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Hilfe zum Buch "3D-Spieleprogrammierung" von David Scherfgen »
01.03.2007, 18:51
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// Dreieck.cpp // author : Simon Klausner // version : 0.1 // purpose : - Get Direct3D configs // - Create Window // - Create Triangles with textures and move #define D3D_DEBUG_INFO #include <windows.h> #include <TriBase.h> #include <I:\\Spiele Programmierung\\Beispiele\\Allgemeines\\InitWindow.h> #include <I:\\Spiele Programmierung\\Beispiele\\Allgemeines\\Direct3DEnum.h> #include <I:\\Spiele Programmierung\\Beispiele\\Allgemeines\\InitDirect3D.h> #include <I:\\Spiele Programmierung\\Beispiele\\Allgemeines\\Allgemeines.h> #include <d3dx9.h> // Globals struct SVertex // Vertex { tbVector3 vPosition; DWORD dwColor; tbVector2 vTexture; static const DWORD dwFVF; }; const DWORD SVertex::dwFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1; SDirect3DParameters g_Direct3DParameters; // Direct3DParameters PDIRECT3DTEXTURE9 g_pTexture; // Texturepointer float g_fTime = 0.0f; // Timecounter const int g_iNumTriangles = 1024; struct STriangle // Triangle { tbVector3 vPosition; tbVector3 vVelocity; tbVector3 vRotation; tbVector3 vRotVelocity; float fSize; SVertex aVertex[3]; }; STriangle g_aTriangle[g_iNumTriangles]; // function : Render tbResult Render(float fNumSecsPassed) { // Variables HRESULT hResult; tbMatrix mScaling; tbMatrix mRotationX; tbMatrix mRotationY; tbMatrix mRotationZ; tbMatrix mTranslation; tbMatrix mWorld; // Clear Picturepuffer and Z-Buffer if(FAILED(hResult = g_pD3DDevice->Clear(0,NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(25, 25, 25), 1.0f, 0))) { // Error TB_ERROR_DIRECTX("g_pD3DDEVICE->Clear", hResult, TB_STOP); } // Begin Scene g_pD3DDevice->BeginScene(); // set texture filter if((int)(g_fTime/3.0f)%3 == 0) { // bilinear filter with linear MIP-mapping g_pD3DDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR); SetWindowText(g_hWindow, "Möp (MIN:lin, MAG:lin, MIP:lin)"); } else if((int)(g_fTime/3.0f)%3 == 1) { // no filters and no mip-mapping g_pD3DDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_NONE); SetWindowText(g_hWindow, "Möp (MIN:point, MAG:point, MIP:none)"); } else { // max anisotropic filter without mip-mapping g_pD3DDevice->SetSamplerState(0, D3DSAMP_MAXANISOTROPY, g_Direct3DParameters.DeviceCaps.MaxAnisotropy); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR); g_pD3DDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_NONE); SetWindowText(g_hWindow, "Möp (MIN:aniso, MAG:lin, MIP:none)"); } // Render Triangles for(int i=0; i<g_iNumTriangles; i++) { // Create Scalingmatrix mScaling = tbMatrixScaling(tbVector3(g_aTriangle[i].fSize)); // Create Translation- Rotationmatrix for Triangle mRotationX = tbMatrixRotationX(g_aTriangle[i].vRotation.x); mRotationY = tbMatrixRotationY(g_aTriangle[i].vRotation.y); mRotationZ = tbMatrixRotationZ(g_aTriangle[i].vRotation.z); mTranslation = tbMatrixTranslation(g_aTriangle[i].vPosition); // Multi Scale, Rotation and Translation for Worldmatrix mWorld = mScaling * mRotationX * mRotationY * mRotationZ * mTranslation; g_pD3DDevice->SetTransform(D3DTS_WORLD, (D3DMATRIX*)(&mWorld)); // Draw Triangle if(FAILED(hResult = g_pD3DDevice->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 1, g_aTriangle[i].aVertex, sizeof(SVertex)))) { // Error TB_ERROR_DIRECTX("g_pD3DDEVICE->DrawPrimitiveUP", hResult, TB_STOP); } // End Scene g_pD3DDevice->EndScene(); // Present Scene g_pD3DDevice->Present(NULL,NULL,NULL,NULL); } return TB_OK; } // end function : Render // function : Move tbResult Move(float fNumSecsPassed) { // Increase Timecounter g_fTime += fNumSecsPassed; // if button pressed = space stop movement if(GetAsyncKeyState(VK_SPACE)) fNumSecsPassed = 0.0f; // move triangles float fDistance; for(int i=0; i<g_iNumTriangles; i++) { g_aTriangle[i].vPosition += g_aTriangle[i].vVelocity*fNumSecsPassed; g_aTriangle[i].vRotation += g_aTriangle[i].vRotVelocity*fNumSecsPassed; // check distance fDistance = tbVector3Length(g_aTriangle[i].vPosition); // if distance > 100, move triangle back