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animationsberechnung bei grossen steps beschleunigt, usw.

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git-svn-id: http://svn.lsim.tuxzone.org/trunk@13 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
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catdog2
2008-11-12 21:50:47 +00:00
parent 9730481953
commit 75632cdbbc
7 changed files with 340 additions and 40 deletions
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lsim.kdevelop.pcs
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lsim.kdevses
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@@ -1,19 +1,25 @@
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@@ -252,6 +252,26 @@
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<arglist></arglist> <arglist></arglist>
</member> </member>
<member kind="variable" protection="private">
<type>QGraphicsPathItem *</type>
<name>pathItem1</name>
<anchorfile>classSimulScene.html</anchorfile>
<anchor>fad34d48dea97fe1050a503fa07c2c97</anchor>
<arglist></arglist>
</member>
<member kind="variable" protection="private"> <member kind="variable" protection="private">
<type>resizeRects</type> <type>resizeRects</type>
<name>reRects</name> <name>reRects</name>

20
src/graphicsellipseitem.cpp
View File

@@ -94,12 +94,16 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
//startpunkt in den Pfad setzen //startpunkt in den Pfad setzen
flightPath = QPainterPath(startPoint); flightPath = QPainterPath(startPoint);
int debugTime = 0;
time_t start_time = time(0);
for(int i = 1; i< steps;++i) { for(int i = 1; i< steps;++i) {
double myMasse = getMasse( sqrt( speedListX->at(i-1)*speedListX->at(i-1) + speedListY->at(i-1)*speedListY->at(i-1) ) ); double myMasse = getMasse( sqrt( speedListX->at(i-1)*speedListX->at(i-1) + speedListY->at(i-1)*speedListY->at(i-1) ) );
//qDebug()<< myMasse; //qDebug()<< myMasse;
time_t timeb = time(0);
double powerX = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'x'); double powerX = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'x');
double powerY = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'y'); double powerY = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'y');
time_t timea = time(0);
debugTime += difftime(timea,timeb);
double newspeedX = speedListX->at(i-1) + (powerX/myMasse * (timePerStep/1000.0)); double newspeedX = speedListX->at(i-1) + (powerX/myMasse * (timePerStep/1000.0));
double newspeedY = speedListY->at(i-1) + (powerY/myMasse * (timePerStep/1000.0)); double newspeedY = speedListY->at(i-1) + (powerY/myMasse * (timePerStep/1000.0));
@@ -121,15 +125,17 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
currProbePath->append(newPoint); currProbePath->append(newPoint);
speedListX->append(newspeedX); speedListX->append(newspeedX);
speedListY->append(newspeedY); speedListY->append(newspeedY);
/*if(i%10 == 0)*/ flightPath.lineTo(newPoint); flightPath.lineTo(newPoint);
} }
qDebug()<< difftime(time(0),start_time);
qDebug()<< debugTime;
qDebug()<< "Probe Path: " <<*currProbePath; //qDebug()<< "Probe Path: " <<*currProbePath;
qDebug()<< "speed x: "<<*speedListX; //qDebug()<< "speed x: "<<*speedListX;
qDebug()<< "speed y: "<<*speedListY; //qDebug()<< "speed y: "<<*speedListY;
qDebug()<<speedListY->at(12); //qDebug()<<speedListY->at(12);
//qDebug()<<"power x: "<< (double)myScene->getPowerAt(QPointF(0,0), charge, 'x'); //qDebug()<<"power x: "<< (double)myScene->getPowerAt(QPointF(0,0), charge, 'x');
//qDebug()<<"power y: " << (double)myScene->getPowerAt(QPointF(0,0), charge, 'y'); //qDebug()<<"power y: " << (double)myScene->getPowerAt(QPointF(0,0), charge, 'y');
@@ -137,7 +143,7 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
double GraphicsEllipseItem::getMasse(double speed) { double GraphicsEllipseItem::getMasse(double speed) {
if(speed == 0) return masse; if(speed < SPEED_OF_LIGHT/10.0) return masse;
else { else {
return masse / (sqrt(1- ( (speed/SPEED_OF_LIGHT)*(speed/SPEED_OF_LIGHT)))); return masse / (sqrt(1- ( (speed/SPEED_OF_LIGHT)*(speed/SPEED_OF_LIGHT))));

