Partial build Method implementation for Flutter Implementation of Google Chrome Dino Game

main.dart

Rect dinoRect = dino.getRect(screenSize, 0);
return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Stack(
        alignment: Alignment.center,
        children: [
           Positioned(
            left: dinoRect.left,
            top: dinoRect.top,
            width: dinoRect.width,
            height: dinoRect.height,
            child: dino.render(),
          )
        ],
      ),
    );