From 8ac46baffe44f03a080e57b2acf8a4e776d21d37 Mon Sep 17 00:00:00 2001
From: tengge1 <930372551@qq.com>
Date: Fri, 22 Feb 2019 20:22:12 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AE=A1=E7=AE=97=E3=80=82?=
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---
 ShadowEditor.Web/src/helper/ViewHelper.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ShadowEditor.Web/src/helper/ViewHelper.js b/ShadowEditor.Web/src/helper/ViewHelper.js
index 7bb015ef..5a6c336c 100644
--- a/ShadowEditor.Web/src/helper/ViewHelper.js
+++ b/ShadowEditor.Web/src/helper/ViewHelper.js
@@ -171,6 +171,10 @@ ViewHelper.prototype.onMouseDown = function (event) {
 
     this.matrix.copy(this.mesh.matrixWorld);
 
+    // 旧：projectionMatrix * modelViewMatrix
+    // 新：translateMatrix * projectionMatrix * _modelViewMatrix
+    // matrixWorld = 
+
     if (this.screenXY === undefined) {
         this.screenXY = new THREE.Vector3();
     }