Create Hine-lineRemoval
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// TestView.cpp : implementation of the CTestView class
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//
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#include "stdafx.h"
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#include "Test.h"
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#include "TestDoc.h"
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#include "TestView.h"
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#include "math.h" //数学头文件
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#define PI 3.1415926 // 圆周率
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CTestView
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IMPLEMENT_DYNCREATE(CTestView, CView)
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BEGIN_MESSAGE_MAP(CTestView, CView)
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//{{AFX_MSG_MAP(CTestView)
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ON_WM_LBUTTONDOWN()
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ON_WM_RBUTTONDBLCLK()
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ON_WM_TIMER()
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ON_WM_KEYDOWN()
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ON_WM_ERASEBKGND()
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ON_COMMAND(IDM_PLAY, OnPlay)
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ON_UPDATE_COMMAND_UI(IDM_PLAY, OnUpdatePlay)
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//}}AFX_MSG_MAP
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// Standard printing commands
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ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
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ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
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ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CTestView construction/destruction
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CTestView::CTestView()
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{
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// TODO: add construction code here
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bPlay = FALSE;
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R = 800.0;
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d = 1000;
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Phi = 45.0;
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Theta = 45.0;
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Alpha = 0.0;
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Beta = 0.0;
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}
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CTestView::~CTestView()
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{
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}
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BOOL CTestView::PreCreateWindow(CREATESTRUCT &cs)
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{
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// TODO: Modify the Window class or styles here by modifying
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// the CREATESTRUCT cs
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return CView::PreCreateWindow(cs);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CTestView drawing
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void CTestView::OnDraw(CDC *pDC)
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{
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CTestDoc *pDoc = GetDocument();
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ASSERT_VALID(pDoc);
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// TODO: add draw code for native data here
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DoubleBuffer();
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}
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/////////////////////////////////////////////////////////////////////////////
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// CTestView printing
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BOOL CTestView::OnPreparePrinting(CPrintInfo *pInfo)
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{
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// default preparation
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return DoPreparePrinting(pInfo);
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}
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void CTestView::OnBeginPrinting(CDC * /*pDC*/, CPrintInfo * /*pInfo*/)
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{
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// TODO: add extra initialization before printing
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}
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void CTestView::OnEndPrinting(CDC * /*pDC*/, CPrintInfo * /*pInfo*/)
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{
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// TODO: add cleanup after printing
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}
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/////////////////////////////////////////////////////////////////////////////
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// CTestView diagnostics
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#ifdef _DEBUG
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void CTestView::AssertValid() const
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{
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CView::AssertValid();
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}
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void CTestView::Dump(CDumpContext &dc) const
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{
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CView::Dump(dc);
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}
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CTestDoc *CTestView::GetDocument() // non-debug version is inline
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{
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ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTestDoc)));
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return (CTestDoc *)m_pDocument;
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}
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#endif //_DEBUG
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/////////////////////////////////////////////////////////////////////////////
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// CTestView message handlers
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void CTestView::ReadVertex() // 点表
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{
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const double Golden_Section = (sqrt(5.0) - 1.0) / 2.0; // 黄金分割比例
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double a = 160; // 黄金矩形长半边的边长
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double b = a * Golden_Section; // 黄金矩形短半边的边长
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// 顶点的三维坐标(x,y,z)
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V[0].x = 0;
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V[0].y = a;
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V[0].z = b;
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V[1].x = 0;
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V[1].y = a;
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V[1].z = -b;
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V[2].x = a;
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V[2].y = b;
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V[2].z = 0;
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V[3].x = a;
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V[3].y = -b;
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V[3].z = 0;
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V[4].x = 0;
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V[4].y = -a;
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V[4].z = -b;
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V[5].x = 0;
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V[5].y = -a;
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V[5].z = b;
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V[6].x = b;
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V[6].y = 0;
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V[6].z = a;
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V[7].x = -b;
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V[7].y = 0;
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V[7].z = a;
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V[8].x = b;
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V[8].y = 0;
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V[8].z = -a;
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V[9].x = -b;
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V[9].y = 0;
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V[9].z = -a;
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V[10].x = -a;
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V[10].y = b;
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V[10].z = 0;
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V[11].x = -a;
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V[11].y = -b;
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V[11].z = 0;
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}
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void CTestView::ReadFace() // 面表
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{
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// 面的顶点数和面的顶点索引
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F[0].SetNum(3);
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F[0].vI[0] = 0;
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F[0].vI[1] = 6;
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F[0].vI[2] = 2;
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F[1].SetNum(3);
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F[1].vI[0] = 2;
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F[1].vI[1] = 6;
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F[1].vI[2] = 3;
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F[2].SetNum(3);
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F[2].vI[0] = 3;
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F[2].vI[1] = 6;
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F[2].vI[2] = 5;
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F[3].SetNum(3);
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F[3].vI[0] = 5;
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F[3].vI[1] = 6;
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F[3].vI[2] = 7;
