void TerrainView::paintEvent(QPaintEvent *e)
{
Q_D(TerrainView);
auto size = this->size();
SceneDefinition def;
def.cameraDir = QVector3D(std::cos(d->yaw_) * std::cos(d->pitch_),
std::sin(d->yaw_) * std::cos(d->pitch_),
std::sin(d->pitch_));
def.eye = d->centerPos_ - def.cameraDir;
def.viewWidth = size.width() / d->scale_;
def.viewHeight = size.height() / d->scale_;
auto img = d->render(size, def);
QPainter painter(this);
painter.drawImage(0, 0, img);
if (d->viewOptions.axises) {
QPointF axisPos(40, size.height() - 50);
QPointF axisX(d->rightVector.x(), d->upVector.x());
QPointF axisY(d->rightVector.y(), d->upVector.y());
QPointF axisZ(d->rightVector.z(), d->upVector.z());
float axisLen = 18.f;
auto drawText = [&](QString text, QPointF origin, QPointF dir) {
dir *= 1.f / std::sqrt(dir.x() * dir.x() + dir.y() * dir.y());
origin += dir * 12.f;
QRectF r(origin.x() - 100.f, origin.y() - 100.f, 200.f, 200.f);
QTextOption opt;
opt.setAlignment(Qt::AlignCenter);
painter.drawText(r, text, opt);
};
painter.setPen(qRgb(0, 0, 255));
painter.drawLine(axisPos, axisPos + axisZ * axisLen);
drawText("Z", axisPos + axisZ * axisLen, axisZ);
painter.setPen(qRgb(255, 0, 0));
painter.drawLine(axisPos, axisPos + axisX * axisLen);
drawText("X", axisPos + axisX * axisLen, axisX);
painter.setPen(qRgb(0, 255, 0));
painter.drawLine(axisPos, axisPos + axisY * axisLen);
drawText("Y", axisPos + axisY * axisLen, axisY);
}
emit clientPaint(e);
}
bool Cylinder::Interpolate(const MiscLib::Vector< Cylinder > &cylinders,
const MiscLib::Vector< float > &weights, Cylinder *ic)
{
Vec3f axisPos(0, 0, 0);
Vec3f axisDir(0, 0, 0);
float r = 0;
for(size_t i = 0; i < cylinders.size(); ++i)
{
axisPos += weights[i] * cylinders[i].AxisPosition();
axisDir += weights[i] * cylinders[i].AxisDirection();
r += weights[i] * cylinders[i].Radius();
}
axisDir.normalize();
return ic->Init(axisDir, axisPos, r);
}
