Build instructions

mkdir build cd build cmake ../ make -j8

Usage

./inOneWeekend

For extra options, run:

./inOneWeekend -h
Usage: ./inOneWeekend [-h]
Options:
  -h, --help		Show this help message
  -w, --width		Set image width
  -s, --samples		Set samples per pixel
  -d, --depth		Set max depth

Choices that deviate from the tutorial

• Choose extensions .cxx and .hpp (as ooposed to .cc and .h in book)
• Avoiding 'using std::xyz'
• Prefer the spelling colour
• Bump minimum C++ standard to C++14 (for better constexpr support)