From 8b36c4cb64fcc281c3564614b11120b54e20b813 Mon Sep 17 00:00:00 2001
From: yuanjiajia <1139393632@qq.com>
Date: Wed, 4 May 2022 19:43:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9EloadObj.php=E7=B1=BB=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6?=
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---
 src/core/LoardObj.php | 139 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 src/core/LoardObj.php

diff --git a/src/core/LoardObj.php b/src/core/LoardObj.php
new file mode 100644
index 0000000..0d7c754
--- /dev/null
+++ b/src/core/LoardObj.php
@@ -0,0 +1,139 @@
+<?php
+
+namespace Blobt\Luxcore\core;
+
+class Base
+{
+
+    const TYPE_TXT = 'txt';
+    const TYPE_BINARY = 'binary';
+    const OPEN = true;
+    const CLOSE = false;
+
+
+
+
+    /**
+     * @var string $objFile obj文件路径
+     */
+    public $objFile;
+
+    /**
+     * @var string $plyFile ply文件路径
+     */
+    public $plyFile = [];
+
+    /**
+     * @var string $format ply文件储存格式
+     */
+    public $format = self::TYPE_TXT;
+
+    /**
+     * @var bool $flipYZ 是
+     */
+    public $flipYZ;
+
+    /**
+     * @var array $vertexs 顶点坐标数组
+     */
+    public $vertexs = [];
+
+    /**
+     * @var array $textureUV 纹理坐标数组
+     */
+    public $textureUV = [];
+
+    /**
+     * @var array $normals 顶点法线数组
+     */
+    public $normals = [];
+
+    /**
+     * @var array $faces 面片数组
+     */
+    public $mesh = [];
+
+
+
+    
+    /**
+     * @param string $objFile 传入obj文件
+     * @param bool $flipYZ  是否翻转Z轴Y轴
+     */
+    public function __construct(string $objFile,bool $flipYZ = self::OPEN)
+    {
+        $this->file = $objFile;
+        $this->flipYZ = $flipYZ;
+    }
+
+    public function toPly()
+    {
+        return $this->plyFile;
+    }
+
+    /**
+     * 
+     */
+    public function readObj()
+    {
+        $handle = null;
+        $line = true;
+
+        
+        if( !file_exists($this->objFile) )
+        {
+            throw new \Exception($this->objFile." file does not exist");
+        }
+        else
+        {
+            $handle = fopen($this->file,'r');
+        }
+
+        
+        if( !$handle )
+        {
+            throw new \Exception("File ".$this->objFile." open failed");
+        }
+        else
+        {   
+            
+            fseek($handle, 0);
+            while( !feof($handle) ) // 读取所有的 顶点坐标、UV坐标、顶点法线，并存入到相应的数组
+            {
+                $line = fgets( $handle );
+                $line = ltrim( $line );
+                if( $line[0] == '#' ) continue;
+
+                switch( explode(' ', $line)[0] )
+                {
+                    case 'v':
+                        $this->vertexs[] = $line;
+
+                    case 'vn':
+                        $this->normals[] = $line;
+
+                    case 'vt':
+                        $this->textureUV[] = $line;
+                }
+            }
+
+            fseek($handle, 0);
+            while( !feof($handle) ) // 读取 顶点坐标、UV坐标、顶点法线，并存入到相应的数组
+            {
+                $line = fgets( $handle );
+                $line = ltrim( $line );
+                if( $line[0] == '#' ) continue;
+
+                if ( explode(' ', $line)[0] == 'o' )
+            }
+
+        }
+
+
+
+
+
+
+    }
+
+}