Simulation of virus spread

Simulation for spread of a virus. 

White are susceptible and yellow are infected people.

The people move around the area randomly in a fixed area, and it is always in a scene of 20 people, with one extra person infected.

Any susceptible within the range of a infected person have a certain probability of getting infected (current average mask effectiveness of general mask used in public) the longer they are in each other's range. 

They have a chance of getting detected and removed when infected due to persistent checks (random probability for now) and they are all removed in 2 weeks time (usually when symptoms appear) - which is 20 seconds in the simulation. 

Movement restrictions depend on the situation (Eg Circuit Breaker, Heightened phase 2)

Spawn new units (ranging from 1-20 units) with the slider and pressing the button

The recovery button enables and disables recovery within the scene.

BACKSPACE - Remove settings/ UI or reappear again

P - Pause/ Play

R - Restart