paopao.rar_球体

////////////////////////////////////////////////////////////////////////////////////////////////// // // File: d3dxcreate.cpp // // Author: Frank D. Luna (C) All Rights Reserved // // System: AMD Athlon 1800+ XP, 512 DDR, Geforce 3, Windows XP, MSVC++ 7.0 // // Desc: Renders several D3DX shapes in wireframe mode and has the camera // fly around the scene. Demonstrates the D3DXCreate* functions, and // demonstrates more complex transformations used to position the objects // in the world and move the camera around the world. // ////////////////////////////////////////////////////////////////////////////////////////////////// #include "d3dUtility.h" // // Globals // IDirect3DDevice9* Device = 0; const int Width = 640; const int Height = 480; // Store 5 objects.` ID3DXMesh* Objects[5] = {0, 0, 0, 0, 0}; ID3DXMesh *box=0; // World matrices for each object. These matrices // specify the locations of the objects in the world. D3DXMATRIX ObjWorldMatrices[5]; LPDIRECT3DVERTEXBUFFER9 point=NULL; // D3DCAPS9 caps; // Framework Functions // struct points { float x,y,z; DWORD color; }; bool Setup() { PlaySound("星空.wav",0,SND_ASYNC|SND_LOOP); // Device->GetDeviceCaps( &caps); // Create the objects. // /*D3DXCreateTeapot( Device, &Objects[0], 0); D3DXCreateBox( Device, 2.0f, // width 2.0f, // height 2.0f, // depth &Objects[1], 0); // cylinder is built aligned on z-axis D3DXCreateCylinder( Device, 1.0f, // radius at negative z end 1.0f, // radius at positive z end 3.0f, // length of cylinder 10, // slices 10, // stacks &Objects[2], 0); D3DXCreateTorus( Device, 1.0f, // inner radius 3.0f, // outer radius 10, // sides 10, // rings &Objects[3], 0);*/ if(FAILED(Device->CreateVertexBuffer(100*sizeof(points),0,D3DFVF_XYZ|D3DFVF_DIFFUSE,D3DPOOL_DEFAULT,&point,NULL))) return false; points *ptr; point->Lock(0,100*sizeof(points), (void**)&ptr,0); for(int i=0;i<100;i++) { ptr[i].x=i+1; ptr[i].y=i+2; ptr[i].z=0.0f; ptr[i].color=D3DCOLOR_XRGB(255,255,255); } point->Unlock(); float ra[5]={2.0f,0.2f,0.4f,0.8f,1.0f}; for(int i=0;i<5;i++) D3DXCreateSphere( Device, ra[i], // radius 10, // slices 10, // stacks &Objects[i], 0); D3DXCreateBox(Device,10.0f,10.0f,0.0f,&box,0); // // Build world matrices - position the objects in world space. // For example, ObjWorldMatrices[1] will position Objects[1] at // (-5, 0, 5). Likewise, ObjWorldMatrices[2] will position // Objects[2] at (5, 0, 5). // D3DMATERIAL9 mtrl; ZeroMemory(&mtrl,sizeof(mtrl)); mtrl.Diffuse.r=0.7f; mtrl.Diffuse.g=0.8f; mtrl.Diffuse.b=0.7f; mtrl.Diffuse.a=0.5f; mtrl.Power=5.0f; mtrl.Specular=D3DXCOLOR(0.9f,0.9f,0.9f,0.5f); Device->SetMaterial(&mtrl); Device->SetRenderState(D3DRS_ALPHABLENDENABLE,TRUE); Device->SetTextureStageState(0,D3DTSS_ALPHAARG1,D3DTA_DIFFUSE); Device->SetTextureStageState(0,D3DTSS_ALPHAOP,D3DTOP_SELECTARG1); Device->SetRenderState(D3DRS_SRCBLEND,D3DBLEND_SRCALPHA); Device->SetRenderState(D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA); D3DLIGHT9 light; ZeroMemory(&light,sizeof(light)); light.Ambient=D3DXCOLOR(0.3f,0.3f,0.3f,1.0f); light.Diffuse=D3DXCOLOR(1.0f,1.0f,1.0f,0.8f); light.Specular=D3DXCOLOR(1.0f,1.0f,1.0f,0.8f); light.Direction=D3DXVECTOR3(0.0f,0.0f,5.0f); light.Type=D3DLIGHT_DIRECTIONAL; Device->SetRenderState(D3DRS_LIGHTING,TRUE); Device->SetLight(0,&light); Device->LightEnable(0,true); D3DLIGHT9 