Simulation mesh wrapped into step_sim

step_sim_wrapper.go

// I like my main func to be clean and short
func main() {
	simMesh := getSimulationMesh()

	// Run the mesh in a step simulation
	step_sim.NewApp(simMesh, initSim).Run()
}

// Here is our step_sim wrapper, it provides REPL and some built-in commands: pause, resume, exit, help
func NewApp(fm *fmesh.FMesh, simInitFunc SimInitFunc) *Application {
	cmdChan := make(chan Command)
	ctx, cancel := context.WithCancel(context.Background())

	app := &Application{
		ctx:     ctx,
		cancel:  cancel,
		cmdChan: cmdChan,
		REPL:    NewREPL(cmdChan),
		sim:     NewSimulation(ctx, cmdChan, fm).Init(simInitFunc),
	}

	return app
}