d3d，cube贴图，抗锯齿

////////////////////////////////////////////////////////////////////////////////////////////////// // // File: mtrlAlpha.cpp // // Author: Frank Luna (C) All Rights Reserved // // System: AMD Athlon 1800+ XP, 512 DDR, Geforce 3, Windows XP, MSVC++ 7.0 // // Desc: Renders a semi transparent cube using alpha blending alpha blending. // In this sample, the alpha is taken from the textures alpha channel. // ////////////////////////////////////////////////////////////////////////////////////////////////// #include "d3dUtility.h" #include "vertex.h" #include "cube.h" #include "camera.h" // // Globals // IDirect3DDevice9* Device = 0; const int Width = 800; const int Height = 600; IDirect3DTexture9* CrateTex = 0; Cube *Box[3][3][3]; D3DXMATRIX CubeWorldMatrix; IDirect3DVertexBuffer9* BackDropVB = 0; IDirect3DTexture9* BackDropTex = 0; Camera TheCamera(Camera::LANDOBJECT); IDirect3DTexture9* Textures[7] = {0, 0, 0, 0, 0, 0, 0};// texture for each subset // // Framework Functions // bool Setup() { Device->CreateVertexBuffer( 6 * sizeof(Vertex), D3DUSAGE_WRITEONLY, FVF_VERTEX, D3DPOOL_MANAGED, &BackDropVB, 0); Vertex* v; BackDropVB->Lock(0, 0, (void**)&v, 0); // quad built from two triangles, note texture coordinates: v[0] = Vertex(-10.0f, -17.5f, -5.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f); v[1] = Vertex(-10.0f, -2.5f, 5.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f); v[2] = Vertex( 10.0f, -2.5f, 5.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f); v[3] = Vertex(-10.0f, -17.5f, -5.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f); v[4] = Vertex( 10.0f, -2.5f, 5.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f); v[5] = Vertex( 10.0f, -17.5f, -5.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f); BackDropVB->Unlock(); D3DXCreateTextureFromFile( Device, "bg.jpg", &BackDropTex); D3DXCreateTextureFromFile( Device, "a.jpg", &Textures[0]); D3DXCreateTextureFromFile( Device, "q.jpg", &Textures[1]); D3DXCreateTextureFromFile( Device, "z.jpg", &Textures[2]); D3DXCreateTextureFromFile( Device, "w.jpg", &Textures[3]); D3DXCreateTextureFromFile( Device, "s.jpg", &Textures[4]); //D3DXCreateTextureFromFile( // Device, // "x.jpg", // &Textures[5]); D3DXCreateTextureFromFileEx(Device, "x.jpg", D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, 0, D3DFMT_R8G8B8, D3DPOOL_MANAGED, D3DX_FILTER_NONE, D3DX_FILTER_POINT, D3DCOLOR_RGBA(0,0,0,255), NULL, NULL, &Textures[5]); D3DXCreateTextureFromFile( Device, "black.jpg", &Textures[6]); Device->SetRenderState( D3DRS_MULTISAMPLEANTIALIAS, true); Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC); Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC); Device->SetSamplerState(0, D3DSAMP_MAXANISOTROPY, 4); Device->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR); //// use alpha channel in texture for alpha //Device->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); //Device->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1); // set blending factors so that alpha component determines transparency Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA); Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA); int tex[6]={0,1,2,3,4,5}; D3DXVECTOR3 *position[3][3][3]; for(int x=0;x<3;x++) { for(int y=0;y<3;y++) { for(int z=0;z<3;z++) position[x][y][z] = 0; } } float kk[3]={-2.0,0.0,2.0}; for(int x=0;x<3;x++) { for(int y=0;y<3;y++) { for(int z=0;z<3;z++) position[x][y][z] = new D3DXVECTOR3(kk[x],kk[y],kk[z]); } } for(int x=0;x<3;x++) { for(int y=0;y<3;y++) { for(int z=0;z<3;z++) Box[x][y][z] = new Cube(Device,*position[x][y][z],tex); } } // use