tch.zip_android_android小游戏_religiousf6w_structure978_贪吃蛇Android

package com.example.android.snake; import java.util.ArrayList; import java.util.Random; import java.util.StringTokenizer; import android.content.Context; import android.content.SharedPreferences; import android.content.res.Resources; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.AttributeSet; import android.util.Log; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.view.View.OnClickListener; public class SnakeView extends BasicView implements OnClickListener{ private int mMode = READY; public static final int READY = 1; public static final int RUNNING = 2; // /////////////20160511//////////////// public static final int PAUSE = 0; public static final int LOSE = 3; private int mDirection = NORTH; private int mNextDirection = NORTH; private static final int NORTH = 1; private static final int SOUTH = 2; private static final int EAST = 3; private static final int WEST = 4; // /////////////20160511//////////////// private static final int RED_STAR = 1; private static final int YELLOW_STAR = 2; private static final int GREEN_STAR = 3; private static final int APPLE = 4; private long mMoveDelay = 100; private long mLastMove; int score=0; // /////////////////20160510///////////////// private ArrayList<Coordinate> mSnakeTrail = new ArrayList<Coordinate>(); // //////////////////////20160517////////////////////// private ArrayList<Coordinate> mAppleList = new ArrayList<Coordinate>(); ///////////////////////////0518////////////////////////////////////// private TextView mstatusText; public void setTextView(TextView textView) { mstatusText=textView; } ///////////////////////////0518/////////////////////////////////// private Button mStart; // 下面的五个按钮分别是我加的。因为原来的只能响应上下左右键的操作。 //这边是满足触屏的操作效果。可以在布局文件中看相关的布局。 private Button mLeft; private Button mRight; private Button mTop; private Button mBottom; public void setStartButton(Button button) { mStart = button; mStart.setOnClickListener(this); } private static final Random RNG = new Random(); private class Coordinate { public int x; public int y; public Coordinate(int newX, int newY) { x = newX; y = newY; } public boolean equals(Coordinate other) { if (x == other.x && y == other.y) { return true; } return false; } @Override public String toString() { return "Coordinate: [" + x + "," + y + "]"; } } // /////////////////20160510///////////////// private MyHandler mHandler = new MyHandler(); private String d; private int index; private Object localSharedPreferences; class MyHandler extends Handler { @Override public void handleMessage(Message msg) { SnakeView.this.update(); SnakeView.this.invalidate(); } public void sleep(long delayMillis) { this.removeMessages(0); sendMessageDelayed(obtainMessage(0), delayMillis); } }; public SnakeView(Context context, AttributeSet attrs) { super(context, attrs); // ///////////////////////20160504////////////////////////// initSnakeView(); } public SnakeView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // ///////////////////////20160504////////////////////////// initSnakeView(); } // ///////////////////////20160504////////////////////////// private void initSnakeView() { setFocusable(true); Resources r = this.getContext().getResources(); resetPic(5); loadPic(RED_STAR, r.getDrawable(R.drawable.redstar)); loadPic(YELLOW_STAR, r.getDrawable(R.drawable.yellowstar)); loadPic(GREEN_STAR, r.getDrawable(R.drawable.greenstar)); loadPic(APPLE, r.getDrawable(R.drawable.apple)); } // ///////////////////////20160504////////////////////////// private void initNewGame() { mMoveDelay = 600; // /////////////////20160510///////////////// mSnakeTrail.clear(); mSnakeTrail.add(new Coordinate(7, 7)); mSnakeTrail.add(new Coordinate(6, 7)); mSnakeTrail.add(new Coordinate(5, 7)); mSnakeTrail.add(new Coordinate(4, 7)); mSnakeTrail.add(new Coordinate(3, 7)); mSnakeTrail.add(new Coordinate(2, 7)); // /////////////////20160510///////////////// // ////////////////20160511///////////////////// mNextDirection = NORTH; // //////////////////20160517////////////////////// // 添加苹果 mAppleList.clear(); addRandomApple(); addRandomApple(); } // ////////////////////20160517//////////////////////////// private void addRandomApple() { // TODO Auto-generated method stub Coordinate newCoord = null; // // int newX = 1 + RNG.nextInt(xCount - 2); // int newY = 1 + RNG.nextInt(yCount - 2); // // newCoord = new Coordinate(newX, newY); // // mAppleList.add(newCoord); boolean found = false; ///循环结束的条件是什么？ while (!found) { int newX = 1 + RNG.nextInt(xCount - 2); int newY = 1 + RNG.nextInt(yCount - 2); newCoord = new Coordinate(newX, newY); boolean collision = false; int snakelength = mSnakeTrail.size(); for (int i = 0; i < snakelength; i++) { if (mSnakeTrail.get(i).equals(newCoord)) { collision = true; } } //生成的苹果与原有苹果位置重合 for(int j=0;j<mAppleList.size();j++) { if(mAppleList.get(j).equals(newCoord)) { collision=true; } } found = !collision; } //作者写的时候没有考虑新的苹果坐标与原有的苹果坐标相重合的事 mAppleList.add(newCoord); } @Override public boolean onKeyDown(int keyCode, KeyEvent msg) { if (keyCode == KeyEvent.KEYCODE_DPAD_UP) { if (mMode == READY | mMode == LOSE) { initNewGame(); setMode(RUNNING); update(); return (true); } if (mDirection != SOUTH) { mNextDirection = NORTH; } return (true); } if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { if (mDirection != NORTH) { mNextDirection = SOUTH; } return (true); } if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) { if (mDirection != EAST) { mNextDirection = WEST; } return (true); } if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) { if (mDirection != WEST) { mNextDirection = EAST; } return (true); } return super.onKeyDown(keyCode, msg); } public int getGameState() { return mMode; } public void setMode(int newMode) { int oldMode = mMode; mMode = newMode; // if (newMode == RUNNING & oldMode != RUNNING) { // update(); // return; // } // if (newMode == RUNNING & oldMode != RUNNING) { mstatusText.setVisibility(View.INVISIBLE); mStart.setVisibility(View.INVISIBLE); update(); return; } /** * 非运行状态时，文本显示内容有几种情况 * 1、ready状态，提示按UP键开始游戏 * 2、Pause状态，提示按UP键接着进行、 * 3、如果是Lose状态，提示失败，显示得分，提示重新开始 * */ Resources res = getContext().getResources(); CharSequence str = ""; if (newMode == PAUSE) { str = "Press Start to resume"; } if (newMode == READY) { str = "Press Start to play"; } if (newMode == LOSE) { str ="Game over\n Score=" +score + "\n Press Start to play"; } mstatusText.setText(str); mstatusText.setVisibility(View.VISIBLE); mStart.setVisibility(View.VISIBLE); mLeft.setVisibility(View.INVISIBLE); mRight.setVisibility(View.INVISIBLE); mTop.setVisibility(View.INVISIBLE); mBottom.setVisibility(View.INVISIBLE); } //设计暂停时保存 public Bundle saveState() { Bundle map = new Bundle(); map.putIntArray("mAppleList", coordArrayListToArray(mAppleList)); map.putInt("mDirection", Integer.valueOf(mDirection)); map.putInt("mNextDirection", Integer.valueOf(mNextDirection)); map.putLong("mMoveDelay", Long.valueO