical(segment)) {
continue
}
for (var j = 0; j < open_segments.length; j++) {
open_segment = open_segments[j]
if (segment.y.overlaps(open_segment.y)) {
// if we have overlap, it means we have made a full room
y_segments = open_segment.y.split(segment.y)
if (y_segments.length == 1) {
open_segment.x.b = segment.x.b
rooms.push(open_segment)
}
// other_side = clone_segment(open_segment)
// other_side[0].a = segment[0].a
// other_side[1].a = segment[1].a
// rooms.push([open_segment, other_side])
open_segments.splice(j, 1)
j--
}
}
open_segments.push(segment)
}
// console.log(rooms.map(function(s){ return s[0][0].toString() + " " + s[0][1].toString() + " " + s[1][0].toString() + " " + s[1][1].toString() }).join("\n"))
return rooms
}
RegionList.getSortedSegments = function(){
// get a list of all segments from these polylines
var segments = shapes.getAllSegments()
// re-orient them so they're either facing up or right and make them into rects
segments = segments.map(function(segment){
// vertical
if (segment[0].a == segment[1].a) {
if (segment[0].b > segment[1].b) {
segment.push(segment.shift())
}
}
// horizontal
else if (segment[0].b == segment[1].b) {
if (segment[0].a > segment[1].a) {
segment.push(segment.shift())
}
}
return new Rect( segment[0].a, segment[0].b, segment[1].a, segment[1].b )
})
return sort.rects_by_position(segments)
}
return RegionList
})()
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