void ViewportWidget::buildPane() {
QGLBuilder builder;
if (_bgr) {
delete _bgr;
_bgr = NULL;
}
builder.newSection();
QGraphicsTranslation3D *trans = new QGraphicsTranslation3D();
QGraphicsRotation3D *rot = new QGraphicsRotation3D();
trans->setTranslate(QVector3D(0.0f, 0.0f, -1.0f));
rot->setAxis(QVector3D(1, 0, 0));
rot->setAngle(180);
qreal size = 7.3f;
builder.addPane(QSizeF(size, size * (qreal)SCREEN_HEIGHT /
(qreal)SCREEN_WIDTH));
_bgr = builder.finalizedSceneNode();
_bgr->addTransform(trans) ;
_bgr->addTransform(rot);
_bgrImage = QImage(SCREEN_WIDTH, SCREEN_HEIGHT, QImage::Format_RGB888);
_texture = new QGLTexture2D();
_texture->setImage(_bgrImage);
}
/*!
\internal
*/
QGraphicsTransform3D *QGraphicsRotation3D::clone(QObject *parent) const
{
Q_D(const QGraphicsRotation3D);
QGraphicsRotation3D *copy = new QGraphicsRotation3D(parent);
copy->setOrigin(d->origin);
copy->setAxis(d->axis);
copy->setAngle(d->angle);
return copy;
}
QGLSceneNode * Boid::boidObject()
{
static QGLSceneNode *v = 0;
if (!v)
{
QGLBuilder build;
build << QGLSphere(2.0f);
v = build.finalizedSceneNode();
v->setObjectName("Boid");
QGraphicsRotation3D * rot = new QGraphicsRotation3D(v);
rot->setAngle(90.0f);
rot->setAxis(QVector3D(1, 0, 0));
v->addTransform(rot);
v->setY(-v->boundingBox().minimum().y());
}
return v;
}
QGLSceneNode *Tank::tankObject()
{
#ifndef QT_NO_DEBUG
// NOT THREADSAFE, NOT RE-ENTRANT
Q_ASSERT(QThread::currentThread() == qApp->thread());
#endif
static QGLSceneNode *theTank = 0;
if (!theTank)
{
QGLBuilder build;
build << QGLCylinder(1.0f, 1.0f, 1.0f, 32);
theTank = build.finalizedSceneNode();
theTank->setObjectName("Tank Component");
QGraphicsRotation3D *rot = new QGraphicsRotation3D(theTank);
rot->setAxis(QVector3D(1, 0, 0));
rot->setAngle(-90.0f);
theTank->addTransform(rot);
theTank->setY(-theTank->boundingBox().minimum().y());
}
return theTank;
}