float Collider::angleBetweenVectors(QVector2D v1, QVector2D v2)
{
float dot = QVector2D::dotProduct(v1,v2);
float det = v1.x ()*v2.y() - v1.y ()*v2.x();
return (-qRadiansToDegrees(atan2(det,dot)));
}
QVector<QVector3D> SurfaceItem::vertices() const
{
QSize size = surface()->size();
qreal w = (m_height * size.width()) / size.height();
qreal h = m_height;
QVector3D pos = m_pos + m_normal * m_depthOffset;
QVector2D center(pos.x(), pos.z());
QVector3D perp = QVector3D::crossProduct(QVector3D(0, 1, 0), m_normal);
QVector2D delta = w * QVector2D(perp.x(), perp.z()).normalized() / 2;
qreal scale = qMin(1.0, m_time.elapsed() * 0.002);
qreal top = m_pos.y() + h * 0.5 * scale;
qreal bottom = m_pos.y() - h * 0.5 * scale;
QVector2D left = center - delta * scale;
QVector2D right = center + delta * scale;
QVector3D va(left.x(), top, left.y());
QVector3D vb(right.x(), top, right.y());
QVector3D vc(right.x(), bottom, right.y());
QVector3D vd(left.x(), bottom, left.y());
QVector<QVector3D> result;
result << va << vb << vc << vd;
return result;
}
/**
* update the bounding box by adding a new point.
*
* @param newPt new point
*/
void BBox::addPoint(const QVector2D& newPt) {
minPt.setX(qMin(minPt.x(), newPt.x()));
minPt.setY(qMin(minPt.y(), newPt.y()));
maxPt.setX(qMax(maxPt.x(), newPt.x()));
maxPt.setY(qMax(maxPt.y(), newPt.y()));
}
QPixmap ContainerSVG::createScaledContainer_(const QVector2D &factors)
{
if (factors.x() == 1 && factors.y() == 1 && m_cache.contains(m_size))
{
return m_cache[m_size];
}
QSize mySize(qRound(m_size.width() * factors.x()),
qRound(m_size.height() * factors.y()));
if (!m_nocache && m_cache.contains(mySize))
{
return m_cache[mySize];
}
QPixmap pix(mySize);
pix.fill(Qt::transparent);
QPainter pixPainter(&pix);
pixPainter.setRenderHints(QPainter::Antialiasing |
QPainter::SmoothPixmapTransform, true);
m_renderer->render(&pixPainter);
pixPainter.end();
if (!m_nocache)
{
m_cache.insert(mySize, pix);
}
#ifdef IMAGEMAP_DEBUG
wzLog(LOG_IM) << "\tGenerated:" << m_filename << pix.size();
#endif
return pix;
}
void DesignDialog::save()
{
QList<Graph*> graph_list = graphView->getGraphList();
FileController fc;
fc.setFile(fileName);
fc.clearFile();
for(int i=0; i<graph_list.size(); i++) {
for(int j=0; j<graph_list[i]->getSize(); j++) {
QVector2D pnt = graph_list[i]->getPoint(j);
fc.appendPair(pnt.x(), pnt.y());
}
}
fc.setFile(fileName.left(fileName.lastIndexOf(".")) + ".tbl");
fc.clearFile();
for(int i=0; i<graph_list.size(); i++) {
qreal x_step = ui->intervalSpinBox->value();
qreal x_start = 0.;
qreal x_end = graph_list[i]->getPoint(graph_list[i]->getSize() - 1).x();
