how to draw 3d building in opengl

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Introduction

We have already practical textures to objects in the  following article.

• 3D Planetary System In OpenGL

Here, we will just draw some scene using QUADS. Start, configure Visual Studio for glut. Read the following article to configure Visual Studio for glut and to get started with OpenGL.

• Getting Started with OpenGL In Visual C++

For applying textures, nosotros need textures image (256*256) 24 bit bitmap files.

Hither's the scene graph image that I have drawn.

Coding

I accept created the post-obit files in the project.

• 3D_GameScene_OpenGL.cpp
• DisplayScene.h
• DisplayScene.cpp
• LoadImageFile.h
• LoadImageFile.cpp
• DrawScene.h
• DrawScene.cpp

3D_GameScene_OpenGL.cpp

This is the main source file where I have divers a main() function.

DisplayScene.cpp

In this file, I have used a switch case statement to draw scenes past providing different texture image files equally arguments to it. I accept declared form and data in DisplayScene.h header file.

LoadImageFile.cpp

This file contains a function that applies the texture to the drawn objects.

DrawScene.cpp

In this file, I have drawn a scene or defined the function which are declared in DrawScene.h header file.

Run across the code defined in the above files.

DisplayScene.h

1. #ifndef _DISPLAYSCENE_H
2. #ascertain _DISPLAYSCENE_H
5. enum  MyTextures
6. {
7.     DEFAULT = 0x01,
8.     Animation=0x02,
9.     BUILDINGS=0x03,
10.     HORROR=0x04,
11.     GREENY=0x05,
12.     Woods=0x06,
13.     ROCKS=0x07,
14.     Circuit=0x08
15. };
19. form  DisplayGameScene
20. {
21. public :
26. static void  DisplayTexturedGameScene( int , int , BOOL );
27. };

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