179 lines
2.4 KiB
C++
179 lines
2.4 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, SH Software Co. Ltd.
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// = FileName : X3DFace3Pt 类
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// = Version : ver2.0
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// = Author : zjq
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// = CreateDate : 2002-09-09
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// = Description: X3DFace3Pt 类定义
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#include "StdAfx.h"
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#include "X3DFace3Pt.h"
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#include "XLine.h"
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X3DFace3Pt::X3DFace3Pt(Entity &entFace)
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: X3DFace(entFace)
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{
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if (GetFlag() & FLAG_UNNORMAL)
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{
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return;
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}
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int nFlag = GetFlag();
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for (int i = 0; i < 4; i++)
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{
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int j = i + 1;
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if (j == 4)
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{
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j = 0;
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}
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XLine aLine(GetVertex(i), GetVertex(j));
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if (aLine.GetLength() < _DIST_SNAP)
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{
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switch(j)
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{
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case 1:
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SetVertex(1, GetVertex(2));
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SetVertex(2, GetVertex(3));
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if (nFlag & 0x02)
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{
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nFlag |= 0x01;
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}
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if (nFlag & 0x04)
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{
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nFlag |= 0x02;
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}
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if (nFlag & 0x08)
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{
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nFlag |= 0x04;
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}
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break;
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case 2:
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SetVertex(2, GetVertex(3));
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if (nFlag & 0x04)
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{
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nFlag |= 0x02;
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}
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if (nFlag & 0x08)
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{
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nFlag |= 0x04;
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}
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break;
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case 3:
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if (nFlag & 0x08)
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{
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nFlag |= 0x04;
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}
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break;
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}
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nFlag &= ~0x08;
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if (nFlag == 0x01 || nFlag == 0x02 || nFlag == 0x04)
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{
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;
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}
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else
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{
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nFlag |= FLAG_UNNORMAL;
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}
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SetFlag(nFlag);
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return;
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}
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}
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nFlag |= FLAG_UNNORMAL;
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SetFlag(nFlag);
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}
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X3DFace3Pt::~X3DFace3Pt()
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{
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}
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int X3DFace3Pt::GetMergeLine(XLine *pLine)
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{
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ASSERT(pLine != NULL);
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if (!(*this))
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{
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return RTERROR;
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}
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switch (GetFlag())
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{
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case 0x01:
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pLine->SetPoints(GetVertex(0), GetVertex(1));
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break;
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case 0x02:
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pLine->SetPoints(GetVertex(1), GetVertex(2));
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break;
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default:
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pLine->SetPoints(GetVertex(2), GetVertex(0));
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break;
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}
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return RTNORM;
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}
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int X3DFace3Pt::MergeEdge()
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{
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if (!(*this))
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{
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return -1;
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}
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int rc;
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switch (GetFlag())
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{
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case 0x01:
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rc = 0;
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break;
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case 0x02:
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rc = 1;
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break;
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default:
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rc = 2;
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break;
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}
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return rc;
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}
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int X3DFace3Pt::OppHidePoint()
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{
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if (!(*this))
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{
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return -1;
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}
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int rc;
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switch(GetFlag())
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{
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case 0x01:
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rc = 2;
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break;
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case 0x02:
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rc = 0;
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break;
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default:
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rc = 1;
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break;
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}
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return rc;
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}
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