如何使用java中的新值更新繪製的矩形

Question

我製作了一個非常簡單的Pokémon戰鬥模擬器，我開始升級它。通過升級它，我的意思是以非常簡約的方式（至少在我的腦海裏）。此升級包括創建兩個HP條以伴隨我的控制檯輸出。我的問題是我不知道如何讓他們與神奇寶貝的HP更新中...

這是我認爲的代碼，直接關係到它：

我BattleHandler： 包com.mrmewniverse .pokemon.battle;

import java.util.Random; 

import com.mrmewniverse.pokemon.pokemon.Pokemon; 

public class BattleHandler { 

    private static Pokemon fasterPokemon; 
    private static Pokemon slowerPokemon; 

    public BattleHandler() {} 

    public void initiateBattle(Pokemon par1Poke, Pokemon par2Poke) { 
     System.out.println("Battle initiated!\n\n"); 
     BattleHandler.calculateFasterPokemon(par1Poke, par2Poke); 

     try { 
      while (fasterPokemon.getCurrentHealth() > 0 && slowerPokemon.getCurrentHealth() > 0) { 
       Thread.sleep(400); 

       fasterPokemon.attack(slowerPokemon); 
       System.out.println(fasterPokemon.getPokeName() + " attacked " + slowerPokemon.getPokeName() + " with " + fasterPokemon.getMoveUsed().getMoveName() + " dealing " 
       + fasterPokemon.getLastDamageDealt() + " damage\n"); 

       Thread.sleep(50); 

       if (fasterPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 2F || fasterPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 4F) 
        System.out.println("It's super effective!\n"); 
       else if (fasterPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 0.5F || fasterPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 0.25F) 
        System.out.println("It's not very effective...\n"); 

       Thread.sleep(400); 

       if (fasterPokemon.getCurrentHealth() <= 0 || slowerPokemon.getCurrentHealth() <= 0) { 
        this.endBattle(fasterPokemon, slowerPokemon); 
        break; 
       } 

       Thread.sleep(400); 

       slowerPokemon.attack(fasterPokemon); 
       System.out.println(slowerPokemon.getPokeName() + " attacked " + fasterPokemon.getPokeName() + " with " + slowerPokemon.getMoveUsed().getMoveName() + " dealing " 
       + slowerPokemon.getLastDamageDealt() + " damage\n"); 

       Thread.sleep(50); 

       if (slowerPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 2F || slowerPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 4F) 
        System.out.println("It's super effective!\n"); 
       else if (slowerPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 0.5F || slowerPokemon.getMoveUsed().getWeaknessResistanceMuliplier() == 0.25F) 
        System.out.println("It's not very effective...\n"); 

       Thread.sleep(400); 

       if (fasterPokemon.getCurrentHealth() <= 0 || slowerPokemon.getCurrentHealth() <= 0) { 
        this.endBattle(fasterPokemon, slowerPokemon); 
        break; 
       } 
      } 
     } catch (InterruptedException e) { 
      e.printStackTrace(); 
     } 
    } 

    private static void calculateFasterPokemon(Pokemon par1Poke, Pokemon par2Poke) { 
     if (par1Poke.getPokeStats().getPokeSpeed() == par2Poke.getPokeStats().getPokeSpeed()) { 
      Random random = new Random(); 

      int randNum = random.nextInt(3 - 1) + 1; 

      if (randNum == 1) { 
       fasterPokemon = par1Poke; 
       slowerPokemon = par2Poke; 
      } 
      if (randNum == 2) { 
       fasterPokemon = par2Poke; 
       slowerPokemon = par1Poke; 
      } 
     } else { 
      if (par1Poke.getPokeStats().getPokeSpeed() > par2Poke.getPokeStats().getPokeSpeed()) { 
       fasterPokemon = par1Poke; 
       slowerPokemon = par2Poke; 
      } else if (par2Poke.getPokeStats().getPokeSpeed() > par1Poke.getPokeStats().getPokeSpeed()) { 
       fasterPokemon = par2Poke; 
       slowerPokemon = par1Poke; 
      } 
     } 
    } 

    private void endBattle(Pokemon par1Poke, Pokemon par2Poke) { 
     try { 
      System.out.println("\nBattle finished!"); 

