catdog2/lsim
1
0
Fork 0
Code Issues Pull Requests Releases Activity

anfaengliche z-index vertauschung

Browse Source 
git-svn-id: http://svn.lsim.tuxzone.org/trunk@17 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
This commit is contained in:
catdog2
2008-11-16 22:18:15 +00:00
parent 12fd597883
commit 7c332f2358
8 changed files with 172 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

151
src/simulscene.cpp
View File

@@ -35,6 +35,7 @@
#include <QGraphicsItemGroup>
#include <QPainterPath>
#include <QGraphicsPathItem>
#include <QListWidget>
SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
@@ -44,6 +45,8 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
//setMeterPerPx(1/1000.0);
setMeterPerPx(0.01);
fieldListWidget = new QListWidget();
currHomoEfieldInsertItem = 0;
currHomoEfieldEditItem = 0;
currHomoBfieldInsertItem = 0;
@@ -100,6 +103,7 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
ani->setItem(ellipse1);
ani->setTimeLine(timer);
}
void SimulScene::startTimer() {
@@ -127,6 +131,7 @@ void SimulScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) {
break;
case ProbeChargeItemPlace:
if (mouseEvent->button() != Qt::LeftButton) break; //benutze nur linke maustaste
clearSelection();
ChargePlacementInProgress = true;
ellipse1->setPos(mouseEvent->scenePos());
break;
@@ -249,6 +254,7 @@ void SimulScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) {
//das neue item auswaehlen
clearSelection();
currHomoEfieldInsertItem->setSelected(true);
currHomoEfieldInsertItem->setZValue(getHighestZIndexFieldItems()+FieldZStep);
//die resize items aus und einblenden bei rotation
connect( currHomoEfieldInsertItem, SIGNAL(rotationChanged()), this, SLOT(displayResizeRects()));
@@ -285,6 +291,7 @@ void SimulScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) {
//das neue item auswaehlen
clearSelection();
currHomoBfieldInsertItem->setSelected(true);
currHomoBfieldInsertItem->setZValue(getHighestZIndexFieldItems()+FieldZStep);
//die resize items aus und einblenden bei rotation
connect( currHomoBfieldInsertItem, SIGNAL(rotationChanged()), this, SLOT(displayResizeRects()));
@@ -496,6 +503,22 @@ qreal SimulScene::getHighestZIndexVisible() {
}
return highestZValue;
}
qreal SimulScene::getHighestZIndexFieldItems() {
bool highestZValueSet = false;
qreal highestZValue = FieldDefaultZValue; //default value
for (int i = 0; i < items().count() ; ++i ) {
if (FieldItem::isFieldItem(items().at(i))) {
if (!highestZValueSet) {
highestZValue = items().at(i)->zValue();
highestZValueSet = true;
}
else if (highestZValue < items().at(i)->zValue()) {
highestZValue = items().at(i)->zValue();
}
}
}
return highestZValue;
}
void SimulScene::deleteSelectedFieldItems() {
QList<QGraphicsItem *> currSelectedItems = selectedItems();
@@ -619,7 +642,8 @@ void SimulScene::startCalculation() {
calcBFieldList << qgraphicsitem_cast<HomoBFieldItem*>(items().at(i));
}
}
//berechnung starten
ellipse1->calculateProbePath(ellipse1->pos());
@@ -657,50 +681,10 @@ void SimulScene::setSteps(int steps) {
double SimulScene::getPowerAt(QPointF point, double charge, double speedX, double speedY, char xy) {
double dPower = 0;
/*for(int i = 0; i < items(point).size(); ++i) {
//HomoEFieldItems Abarbeiten
if (qgraphicsitem_cast<HomoEFieldItem*> (items(point).at(i)) != 0) {
HomoEFieldItem* myHomoEFieldItem = qgraphicsitem_cast<HomoEFieldItem*> (items(point).at(i));
double power = (myHomoEFieldItem->getFieldPower() * charge);
double degAngle = myHomoEFieldItem->getRotation();
double radAngle = degAngle/180.0*PI;
if(xy == 'x') {
if (degAngle != 180.0) dPower += power * -sin(radAngle);
}
if(xy == 'y') {
if (degAngle != 90.0 && degAngle != 270.0) dPower += power * cos(radAngle);
}
}
//HomoBFieldItems Abarbeiten
if (qgraphicsitem_cast<HomoBFieldItem*> (items(point).at(i)) != 0) {
HomoBFieldItem* myHomoBFieldItem = qgraphicsitem_cast<HomoBFieldItem*>(items(point).at(i));
double absSpeed = sqrt(speedX * speedX + speedY * speedY); // Geschwindigkeit im Betrag |v|=sqrt(vx^2+vy^2)
