CameraSensor should_scale_pixel_size
CameraSensor no longer has default pixel size
ignore *.png files
added Camera abstraction
CameraSensor is centred at Z-axis
LensTest central_ray_should_pass_through
LensTest parallel_rays_should_pass_through_the_focal_point
RaytraceTest should_trace_using_lens
refactored ThinLens
LensTest DISABLED_rays_passing_though_the_focal_point_should_become_parallel
LensTest ray_passing_thru_the_center_at_an_angle_should_pass_through
LensTest rays_passing_though_the_focal_point_should_become_parallel
parametrised Camera lens type
TwoElementCameraLensTest should_rotate_and_scale_the_image
extracted distribution from CameraSensor
CameraSensorTest should_use_the_distribution
spike circular distribution
scene with focus