49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGTriangle2D 类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TGTriangle2D 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 "TGTriangle2D.h"
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TGTriangle2D::TGTriangle2D():TGNPolygon2D(3)
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{
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}
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TGTriangle2D::~TGTriangle2D()
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{
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}
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bool TGTriangle2D::IsValid()const
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{
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return TGPolygon2D::IsValid() && mLine.GetVertexNum() == 3;
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}
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bool TGTriangle2D::Explode(TGObjectList&res)const
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{
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return false;
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}
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TGObject* TGTriangle2D::Clone()const
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{
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return new TGTriangle2D(*this);
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}
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TGTriangle2D::TGTriangle2D(const TGPoint&pt0,const TGPoint&pt1,const TGPoint&pt2,bool bCheck):TGNPolygon2D(3)
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{
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mLine[0]=pt0;
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mLine[1]=pt1;
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mLine[2]=pt2;
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if(bCheck&&mLine.IsClockwise())
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{
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mLine.Reverse();
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}
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} |