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代码如下：
#include <d3dx8.h>
LPDIRECT3D8 g_pD3D = NULL;
LPDIRECT3DDEVICE8 g_pD3DDevice = NULL;
LPDIRECT3DVERTEXBUFFER8 g_pVertexBuffer = NULL; // Buffer to hold vertices
LPDIRECT3DTEXTURE8 m_pTexture;
struct CUSTOMVERTEX
{
FLOAT x, y, z;
DWORD colour;
FLOAT tu, tv;
};
//#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE)
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)
#define SafeRelease(pObject) if(pObject != NULL) {pObject->Release(); pObject=NULL;}
//#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)
HRESULT InitialiseD3D(HWND hWnd)
{
//First of all, create the main D3D object. If it is created successfully we
//should get a pointer to an IDirect3D8 interface.
g_pD3D = Direct3DCreate8(D3D_SDK_VERSION);
if(g_pD3D == NULL)
{
return E_FAIL;
}
//Get the current display mode
D3DDISPLAYMODE d3ddm;
if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm)))
{
return E_FAIL;
}
//Create a structure to hold the settings for our device
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
//Fill the structure.
//We want our program to be windowed, and set the back buffer to a format
//that matches our current display mode
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_COPY_VSYNC;
d3dpp.BackBufferFormat = d3ddm.Format;
//Create a Direct3D device.
if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp,
&g_pD3DDevice)))
{
return E_FAIL;
}
//Turn on back face culling.
//This is because we want to hide the back of our polygons
g_pD3DDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
//Turn off lighting because we are specifying that our vertices have colour
g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
return S_OK;
}
HRESULT InitialiseVertexBuffer()
{
VOID* pVertices;
//Store each point of the cube together with it's colour
//Make sure that the points of a polygon are specified in a clockwise direction,
//this is because anti-clockwise faces will be culled
//We will use a three triangle strips to render these polygons
//(Top, Sides, Bottom).
CUSTOMVERTEX cvVertices[] =
{
//Top Face
{-5.0f, 5.0f, -5.0f, D3DCOLOR_XRGB(0, 0, 255),0.0f, 1.0f,}, //Vertex 0 - Blue
{-5.0f, 5.0f, 5.0f, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 0.0f,}, //Vertex 1 - Red
{5.0f, 5.0f, -5.0f, D3DCOLOR_XRGB(255, 0, 0),1.0f, 1.0f,}, //Vertex 2 - Red
{5.0f, 5.0f, 5.0f, D3DCOLOR_XRGB(0, 255, 0),1.0f, 0.0f,}, //Vertex 3 - Green
//Face 1
{-5.0f, -5.0f, -5.0f, D3DCOLOR_XRGB(255, 0, 0),0.0f, 1.0f,}, //Vertex 4 - Red
{-5.0f, 5.0f, -5.0f, D3DCOLOR_XRGB(0, 0, 255),0.0f, 0.0f,}, //Vertex 5 - Blue
{5.0f, -5.0f, -5.0f, D3DCOLOR_XRGB(0, 255, 0), 1.0f, 1.0f,}, //Vertex 6 - Green
{5.0f, 5.0f, -5.0f, D3DCOLOR_XRGB(255, 0, 0),1.0f, 0.0f,}, //Vertex 7 - Red
//Face 2
{5.0f, -5.0f, 5.0f, D3DCOLOR_XRGB(0, 0, 255),0.0f, 1.0f,}, //Vertex 8 - Blue
{5.0f, 5.0f, 5.0f, D3DCOLOR_XRGB(0, 255, 0),0.0f, 0.0f,}, //Vertex 9 - Green
//Face 3
{-5.0f, -5.0f, 5.0f, D3DCOLOR_XRGB(0, 255, 0),1.0f, 1.0f,}, //Vertex 10 - Green
{-5.0f, 5.0f, 5.0f, D3DCOLOR_XRGB(255, 0, 0),1.0f, 0.0f,}, //Vertex 11 - Red
//Face 4
{-5.0f, -5.0f, -5.0f, D3DCOLOR_XRGB(255, 0, 0),0.0f, 1.0f,}, //Vertex 12 - Red
{-5.0f, 5.0f, -5.0f, D3DCOLOR_XRGB(0, 0, 255), 0.0f, 0.0f,}, //Vertex 13 - Blue
//Bottom Face
{5.0f, -5.0f, -5.0f, D3DCOLOR_XRGB(0, 255, 0),0.0f, 1.0f,}, //Vertex 14 - Green
{5.0f, -5.0f, 5.0f, D3DCOLOR_XRGB(0, 0, 255),0.0f, 0.0f,}, //Vertex 15 - Blue
{-5.0f, -5.0f, -5.0f, D3DCOLOR_XRGB(255, 0, 0), 1.0f, 1.0f,}, //Vertex 16 - Red
{-5.0f, -5.0f, 5.0f, D3DCOLOR_XRGB(0, 255, 0),1.0f, 0.0f,}, //Vertex 17 - Green
};
//Create the vertex buffer from our device.
if(FAILED(g_pD3DDevice->CreateVertexBuffer(18 * sizeof(CUSTOMVERTEX),
0, D3DFVF_CUSTOMVERTEX,
D3DPOOL_DEFAULT, &g_pVertexBuffer)))
{
return E_FAIL;
}
//Get a pointer to the vertex buffer vertices and lock the vertex buffer
if(FAILED(g_pVertexBuffer->Lock(0, sizeof(cvVertices), (BYTE**)&pVertices, 0)))
{
return E_FAIL;
}
//Copy our stored vertices values into the vertex buffer
memcpy(pVertices, cvVertices, sizeof(cvVertices));
//Unlock the vertex buffer
g_pVertexBuffer->Unlock();
return S_OK;
}
void SetupRotation()
{
//Here we will rotate our world around the x, y and z axis.