for ( int x=x_start; x<x_end; x+= x_step ) {
QVector2D pnt = graph_list[i]->getFunctionAtX(x);
fc.appendPair(pnt.x(), pnt.y());
}
}
}
void OpenGLWidget::mouseMoveEvent(QMouseEvent *e)
{
if (e->buttons() & Qt::LeftButton)
{
// Mouse release position - mouse press position
QVector2D diff = QVector2D(e->localPos()) - m_lastMousePosition;
m_lastMousePosition = QVector2D(e->localPos());
// Rotation axis is perpendicular to the mouse position difference vector
QVector3D n = QVector3D(diff.y(), diff.x(), 0.0).normalized();
// Update rotation
m_rotation = QQuaternion::fromAxisAndAngle(n, 2) * m_rotation;
// Update scene
updateGL();
}
else if (e->buttons() & Qt::MiddleButton)
{
QVector2D diff = (QVector2D(e->localPos()) - m_lastMousePosition) / 100;
m_lastMousePosition = QVector2D(e->localPos());
QVector3D n = QVector3D(-diff.x(), diff.y(), 0);
m_camera.setViewCenter(m_camera.viewCenter() + n);
updateGL();
}
}
bool SegmentIntersection(QVector2D &result, QVector2D seg11, QVector2D seg12, QVector2D seg21, QVector2D seg22)
{
// Store the values for fast access and easy
// equations-to-code conversion
double x1 = seg11.x(), x2 = seg12.x(), x3 = seg21.x(), x4 = seg22.x();
double y1 = seg11.y(), y2 = seg12.y(), y3 = seg21.y(), y4 = seg22.y();
double d = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
// If d is zero, there is no intersection
if (d == 0) return NULL;
// Get the x and y
double pre = (x1*y2 - y1*x2), post = (x3*y4 - y3*x4);
double x = ( pre * (x3 - x4) - (x1 - x2) * post ) / d;
double y = ( pre * (y3 - y4) - (y1 - y2) * post ) / d;
// Check if the x and y coordinates are within both lines
if ( x < std::min(x1, x2) || x > std::max(x1, x2) ||
x < std::min(x3, x4) || x > std::max(x3, x4) ) return false;
if ( y < std::min(y1, y2) || y > std::max(y1, y2) ||
y < std::min(y3, y4) || y > std::max(y3, y4) ) return false;
// Return the point of intersection
result.setX(x);
result.setY(y);
return true;
}
QPixmap ContainerImage::pixmap(const Image &image,
const QSize &size,
const AspectRatioMode &mode)
{
QVector2D factors = calculateFactors_(size, image.size, mode);
#ifdef IMAGEMAP_DEBUG
wzLog(LOG_IM) << "\tContainer:" << m_filename;
wzLog(LOG_IM) << "\tMode:" << mode;
wzLog(LOG_IM) << "\tFactors:" << factors;
wzLog(LOG_IM) << "\tSize:" << qRound(image.size.width() * factors.x()) <<
qRound(image.size.height() * factors.y());
wzLog(LOG_IM) << "\tPosition:" << qRound(image.xPosition * factors.x()) <<
qRound(image.yPosition * factors.y());
#endif
// Creates a full scaled copy of the container image with the factors.
QPixmap full = createScaledContainer_(factors);
// Extracts the image.