      Thread.sleep(400); 

      if (par2Poke.getCurrentHealth() <= 0) 
       System.out.println("\n" + par1Poke.getPokeName() + " won the battle!"); 
      else if (par1Poke.getCurrentHealth() <= 0) 
       System.out.println("\n" + par2Poke.getPokeName() + " won the battle!"); 
     } catch (InterruptedException e) { 
      e.printStackTrace(); 
     } 
    } 
} 

我的待執行類： 包com.mrmewniverse;

import javax.swing.JFrame; 

import com.mrmewniverse.pokemon.battle.BattleHandler; 
import com.mrmewniverse.pokemon.dex.PokeDex; 
import com.mrmewniverse.pokemon.pokemon.Pokemon; 

@SuppressWarnings("serial") 
public class Start extends JFrame { 

    static Pokemon poke1 = PokeDex.BULBASAUR; 
    static Pokemon poke2 = PokeDex.CHARMANDER; 
    static Pokemon poke3 = PokeDex.SQUIRTLE; 

    public static Board board = new Board(poke1); 

    public Start() { 
     this.setSize(500, 290); 
     this.setDefaultCloseOperation(EXIT_ON_CLOSE); 
     this.setLocationRelativeTo(null); 

     this.add(board); 

     this.setVisible(true); 
    } 

    public static void main (String[] args) { 
     new Start(); 

     BattleHandler battle = new BattleHandler(); 
     battle.initiateBattle(poke1, poke2); 
    } 
} 

而我的板級： package com.mrmewniverse;

import java.awt.Color; 
import java.awt.Graphics; 

import javax.swing.JPanel; 

import com.mrmewniverse.pokemon.pokemon.Pokemon; 

@SuppressWarnings("serial") 
public class Board extends JPanel { 

    private int health; 
    private int maxHealth; 

    public Board(Pokemon par1Poke) { 
     this.health = par1Poke.getCurrentHealth(); 
     this.maxHealth = par1Poke.getPokeStats().getPokeMaxHealth(); 
    } 

    @Override 
    public void paint(Graphics g) { 
     super.paint(g); 

     g.setColor(Color.GRAY); 
     g.fillRect(2, 2, 200, 20); 

     int healthScale = health/maxHealth; 
     g.setColor(Color.GREEN); 
     g.fillRect(2, 2, 200 * healthScale, 20); 
    } 
} 

隨意批評我對我的編碼，我需要的幫助XD

Answer 1

這是我的修訂代碼：

第一，而不是用我所用的paintComponent paint（）方法（）方法

清楚，解決我的問題（「它不斷顯示即使其更新的灰色條」） 注*董事會被更新，但你必須通過調用 更新（口袋妖怪CurrentPokemon）甲基手動更新OD;

public class Board extends JPanel { 

private int health; 
private int maxHealth; 

public Board(Pokemon par1Poke) { 
    this.health = par1Poke.getCurrentHealth(); 
    this.maxHealth = par1Poke.getPokeStats().getPokeMaxHealth(); 
} 

@Override 
public void paintComponent(Graphics g) { 
    super.paint(g); 

    g.setColor(Color.GRAY); 
    g.fillRect(2, 2, 200, 20); 

    g.setColor(Color.GREEN); 
    g.fillRect(2, 2, 200 *(health/maxHealth) , 20); 
} 

    public void update(Pokemon Poke1) { 
    health = Poke1.getCurrentHealth(); 
    maxHealth = Poke1.getPokeStats().getPokeMaxHealth(); 
} 

}

然後在你的主

public class Start extends JFrame { 

static Pokemon poke1 = PokeDex.BULBASAUR; 
static Pokemon poke2 = PokeDex.CHARMANDER; 
static Pokemon poke3 = PokeDex.SQUIRTLE; 

public static Board board = new Board(poke1); 

public Start() { 
    this.setSize(500, 290); 
    this.setDefaultCloseOperation(EXIT_ON_CLOSE); 
    this.setLocationRelativeTo(null); 

    this.add(board); 

    this.setVisible(true); 
} 

public static void main (String[] args) { 
    new Start(); 

    BattleHandler battle = new BattleHandler(); 
    battle.initiateBattle(poke1, poke2) ; 
    board.update(poke1); 
} 

}

那麼肯定這不是最好的解決方案，它的一切我能想到

我得到了你的代碼並實施了我的，Download this and run.這可能是你想要的