D3DXMATRIX matWorld, matWorldX, matWorldY, matWorldZ;
//Create the transformation matrices
D3DXMatrixRotationX(&matWorldX, timeGetTime()/400.0f);
D3DXMatrixRotationY(&matWorldY, timeGetTime()/400.0f);
D3DXMatrixRotationZ(&matWorldZ, timeGetTime()/400.0f);
//Combine the transformations by multiplying them together
D3DXMatrixMultiply(&matWorld, &matWorldX, &matWorldY);
D3DXMatrixMultiply(&matWorld, &matWorld, &matWorldZ);
//Apply the tansformation
g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld);
}
void SetupCamera()
{
//Here we will setup the camera.
//The camera has three settings: "Camera Position", "Look at Position" and
//"Up Direction"
//We have set the following:
//Camera Position: (0, 0, -30)
//Look at Position: (0, 0, 0)
//Up direction: Y-Axis.
D3DXMATRIX matView;
D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3(0.0f, 0.0f,-30.0f), //Camera Position
&D3DXVECTOR3(0.0f, 0.0f, 0.0f), //Look At Position
&D3DXVECTOR3(0.0f, 1.0f, 0.0f)); //Up Direction
g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView);
}
void SetupPerspective()
{
//Here we specify the field of view, aspect ration and near and
//far clipping planes.
D3DXMATRIX matProj;
static float i= 2.0f;
static int flag = 0;
if (flag == 0)
{
i += 0.1f;
}
else if (flag ==1)
{
i -= 0.1f;
}
D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/i,1.0f, 1.0f, 500.0f);
if (i > 5.0f)
{
//i=2.0f;
flag =1;
}
else if (i<2.0f)
{
flag =0;
}
g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj);
}
void Render()
{
if(g_pD3DDevice == NULL)
{
return;
}
//Clear the backbuffer to black
g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
//Begin the scene
g_pD3DDevice->BeginScene();
//Setup the rotation, camera, and perspective matrices
SetupRotation();
SetupCamera();
SetupPerspective();
////////////////////
D3DXCreateTextureFromFile(g_pD3DDevice, "12.bmp",&m_pTexture);
if(m_pTexture != NULL)
{
//A texture has been set. We don't want to blend our texture with
//the colours of our vertices, so use D3DTOP_SELECTARG1
g_pD3DDevice->SetTexture(0, m_pTexture);
g_pD3DDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
}
else
{
//No texture has been set. So we will disable texture rendering.
g_pD3DDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_DISABLE);
}
//Rendering our objects
g_pD3DDevice->SetStreamSource(0, g_pVertexBuffer, sizeof(CUSTOMVERTEX));
g_pD3DDevice->SetVertexShader(D3DFVF_CUSTOMVERTEX);
g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2); //Top
g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 4, 8); //Sides
g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 14, 2); //Bottom
//End the scene
g_pD3DDevice->EndScene();
//Filp the back and front buffers so that whatever has been rendered on the
//back buffer will now be visible on screen (front buffer).
g_pD3DDevice-> resent(NULL, NULL, NULL, NULL);
}
void CleanUp()
{
SafeRelease(m_pTexture);
SafeRelease(g_pVertexBuffer);
SafeRelease(g_pD3DDevice);
SafeRelease(g_pD3D);
}
void GameLoop()
{
//Enter the game loop
MSG msg;
BOOL fMessage;
PeekMessage(&msg, NULL, 0U, 0U, PM_NOREMOVE);
while(msg.message != WM_QUIT)
{
fMessage = PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE);
if(fMessage)
{
//Process message
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
{
//No message to process, so render the current scene
Render();
}
}
}
//The windows message handler
LRESULT WINAPI WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_DESTROY:
PostQuitMessage(0);
return 0;
break;
case WM_KEYUP:
switch (wParam)
{
case VK_ESCAPE:
//User has pressed the escape key, so quit
DestroyWindow(hWnd);
return 0;
break;
}
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
//Application entry point
INT WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR, INT)
{
//Register the window class
WNDCLASSEX wc = {sizeof(WNDCLASSEX), CS_CLASSDC, WinProc, 0L, 0L,
GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
"DX Project 3", NULL};
RegisterClassEx(&wc);
//Create the application's window
HWND hWnd = CreateWindow("DX Project 3", "www.andypike.com: Tutorial 3",
WS_OVERLAPPEDWINDOW, 50, 50, 500, 500,
GetDesktopWindow(), NULL, wc.hInstance, NULL);
//Initialize Direct3D
if(SUCCEEDED(InitialiseD3D(hWnd)))
{
//Show our window
ShowWindow(hWnd, SW_SHOWDEFAULT);
UpdateWindow(hWnd);
//Initialize Vertex Buffer
if(SUCCEEDED(InitialiseVertexBuffer()))
{
//Start game running: Enter the game loop
GameLoop();
}
}
CleanUp();
UnregisterClass("DX Project 3", wc.hInstance);
return 0;
}
错误提示：
--------------------Configuration: d3d8 - Win32 Debug--------------------
Linking...
main.obj : error LNK2001: unresolved external symbol _D3DXCreateTextureFromFileA@12
Debug/d3d8.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
d3d8.exe - 2 error(s), 0 warning(s)
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发表于 2005-2-9 05:36:00
楼主