QPixmap result = full.copy(qRound(image.xPosition * factors.x()),
qRound(image.yPosition * factors.y()),
qRound(image.size.width() * factors.x()),
qRound(image.size.height() * factors.y()));
return result;
}
bool SegmentIntersection(QVector2D &result, QVector2D seg11, QVector2D seg12, QVector2D seg21, QVector2D seg22)
{
// 保存这个数值以便快速访问并简化公式到代码的转换
double x1 = seg11.x(), x2 = seg12.x(), x3 = seg21.x(), x4 = seg22.x();
double y1 = seg11.y(), y2 = seg12.y(), y3 = seg21.y(), y4 = seg22.y();
double d = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
//如果d是零，没有交集
if (d == 0) return NULL;
// 获取x和y的值
double pre = (x1*y2 - y1*x2), post = (x3*y4 - y3*x4);
double x = ( pre * (x3 - x4) - (x1 - x2) * post ) / d;
double y = ( pre * (y3 - y4) - (y1 - y2) * post ) / d;
// 检查，x和y坐标是否都在两条轴线内里
if ( x < std::min(x1, x2) || x > std::max(x1, x2) ||
x < std::min(x3, x4) || x > std::max(x3, x4) ) return false;
if ( y < std::min(y1, y2) || y > std::max(y1, y2) ||
y < std::min(y3, y4) || y > std::max(y3, y4) ) return false;
// 返回交点坐标
result.setX(x);
result.setY(y);
return true;
}
bool GLWidget::isSelected(const QVector3D &vertex, const QVector2D &min, const QVector2D &max)
{
QVector2D result;
fromWorldToScreen(&result, vertex);
//if point on screen is inside rectangle, it's selected
return result.x() > min.x() && result.x() < max.x() && result.y() > min.y() && result.y() < max.y();
}
// TODO: second plane
void SliceAdjustmentTool::toolMouseReleaseEvent(QMouseEvent *ev)
{
voxie::data::SliceImage& currentImg = (currentSlice == 0) ? this->sv->sliceImageFirst() : this->sv->sliceImageSecond();
voxie::data::SliceImage& otherImg = (currentSlice == 1) ? this->sv->sliceImageFirst() : this->sv->sliceImageSecond();
voxie::data::Slice* otherSlice = (currentSlice == 0) ? this->sv->slices().at(0) : this->sv->slices().at(1);
if(this->ctrlDown){
if(this->rotatingInProgress){
this->rotatingInProgress = false;
QVector2D cursorOnPlane = QVector2D(currentImg.pixelToPlanePoint(ev->pos(), true)).normalized();
float angle = (float) qAcos(QVector3D::dotProduct(this->rotationHypotenuse, cursorOnPlane));
// check clockwise or counterclockwise rotation
float sign = 1;
{
/* to know if cursor is left of hypotenuse rotate their coordinatesystem so that
* hypotenuse is points in xAxis direction and check if cursor.y is positive.
* Rotation matrix for this can be obtained from hypotenuse since its normalized
* counterclockwise clockwise
* cos(a) -sin(a) cos(a)/det sin(a)/det
* sin(a) cos(a) -sin(a)/det cos(a)/det
*
* with cos(a) = hypotenuse.x , sin(a) = hypotenuse.y , det = determinant(clockwise rotMat)
*/
qreal cos = this->rotationHypotenuse.x();
qreal sin = this->rotationHypotenuse.y();
qreal det = cos*cos + sin*sin;
// y-part of matrix multiplication (clockwise*cursor)
qreal rotCursorY = -sin/det * cursorOnPlane.x() + cos/det * cursorOnPlane.y();
sign = rotCursorY > 0 ? 1:-1;
}
if(this->selectedBoth)
{
QVector2D cursorOnPlane = QVector2D(otherImg.pixelToPlanePoint(ev->pos(), true)).normalized();
float angle = (float) qAcos(QVector3D::dotProduct(this->rotationHypotenuse2, cursorOnPlane));
// check clockwise or counterclockwise rotation
float sign = 1;
{
/* to know if cursor is left of hypotenuse rotate their coordinatesystem so that
* hypotenuse is points in xAxis direction and check if cursor.y is positive.
