# Simulation

Simulation is based on two independent loops: rendering and simulation. Simulation loop updates model of the battle while rendering loop reads a state of the model and visualize it. Keeping them independent allows avoiding unwanted interferences. It is also possible to easily replace rendering layer or even turn it completely off.

![Overview](../../../img/puml/overview.png)

Before model and view can be started, the `Simulation` object must be properly initialised. Following diagram shows details of initialisation and loop calls:

![Simulation sequence diagram](../../../img/puml/sim_seq.png)