From aa9a70cd8b3d2349baeb3e7814727f19cdfe52bd Mon Sep 17 00:00:00 2001
From: catdog2 <catdog2@4bec179b-ab65-46ed-a5f8-55b8b5c735d0>
Date: Sat, 22 Nov 2008 16:45:09 +0000
Subject: [PATCH] stopper fertig

git-svn-id: http://svn.lsim.tuxzone.org/trunk@21 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
---
 src/graphicsellipseitem.cpp |  1 +
 src/simulscene.cpp          | 16 ++++++++++++++++
 src/simulscene.h            |  2 ++
 src/stopperitem.cpp         |  2 +-
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/graphicsellipseitem.cpp b/src/graphicsellipseitem.cpp
index 2d448ac..7972223 100644
--- a/src/graphicsellipseitem.cpp
+++ b/src/graphicsellipseitem.cpp
@@ -129,6 +129,7 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
 		speedListY->append(newspeedY);
 
 		if (i%path_entry_step == 0 || i==steps) flightPath.lineTo(newPoint);
+		if (myScene->stopsHere(currProbePath->at(i-1),newPoint)) break;
 
 	}
 	qDebug()<< difftime(time(0),start_time);
diff --git a/src/simulscene.cpp b/src/simulscene.cpp
index fb7672e..1042123 100644
--- a/src/simulscene.cpp
+++ b/src/simulscene.cpp
@@ -755,6 +755,7 @@ void SimulScene::startCalculation() {
 	//Feld Item Listen erzeugen (viel schneller, als jedes mal items(point) durchlaufen)
 	calcEFieldList.clear();
 	calcBFieldList.clear();
+	calcStopperList.clear();
 	for(int i = 0;  i < items().size(); ++i) {
 		//HomoEFieldItems Abarbeiten
 		if (qgraphicsitem_cast<HomoEFieldItem*> (items().at(i)) != 0) {
@@ -764,6 +765,10 @@ void SimulScene::startCalculation() {
 		if (qgraphicsitem_cast<HomoBFieldItem*> (items().at(i)) != 0) {
 			calcBFieldList << qgraphicsitem_cast<HomoBFieldItem*>(items().at(i));
 		}
+		//StopperItems Abarbeiten
+		if (qgraphicsitem_cast<StopperItem*> (items().at(i)) != 0) {
+			calcStopperList << qgraphicsitem_cast<StopperItem*>(items().at(i));
+		}
 	}
 
 
@@ -850,6 +855,17 @@ double SimulScene::getPowerAt(QPointF point, double charge, double speedX, doubl
 
 }
 
+bool SimulScene::stopsHere(const QPointF &p1, const QPointF &p2) {
+	QPainterPath myPath(p1);
+	myPath.lineTo(p2);
+
+	for (int i = 0; i< calcStopperList.count(); ++i) {
+		QPainterPath itemPath = calcStopperList.at(i)->mapFromScene(myPath);
+		if (calcStopperList.at(i)->collidesWithPath(itemPath/*,Qt::IntersectsItemShape*/)) return true;
+	}
+	return false;
+}
+
 double SimulScene::getMeterPerPx() const {
 	return meterPerPx;
 }
diff --git a/src/simulscene.h b/src/simulscene.h
index 5472899..a850bd9 100644
--- a/src/simulscene.h
+++ b/src/simulscene.h
@@ -67,6 +67,7 @@ class SimulScene : public QGraphicsScene {
 			\param xy r&uuml;ckgabe in x oder y-Richtung
 		*/
 		double getPowerAt(QPointF point, double charge, double speedX, double speedY, char xy);
+		bool stopsHere(const QPointF &p1,const QPointF &p2);
 
    		QWidget* getProbeDockWidget() const;
 		
@@ -171,6 +172,7 @@ class SimulScene : public QGraphicsScene {
 
 		QList<HomoEFieldItem*> calcEFieldList;
 		QList<HomoBFieldItem*> calcBFieldList;
+		QList<StopperItem*> calcStopperList;
 
 		static const qreal FieldDefaultZValue = 10.0; //default z-value fuer Felder
 		static const qreal FieldZStep = 1e-10; //schritt, um den der z-index erhoeht wird
diff --git a/src/stopperitem.cpp b/src/stopperitem.cpp
index 347c7c1..52cc061 100644
--- a/src/stopperitem.cpp
+++ b/src/stopperitem.cpp
@@ -29,7 +29,7 @@
 StopperItem::StopperItem(QPointF start, QPointF end): FieldItem() {
 	setLine(QLineF(start,end));
 	stopperWidget = new StopperWidget(0,0,this);
-	setOuterPenWidth (2);
+	setOuterPenWidth (0);
 	setFlag(ItemIsMovable);
 	setFlag(ItemIsSelectable);
 	setFlag(ItemIsFocusable);