Added event handler for :entity_moved, added door script, various tweaks

assets/base/door/manifest.yaml

@@ -2,3 +2,6 @@
 name: "door"
 model: "door.obj"
 collision: "boundingbox"
+scripts: [
+  "door"
+]

assets/base/door/scripts/door.rb

@@ -0,0 +1,9 @@
+origin = self.position
+
+on.entity_moved do |event|
+  if origin.distance3d(event.entity.position) <= 3.0
+    self.position = origin + Vector.up * 2.4
+  else
+    self.position = origin
+  end
+end