RUNS: Several fixes listed below.

- Finished with drawing blood splatter at the correct locations
- Monsters now stop when in range to hurt the player
- There should be only one random number generator now
- Fixed a bug where the player would shoot backwards if the mouse aim was inside his bounding circle
RUNS: A lot of small additions:

- added new intersection check function for line-circle
- moved all input callbacks to another file
- split bonus and weapon pickups