1、修改效果切换名称为demo0

2、1秒钟后无检测点就不画线，添加了平台判断
3、添加了背面剔除判断

samples/api/texture_loading/texture_loading.h

@@ -49,7 +49,7 @@ public:
 		uint32_t       mip_levels;
 	};
 
-	Texture texture = { 0 };
+	Texture tex_demo0 = { 0 };
 	Texture tex_demo1 = { 0 };
 	Texture tex_demo2 = { 0 };
 	Texture tex_demo3 = { 0 };
@@ -206,6 +206,7 @@ private:
 	std::vector<TextureLoadingVertexStructure> obj_vertices;
 	std::vector<uint32_t> obj_indices;
 	std::map<int, int> obj_vertices_map;
+	std::map<int, int> vertices_map_3dmax;
 	std::thread workerThread;
 	bool running = false;