light2; ZeroMemory(&light2,sizeof(light2)); light2.Ambient=D3DXCOLOR(0.3f,0.3f,0.3f,1.0f); light2.Diffuse=D3DXCOLOR(1.0f,1.0f,1.0f,0.8f); light2.Specular=D3DXCOLOR(1.0f,1.0f,1.0f,0.8f); light2.Direction=-D3DXVECTOR3(0.0f,0.0f,5.0f); light2.Type=D3DLIGHT_DIRECTIONAL; Device->SetRenderState(D3DRS_LIGHTING,TRUE); Device->SetLight(1,&light2); Device->LightEnable(1,true); D3DXMatrixTranslation(&ObjWorldMatrices[0], 0.0f, 0.0f, 0.0f); D3DXMatrixTranslation(&ObjWorldMatrices[1], -5.0f, 0.0f, 5.0f); D3DXMatrixTranslation(&ObjWorldMatrices[2], 5.0f, 0.0f, 5.0f); D3DXMatrixTranslation(&ObjWorldMatrices[3], -5.0f, 0.0f, -5.0f); D3DXMatrixTranslation(&ObjWorldMatrices[4], 5.0f, 0.0f, -5.0f); // // Set the 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); // // Switch to wireframe mode. // Device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID); return true; } void Cleanup() { for(int i = 0; i < 5; i++) d3d::Release<ID3DXMesh*>(Objects[i]); } bool Display(float timeDelta) { srand(time(0)); if( Device ) { // Animate the camera: // The camera will circle around the center of the scene. We use the // sin and cos functions to generate points on the circle, then scale them // by 10 to further the radius. In addition the camera will move up and down // as it circles about the scene. //static float angle = (3.0f * D3DX_PI) / 2.0f; static float angle=0.0f; static float cameraHeight = -20.0f; static float cameraHeightDirection = 5.0f; D3DXVECTOR3 position( cosf(angle) * 10.0f, cameraHeight, sinf(angle) * 10.0f ); // the camera is targetted at the origin of the world D3DXVECTOR3 target(0.0f, 0.0f, 0.0f); // the worlds up vector D3DXVECTOR3 up(0.0f, 1.0f, 0.0f); D3DXMATRIX V; D3DXMatrixLookAtLH(&V, &position, &target, &up); Device->SetTransform(D3DTS_VIEW, &V); // compute the position for the next frame angle += timeDelta; if( angle >= 6.28f ) angle = 0.0f; // compute the height of the camera for the next frame cameraHeight += cameraHeightDirection * timeDelta; if( cameraHeight >= 10.0f ) cameraHeightDirection = -5.0f; if( cameraHeight <= -20.0f ) cameraHeightDirection = 5.0f; //MODIFY VERTEX static float angles=0.0f; points* ptr=NULL; point->Lock(0,100*sizeof(points), (void**)&ptr,0); for(int i=0;i<100;i++) { ptr[i].x=cosf(angle) * 10.0f; ptr[i].y=cameraHeight; ptr[i].z= sinf(angle) * 10.0f+5.0f; ptr[i].color=D3DCOLOR_XRGB(255,0,0); } angles+=0.1f; if(angles>=6.28f) angles=0.0f; point->Unlock(); // Draw the Scene: Device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1.0f, 0); Device->BeginScene(); D3DXMATRIX boxWorld; D3DXMatrixIdentity(&boxWorld); Device->SetTransform(D3DTS_WORLD,&boxWorld); Device->SetStreamSource(0,point,0,sizeof(points)); Device->SetFVF(D3DFVF_XYZ|D3DFVF_DIFFUSE); Device->DrawPrimitive(D3DPT_POINTLIST,0,100); box->DrawSubset(0); static float tray=-5.0f; for(int i=0;i<5;i++) { // D3DXMatrixTranslation(&ObjWorldMatrices[i],0.0f,tray,0.0f); // Set the world matrix that positions the object. Device->SetTransform(D3DTS_WORLD, &ObjWorldMatrices[i]); // Draw the object using the previously set world matrix. Objects[i]->DrawSubset(0); } tray+=0.01f; if(tray>=5.0f) tray=-5.0f; 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 == VK_ESCAPE ) ::DestroyWindow(hwnd); break; } return ::DefWindowProc(hwnd, msg, wParam, lParam); } // // WinMain // int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE prevInstance, PSTR cmdLine, int showCmd) { if(!d3d::InitD3D(hinstance, Width, Height, false, D3DDEVTYPE_HAL,