* Rotation matrix for this can be obtained from hypotenuse since its normalized
* counterclockwise clockwise
* cos(a) -sin(a) cos(a)/det sin(a)/det
* sin(a) cos(a) -sin(a)/det cos(a)/det
*
* with cos(a) = hypotenuse.x , sin(a) = hypotenuse.y , det = determinant(clockwise rotMat)
*/
qreal cos = this->rotationHypotenuse2.x();
qreal sin = this->rotationHypotenuse2.y();
qreal det = cos*cos + sin*sin;
// y-part of matrix multiplication (clockwise*cursor)
qreal rotCursorY = -sin/det * cursorOnPlane.x() + cos/det * cursorOnPlane.y();
sign = rotCursorY > 0 ? 1:-1;
}
rotateSlice(otherSlice, otherSlice->normal(), ((angle)/3.1415f) * 180 * sign);
}
rotateSlice(this->slice, this->slice->normal(), ((angle)/3.1415f) * 180 * sign);
}
}
}
int PointLineCompare(QVector2D pointm, QVector2D dir, QVector2D quarrypoint)//returns 1 if point is on right, -1 if point is on left
{
//double MAx = (quarrypoint.x() - pointm.x());
//double MAy = (quarrypoint.y() - pointm.y());
double position = (dir.x()*(quarrypoint.y() - pointm.y())) - (dir.y()*(quarrypoint.x() - pointm.x()));
return -int(ceil(position));
}
int PointLineCompare(QVector2D pointm, QVector2D dir, QVector2D quarrypoint)//如果点在右则返回1，如果点在左，则返回-1
{
//double MAx = (quarrypoint.x() - pointm.x());
//double MAy = (quarrypoint.y() - pointm.y());
double position = (dir.x()*(quarrypoint.y() - pointm.y())) - (dir.y()*(quarrypoint.x() - pointm.x()));
return -int(ceil(position));
}
bool PointsShare(QVector2D point1, QVector2D point2, double tolerance)
{
if(IsZero(point2.x() - point1.x(), tolerance) && IsZero(point2.y() - point1.y(),tolerance))
{
return true;
}
return false;
}
bool BBox2D::contains(const QVector2D &p) {
if (p.x() < corner0.x()) return false;
if (p.y() < corner0.y()) return false;
if (p.x() > corner1.x()) return false;
if (p.y() > corner1.y()) return false;
return true;
}
PropertyGroup::PropertyGroup(QVector2D min, QVector2D max, QVector2D t, QString name)
{
createBox(name);
properties.emplace_back(new Property(min.x(), max.x(), t.x(), box));
properties.emplace_back(new Property(min.y(), max.y(), t.y(), box));
config();
}
void GameApplication::loadScene()
{
disconnect(&m_window, &QWindow::activeChanged, this, &GameApplication::loadScene);
CaveGenerator cgen(MAP_SIZE, MAP_SIZE, 10);
m_map = cgen.GetCaveMap();
ObjectsGenerator ogen(m_map);
m_map = ogen.GenerateObj();
std::shared_ptr<BaseScene> scene = std::make_shared<BaseScene>();
scene->camera().setViewport(m_window.size());
//new ColoredCube(scene.get(), {0, 0, 0}, ColoredCube::WallType::CaveGround);
new SkyBox(scene.get());
int x = 0;
int z = 0;
for (size_t i = 0; i < MAP_SIZE; i++, z += WALL_LEN)
{
x = 0;
for (size_t j = 0; j < MAP_SIZE; j++, x += WALL_LEN)
{
if (m_map[i][j] == WALL_CELL)
{
new ColoredCube(scene.get(), {z, 0, x}, ColoredCube::WallType::CaveWall);
}
else if (m_map[i][j] == ENTERANCE_CELL)
{
m_player = new PlayerNode(scene.get(), QVector2D(z, x));
new ColoredCube(scene.get(), {z, 0, x}, ColoredCube::WallType::CaveGround);
}
else if (m_map[i][j] == SIDE_EXIT_CELL)
{
m_exit = new ExitNode(scene.get(), QVector2D(z, x));
}
else if (m_map[i][j] == GROUND_EXIT_CELL)
{
}
else if (m_map[i][j] == FREE_CELL)
{
new ColoredCube(scene.get(), {z, 0, x}, ColoredCube::WallType::CaveGround);
}
}
}
scene->setPlayer(m_player);
scene->setExit(m_exit);
QVector2D pos = m_player->GetCoords();
scene->camera().lookAt(QVector3D(pos.x(), CAM_UP, pos.y() - CAM_RANGE), QVector3D(pos.x(), CAM_UP_ANGLE, pos.y()), QVector3D(0, 0, 1));
CollisionHandler colHandler;
colHandler.SetMap(m_map);
colHandler.SetCoord(pos);
m_window.SetCollisionHandler(colHandler);
m_window.pushScene(scene);
}
QVector<QVector2D > GoogleMapWidget::generateTile(const QVector2D &position)
{
const QVector2D pixelPosition = position * Tile::SIZE;
return QVector<QVector2D >() <<
QVector2D(pixelPosition.x(), pixelPosition.y() + Tile::SIZE) << QVector2D(0, 1) <<
QVector2D(pixelPosition.x(), pixelPosition.y() ) << QVector2D(0, 0) <<
QVector2D(pixelPosition.x() + Tile::SIZE, pixelPosition.y() + Tile::SIZE) << QVector2D(1, 1) <<
QVector2D(pixelPosition.x() + Tile::SIZE, pixelPosition.y() ) << QVector2D(1, 0);
}
/**
* Compute the difference in angle that is normalized in the range of [0, PI].
