From 784ecfafe0589d707bafa867666ee2e8aea56a38 Mon Sep 17 00:00:00 2001
From: tengge1 <930372551@qq.com>
Date: Thu, 21 Feb 2019 21:56:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E9=80=89=E4=B8=AD=E5=B8=AE?=
 =?UTF-8?q?=E5=8A=A9=E5=99=A8=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ShadowEditor.Web/src/helper/Helpers.js      |  2 ++
 ShadowEditor.Web/src/helper/SelectHelper.js | 28 ++++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/ShadowEditor.Web/src/helper/Helpers.js b/ShadowEditor.Web/src/helper/Helpers.js
index 2a9d653d..c9f01fe6 100644
--- a/ShadowEditor.Web/src/helper/Helpers.js
+++ b/ShadowEditor.Web/src/helper/Helpers.js
@@ -1,6 +1,7 @@
 import BaseHelper from './BaseHelper';
 import GridHelper from './GridHelper';
 import ViewHelper from './ViewHelper';
+import SelectHelper from './SelectHelper';
 import SplineHelper from './line/SplineHelper';
 
 /**
@@ -13,6 +14,7 @@ function Helpers(app) {
     this.helpers = [
         new GridHelper(app),
         new ViewHelper(app),
+        new SelectHelper(app),
         new SplineHelper(app),
     ];
 }
diff --git a/ShadowEditor.Web/src/helper/SelectHelper.js b/ShadowEditor.Web/src/helper/SelectHelper.js
index 5b8ccfb3..92446622 100644
--- a/ShadowEditor.Web/src/helper/SelectHelper.js
+++ b/ShadowEditor.Web/src/helper/SelectHelper.js
@@ -12,11 +12,37 @@ SelectHelper.prototype = Object.create(BaseHelper.prototype);
 SelectHelper.prototype.constructor = SelectHelper;
 
 SelectHelper.prototype.start = function () {
-
+    this.app.on(`objectSelected.${this.id}`, this.onObjectSelected.bind(this));
+    this.app.on(`objectChanged.${this.id}`, this.onObjectChanged.bind(this));
 };
 
 SelectHelper.prototype.stop = function () {
+    this.app.on(`objectSelected.${this.id}`, null);
+    this.app.on(`objectChanged.${this.id}`, null);
+};
 
+SelectHelper.prototype.onObjectSelected = function (obj) {
+    if (this.helper === undefined) {
+        this.helper = new THREE.BoxHelper();
+        this.helper.visible = false;
+        this.app.editor.sceneHelpers.add(this.helper);
+    }
+
+    if (obj) {
+        this.object = obj;
+        this.helper.setFromObject(obj);
+        this.helper.visible = true;
+    } else {
+        delete this.object;
+        this.helper.setFromObject(undefined);
+        this.helper.visible = false;
+    }
+};
+
+SelectHelper.prototype.onObjectChanged = function (obj) {
+    if (this.object && this.helper && this.object === obj) {
+        this.helper.update();
+    }
 };
 
 export default SelectHelper;
\ No newline at end of file