alpha channel in texture for alpha //Device->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); //Device->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1); // set blending factors so that alpha component determines transparency //Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA); //Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA); D3DXVECTOR3 dir(1.0f, -0.0f, 1.0f); D3DXCOLOR c = d3d::WHITE; D3DLIGHT9 dirLight = d3d::InitDirectionalLight(&dir, &c); // // Set and Enable the light. // Device->SetLight(0, &dirLight); Device->LightEnable(0, true); // // disable lighting // Device->SetRenderState(D3DRS_LIGHTING, true); // // set camera // D3DXVECTOR3 pos(0.0f, 9.0f, -9.0f); D3DXVECTOR3 target(0.0f, 0.0f, 0.0f); D3DXVECTOR3 up(0.0f, 1.0f, 0.0f); D3DXMATRIX V; D3DXMatrixLookAtLH( &V, &pos, &target, &up); Device->SetTransform(D3DTS_VIEW, &V); // // Set projection matrix // D3DXMATRIX proj; D3DXMatrixPerspectiveFovLH( &proj, D3DX_PI * 0.5f, // 90 - degree (float)Width / (float)Height, 1.0f, 1000.0f); Device->SetTransform(D3DTS_PROJECTION, &proj); return true; } void Cleanup() { d3d::Release<IDirect3DTexture9*>(CrateTex); d3d::Delete<Cube*>(Box[3][3][3]); //d3d::Release<IDirect3DVertexBuffer9*>(BackDropVB); //d3d::Release<IDirect3DTexture9*>(BackDropTex); } bool Display(float timeDelta) { if( Device ) { // // Update: Update the camera. // if( ::GetAsyncKeyState('W') & 0x8000f ) TheCamera.walk(4.0f * timeDelta); if( ::GetAsyncKeyState('S') & 0x8000f ) TheCamera.walk(-4.0f * timeDelta); if( ::GetAsyncKeyState('A') & 0x8000f ) TheCamera.strafe(-4.0f * timeDelta); if( ::GetAsyncKeyState('D') & 0x8000f ) TheCamera.strafe(4.0f * timeDelta); if( ::GetAsyncKeyState('R') & 0x8000f ) TheCamera.fly(4.0f * timeDelta); if( ::GetAsyncKeyState('F') & 0x8000f ) TheCamera.fly(-4.0f * timeDelta); if( ::GetAsyncKeyState(VK_UP) & 0x8000f ) TheCamera.pitch(1.0f * timeDelta); if( ::GetAsyncKeyState(VK_DOWN) & 0x8000f ) TheCamera.pitch(-1.0f * timeDelta); if( ::GetAsyncKeyState(VK_LEFT) & 0x8000f ) TheCamera.yaw(-1.0f * timeDelta); if( ::GetAsyncKeyState(VK_RIGHT) & 0x8000f ) TheCamera.yaw(1.0f * timeDelta); if( ::GetAsyncKeyState('N') & 0x8000f ) TheCamera.roll(1.0f * timeDelta); if( ::GetAsyncKeyState('M') & 0x8000f ) TheCamera.roll(-1.0f * timeDelta); // Update the view matrix representing the cameras // new position/orientation. D3DXMATRIX V; TheCamera.getViewMatrix(&V); Device->SetTransform(D3DTS_VIEW, &V); // D3DMATERIAL9 Mtrl=d3d::WHITE_MTRL; // // Update: Rotate the cube. // D3DXMATRIX xRot; D3DXMatrixRotationX(&xRot,0); D3DXMATRIX yRot; D3DXMatrixRotationY(&yRot,D3DX_PI * 0.25f); //y += timeDelta; //D3DXMATRIX t; //D3DXMatrixTranslation(&t,0,-3,0); CubeWorldMatrix = xRot * yRot; // // Render // Device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xff0000ff, 1.0f, 0); Device->BeginScene(); // draw back drop D3DXMATRIX I; D3DXMatrixIdentity(&I); Device->SetStreamSource(0, BackDropVB, 0, sizeof(Vertex)); Device->SetFVF(FVF_VERTEX); Device->SetTexture(0, BackDropTex); Device->SetTransform(D3DTS_WORLD, &I); Device->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 2); Device->SetRenderState(D3DRS_ALPHABLENDENABLE, true); for(int x=0;x<3;x++) { for(int y=0;y<3;y++) { for(int z=0;z<3;z++) { if(Box[x][y][z]) Box[x][y][z]->draw(&CubeWorldMatrix, &Mtrl); } } } Device->EndScene(); Device->Present(0, 0, 0, 0); } return true; } // // WndProc // LRESULT CALLBACK d3d::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { switch( msg ) { case WM_DESTROY: ::PostQuitMessage(0); break; case WM_KEYDOWN: if( wParam =