prop.java

来自「基于J2ME的手机游戏软件。可以控制游戏人物在地图上上下左右行走；可以在地图上放」· Java 代码 · 共 123 行

import javax.microedition.lcdui.Graphics;

public class Prop {
  public static final int REMAIN_CYC = 100;
  public static final int FLASH_CYC = 30;

  private int posX;
  private int posY;
  private int remainCyc;
  private int model;
  private ImageSet imageSet;
  private World world;
  private boolean isShow;
  private boolean isExist;
  private boolean flash;
  private int clock;

  public Prop(World world, int x, int y, int model) {
    this.world = world;
    imageSet = world.getImageSet();
    init(x, y, model);
  }

  public void init(int x, int y, int model) {
    posX = x;
    posY = y;
    this.model = model;
    remainCyc = REMAIN_CYC;
    isShow = true;
    isExist = true;
    flash = false;
    clock = 0;
  }

  public void render(Graphics gra) {
    if (isShow && isExist) {
      if (remainCyc < FLASH_CYC) {
        clock++;
        if (clock > 3) {
          flash = !flash;
          clock = 0;
        }
      }
      if (remainCyc >= FLASH_CYC || flash) {
        switch (model) {
          case World.PROP_TYPE_STAR:
            imageSet.draw(gra, World.PROP_STAR, 0, posX - world.getViewX()
                          , posY - world.getViewY()
                          , Graphics.TOP | Graphics.LEFT);
            break;
          case World.PROP_TYPE_MONEY:
            imageSet.draw(gra, World.PROP_MONEY, 0, posX - world.getViewX()
                          , posY - world.getViewY()
                          , Graphics.TOP | Graphics.LEFT);
            break;
          case World.PROP_TYPE_LIGHTING:
            imageSet.draw(gra, World.PROP_LIGHTING, 0, posX - world.getViewX()
                          , posY - world.getViewY()
                          , Graphics.TOP | Graphics.LEFT);
            break;
          case World.PROP_TYPE_LIFE:
            imageSet.draw(gra, World.PROP_LIFE, 0, posX - world.getViewX()
                          , posY - world.getViewY()
                          , Graphics.TOP | Graphics.LEFT);
            break;
        }
      }
    }
  }

  public void cycle() {
    remainCyc--;
    if (remainCyc < 0) {
      isExist = false;
    }
    if (posX - world.getViewX() > world.getViewWidth() + 30
        || posX < world.getViewX() - 30
        || posY - world.getViewY() > world.getViewHeight() + 30
        || posY < world.getViewY() - 30) {
      isShow = false;
    }
    else {
      isShow = true;
    }
  }

  public void action() {
    if (isExist == true) {
      isExist = false;
      switch (model) {
        case World.PROP_TYPE_STAR:
          world.getActor().addBombNum();
          break;
        case World.PROP_TYPE_MONEY:
          world.addScore(1000);
          break;
        case World.PROP_TYPE_LIGHTING:
          world.getActor().addPower();
          break;
        case World.PROP_TYPE_LIFE:
          world.addPlayerLife();
          break;
      }
    }
  }

  public boolean isExist() {
    return isExist;
  }

  public boolean isShow() {
    return isShow;
  }

  public int getX() {
    return posX;
  }

  public int getY() {
    return posY;
  }
}