实例介绍
【实例简介】
【实例截图】
【核心代码】
package cn.nju;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class GameSurfaceView extends SurfaceView implements
SurfaceHolder.Callback {
private Rabit rabit;
private RefurbishThread refurbishThread;
private List<Bell> bell_list = new ArrayList<Bell>();
private Backgroud bg;
private Context context;
private BellCreator bell_creator;
private Bird bird;
private SurfaceHolder holder;
private Bitmap bitmap_jump;
private boolean jump_button_clicked = false;
private boolean jump_comm_flag = false;
private boolean audio_on = false;
private AudioProvider audioProvider;
private int score = 0;
private int highest_score;
private int hit_count = 0;
private Paint paint;
private boolean game_over = false;
private Conclusion conclusion;
public GameSurfaceView(Context context) {
super(context);
this.context = context;
rabit = new Rabit(context);
bg = new Backgroud(context);
conclusion = new Conclusion(this);
bitmap_jump = BitmapFactory.decodeResource(context.getResources(),
R.drawable.button);
init_audio();
init_highest_score();
bell_creator = new BellCreator(context);
bird = new Bird(context);
refurbishThread = new RefurbishThread();
init_bell_list();
paint = new Paint();
this.holder = this.getHolder();
holder.addCallback(this);
this.setFocusable(true);
}
private void init() {
rabit.init();
bg.init();
init_bird();
jump_button_clicked = false;
jump_comm_flag = false;
for (int i = 0; i < bell_list.size(); i) {
bell_creator.recycle(bell_list.get(i));
}
bell_creator.init();
init_bell_list();
highest_score = (highest_score > score) ? highest_score : score;
score = 0;
hit_count = 0;
}
private void init_bird() {
bird.setState(Bird.BIRD_LEFT_FLY0);
bird.setCenter_x(240);
bird.setCenter_y(30);
bird.setOn_screen(true);
}
private void init_highest_score() {
SharedPreferences settings = ((GameActivity) context)
.getPreferences(Activity.MODE_PRIVATE);
highest_score = settings.getInt("highestscore", 0);
}
private void init_audio() {
this.audio_on = ((GameActivity) context).isAudio_on();
if (audio_on) {
audioProvider = new AudioProvider(context);
}
}
private void init_bell_list() {
Bell bell0 = bell_creator.createBell();
Bell bell1 = bell_creator.createBell();
Bell bell2 = bell_creator.createBell();
Bell bell3 = bell_creator.createBell();
Bell bell4 = bell_creator.createBell();
bell0.setCenter_y(170);
bell1.setCenter_y(130);
bell2.setCenter_y(90);
bell3.setCenter_y(50);
bell4.setCenter_y(10);
bell_list.removeAll(bell_list);
bell_list.add(bell0);
bell_list.add(bell1);
bell_list.add(bell2);
bell_list.add(bell3);
bell_list.add(bell4);
}
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
bg.onDraw(canvas);
if (!jump_button_clicked) {
canvas.drawBitmap(bitmap_jump, 333, 199, paint);
}
drawBell(canvas);
rabit.onDraw(canvas);
drawScore(canvas);
if (game_over) {
conclusion.onDraw(canvas);
}
if (bird.isOn_screen()) {
bird.onDraw(canvas);
}
}
private void drawBell(Canvas canvas) {
for (int i = 0; i < bell_list.size(); i) {
bell_list.get(i).onDraw(canvas);
}
}
private void drawScore(Canvas canvas) {
paint.setColor(Color.WHITE);
paint.setTextSize(15);
canvas.drawText("" score, 22, 22, paint);
}
public boolean onKeyUp(int keyCode, KeyEvent event) {
if(keyCode == KeyEvent.KEYCODE_BACK) {
this.refurbishThread.setGo_on(false);
}
return true;
}
public boolean onTouchEvent(MotionEvent event) {
float x = event.getX();
float y = event.getY();
if (game_over) {
////////////////////////////游戏结束后的触屏处理
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (x >= 165 && x <= 237 && y >= 154 && y <= 180) {
conclusion.setPressed(true);
}
break;
case MotionEvent.ACTION_MOVE:
break;
case MotionEvent.ACTION_UP:
if (x >= 165 && x <= 237 && y >= 154 && y <= 180) {
conclusion.setPressed(false);
init();
game_over = false;
}
break;
default:
break;
}
} else {
////////////////////////////游戏中的触屏处理
if (jump_button_clicked) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
rabit.setX_destination(x);
break;
default:
rabit.setX_destination(rabit.getX());
}
} else {
if (x > 327 && x < 364 && y > 196 && y < 230) {
if(event.getAction() == MotionEvent.ACTION_UP){
jump_comm_flag = true;
jump_button_clicked = true;
}
} else {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
rabit.setX_destination(x);
break;
default:
rabit.setX_destination(rabit.getX());
}
}
}
}
return true;
}
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
}
public void surfaceCreated(SurfaceHolder holder) {
refurbishThread.setGo_on(true);
refurbishThread.start();
if (audio_on) {
audioProvider.play_bg();
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
refurbishThread.setGo_on(false);
if (audio_on) {
// player.stop();
// player.release();
// soundPool.release();
audioProvider.release();
}
// save highest score
