///// zoomFit /////////////////////////////////////////////////////////////////
void GLView::zoomFit(const bool update)
/// Calculates zPos so that the scene fits in the current window
/// It uses the result of boundingSphereRadius, a pure virtual
{
///// determine the radius of the bounding sphere
maxRadius = boundingSphereRadius();
///// calculate the camera position
if(baseParameters.perspectiveProjection)
{
if(width() > height())
zPos = maxRadius/tan(fieldOfView)/1.5f;
else
zPos = maxRadius/tan(fieldOfView)/1.5f * static_cast<float>(height())/static_cast<float>(width());
if(zPos < 0.1f)
zPos = 0.1f;
}
else
{
zPos = 1.0f;
resizeGL(width(), height());
}
///// update the scene
updateFog(maxRadius);
if(update)
updateGL();
setModified();
}
void State::updateAll(void)
{
updateMatrices();
updateMaterial();
updateLight();
updateTexture();
updateFog();
}
