最简单的迷宫.ppt

《最简单的迷宫.ppt》由会员分享，可在线阅读，更多相关《最简单的迷宫.ppt（32页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、最简单的迷宫程序的效果Corridor.xRoom.x步骤搭建基本框架创建Win32项目删除不必要的代码，只保留_tWinMain()包含框架文件创建自己的应用程序类添加cApp类，并修改WinMain中的代码。按照设计，添加网格对象和三维对象添加其他成员变量完成Init实现初始化的操作完成Frame实现对每一帧的操作完成Shutdown实现退出时的清理工作1.1 创建Win32项目添加对应的库文件d3d9.lib d3dx9.lib d3dxof.lib dxguid.lib dinput8.lib winmm.lib1.2 删除不必要的代码1.3 包含框架文件(1)1.3 包含框架文件(2

2、)1.3 包含框架文件(3)有什么作用？有什么作用？1.3 包含框架文件(4)2.1 创建自己的应用程序类(1)2.1 修改WinMain函数(2)添加网格和三维对象cMesh表示网格对象cObject表示三维对象cMesh m_RoomMeshes2;/两个网格cObject m_RoomObjects8;/八个对象添加其他成员变量cGraphics m_Graphics;/Graphics objectcCamera m_Camera;/CameracInputm_Input;/Input objectcInputDevice m_Keyboard;/Keyboard device obj

3、ectcInputDevice m_Mouse;/Moues device objectfloat m_XPos,m_ZPos;/Viewpoint position完成构造函数cApp:cApp()cApp:cApp(void)m_Width =640;m_Height=480;m_Style =WS_BORDER|WS_CAPTION|WS_MINIMIZEBOX|WS_SYSMENU;strcpy(m_Class,MeshLvlClass);strcpy(m_Caption,MeshLvl Demo by CCNIIT);覆盖cApplication中的关键函数bool Init()bo

4、ol Frame()bool Shutdown()Init()初始化Frame()帧计算Shutdown()清理在Init中进行初始化的操作/Initialize the graphics device and set display modem_Graphics.Init();m_Graphics.SetMode(GethWnd(),TRUE,TRUE);m_Graphics.SetPerspective(D3DX_PI/4,1.3333f,1.0f,10000.0f);ShowMouse(TRUE);/Initialize input and input devicesm_Input.In

5、it(GethWnd(),GethInst();m_Keyboard.Create(&m_Input,KEYBOARD);m_Mouse.Create(&m_Input,MOUSE,TRUE);加载网格模型/Load the room meshesm_RoomMeshes0.Load(&m_Graphics,.DataCorridor.x,.Data);m_RoomMeshes1.Load(&m_Graphics,.DataRoom.x,.Data);创建三维物体/Setup the room objectsm_RoomObjects0.Create(&m_Graphics,&m_RoomMe

6、shes1);/房间m_RoomObjects1.Create(&m_Graphics,&m_RoomMeshes0);/走廊m_RoomObjects2.Create(&m_Graphics,&m_RoomMeshes1);m_RoomObjects3.Create(&m_Graphics,&m_RoomMeshes0);m_RoomObjects4.Create(&m_Graphics,&m_RoomMeshes0);m_RoomObjects5.Create(&m_Graphics,&m_RoomMeshes1);m_RoomObjects6.Create(&m_Graphics,&m_

7、RoomMeshes0);m_RoomObjects7.Create(&m_Graphics,&m_RoomMeshes1);放好位置/Move room objects into positionm_RoomObjects0.Move(-2000.0f,0.0f,2000.0f);m_RoomObjects1.Move(0.0f,0.0f,2000.0f);m_RoomObjects2.Move(2000.0f,0.0f,2000.0f);m_RoomObjects3.Move(-2000.0f,0.0f,0.0f);m_RoomObjects4.Move(2000.0f,0.0f,0.0f

8、);m_RoomObjects5.Move(-2000.0f,0.0f,-2000.0f);m_RoomObjects6.Move(0.0f,0.0f,-2000.0f);m_RoomObjects7.Move(2000.0f,0.0f,-2000.0f);ZX/Move room objects into positionm_RoomObjects0.Move(-2000.0f,0.0f,2000.0f);m_RoomObjects1.Move(0.0f,0.0f,2000.0f);m_RoomObjects2.Move(2000.0f,0.0f,2000.0f);m_RoomObjects