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F[4].SetNum(3);
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F[4].vI[0] = 0;
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F[4].vI[1] = 7;
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F[4].vI[2] = 6;
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F[5].SetNum(3);
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F[5].vI[0] = 2;
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F[5].vI[1] = 3;
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F[5].vI[2] = 8;
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F[6].SetNum(3);
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F[6].vI[0] = 1;
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F[6].vI[1] = 2;
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F[6].vI[2] = 8;
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F[7].SetNum(3);
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F[7].vI[0] = 0;
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F[7].vI[1] = 2;
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F[7].vI[2] = 1;
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F[8].SetNum(3);
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F[8].vI[0] = 0;
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F[8].vI[1] = 1;
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F[8].vI[2] = 10;
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F[9].SetNum(3);
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F[9].vI[0] = 1;
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F[9].vI[1] = 9;
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F[9].vI[2] = 10;
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F[10].SetNum(3);
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F[10].vI[0] = 1;
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F[10].vI[1] = 8;
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F[10].vI[2] = 9;
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F[11].SetNum(3);
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F[11].vI[0] = 3;
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F[11].vI[1] = 4;
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F[11].vI[2] = 8;
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F[12].SetNum(3);
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F[12].vI[0] = 3;
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F[12].vI[1] = 5;
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F[12].vI[2] = 4;
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F[13].SetNum(3);
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F[13].vI[0] = 4;
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F[13].vI[1] = 5;
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F[13].vI[2] = 11;
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F[14].SetNum(3);
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F[14].vI[0] = 7;
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F[14].vI[1] = 10;
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F[14].vI[2] = 11;
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F[15].SetNum(3);
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F[15].vI[0] = 0;
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F[15].vI[1] = 10;
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F[15].vI[2] = 7;
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F[16].SetNum(3);
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F[16].vI[0] = 4;
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F[16].vI[1] = 11;
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F[16].vI[2] = 9;
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F[17].SetNum(3);
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F[17].vI[0] = 4;
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F[17].vI[1] = 9;
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F[17].vI[2] = 8;
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F[18].SetNum(3);
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F[18].vI[0] = 5;
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F[18].vI[1] = 7;
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F[18].vI[2] = 11;
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F[19].SetNum(3);
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F[19].vI[0] = 9;
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F[19].vI[1] = 11;
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F[19].vI[2] = 10;
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}
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void CTestView::InitParameter() // 透视变换参数初始化
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{
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k[1] = sin(PI * Theta / 180);
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k[2] = sin(PI * Phi / 180);
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k[3] = cos(PI * Theta / 180);
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k[4] = cos(PI * Phi / 180);
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k[5] = k[2] * k[3];
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k[6] = k[2] * k[1];
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k[7] = k[4] * k[3];
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k[8] = k[4] * k[1];
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ViewPoint.x = R * k[6];
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ViewPoint.y = R * k[4];
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ViewPoint.z = R * k[5];
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}
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void CTestView::PerProject(CP3 P) // 透视变换
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{
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CP3 ViewP;
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ViewP.x = P.x * k[3] - P.z * k[1]; // 观察坐标系三维坐标
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ViewP.y = -P.x * k[8] + P.y * k[2] - P.z * k[7];
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ViewP.z = -P.x * k[6] - P.y * k[4] - P.z * k[5] + R;
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ScreenP.x = d * ViewP.x / ViewP.z; // 屏幕坐标系二维坐标
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ScreenP.y = d * ViewP.y / ViewP.z;
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}
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void CTestView::DoubleBuffer() // 双缓冲
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{
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CDC *pDC = GetDC();
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CRect rect; // 定义客户区
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GetClientRect(&rect); // 获得客户区的大小
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pDC->SetMapMode(MM_ANISOTROPIC); // pDC自定义坐标系
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pDC->SetWindowExt(rect.Width(), rect.Height()); // 设置窗口范围
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pDC->SetViewportExt(rect.Width(), -rect.Height()); // x轴水平向右，y轴垂直向上
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pDC->SetViewportOrg(rect.Width() / 2, rect.Height() / 2); // 屏幕中心为原点
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CDC MemDC; // 内存DC
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CBitmap NewBitmap, *pOldBitmap; // 内存中承载图像的临时位图
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MemDC.CreateCompatibleDC(pDC); // 建立与屏幕pDC兼容的MemDC
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NewBitmap.CreateCompatibleBitmap(pDC, rect.Width(), rect.Height()); // 创建兼容位图
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pOldBitmap = MemDC.SelectObject(&NewBitmap); // 将兼容位图选入MemDC
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MemDC.FillSolidRect(&rect, pDC->GetBkColor()); // 按原来背景填充客户区，否则是黑色
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MemDC.SetMapMode(MM_ANISOTROPIC); // MemDC自定义坐标系
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MemDC.SetWindowExt(rect.Width(), rect.Height());
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MemDC.SetViewportExt(rect.Width(), -rect.Height());
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MemDC.SetViewportOrg(rect.Width() / 2, rect.Height() / 2);
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DrawObject(&MemDC);
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pDC->BitBlt(-rect.Width() / 2, -rect.Height() / 2, rect.Width(), rect.Height(), &MemDC, -rect.Width() / 2, -rect.Height() / 2, SRCCOPY); // 将内存位图拷贝到屏幕
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MemDC.SelectObject(pOldBitmap); // 恢复位图
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NewBitmap.DeleteObject(); // 删除位图
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ReleaseDC(pDC); // 释放DC
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}
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void CTestView::DrawObject(CDC *pDC) // 绘制物体表面
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{
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CP3 p[4];
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double theta, phi; // theta控制小圆旋转，phi控制大圆旋转
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double pi = 3.14159, delta = pi / 20;
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double R = 150; // 大圆半径
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double r = 50; // 小圆半径
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for (theta = 0; theta <= 2 * pi; theta += delta)
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for (phi = 0; phi <= 2 * pi; phi += delta)
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{
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// 计算圆环体上的四个顶点
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p[0].x = (R + r * cos(theta)) * cos(phi);
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p[0].y = (R + r * cos(theta)) * sin(phi);
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p[0].z = r * sin(theta);
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p[1].x = (R + r * cos(theta)) * cos(phi + delta);
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p[1].y = (R + r * cos(theta)) * sin(phi + delta);
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p[1].z = r * sin(theta);
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p[2].x = (R + r * cos(theta + delta)) * cos(phi + delta);
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p[2].y = (R + r * cos(theta + delta)) * sin(phi + delta);
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p[2].z = r * sin(theta + delta);
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p[3].x = (R + r * cos(theta + delta)) * cos(phi);
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p[3].y = (R + r * cos(theta + delta)) * sin(phi);
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p[3].z = r * sin(theta + delta);
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// ... 保持其余代码不变 ...