* absolute == falseの時は、dir1の角度 - dir2の角度を[-PI, PI]で返却する。
*/
float Util::diffAngle(const QVector2D& dir1, const QVector2D& dir2, bool absolute) {
float ang1 = atan2f(dir1.y(), dir1.x());
float ang2 = atan2f(dir2.y(), dir2.x());
if (absolute) {
return fabs(normalizeAngle(ang1 - ang2));
} else {
return normalizeAngle(ang1 - ang2);
}
}
std::vector<float> BresenhamRayCaster::cast(QVector3D& location, QVector3D& direction, Volume& data, QVector2D& angle)
{
std::vector<float> samples;
float value = 0.0;
QVector3D current = QVector3D(location);
//Code to compute angle out of direction vector, now implemented as Parameter of this function, due computational expenses and accuraccy
/*
QVector2D xz_dir = QVector2D(direction.x(), direction.z());
double xz_angle = QVector2D().dotProduct(xz_dir.normalized(), QVector2D(0, 1));
xz_angle = acos(xz_angle) * 57.2957549;
*/
int width = data.width();
int height = data.height();
int depth = data.depth();
float factorX = cos(angle.y() * 0.0174533);
float factorZ = sin(angle.y() * 0.0174533);
float factorX_Y = cos(angle.x() * 0.0174533);
float factorX_Z = sin(angle.x() * 0.0174533);
int steps;
if (angle.x() > 0 || angle.y() > 0)
{
QVector3D a = QVector3D(data.width() * -factorZ, data.height() * direction.y(), data.depth() * -factorX);
QVector3D b = QVector3D(location.x() * -factorZ, location.y() * direction.y(), location.z() * -factorX);
//QVector3D a = QVector3D(data.width() * direction.x(), data.height() * factorX_Z, data.depth() * factorX_Y);
//QVector3D b = QVector3D(location.x() * direction.x(), location.y() * factorX_Z, location.z() * factorX_Y);
steps = (a.length() + QVector2D(a - b).length()) / direction.length(); //nicht weit genug gesampelt?
}
else
{
steps = data.depth() / direction.length();
}
int i = 0;
while (i < steps)
{
if (current.x() < 0 || current.x() >= width ||
current.y() < 0 || current.y() >= height ||
current.z() < 0 || current.z() >= depth)
samples.push_back(0);
value = data.value((int)current.x(), (int)current.y(), (int)current.z());
samples.push_back(value);
current += direction;
i++;
}
return samples;
}
const QVector2D NavigationMath::raySquareIntersection(
const QVector2D & point
, const float length)
{
const float ax = abs(point.x());
const float ay = abs(point.y());
if(ax >= ay) // intersection is with left or right border
return QVector2D(sign(point.x()), point.y() / ax) * length;
else // intersection is with bottom or top border
return QVector2D(point.x() / ay, sign(point.y())) * length;
}
/**
* Project latitude/longitude coordinate to world coordinate.
* Mercator projection cannot be used for this purpose, becuase
* it deforms the area especially in the high latitude regions.
