paper_scissor_rock.dart

import 'dart:math';

import 'package:flutter/material.dart';
import 'package:game/util.dart';
import 'package:game/style.dart';

class PaperScissorRock extends StatefulWidget {
  @override
  _PaperScissorRockState createState() => _PaperScissorRockState();
}

class _PaperScissorRockState extends State<PaperScissorRock> {
  bool youWin = true;
  var player = 0;
  var computerPlayer = 0;
  String result = "";
  String winner = "", action = "", loser = "";
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          "Hand Paper Scissor",
        ),
        backgroundColor: Colors.green,
      ),
      body: Container(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: [
            Text(
              "$result",
              style: TextStyle(
                fontSize: screenWidth(context, 5),
              ),
            ),
            Text(
              " $winner $action $loser",
              style: youWin
                  ? TextStyle(
                      color: Colors.green,
                      fontSize: screenWidth(context, 3),
                    )
                  : TextStyle(
                      color: Colors.red,
                      fontSize: screenWidth(context, 3),
                    ),
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                Text("You",
                    style: TextStyle(
                      fontSize: screenWidth(context, 4),
                    )),
                Text(
                  "Computer",
                  style: TextStyle(
                    fontSize: screenWidth(context, 4),
                  ),
                ),
              ],
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                Text(
                  "$player",
                  style: player > computerPlayer
                      ? playerLead(context)
                      : player == computerPlayer
                          ? equal(context)
                          : computer(context),
                ),
                Text(
                  "$computerPlayer",
                  style: computerPlayer > player
                      ? playerLead(context)
                      : player == computerPlayer
                          ? equal(context)
                          : computer(context),
                ),
              ],
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                GestureDetector(
                    onTap: () => play(1),
                    child: Container(
                      color: Colors.green,
                      height: screenHeight(context, 7),
                      width: screenWidth(context, 20),
                      child: Center(
                          child: Text(
                        "Paper",
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: screenWidth(context, 3),
                        ),
                      )),
                    )),
                GestureDetector(
                    onTap: () => play(2),
                    child: Container(
                      color: Colors.green,
                      height: screenHeight(context, 7),
                      width: screenWidth(context, 20),
                      child: Center(
                          child: Text(
                        "Scissor",
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: screenWidth(context, 3),
                        ),
                      )),
                    ))
              ],
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                GestureDetector(
                    onTap: () => play(2),
                    child: Container(
                      color: Colors.green,
                      height: screenHeight(context, 7),
                      width: screenWidth(context, 20),
                      child: Center(
                          child: Text(
                        "Rock",
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: screenWidth(context, 3),
                        ),
                      )),
                    )),
                GestureDetector(
                    onTap: reset,
                    child: Container(
                      color: Colors.green,
                      height: screenHeight(context, 7),
                      width: screenWidth(context, 20),
                      child: Center(
                          child: Text(
                        "Reset",
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: screenWidth(context, 3),
                        ),
                      )),
                    ))
              ],
            )
          ],
        ),
      ),
    );
  }
void play(int index){}
void reset(){}
}