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tran.SetMat(p, 4);
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tran.RotateX(Alpha);
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tran.RotateY(Beta);
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CVector ViewVector(p[0], ViewPoint);
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ViewVector = ViewVector.Normalize();
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CFace f;
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f.SetFaceNormal(p[0], p[1], p[2]);
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f.fNormal.Normalize();
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if (Dot(ViewVector, f.fNormal) >= 0)
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{
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CP2 t;
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CLine *line = new CLine;
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for (int nPoint = 0; nPoint < 4; nPoint++)
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{
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PerProject(p[nPoint]);
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if (0 == nPoint)
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{
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line->MoveTo(pDC, ScreenP);
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t = ScreenP;
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}
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else
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line->LineTo(pDC, ScreenP);
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}
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line->LineTo(pDC, t);
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delete line;
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}
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}
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}
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void CTestView::OnLButtonDown(UINT nFlags, CPoint point) // 鼠标左键函数
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{
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// TODO: Add your message handler code here and/or call default
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R = R + 100;
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InitParameter();
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Invalidate(FALSE);
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CView::OnLButtonDown(nFlags, point);
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}
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void CTestView::OnRButtonDblClk(UINT nFlags, CPoint point) // 鼠标右键函数
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{
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// TODO: Add your message handler code here and/or call default
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R = R - 100;
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InitParameter();
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Invalidate(FALSE);
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CView::OnRButtonDblClk(nFlags, point);
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}
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void CTestView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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// TODO: Add your message handler code here and/or call default
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if (!bPlay)
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{
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switch (nChar)
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{
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case VK_UP:
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Alpha = -5;
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tran.RotateX(Alpha);
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break;
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case VK_DOWN:
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Alpha = 5;
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tran.RotateX(Alpha);
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break;
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case VK_LEFT:
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Beta = -5;
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tran.RotateY(Beta);
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break;
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case VK_RIGHT:
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Beta = 5;
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tran.RotateY(Beta);
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break;
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default:
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break;
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}
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Invalidate(FALSE);
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}
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CView::OnKeyDown(nChar, nRepCnt, nFlags);
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}
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void CTestView::OnPlay()
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{
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// TODO: Add your command handler code here
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bPlay = bPlay ? FALSE : TRUE;
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if (bPlay)
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SetTimer(1, 150, NULL); // 启动定时器
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else
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KillTimer(1); // 关闭定时器
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}
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void CTestView::OnTimer(UINT nIDEvent) // 动画时间函数
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{
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// TODO: Add your message handler code here and/or call default
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Alpha += 5;
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Beta += 5;
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// tran.RotateX(Alpha);
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// tran.RotateY(Beta);
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Invalidate(FALSE);
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CView::OnTimer(nIDEvent);
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}
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void CTestView::OnUpdatePlay(CCmdUI *pCmdUI)
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{
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// TODO: Add your command update UI handler code here
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if (bPlay)
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{
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pCmdUI->SetCheck(TRUE);
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pCmdUI->SetText("停止");
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}
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else
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{
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pCmdUI->SetCheck(FALSE);
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pCmdUI->SetText("开始");
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}
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}
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BOOL CTestView::OnEraseBkgnd(CDC *pDC)
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{
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// TODO: Add your message handler code here and/or call default
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return TRUE;
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}
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void CTestView::OnInitialUpdate()
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||||
{
|
||||
CView::OnInitialUpdate();
|
||||
// TODO: Add your specialized code here and/or call the base class
|
||||
ReadVertex();
|
||||
ReadFace();
|
||||
// tran.SetMat(V,12);
|
||||
InitParameter();
|
||||
}
|
||||
Reference in new issue
Block a user