9、3.Move(-2000.0f,0.0f,0.0f);m_RoomObjects4.Move(2000.0f,0.0f,0.0f);m_RoomObjects5.Move(-2000.0f,0.0f,-2000.0f);m_RoomObjects6.Move(0.0f,0.0f,-2000.0f);m_RoomObjects7.Move(2000.0f,0.0f,-2000.0f);ZX进行旋转/Rotate room objects into proper positionm_RoomObjects1.Rotate(0.0f,1.57f,0.0f);m_RoomObjects2.Rotate

10、(0.0f,1.57f,0.0f);m_RoomObjects5.Rotate(0.0f,-1.57f,0.0f);m_RoomObjects6.Rotate(0.0f,-1.57f,0.0f);m_RoomObjects7.Rotate(0.0f,3.14f,0.0f);/Rotate room objects into proper positionm_RoomObjects1.Rotate(0.0f,1.57f,0.0f);m_RoomObjects2.Rotate(0.0f,1.57f,0.0f);m_RoomObjects5.Rotate(0.0f,-1.57f,0.0f);m_Ro

11、omObjects6.Rotate(0.0f,-1.57f,0.0f);m_RoomObjects7.Rotate(0.0f,3.14f,0.0f);ZX设置视点坐标/Position view in a roomm_XPos=-2000.0f;m_ZPos=-2000.0f;return TRUE;Frame函数中对每一帧进行处理获取键盘输入状态根据键盘输入状态计算摄像机的位移获取鼠标输入状态根据鼠标输入状态计算摄像机的旋转设置摄像机，渲染所有的物体Frame函数(1)基础操作static DWORD Timer=timeGetTime();/当前时间unsigned long Elapse

12、d;/这一帧的时间间隔float XMove=0,ZMove=0;/这一帧的位移short i;Elapsed=(timeGetTime()-Timer)*2;/计算时间间隔，2是倍数Timer=timeGetTime();/获取当前时间，为下一帧计算做好准备m_Keyboard.Read();/读取键盘的状态m_Mouse.Read();/读取鼠标的状态/ESC 则直接退出（任何一个地方返回flase，都会直接导致退出）if(m_Keyboard.GetKeyState(KEY_ESC)=TRUE)return FALSE;Frame函数(2)移动摄像机if(m_Keyboard.GetKe

13、yState(KEY_W)=TRUE)/W键XMove=(float)sin(m_Camera.GetYRotation()*Elapsed;ZMove=(float)cos(m_Camera.GetYRotation()*Elapsed;if(m_Keyboard.GetKeyState(KEY_S)=TRUE)/S键XMove=-(float)sin(m_Camera.GetYRotation()*Elapsed;ZMove=-(float)cos(m_Camera.GetYRotation()*Elapsed;if(m_Keyboard.GetKeyState(KEY_A)=TRUE)/

14、A键XMove=(float)sin(m_Camera.GetYRotation()-1.57f)*Elapsed;ZMove=(float)cos(m_Camera.GetYRotation()-1.57f)*Elapsed;if(m_Keyboard.GetKeyState(KEY_D)=TRUE)/D键XMove=(float)sin(m_Camera.GetYRotation()+1.57f)*Elapsed;ZMove=(float)cos(m_Camera.GetYRotation()+1.57f)*Elapsed;m_XPos+=XMove;/更新摄像机的x坐标m_ZPos+=Z

15、Move;/更新摄像机的z坐标/移动摄像机m_Camera.Move(m_XPos+XMove,400.0f,m_ZPos+ZMove);Frame函数(3)旋转摄像机m_Camera.RotateRel(float)m_Mouse.GetYDelta()/200.0f,(float)m_Mouse.GetXDelta()/200.0f,0.0f);Frame函数(4)渲染m_Graphics.SetCamera(&m_Camera);/设置摄像机/Render everythingm_Graphics.Clear(D3DCOLOR_RGBA(0,64,128,255);if(m_Graphi

16、cs.BeginScene()=TRUE)/Render each roomfor(i=0;i8;i+)m_RoomObjectsi.Render();m_Graphics.EndScene();m_Graphics.Display();return TRUE;cApp:Shutdown()退出清理BOOL cApp:Shutdown(void)/Free objects and meshesfor(short i=0;i8;i+)m_RoomObjectsi.Free();m_RoomMeshes0.Free();m_RoomMeshes1.Free();/Shutdown inputm_Mouse.Free();m_Keyboard.Free();m_Input.Shutdown();/Shutdown graphicsm_Graphics.Shutdown();return TRUE;