int main(int argc, char ** argv) {
QApplication app{argc, argv};
MyGraphicsView view;
QGraphicsScene scene;
scene.addText("Hello World");
view.setScene(&scene);
view.show();
return app.exec();
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QGraphicsScene scene;
QRect sceneRect(0,0,740,540);
scene.setSceneRect(sceneRect);
scene.setItemIndexMethod(QGraphicsScene::NoIndex);
Team A(5,QColor(0,0,255));
Team B(5,QColor(255,255,0),50);
A.addToScene(scene);
B.addToScene(scene);
MyGraphicsView v;
v.setRenderHint(QPainter::Antialiasing);
v.setCacheMode(QGraphicsView::CacheBackground);
v.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
v.setDragMode(QGraphicsView::ScrollHandDrag);
v.setScene(&scene);
v.show();
return a.exec();
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
// Set up the scene
QGraphicsScene scene;
QRect sceneRect(0,0,740,540);
scene.setSceneRect(sceneRect);
scene.setItemIndexMethod(QGraphicsScene::NoIndex);
Team A(5,QColor(0,0,255));
Team B(5,QColor(255,255,0),50);
A.addToScene(scene);
B.addToScene(scene);
// Set up the view port
MyGraphicsView v;
v.setRenderHint(QPainter::Antialiasing);
v.setCacheMode(QGraphicsView::CacheBackground);
v.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
v.setDragMode(QGraphicsView::ScrollHandDrag);
v.setScene(&scene);
v.show();
// Call circle advance for every time interval of 1000/33
QTimer timer;
QObject::connect(&timer, SIGNAL(timeout()), &scene, SLOT(advance()));
timer.start(1000 / 33);
a.exec();
#ifndef __NO_BOX2D__
B2_NOT_USED(argc);
B2_NOT_USED(argv);
// Define the ground body.
b2BodyDef groundBodyDef[4];
groundBodyDef[0].position.Set(0.0f, 2.7f); //top
groundBodyDef[1].position.Set(0.0f, -2.7f); //bottom
groundBodyDef[2].position.Set(-3.7f, 0.0f); //left
groundBodyDef[3].position.Set(3.7f, 0.0f); //right
// Call the body factory which allocates memory for the ground body
// from a pool and creates the ground box shape (also from a pool).
// The body is also added to the world.
b2Body* groundBody[4];
for(unsigned int i = 0; i < 4; i += 1){
groundBody[i] = m_world->CreateBody(&groundBodyDef[i]);
}
// Define the ground box shape.
b2PolygonShape groundBox[4];
// The extents are the half-widths of the box.
groundBox[0].SetAsBox(3.7f, 0.003f);
groundBox[1].SetAsBox(3.7f, 0.003f);
groundBox[2].SetAsBox(0.003f, 2.7f);
groundBox[3].SetAsBox(0.003f, 2.7f);
// Add the ground fixture to the ground body.
for(unsigned int i = 0; i < 4; i += 1){
groundBody[i]->CreateFixture(&groundBox[i], 0.0f);
}
// Define the dynamic body. We set its position and call the body factory.
b2BodyDef bodyDef[6];
for(unsigned int i = 0; i < 6; i += 1){
bodyDef[i].type = b2_dynamicBody;
}
bodyDef[0].position.Set(1.0f, 2.0f);
bodyDef[1].position.Set(1.0f, 0.0f);
bodyDef[2].position.Set(1.0f, -2.0f);
bodyDef[3].position.Set(2.0f, 1.0f);
bodyDef[4].position.Set(2.0f, -1.0f);
bodyDef[5].position.Set(3.0f, 0.0f);
b2Body* body[6];
for(unsigned int i = 0; i < 6; i += 1){
body[i] = m_world->CreateBody(&bodyDef[i]);
b2Vec2 pos = body[i]->GetPosition();
body[i]->SetTransform(pos, 90.0);
}
// Define another box shape for our dynamic body.
b2PolygonShape dynamicBox;
dynamicBox.SetAsBox(0.09f, 0.09f);
b2Vec2 vertices[19];
vertices[0].Set(-0.090000f, 0.000000f);
vertices[1].Set(-0.087385f, -0.021538f);
vertices[2].Set(-0.079691f, -0.041825f);
vertices[3].Set(-0.067366f, -0.059681f);
vertices[4].Set(-0.051126f, -0.074069f);
vertices[5].Set(-0.031914f, -0.084151f);
vertices[6].Set(-0.010848f, -0.089344f);
vertices[7].Set(0.010848f, -0.089344f);
vertices[8].Set(0.031914f, -0.084151f);
vertices[9].Set(0.051126f, -0.074069f);
vertices[10].Set(0.067366f, -0.059681f);
vertices[11].Set(0.079691f, -0.041825f);
vertices[12].Set(0.087385f, -0.021538f);
vertices[13].Set(0.087385f, 0.021538f);
vertices[14].Set(0.079691f, 0.041825f);
vertices[15].Set(0.067366f, 0.059681f);
vertices[16].Set(-0.067366f, 0.059681f);
vertices[17].Set(-0.079691f, 0.041825f);
vertices[18].Set(-0.087385f, 0.021538f);
int32 count = 19;
b2PolygonShape polygon;
polygon.Set(vertices, count);
// Define the dynamic body fixture.
b2FixtureDef fixtureDef;
b2FixtureDef fixtureDefTri;
fixtureDef.shape = &dynamicBox;
fixtureDefTri.shape = &polygon;
// Set the box density to be non-zero, so it will be dynamic.
fixtureDef.density = 1.0f;
fixtureDefTri.density = 1.0f;
// Override the default friction.
fixtureDef.friction = 0.3f;
fixtureDefTri.friction = 0.3f;
// Add the shape to the body.
for(unsigned int i = 0; i < 6; i += 1){
body[i]->CreateFixture(&fixtureDefTri);
}
// Prepare for simulation. Typically we use a time step of 1/60 of a
// second (60Hz) and 10 iterations. This provides a high quality simulation
// in most game scenarios.
float32 timeStep = 1.0f / 60.0f;
int32 velocityIterations = 6;
int32 positionIterations = 2;
// This is our little game loop.
for (int32 i = 0; i < 60; ++i)
{
// Instruct the world to perform a single step of simulation.
// It is generally best to keep the time step and iterations fixed.
world.Step(timeStep, velocityIterations, positionIterations);
b2Vec2 position[6];
float32 angle[6];
// Now print the position and angle of the body.
for(unsigned int i = 0; i < 6; i += 1){
position[i] = body[i]->GetPosition();
angle[i] = body[i]->GetAngle();
}
printf("----------------------------------\n");
for(unsigned int i = 0; i < 5; i += 1){
printf("%4.2f %4.2f\n", (position[i].x + 2.7) * 100, 540 - ((position[i].y + 3.7) * 100));
A.setPos(i, (position[i].x + 2.7) * 100, 540 - ((position[i].y + 3.7) * 100));
}
printf("----------------------------------\n");
}
#endif
// When the world destructor is called, all bodies and joints are freed. This can
// create orphaned pointers, so be careful about your world management.
return 0;
}