From d02bf6885c6706a927f841b28b1ca0fc640e0447 Mon Sep 17 00:00:00 2001
From: ChenX_AMD <maple6@vip.qq.com>
Date: Sun, 25 Feb 2018 22:01:01 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E7=82=B9=E9=80=89=20fix=20#I?=
 =?UTF-8?q?HYFW?=
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---
 src/Editor/PointPick.ts | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/Editor/PointPick.ts b/src/Editor/PointPick.ts
index d0038da2d..b267d3d96 100644
--- a/src/Editor/PointPick.ts
+++ b/src/Editor/PointPick.ts
@@ -34,7 +34,8 @@ export function PointPick(ptVcs: Vector3, view: Viewer | PreViewer, selectObject
     }, view.Camera);
     raycaster.ray.origin.sub(raycaster.ray.direction.clone().multiplyScalar(1e3));
 
-    let selectList = [];
+    let pickObj: Object3D;
+    let minDis: number;
     for (let obj of selectObject.children)
     {
         if (IsNotRayCaster(obj))
@@ -46,10 +47,16 @@ export function PointPick(ptVcs: Vector3, view: Viewer | PreViewer, selectObject
                 o.raycast(raycaster, intersects)
         })
         if (intersects.length > 0)
-            selectList.push(obj);
+            if (!minDis || minDis > intersects[0].distance)
+            {
+                pickObj = obj;
+                minDis = intersects[0].distance
+            }
     }
-    if (selectList.length > 0)
-        return selectList;
+    if (pickObj)
+        return [pickObj];
+
+    let selectList = [];
 
     let pCenter = new THREE.Vector2(ptVcs.x, ptVcs.y);
     let selectSize = new THREE.Vector2(10, 10);