Method ProjectionDemo

examples/internals/ProjectionSample.cpp:48–51

class ProjectionDemo {
  public:
    ProjectionDemo(double zNear, double zFar)
        : ProjectionDemo(
              zNear, zFar,
              computeSymmetricFOVRect(50. * degrees, 40. * degrees, zNear)) {}
    ProjectionDemo(double zNear, double zFar, osvr::util::Rectd &&inputRect)
        : near(zNear), far(zFar), rect(std::move(inputRect)) {
        xBounds.assign({-1, 1});