first commit

[blok] / physicsscene.cpp

diff --git a/physicsscene.cpp b/physicsscene.cpp
new file mode 100644 (file)
index 0000000..2ae0578
--- /dev/null
+++ b/physicsscene.cpp
@@ -0,0 +1,137 @@
+#include "physicsscene.h"
+#include <QDebug>
+
+
+#include "athread.h"
+
+PhysicsScene::PhysicsScene(QObject *parent) :
+        QGraphicsScene(parent)
+{
+    mGravity= b2Vec2(0.0f,10.0f);
+    createWorld();
+    mTimer = new QTimer;
+    mTimer->setInterval(20);
+    mTime = QTime::currentTime();
+    connect(mTimer,SIGNAL(timeout()),this,SLOT(mainLoop()));
+    mFps = 20;
+
+    aThread * accelerometer = new aThread(this);
+    connect(accelerometer,SIGNAL(deviceOrientation(QString,QString,QString)),this,SLOT(moveXYZ(QString,QString,QString)));
+
+
+    accelerometer->start(QThread::NormalPriority);
+}
+PhysicsScene::~PhysicsScene()
+{
+
+    delete mWorld;
+}
+
+void PhysicsScene::createWorld()
+{
+
+    b2AABB worldAABB;
+    worldAABB.lowerBound.Set(-100.0f, -100.0f);
+    worldAABB.upperBound.Set(100.0f, 100.0f);
+    bool doSleep = false;
+    mWorld = new b2World(worldAABB, mGravity, doSleep);
+
+}
+void PhysicsScene::addPhysicsItem(BoxItem * item)
+{
+    addItem(item);
+    item->setup(mWorld);
+    mBoxList.append(item);
+}
+void PhysicsScene::removePhysicsItem(BoxItem * item)
+{
+    mBoxList.removeOne(item);
+    mWorld->DestroyBody(item->body());
+    removeItem(item);
+
+}
+
+void PhysicsScene::computeSimulation(int32 iterations)
+{
+
+    double R = mFps/1000;
+
+    float32 timeStep = R;
+    mWorld->Step(timeStep, iterations);
+
+    b2Body* node = mWorld->GetBodyList();
+    while (node)
+    {
+        b2Body* b = node;
+        node = node->GetNext();
+
+        if ( b->GetUserData()!=NULL)
+        {
+            //            qDebug()<<"positionx:"<<b->GetPosition().x;
+            //            q#include <phonon/MediaObject>
+//qDebug()<<"positiony:"<<b->GetPosition().y;
+
+
+            BoxItem* item = (BoxItem*)b->GetUserData();
+            if (!item->needRemoveFromWorld())
+                item->updatePhysics();
+
+            else
+            {
+                mWorld->DestroyBody(item->body());
+            }
+
+        }
+    }
+}
+
+void PhysicsScene::keyPressEvent(QKeyEvent *event)
+{
+    qDebug()<<"key press";
+
+    computeSimulation();
+
+}
+
+void PhysicsScene::mainLoop()
+{
+    mFps = mTime.elapsed();
+    mTime = QTime::currentTime();
+
+    computeSimulation();
+
+
+}
+
+void PhysicsScene::start()
+{
+    mTimer->start();
+}
+
+void PhysicsScene::stop()
+{
+
+
+
+
+
+    mTimer->stop();
+
+}
+
+void PhysicsScene::moveXYZ(QString x, QString y, QString z)
+{
+#if defined(Q_WS_MAEMO_5)
+
+
+
+
+
+        mWorld->SetGravity(b2Vec2(-x.toDouble()/10, -y.toDouble() / 10));
+
+#endif
+
+    }
+
+
+