direct9例子

#include <d3dx9.h> #include "arrow.h" #define SafeRelease(pObject) if(pObject != NULL) {pObject->Release(); pObject=NULL;} LPDIRECT3D9 g_pD3D = NULL; LPDIRECT3DDEVICE9 g_pD3DDevice = NULL; CArrow arrow; 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 = Direct3DCreate9(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_DISCARD; 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; } //--------------------------------------- // 设置对象的 3d设备 arrow.SetD3DDevice(g_pD3DDevice); //Turn on back face culling. //This is because we want to hide the back of our polygons g_pD3DDevice->SetRenderState(D3DRS_CULLMODE , D3DCULL_CCW/*D3DCULL_NONE*/); //Turn off lighting because we are specifying that our vertices have colour g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE); 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, 0.0); D3DXMatrixRotationY(&matWorldY, 0.0); D3DXMatrixRotationZ(&matWorldZ, 0.0); */ D3DXMatrixRotationX(&matWorldX, timeGetTime()/2000.0f); D3DXMatrixRotationY(&matWorldY, timeGetTime()/2000.0f); D3DXMatrixRotationZ(&matWorldZ, timeGetTime()/2000.0f); //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; D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4, 1.0f, 1.0f, 500.0f); 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(); //Rendering our objects arrow.SetVertexBuffer(0.0f,0.0f,10.0f,90.0f); arrow.Render(); //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->Present(NULL, NULL, NULL, NULL); } void CleanUp() { 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 { // 处理动画跳帧 此处就放25帧 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); //Start game running: Enter the game loop GameLoop(); } CleanUp(); UnregisterClass("DX Project 3", wc.hInstance); return 0; }