From 60115b1ce160f78eada6d874330ce678bee05971 Mon Sep 17 00:00:00 2001
From: tangziwen <tzwtangziwen@163.com>
Date: Tue, 16 Jun 2015 17:46:21 +0800
Subject: [PATCH] update

---
 cocos/3d/CCTerrain.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/cocos/3d/CCTerrain.cpp b/cocos/3d/CCTerrain.cpp
index de4845c977..2d1e9a9393 100644
--- a/cocos/3d/CCTerrain.cpp
+++ b/cocos/3d/CCTerrain.cpp
@@ -159,9 +159,9 @@ void Terrain::onDraw(const Mat4 &transform, uint32_t flags)
 
     if(_isCameraViewChanged )
     {
-        auto camPos = camera->getPosition3D();
+        auto m = camera->getWorldToNodeTransform();
         //set lod
-        setChunksLOD(camPos);
+        setChunksLOD(Vec3(m.m[12], m.m[13], m.m[14]));
     }
 
     if(_isCameraViewChanged )
@@ -263,8 +263,7 @@ void Terrain::setChunksLOD(Vec3 cameraPos)
         {
             AABB aabb = _chunkesArray[m][n]->_parent->_worldSpaceAABB;
             auto center = aabb.getCenter();
-            center.y = 0;
-            float dist = Vec3(center.x,0,center.z).distance(Vec3(cameraPos.x,0,cameraPos.z));
+            float dist = Vec2(center.x, center.z).distance(Vec2(cameraPos.x, cameraPos.z));
             _chunkesArray[m][n]->_currentLod = 3;
             for(int i =0;i<3;i++)
             {
@@ -1226,7 +1225,7 @@ void Terrain::Chunk::calculateAABB()
     std::vector<Vec3>pos;
     for(int i =0;i<_originalVertices.size();i++)
     {
-        pos.push_back(originalVertices[i]._position);
+        pos.push_back(_originalVertices[i]._position);
     }
     _aabb.updateMinMax(&pos[0],pos.size());
 }