安卓小游戏，重写像素鸟游戏，安卓移动开发课程设计/Android期末大作业

package com.zhixin.flappybird.view; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.RectF; import android.util.AttributeSet; import android.util.Log; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.widget.Button; import com.zhixin.flappybird.GameActicity; import com.zhixin.flappybird.MainActivity; import com.zhixin.flappybird.R; import com.zhixin.flappybird.objects.Brid; import com.zhixin.flappybird.objects.Floor; import com.zhixin.flappybird.objects.Pipe; import com.zhixin.flappybird.tool.GlobeVar; import com.zhixin.flappybird.tool.MyEnum; import com.zhixin.flappybird.tool.Util; import java.util.ArrayList; import java.util.List; import java.util.logging.Handler; public class GameView extends SurfaceView implements SurfaceHolder.Callback, Runnable { private GameActicity gameActicity; private Paint paint; private Canvas mc; private GameStatus status = GameStatus.RUNNING; private Thread gameThread; private Brid brid; private Bitmap[] bridBitmap; // 小鸟图片 private Bitmap[] mNumBitmap; // 数字数组 private int mSingleGradeHeight; private int mSingleGradeWidth; private List<Pipe> pipes = new ArrayList<>(); // 地图管道的集合，也是障碍物 private final int WIDTH = Util.dp2px(getContext(), 60); // 管道的宽度 private final int PIPSPACE = Util.dp2px(getContext(), 200); // 管道相互之间的距离 private int SPEED = Util.dp2px(getContext(), 3); // 管道和地面向左移动的速度 private List<Floor> floors = new ArrayList<>(); // 地面版图的集合 private Boolean aSpeed = false; // 运行加速的标志 private final int meijifenjiasu = 5; private final int xiaoniaoshangtiao = 32; @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); Log.i(MyEnum.tip.getName(), "onSizeChanged"); for (int i = 0; i < 3; i++) { Floor f = new Floor(loadImageByResId(R.mipmap.ground), getWidth() * i); floors.add(f); } brid = new Brid(getContext(), getHeight(), bridBitmap); Pipe p = new Pipe(loadImageByResId(R.mipmap.top), loadImageByResId(R.mipmap.last), getWidth() / 2 - WIDTH / 2, getHeight()); pipes.add(p); for (int i = 0; i < 5; i++) { int x = pipes.get(pipes.size() - 1).getX(); Pipe p1 = new Pipe(loadImageByResId(R.mipmap.top), loadImageByResId(R.mipmap.last), x + PIPSPACE, getHeight()); pipes.add(p1); } mSingleGradeHeight = (int) (h * 1 / 15f); mSingleGradeWidth = (int) (mSingleGradeHeight * 1.0f / mNumBitmap[0].getHeight() * mNumBitmap[0].getWidth()); } private void initBitmap() { bridBitmap = initBridBitmap(); mNumBitmap = initNumBitmap(); } private Bitmap[] initNumBitmap() { Bitmap[] b = new Bitmap[10]; b[0] = (loadImageByResId(R.drawable.n0)); b[1] = (loadImageByResId(R.drawable.n1)); b[2] = (loadImageByResId(R.drawable.n2)); b[3] = (loadImageByResId(R.drawable.n3)); b[4] = (loadImageByResId(R.drawable.n4)); b[5] = (loadImageByResId(R.drawable.n5)); b[6] = (loadImageByResId(R.drawable.n6)); b[7] = (loadImageByResId(R.drawable.n7)); b[8] = (loadImageByResId(R.drawable.n8)); b[9] = (loadImageByResId(R.drawable.n9)); return b; } private Bitmap[] initBridBitmap() { Bitmap[] b = new Bitmap[3]; b[0] = (loadImageByResId(R.mipmap.g1)); b[1] = (loadImageByResId(R.mipmap.g2)); b[2] = (loadImageByResId(R.mipmap.g3)); return b; } /** * 绘制分数 */ private void drawGrades(long grade) { String gradeString = grade + ""; mc.save(); mc.translate(getWidth() / 2 - gradeString.length() * mSingleGradeWidth / 2, 1f / 8 * getHeight()); Rect r = new Rect(0, 0, mSingleGradeWidth, mSingleGradeHeight); for (int i = 0; i < gradeString.length(); i++) { String numStr = gradeString.substring(i, i + 1); int num = Integer.valueOf(numStr); mc.drawBitmap(mNumBitmap[num], null, r, null); mc.translate(mSingleGradeWidth, 0); } mc.restore(); } /** * 游戏状态 */ private enum GameStatus { PAUSE, RUNNING, STOP } public GameView(Context context, AttributeSet attrs) { super(context, attrs); this.gameActicity = (GameActicity) context; paint = new Paint(); paint.setAntiAlias(true); // 抗锯齿 paint.setDither(true); // 防抖动 getHolder().addCallback(this); this.setKeepScreenOn(true); // 保持屏幕常亮 Log.i(MyEnum.tip.getName(), "GameView"); initBitmap(); } private void drawPipe() { movePip(); for (Pipe p : pipes) { // 画管道 p.draw(mc, WIDTH, getHeight()); } removePipe(); addPipe(); } /** * 地图使用三张图片链接，当第一张图片过去屏幕左边立马移除加到最后 */ private void drawFloor() { moveFloor(); for (int i = 0; i < floors.size(); i++) { Floor floor = floors.get(i); floor.draw(mc, Util.dp2px(getContext(), 200)); if (floor.getX() + mc.getWidth() < 0) { floors.remove(floor); Floor f = new Floor(loadImageByResId(R.mipmap.ground), floors.get(floors.size() - 1).getX() + mc.getWidth()); floors.add(f); } } } /** * 移动地板 */ private void moveFloor() { for (Floor f : floors) { f.setX(f.getX() - SPEED); } } @Override public void surfaceCreated(SurfaceHolder holder) { gameThread = new Thread(this); gameThread.start(); } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } @Override public void surfaceDestroyed(SurfaceHolder holder) { Log.i(MyEnum.tip.getName(), "surfaceDestroyed"); status = GameStatus.STOP; } public void draw() { mc = getHolder().lockCanvas(); // 锁住画布 mc.save(); drawBack(); // 画背景 drawPipe(); // 画管道 brid.draw(mc, Util.dp2px(getContext(), 200)); // 画鸟 drawFloor(); // 画地表 mc.restore(); drawGrades(GlobeVar.grade); // 画分数 getHolder().unlockCanvasAndPost(mc); // 解锁画布 } private void drawBack() { Bitmap bitmap = loadImageByResId(R.mipmap.bg); Rect r = new Rect(); r.set(0, 0, getWidth(), getHeight()); mc.drawBitmap(bitmap, null, r, null); } /** * 移除管道，如果管道已经在左边屏幕外边就移除，并且计分 */ private void removePipe() { for (int i = 0; i < pipes.size(); i++) { Pipe pipe = pipes.get(i); if (pipe.getX() + WIDTH < 0) { GlobeVar.grade++; pipes.remove(pipe); aSpeed = true; } } } /** * 添加管道，如果管道的数量少于屏幕宽度/管道宽度加间隙加上3，就添加一个管道 */ private void addPipe() { int i = getWidth() / (WIDTH + PI