void testUniformVolumeUnitSphere() { Plot2D plot( output_path + "/random_volume_sphere.png", plot_size, plot_size ); float x = 0.0f, y = 0.0f, z = 0.0f; for( auto i = 0; i < points_per_plot; i++ ) { rng.uniformVolumeUnitSphere( x, y, z ); plot.addPoint( x, y ); } }