double absLorentzPower = (charge * absSpeed * myHomoBFieldItem->getFluxDensity() ); //Kraft im Betrag: |F| = q*v*B
double speedRadAngle = atan2(speedY,speedX); //Winkel des Geschwindigkeitsvekors zur x-Achse im Bogenmass
double PowerRadAngle; //Winkel des Lorentzkraftvektors zur x-Achse im Bogenmass
if (myHomoBFieldItem->getIsDirectionIntoPlane()) {
PowerRadAngle = speedRadAngle + PI/2.0;
} else {
PowerRadAngle = speedRadAngle - PI/2.0;
}
//qDebug()<< PowerRadAngle;
if (xy == 'x') {
dPower += absLorentzPower * cos(PowerRadAngle);
}
if (xy == 'y') {
dPower += absLorentzPower * sin(PowerRadAngle);
}
}
}*/
for (int i=0; i<calcEFieldList.size(); ++i) {
//HomoEFieldItems Abarbeiten
HomoEFieldItem* myHomoEFieldItem = calcEFieldList[i];
HomoEFieldItem* myHomoEFieldItem = calcEFieldList.at(i);
if (myHomoEFieldItem->contains(myHomoEFieldItem->mapFromScene(point))) {
double power = (myHomoEFieldItem->getFieldPower() * charge);
double degAngle = myHomoEFieldItem->getRotation();
double radAngle = degAngle/180.0*PI;
@@ -713,9 +697,10 @@ double SimulScene::getPowerAt(QPointF point, double charge, double speedX, doubl
}
}
}
for (int i=0; i<calcBFieldList.size(); ++i) {
//HomoBFieldItems Abarbeiten
HomoBFieldItem* myHomoBFieldItem = calcBFieldList[i];
HomoBFieldItem* myHomoBFieldItem = calcBFieldList.at(i);
if (myHomoBFieldItem->contains(myHomoBFieldItem->mapFromScene(point))) {
double absSpeed = sqrt(speedX * speedX + speedY * speedY); // Geschwindigkeit im Betrag |v|=sqrt(vx^2+vy^2)
double absLorentzPower = (charge * absSpeed * myHomoBFieldItem->getFluxDensity() ); //Kraft im Betrag: |F| = q*v*B
@@ -779,4 +764,84 @@ void SimulScene::setTimeLineDuration(int duration) {
int SimulScene::getTimeLineDuration() {
return timer->duration();
}
QListWidget* SimulScene::getFieldListWidget() {
return fieldListWidget;
}
QList<QGraphicsItem*> SimulScene::getItemsInZOrder() {
QList<QGraphicsItem*> currItems = items();
bool swapNeeded;
for (int i=0;i< currItems.count();++i) {
swapNeeded=false;
for (int j=0; j< currItems.count() -i -1; ++j){
if(currItems[j]->zValue() > currItems[j+1]->zValue()) {
QGraphicsItem* swapper = currItems[j];
currItems[j]= currItems[j+1];
currItems[j+1] = swapper;
swapNeeded = true;
}
}
if(!swapNeeded) break;
}
return currItems;
}
QList<QGraphicsItem*> SimulScene::getFieldItemsInZOrder() {
QList<QGraphicsItem*> currItems;
for (int i = 0; i< items().size();++i) {
if(FieldItem::isFieldItem(items().at(i))) currItems.append(items().at(i));
}
bool swapNeeded;
for (int i=0;i< currItems.count();++i) {
swapNeeded=false;
for (int j=0; j< currItems.count() -i -1; ++j){
if(currItems[j]->zValue() > currItems[j+1]->zValue()) {
QGraphicsItem* swapper = currItems[j];
currItems[j]= currItems[j+1];
currItems[j+1] = swapper;
swapNeeded = true;
}
}
if(!swapNeeded) break;
}
return currItems;
}
void SimulScene::moveFieldItemDown(QGraphicsItem* fieldItem) {
if (!FieldItem::isFieldItem(fieldItem)) return;
qreal currFieldItemZValue = fieldItem->zValue();
QList<QGraphicsItem*> FieldItemsInZOrder = getFieldItemsInZOrder();
for (int i = 1; i< FieldItemsInZOrder.count();++i) {
if (FieldItemsInZOrder.at(i) == fieldItem) {
fieldItem->setZValue(FieldItemsInZOrder.at(i-1)->zValue());
FieldItemsInZOrder.at(i-1)->setZValue(currFieldItemZValue);
return;
}
}
}
void SimulScene::moveFieldItemUp(QGraphicsItem* fieldItem) {
if (!FieldItem::isFieldItem(fieldItem)) return;
qreal currFieldItemZValue = fieldItem->zValue();
QList<QGraphicsItem*> FieldItemsInZOrder = getFieldItemsInZOrder();
for (int i = 0; i< FieldItemsInZOrder.count()-1;++i) {
if (FieldItemsInZOrder.at(i) == fieldItem) {
fieldItem->setZValue(FieldItemsInZOrder.at(i+1)->zValue());
FieldItemsInZOrder.at(i+1)->setZValue(currFieldItemZValue);
return;
}
}
}
void SimulScene::moveSelectedFieldItemDown() {
if (selectedItems().isEmpty()) return;
moveFieldItemDown(selectedItems().first());
}
void SimulScene::moveSelectedFieldItemUp() {
if (selectedItems().isEmpty()) return;
moveFieldItemUp(selectedItems().first());
}