1 files changed, 61 insertions, 0 deletions
diff --git a/public/assets/javascripts/rectangles/engine/shapes/shapelist.js b/public/assets/javascripts/rectangles/engine/shapes/shapelist.js
new file mode 100644
index 0000000..00e1a4e
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/shapes/shapelist.js
@@ -0,0 +1,61 @@
+var ShapeList = Fiber.extend(function(base){
+  var exports = {}
+  exports.init = function(){
+    this.shapes = []
+  }
+  exports.add = function(shape){
+    this.shapes.push(shape)
+  }
+  exports.remove = function(shape){
+    var index = this.shapes.indexOf(shape)
+    if (index !== -1) {
+      this.shapes.splice(index, 1)
+    }
+  }
+  exports.removeSegment = function (segment){
+    var shape = segment.shape
+    var head = shape.getHeadAtIndex(segment.head)
+    var tail = shape.getTailAtIndex(segment.tail)
+    this.remove(shape)
+    shape.destroy()
+    if (head) {
+      this.add(head)
+      head.build()
+    }
+    if (tail) {
+      this.add(tail)
+      tail.build()
+    }
+  }
+  exports.findClosestPoint = function (p){
+    var point
+    for (var i = 0; i < this.shapes.length; i++) {
+      point = this.shapes[i].hasPointNear(p)
+      if (point) return { point: point, shape: this.shapes[i] }
+    }
+    return null
+  }
+  exports.findClosestEndPoint = function (p){
+    var point
+    for (var i = 0; i < this.shapes.length; i++) {
+      point = this.shapes[i].hasEndPointNear(p)
+      if (point) return { point: point, shape: this.shapes[i] }
+    }
+    return null
+  }
+  exports.findClosestSegment = function (p){
+    var segment = null, closest_segment = null
+    for (var i = 0; i < this.shapes.length; i++) {
+      segment = this.shapes[i].hasSegmentNear(p, 10)
+      if (segment && (! closest_segment || segment.distance < closest_segment.distance)) {
+        closest_segment = segment
+        closest_segment.shape = this.shapes[i]
+      }
+    }
+    return closest_segment
+  }
+  exports.forEach = function(fn){
+    this.shapes.forEach(fn)
+  }
+  return exports
+})
+\ No newline at end of file