3
src/homobfielditem.cpp
View File

@@ -54,7 +54,8 @@ QRectF HomoBFieldItem::getRectF() const
} }
void HomoBFieldItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { void HomoBFieldItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) {
Qt::GlobalColor linecolor = Qt::red; //Qt::GlobalColor linecolor = Qt::red;
QColor linecolor(92,105,118);
painter->setPen(linecolor); painter->setPen(linecolor);
if (isSelected()) painter->setBrush(Qt::Dense6Pattern); //selection deutlich machen if (isSelected()) painter->setBrush(Qt::Dense6Pattern); //selection deutlich machen
painter->drawRect(sizeRect); painter->drawRect(sizeRect);

34
src/simulscene.cpp
View File

@@ -40,7 +40,7 @@
SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) { SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
//variablen initialisieren //variablen initialisieren
setTimePerStep(0.00001); setTimePerStep(0.00001);
setSteps(1000); setSteps(21234);
//setMeterPerPx(1/1000.0); //setMeterPerPx(1/1000.0);
setMeterPerPx(1); setMeterPerPx(1);
@@ -52,7 +52,11 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
createResizeRects(); createResizeRects();
//path Item Erstellen //path Item Erstellen
pathItem1 = addPath(QPainterPath()); pathItem1 = addPath(QPainterPath(), QPen(QColor(255,137,11), 1, Qt::SolidLine));
pathItem1->setZValue(100);
//pathItem1->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
setFlightPathVisible();
addLine(0,-298,0,298,QPen(Qt::green, 1, Qt::SolidLine) )->setCacheMode(QGraphicsItem::DeviceCoordinateCache); addLine(0,-298,0,298,QPen(Qt::green, 1, Qt::SolidLine) )->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
@@ -77,7 +81,7 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
ellipse1->setRect(-2,-2,5,5); ellipse1->setRect(-2,-2,5,5);
ellipse1->setPen(Qt::NoPen); ellipse1->setPen(Qt::NoPen);
ellipse1->setBrush(Qt::red); ellipse1->setBrush(Qt::red);
ellipse1->setZValue(1); ellipse1->setZValue(200);
//ellipse1->scale(4,4); //ellipse1->scale(4,4);
ellipse1->setAcceptDrops(true); ellipse1->setAcceptDrops(true);
connect(this,SIGNAL(changed(QList<QRectF>)),ellipse1,SLOT(handleSceneChange(QList<QRectF>))); connect(this,SIGNAL(changed(QList<QRectF>)),ellipse1,SLOT(handleSceneChange(QList<QRectF>)));
@@ -98,14 +102,8 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
} }
void SimulScene::startTimer() { void SimulScene::startTimer() {
timer->setCurrentTime(0); timer->setCurrentTime(0);
ani->clear();
int currSteps = ellipse1->getCurrProbePath()->count();
for (int i=0; i<currSteps; ++i) {
//ani->setPosAt(i/200.0, QPointF(x , 0.5 * ay * pow(( (x/1000) /vx),2) *1000 ));
ani->setPosAt(i/(double)currSteps, ellipse1->getCurrProbePath()->at(i) );
//qDebug()<< getSteps();
}
timer->start(); timer->start();
} }
void SimulScene::stopTimer() { void SimulScene::stopTimer() {
@@ -587,8 +585,24 @@ void SimulScene::setTimePerStep(double time) {
\fn SimulScene::startCalculation() \fn SimulScene::startCalculation()
*/ */
void SimulScene::startCalculation() { void SimulScene::startCalculation() {
pathItem1->setPath(QPainterPath());
ellipse1->calculateProbePath(ellipse1->pos()); ellipse1->calculateProbePath(ellipse1->pos());
pathItem1->setPath(ellipse1->getFlightPath()); pathItem1->setPath(ellipse1->getFlightPath());
//animationspfad berechnen
time_t anitimeb = time(0);
ani->clear();
int currSteps = ellipse1->getCurrProbePath()->count();
int entry_step = ceil(currSteps/2500.0); //jeder entry_step(te) step wird eingetragen
for (int i=0; i<currSteps; ++i) {
if (i%entry_step == 0 || i==currSteps) {
ani->setPosAt(i/(double)currSteps, ellipse1->getCurrProbePath()->at(i) );
}
//qDebug()<< getSteps();
}
time_t anitimea = time(0);
qDebug()<< "animationszeit" <<difftime(anitimea,anitimeb);
} }

1
src/simulscene.h
View File

@@ -73,6 +73,7 @@ class SimulScene : public QGraphicsScene {
double getMeterPerPx() const; double getMeterPerPx() const;
void setFlightPathVisible(bool visible = true); void setFlightPathVisible(bool visible = true);
private slots: private slots:
void displayResizeRects(bool move = false); void displayResizeRects(bool move = false);
///does the same as displayResizeRects(true) ///does the same as displayResizeRects(true)