if(fDistance > 100.0f) g_aTriangle[i].vVelocity *= -1.0f; } return TB_OK; } // end function : Move // function : InitScene tbResult InitScene() { // Variables HRESULT hResult; // Set Vertex Format if(FAILED(hResult = g_pD3DDevice->SetFVF(SVertex::dwFVF))) { // Error TB_ERROR_DIRECTX("g_pD3DDevice->SetFVF", hResult, TB_ERROR); } // Turn off Lightning and Culling g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE); g_pD3DDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); // Activate Dithering g_pD3DDevice->SetRenderState(D3DRS_DITHERENABLE, TRUE); // Set Projectionmatrix // Picture Proportion float fAspect = (float)(g_Direct3DParameters.VideoMode.Width) / (float)(g_Direct3DParameters.VideoMode.Height); // Create Projectionmatrix tbMatrix mProjection = tbMatrixProjection(TB_DEG_TO_RAD(90.0f), fAspect, 0.1f, 100.0f); // Set Matrix g_pD3DDevice->SetTransform(D3DTS_PROJECTION, (D3DMATRIX*)(&mProjection)); // Initiate Triangle for(int i=0; i< g_iNumTriangles; i++) { // All triangles start in background g_aTriangle[i].vPosition = tbVector3(0.0f, 0.0f, 50.0f); // random velocity float fSpeed = tbFloatRandom(0.1f, 5.0f); g_aTriangle[i].vVelocity = tbVector3Random() * fSpeed; // Rotation default g_aTriangle[i].vRotation = tbVector3(0.0f, 0.0f, 0.0f); // random rotation velocity at all axis g_aTriangle[i].vRotVelocity.x = tbFloatRandom(-1.0f, 1.0f); g_aTriangle[i].vRotVelocity.y = tbFloatRandom(-1.0f, 1.0f); g_aTriangle[i].vRotVelocity.z = tbFloatRandom(-1.0f, 1.0f); // random size g_aTriangle[i].fSize = tbFloatRandom(1.0f, 5.0f); // create vertex for(int j=0; j<3; j++) { // Position g_aTriangle[i].aVertex[j].vPosition = tbVector3Random(); // Color tbColor VertexColor(tbFloatRandom(0.0f, 1.0f), tbFloatRandom(0.0f, 1.0f), tbFloatRandom(0.0f, 1.0f)); g_aTriangle[i].aVertex[j].dwColor = (DWORD)(VertexColor); // Texture coordinate g_aTriangle[i].aVertex[j].vTexture.u = tbFloatRandom(-1.0f, 2.0f); g_aTriangle[i].aVertex[j].vTexture.v = tbFloatRandom(-1.0f, 2.0f); } } // Load Texture if(FAILED(hResult = D3DXCreateTextureFromFileEx(g_pD3DDevice, "Texture.bmp", D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, 0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_FILTER_NONE, D3DX_DEFAULT, 0, NULL, NULL, &g_pTexture))) { // Error TB_ERROR_DIRECTX("D3DXCreateTextureFromFileEx", hResult, TB_ERROR); } // set texture g_pD3DDevice->SetTexture(0, g_pTexture); return TB_OK; } // end function : Init Scene // function : Exit Scene tbResult ExitScene() { // deactivate texture and delete g_pD3DDevice->SetTexture(0, NULL); TB_SAFE_RELEASE(g_pTexture); // Exit D3D and window ExitDirect3D(); ExitWindow(); // Exit Engine tbExit(); return TB_OK; } // end function : Exit Scene // function : windows main int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) { // Initiate TriBase Engine tbInit(); // Get Direct3D Options with Dialog tbResult Result = GetDirect3DParameters(&g_Direct3DParameters); if(Result == TB_ERROR) { // Error MessageBox(NULL, "Fehler beim Abzählen!", "Fehler", MB_OK | MB_ICONEXCLAMATION); tbExit(); return 1; } if(Result == TB_CANCELED) { // Dialog canceled tbExit(); return 0; } // Initiate window with D3D options if(InitWindow(g_Direct3DParameters.VideoMode.Width, g_Direct3DParameters.VideoMode.Height, "Legend of the Druids", LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON1)))) { // Error MessageBox(NULL, "Fehler beim Erstellen des Fensters!", "Fehler", MB_OK | MB_ICONEXCLAMATION); tbExit(); return 1; } // Initiate D3D with options if(InitDirect3D(&g_Direct3DParameters,g_hWindow)) { // Error MessageBox(NULL, "Fehler beim Initialisieren von Direct3D!", "Fehler", MB_OK | MB_ICONEXCLAMATION); ExitWindow(); tbExit(); return 1; } // Initiate Scene InitScene(); // Messageloop tbDoMessageLoop(Render, Move); // Exit Program ExitScene(); return 0; } // end function : windows main |
01.03.2007, 19:38
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// End Scene g_pD3DDevice->EndScene(); // Present Scene g_pD3DDevice->Present(NULL,NULL,NULL,NULL); |
01.03.2007, 19:53
08.05.2024, 15:42
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