* Hubeny's theorum should be used for this purpose, but not yet implemented yet.
*
* @param lat latitude
* @param lon longitude
* @param centerLat latitude of the center of the map
* @param centerLon longitude of the center of the map
* @return the world coordinate (Z coordinate is dummy.)
*/
QVector2D Util::projLatLonToMeter(const QVector2D &latLon, const QVector2D ¢erLatLon) {
QVector2D result;
double y = latLon.y() / 180 * M_PI;
double dx = (latLon.x() - centerLatLon.x()) / 180 * M_PI;
double dy = (latLon.y() - centerLatLon.y()) / 180 * M_PI;
double radius = 6378137;
result.setX(radius * cos(y) * dx);
result.setY(radius * dy);
return result;
}
float ControlAlgorithm::calcAngleFromVectors(QVector2D vec1,QVector2D vec2){
float angle;
//angle btwn 2 vectors:
//A · B = A B cos θ = |A||B| cos θ
//θ = cos-1(A · B/|A||B|)
angle = acos(QVector2D::dotProduct(vec1,vec2)/
(sqrt(vec1.x()*vec1.x()+vec1.y()*vec1.y())*sqrt(vec2.x()*vec2.x()+vec2.y()*vec2.y())))*180/3.1416;
return angle;
}
void ControlAlgorithm::drawToFrame(QVector2D kitePos, QVector2D heading){
kiteTracer.push_back(QVector2D(kitePos.x(),kitePos.y()));
if(kiteTracer.size()>150){
kiteTracer.pop_front();
}
//length of visual line vector
int lineLength = 120;
//still use recent kite x,y to keep an eye on the actual position
//of kite regardless if it has moved out of the bounding rect or not
//get handle to currentFrame so we can
//manipulate stuff on the image (draw paths etc.)
currentFrame = kiteColorTracker->getFrameHandle();
//test
if(currentFrame!=NULL){
cv::line(*currentFrame,cv::Point(kitePos.x(),kitePos.y()),cv::Point(kitePos.x()+lineLength*heading.x(),kitePos.y()+lineLength*heading.y()),
cv::Scalar(0,0,255),4);
cv::Point pointmem(0,0);
if(kiteTracer.size()>0)
pointmem=cv::Point(kiteTracer.at(0).x(),kiteTracer.at(0).y());
for(int j=0;j<kiteTracer.size();j++){
cv::line(*currentFrame,pointmem,cv::Point(kiteTracer.at(j).x(),kiteTracer.at(j).y()),cv::Scalar(0,255,0),1);
cv::circle(*currentFrame,cv::Point(kiteTracer.at(j).x(),kiteTracer.at(j).y()),2,cv::Scalar(255,0,0),1);
pointmem = cv::Point(kiteTracer.at(j).x(),kiteTracer.at(j).y());
}
//draw quadrants for visualization
cv::rectangle(*currentFrame,cv::Rect(Q1->getLeftX(),Q1->getTopY(),Q1->getRightX()-Q1->getLeftX(),Q1->getBottomY()-Q1->getTopY()),cv::Scalar(0,255,255));
cv::rectangle(*currentFrame,cv::Rect(Q2->getLeftX(),Q2->getTopY(),Q2->getRightX()-Q2->getLeftX(),Q2->getBottomY()-Q2->getTopY()),cv::Scalar(0,255,255));
cv::rectangle(*currentFrame,cv::Rect(Q3->getLeftX(),Q3->getTopY(),Q3->getRightX()-Q3->getLeftX(),Q3->getBottomY()-Q3->getTopY()),cv::Scalar(0,255,255));
cv::rectangle(*currentFrame,cv::Rect(Q4->getLeftX(),Q4->getTopY(),Q4->getRightX()-Q4->getLeftX(),Q4->getBottomY()-Q4->getTopY()),cv::Scalar(0,255,255));
cv::rectangle(*currentFrame,cv::Rect(Q5->getLeftX(),Q5->getTopY(),Q5->getRightX()-Q5->getLeftX(),Q5->getBottomY()-Q5->getTopY()),cv::Scalar(100,100,255));
// currentFrame=NULL;
}
}
void BBox2D::addPoint(const QVector2D &p) {
if (p.x() < corner0.x()) {
corner0.setX(p.x());
}
if (p.y() < corner0.y()) {
corner0.setY(p.y());
}
if (p.x() > corner1.x()) {
corner1.setX(p.x());
}
if (p.y() > corner1.y()) {
corner1.setY(p.y());
}
}
//Default implementation
void GameObject::updatePosition(float timeElapsed)
{
//For each frame, compute the new speed and position regarding the acceleration value
//and the time elapsed since the last computation
