void GLEcgCanvas::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
painter.begin(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.fillRect(event->rect(), QBrush(Qt::white));
painter.end();
drawGridLines(10, QColor(255, 192, 192));
drawGridLines(50, QColor(240, 128, 128));
drawSignal(QColor(0, 0, 0));
}
void SceneWhiteNote::draw()
{
ofBackground(255, 255, 255);
ofSetLineWidth(1);
// draw waves
ofSetColor(0);
ofNoFill();
for (int i = 0; i < NUM_SAMPLES; i++)
{
mSamplePointsDrawer->drawWave(mSamples[i], ofRectangle(0, 0, ofGetWidth(), ofGetHeight()));
}
cameraBegin(); //------------------------ camera begin
//grid lines
drawGridLines();
// draw points
ofFill();
ofSetColor(0);
// mSamplePointsDrawer->drawCircle(mPts[0], 0.3);
mSamplePointsDrawer->drawPoints(mPts[0], ofColor(0), 2);
// ofSetColor(255, 0, 0);
// mSamplePointsDrawer->drawCircle(mPts[1], 0.3);
// mSamplePointsDrawer->drawCircle(mPts[2], 0.3);
// mSamplePointsDrawer->setTo2dMode(BaseScopeManager::TO2D_XZ);
// mSamplePointsDrawer->set2dDistance(-75);
cameraEnd(); //--------------------------- camera end
//ruler lines
drawRulerLines();
}
void
TerrainGridRenderable::initTerrainGrid(int vertexCount)
{
m_locked_data = 0;
mRenderOp.vertexData = new Ogre::VertexData();
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexCount = mVertexCount;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = Ogre::RenderOperation::OT_LINE_LIST;
mRenderOp.useIndexes = false;
Ogre::VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
Ogre::VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
decl->addElement(0, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
decl->addElement(0, 3*sizeof(Ogre::Real), Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
Ogre::HardwareVertexBufferSharedPtr vbuf =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(0),
vertexCount,
Ogre::HardwareBuffer::HBU_WRITE_ONLY);
bind->setBinding(0, vbuf);
// set basic white material
this->setMaterial("BaseWhiteNoLighting");
mBox.setExtents(-10,-10,-10,10,10,10);
lock();
drawGridLines();
unlock();
// getMaterial()->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
setQueryFlags(0);
}
void TerrainGridRenderable::onTerrainHeightChanged(const std::vector<TerrainInfo>& terrainInfo,int minx,int minz,int maxx,int maxz)
{
/*minx = std::max(mXStart,minx);
minz = std::max(mZStart,minz);
maxx = std::min(maxx,mXEnd);
maxz = std::min(maxz,mZEnd);
lock();
int lineCount = ((minz-mZStart) * (mZEnd - mZStart) + (minx-mXStart)) ;
for(int z=minz;z<maxz+1;z++)
{
for(int x=minx;x<maxx;x++)
{
Ogre::Vector3 startPt = terrData->_getPosition(x,z);
Ogre::Vector3 endPt = terrData->_getPosition(x+1,z);
startPt.y +=1;
endPt.y +=1;
if(z%10 == 0)
mColorValue = colourRed;
else
mColorValue = colourWhite;
if (z == 2 || z == 62)
mColorValue = colourGreen;
drawLine(startPt,endPt,mColorValue,mColorValue,lineCount++);
}
lineCount += (mXEnd - mXStart) - (maxx-minx);
}
lineCount = ((minx-mXStart) * (mZEnd - mZStart) + (minz-mZStart)) + (mXEnd - mXStart) * (mZEnd - mZStart+1);
for(int x=minx;x<maxx+1;x++)
{
for(int z=minz;z<maxz;z++)
{
Ogre::Vector3 startPt = terrData->_getPosition(x,z);
Ogre::Vector3 endPt = terrData->_getPosition(x,z+1);
startPt.y +=1;
endPt.y +=1;
if(x%10 == 0)
mColorValue = colourRed;
else
mColorValue = colourWhite;
if (x == 2 || x == 62)
mColorValue = colourGreen;
drawLine(startPt,endPt,mColorValue,mColorValue,lineCount++);
}
lineCount += (mZEnd - mZStart) - (maxz-minz);
}
unlock();*/
/**
hack的代码，临时修改了reshape后地形网格线的bug
现在是每次改变地形高度都会重新填充整块地形网格线，效率有点低
*/
lock();
drawGridLines();
unlock();
}
