build method

Implementation

@override
	Widget build(BuildContext context, PositionModel model) => Column(
  crossAxisAlignment: CrossAxisAlignment.stretch,
  children: [
    PageHeader(
      pageIndex: index,
      children: [
        // The header at the top
        const SizedBox(width: 8),
        Text("Drive", style: context.textTheme.headlineMedium),
        const Spacer(),
      ],
    ),
    const SizedBox(height: 4),
    Expanded(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: [
          Expanded(
            child: Column(children: [
              const Text(
                "Front View",
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.bold,
                ),
              ),
              Expanded(child: Transform.rotate(

		     angle: model.position.roll * (pi/180),
                   child: Image.asset("assets/rover_front.png"),
              ),),
            ],),
          ),
          Expanded(
            child: Column(children: [
              const Text(
                "Side View",
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.bold,
                ),
              ),
              Expanded(child: Transform.rotate(
                   angle: model.position.pitch * (pi/180),
                   child: Image.asset("assets/rover_side.png", scale: 0.5),
              ),),
            ],),
          ),
        ],
      ),
    ),
    Expanded(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: [
          Expanded(child: _Wheels(wheels: model.wheelsRPM, colors: model.wheelColors)),
          Expanded(child: _BarChart(values: [model.leftWheels, model.rightWheels])),
        ],
      ),
    ),
  ],
);