//Compute new position, with speed threshold, to avoid shaking effect of the sprite on low speeds
QVector2D tempSpeed = speed ;
if(abs(tempSpeed.x())<=4)
tempSpeed.setX(0);
if(abs(tempSpeed.y())<=4)
tempSpeed.setY(0);
position += (tempSpeed*timeElapsed + (1/2)*acceleration*timeElapsed*timeElapsed).toPointF();
//Compute new speed, with frictional resistance (typically 0.995) FIXME : the game seems laggy with a coeff friction...
speed = frictionCoef*speed + acceleration*timeElapsed;
if(speed.length()>=m_maxSpeed)
speed = m_maxSpeed*speed.normalized();
//Adjust position with the window borders
//WARN: Modulus operator does not work for floats
position.setX( position.x() - (float)((int)(position.x()/screenWidthGlobal))*screenWidthGlobal );
if(position.x()<0)
position.setX(position.x() + (float)screenWidthGlobal) ;
position.setY( position.y() - (float)((int)(position.y()/screenHeightGlobal))*screenHeightGlobal );
if(position.y()<0)
position.setY(position.y() + (float)screenHeightGlobal);
//Donatien: Is there a nicer way to saturate speed and acceleration?
//Same values for every objects or a configurable one?
}
void GameScene::advance() {
currentTime = time.elapsed();
if(firstStep) {
_dt = 0;
firstStep = false;
} else {
_dt = (currentTime - lastFrameTime) / 1000.0;
}
lastFrameTime = currentTime;
particlesToAdd += _dt * particlesPerSecond;
// Activate the next not yet active particle
if(currentParticleNumber < level()*100000 ) {
int particlesToAddNow = (int)particlesToAdd; // how many particles (integer number) to add this frame
for(int i = 0; i < particlesToAddNow; i++) {
Particle* particle = new Particle();
_particles.append(particle);
addItem(particle); // always add items before adjusting position (because they need a gameScene)
particle->setActive(true);
QVector2D particlePosition = generatorPosition;
particlePosition.setY(particlePosition.y() + random()*0.001);
particle->setPosition(particlePosition);
QVector2D particleVelocity = generatorVelocityDirection * generatorVelocityMagnitude;
particleVelocity.setX(particleVelocity.x() + random()*0.001);
particleVelocity.setY(particleVelocity.y() + random()*0.001);
particle->setVelocity(particleVelocity);
currentParticleNumber++; // Increase the global counter
particlesToAdd--; // For each added particle, remove one from the queue
}
}
QGraphicsScene::advance();
}
void GLWidget3D::mousePressEvent(QMouseEvent *event) {
QVector2D pos;
if (Qt::ControlModifier == event->modifiers()) {
controlPressed = true;
} else {
controlPressed = false;
}
this->setFocus();
lastPos = event->pos();
mouseTo2D(event->x(), event->y(), pos);
if (event->buttons() /*& Qt::LeftButton*/) {
switch (mainWin->mode) {
case MainWindow::MODE_AREA_SELECT:
if (altPressed) {
// normal Gaussian edition
float change=mainWin->controlWidget->ui.terrainPaint_changeSlider->value()*0.003f;
float radi=mainWin->controlWidget->ui.terrainPaint_sizeSlider->value()*0.01f;
if (event->buttons() & Qt::RightButton) {
change = -change;
}
if (event->buttons() & Qt::MiddleButton) {
change=FLT_MAX;//hack: flat terrain
}
//mainWin->urbanGeometry->vboRenderManager->addValue(pos.x(), pos.y(), change);
float xM=1.0f-(vboRenderManager.side/2.0f-pos.x())/vboRenderManager.side;
float yM=1.0f-(vboRenderManager.side/2.0f-pos.y())/vboRenderManager.side;
vboRenderManager.vboTerrain.updateTerrain(xM,yM,change,radi);//rad,change);
mainWin->urbanGeometry->adaptToTerrain();/// !! GEN did not have it here (enough in move?)
