84 lines
1.7 KiB
C++
84 lines
1.7 KiB
C++
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#include "effects/DottedLine.h"
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#include <algorithm>
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#include <math.h>
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#include <osg/Drawable>
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#include <osg/Geometry>
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#include <osg/CullFace>
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#include <osg/Depth>
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#include <osg/LineWidth>
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DottedLine::DottedLine(ElectricWave* pElectricWave)
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: TrackWave(pElectricWave),width_(10),m_i(1)
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{
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}
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DottedLine::~DottedLine(void)
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{
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}
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// <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>
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void DottedLine::SetWidth(int nWidth)
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{
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width_ = nWidth;
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}
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// <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>
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int DottedLine::GetWidth(void)
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{
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return (width_);
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD>յ<EFBFBD>
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void DottedLine::SetStartAndEnd(const osg::Vec3d& vStart, const osg::Vec3d& vEnd)
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{
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TrackWave::SetStartAndEnd(vStart, vEnd);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
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temp_ = vEnd - vStart;
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temp_.normalize();;
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height_ = temp_;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void DottedLine::CreateSingleVertex(double index, osg::Vec3dArray* pVertexArray)
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{
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double fHeight = index * (m_fLoopHeight + m_fSpaceHeight) + m_fLoopHeight + m_fdHeight;
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if (((fHeight - m_fLoopHeight) >= m_fHeight) || ((fHeight - m_fLoopHeight) <= -m_fHeight))
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{
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fHeight -= m_fHeight;
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}
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double ftemp = fHeight;
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//<2F>ж<EFBFBD>ֵ<EFBFBD><D6B5>Ч
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if (ftemp >= m_fHeight )
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{
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ftemp = m_fHeight;
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}
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osg::Vec3d vTop = height_ * ftemp;
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ftemp = fHeight - m_fLoopHeight;
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osg::Vec3d vBotton = height_ * ftemp;
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pVertexArray->push_back(vTop + m_vStart);
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pVertexArray->push_back(vBotton + m_vStart );
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}
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void DottedLine::CreatePrimitiveSet(osg::Geometry* pGeometry, int nStart, int nCount)
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{
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pGeometry->removePrimitiveSet(0, pGeometry->getNumPrimitiveSets());
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pGeometry->addPrimitiveSet(new osg::DrawArrays(GL_LINES, 0, nCount));
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void DottedLine::SetStateSet(osg::StateSet* pStateSet)
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{
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TrackWave::SetStateSet(pStateSet);
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osg::LineWidth* pLineWidth = new osg::LineWidth(width_);
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pStateSet->setAttributeAndModes(pLineWidth);
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}
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