去掉obi，使用自写绳索

Assets/Obi/Editor/Common/Blueprints/Properties/ObiBlueprintSelected.cs

@@ -1,29 +0,0 @@
-namespace Obi
-{
-    public class ObiBlueprintSelected : ObiBlueprintBoolProperty
-    {
-        public IObiSelectableParticleProvider provider;
-        public ObiBlueprintSelected(IObiSelectableParticleProvider provider)
-        {
-            this.provider = provider;
-        }
-
-        public override string name
-        {
-            get { return "Selected"; }
-        }
-
-        public override bool Get(int index)
-        {
-            return provider.IsSelected(index);
-        }
-        public override void Set(int index, bool value)
-        {
-            provider.SetSelected(index,value);
-        }
-        public override bool Masked(int index)
-        {
-            return !provider.Editable(index);
-        }
-    }
-}