shadow.makeShadowMap(this);
updateGL();
} else {
// select a vertex or an edge
bool found = false;
if (shiftPressed) { // select am edge
// select a vertex or an edge
if (GraphUtil::getEdge(mainWin->urbanGeometry->roads, pos, 30, selectedEdgeDesc)) {
selectEdge(mainWin->urbanGeometry->roads, selectedEdgeDesc);
} else {
vertexSelected = false;
edgeSelected = false;
}
} else { // select a vertex
// select a vertex or an edge
if (GraphUtil::getVertex(mainWin->urbanGeometry->roads, pos, 30, selectedVertexDesc)) {
selectVertex(mainWin->urbanGeometry->roads, selectedVertexDesc);
} else {
vertexSelected = false;
edgeSelected = false;
}
}
}
break;
}
}
}
/**
* Calculates the distance between the two set points considering the resolution
* retrieved by the given metadata.
* The distance is calculated between the start point and end point.
* If the end point is not yet available, then the current point (curPoint) is used.
* \sa getDistanceInCm() getDistanceInInch()
**/
void DkDistanceMeasure::calculateStartEndDistance() {
if (points[0].isNull()) return;
// get the image resolution for distance calculation
x_res = 72; // markus: 72 dpi is the default value assumed
y_res = 72;
// >DIR: get metadata resolution if available [21.10.2014 markus]
if (metaData) {
QVector2D res = metaData->getResolution();
x_res = res.x();
y_res = res.y();
}
float length_x_inch, length_y_inch;
if (!points[1].isNull()) curPoint = points[1];
length_x_inch = abs(curPoint.x() - points[0].x()) / x_res;
length_y_inch = abs(curPoint.y() - points[0].y()) / y_res;
dist_inch = sqrt(length_x_inch * length_x_inch + length_y_inch * length_y_inch);
dist_cm = dist_inch * 2.54;
}
void GLWidget::mouseMoveEvent(QMouseEvent *e) {
float dx = (float)(e->x() - lastPos.x());
float dy = (float)(e->y() - lastPos.y());
lastPos = e->pos();
//float camElevation = camera->getCamElevation();
QVector2D pos;
mouseTo2D(e->x(), e->y(), &pos);
float dx2D = pos.x() - last2DPos.x();
float dy2D = pos.y() - last2DPos.y();
last2DPos = pos;
if (e->buttons() & Qt::LeftButton) {
selectedArea.addPoint(last2DPos);
} else if (e->buttons() & Qt::MidButton) { // Shift the camera
camera->changeXYZTranslation(-dx * camera->dz * 0.001f, dy * camera->dz * 0.001f, 0);
} else if (e->buttons() & Qt::RightButton) { // Zoom the camera
setCursor(Qt::SizeVerCursor);
camera->changeXYZTranslation(0, 0, -dy * camera->dz * 0.02f);
if (camera->dz < MIN_Z) camera->dz = MIN_Z;
if (camera->dz > MAX_Z) camera->dz = MAX_Z;
// tell the Z coordinate to the road graph so that road graph updates rendering related variables.
roads.setZ(camera->dz);
lastPos = e->pos();
}
last2DPos = pos;
updateGL();
}
