An indie game developer is deciding whether to use a built-in physics subprogram library provided by their game engine, or to write their own user-devised subprograms to handle collision detection.
Describe two advantages to the developer of choosing the built-in library routines over writing their own user-devised subprograms for this task.
29 exam-style questions on Edexcel GCSE Computer Science Subprograms, covering Built-in and user-devised subprograms, Functions versus procedures, and Global and local variables. Each one has a worked solution and a mark scheme showing where the marks go.