highest_score = (highest_score > score) ? highest_score : score;
SharedPreferences pre = ((GameActivity) context).getPreferences(0);
SharedPreferences.Editor editor = pre.edit();
editor.putInt("highestscore", highest_score);
}
class RefurbishThread extends Thread {
private boolean go_on = false;
public boolean isGo_on() {
return go_on;
}
public void setGo_on(boolean goOn) {
go_on = goOn;
}
public void run() {
while (go_on) {
try {
// Thread.sleep(50);
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
update_all_components();
synchronized (holder) {
Canvas canvas = holder.lockCanvas();
GameSurfaceView.this.onDraw(canvas);
holder.unlockCanvasAndPost(canvas);
}
}
}
}
private void update_rabit(){
/**
* rabit need jump up 93.72px per time 4 23 5 18 6 15
* */
if (rabit.isOnGround()) {
// 处理水平方向移动
// rabit 到达目的位置
if (Math.abs(rabit.getX() - rabit.getX_destination()) < 5) {
if (rabit.isFaceLeft()) {
rabit.setPic_state(Rabit.RABIT_PIC_LEFT_STOP);
rabit.setFace_state(Rabit.RABIT_FACE_LEFT);
rabit.setGround_state(Rabit.RABIT_LEFT_STOP);
} else {
rabit.setPic_state(Rabit.RABIT_PIC_RIGHT_STOP);
rabit.setFace_state(Rabit.RABIT_FACE_RIGHT);
rabit.setGround_state(Rabit.RABIT_RIGHT_STOP);
}
} else if (rabit.getX() - rabit.getX_destination() >= 5) {
// rabit 在destination的右面，它将向左移动
rabit.setFace_state(Rabit.RABIT_FACE_LEFT);
rabit.setX(rabit.getX() - Rabit.SPEED_X);
if (rabit.getGround_state() == Rabit.RABIT_LEFT_MOVE1_ON_GROUND) {
rabit.setGround_state(Rabit.RABIT_LEFT_MOVE2_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_LEFT_JUMP1);
} else if (rabit.getGround_state() == Rabit.RABIT_LEFT_MOVE2_ON_GROUND) {
rabit.setGround_state(Rabit.RABIT_LEFT_MOVE1_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_LEFT_JUMP0);
} else {
rabit.setGround_state(Rabit.RABIT_LEFT_MOVE1_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_LEFT_JUMP0);
}
} else if (rabit.getX_destination() - rabit.getX() > 5) {
// rabit 在destination的左面，它将向右移动
rabit.setX(rabit.getX() Rabit.SPEED_X);
rabit.setFace_state(Rabit.RABIT_FACE_RIGHT);
if (rabit.getGround_state() == Rabit.RABIT_RIGHT_MOVE1_ON_GROUND) {
rabit.setGround_state(Rabit.RABIT_RIGHT_MOVE2_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_RIGHT_JUMP1);
} else if (rabit.getGround_state() == Rabit.RABIT_RIGHT_MOVE2_ON_GROUND) {
rabit.setGround_state(Rabit.RABIT_RIGHT_MOVE1_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_RIGHT_JUMP0);
} else {
rabit.setGround_state(Rabit.RABIT_RIGHT_MOVE1_ON_GROUND);
rabit.setPic_state(Rabit.RABIT_PIC_ON_GROUND_RIGHT_JUMP0);
}
}
// process jump command
if (jump_comm_flag) {
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP0);
rabit.setGround_state(Rabit.RABIT_NOT_ON_GROUND);
rabit.setY(rabit.getY() - Rabit.SPEED_Y);
if (rabit.isFaceLeft()) {
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
} else {
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
}
jump_comm_flag = false;
}
} else {
// ////////////////////////////////////////////////////////////////////
// rabit在空中
// 处理水方向移动
// 此处10值得商榷，很多定值需三思！！！！！！！！！！！！！
if (rabit.getX() - rabit.getX_destination() >= 10) {
// rabit 在destination的右面，它将向左移动
rabit.setFace_state(Rabit.RABIT_FACE_LEFT);
rabit.setX(rabit.getX() - Rabit.SPEED_X_ON_AIR);
} else if (rabit.getX_destination() - rabit.getX() > 10) {
// rabit 在destination的左面，它将向右移动
rabit.setX(rabit.getX() Rabit.SPEED_X_ON_AIR);
rabit.setFace_state(Rabit.RABIT_FACE_RIGHT);
}
// 处理垂直方向 移动
if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP0) {
// rabit.setY(rabit.getY()-Rabit.SPEED_Y);
rabit_move_up();
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP1);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP1) {
// rabit.setY(rabit.getY()-Rabit.SPEED_Y);
rabit_move_up();
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP2);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP2) {
// rabit.setY(rabit.getY()-Rabit.SPEED_Y);
rabit_move_up();
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP3);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP3) {
// rabit.setY(rabit.getY()-Rabit.SPEED_Y);
rabit_move_up();
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP4);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP4) {
// rabit.setY(rabit.getY()-Rabit.SPEED_Y);
rabit_move_up();
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP5);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_UP5) {
rabit.setAir_state(Rabit.RABIT_ON_AIR_STOP);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_STOP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_STOP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_STOP) {
rabit.setAir_state(Rabit.RABIT_ON_AIR_DOWN);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_STOP);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_STOP);
} else if (rabit.getAir_state() == Rabit.RABIT_ON_AIR_DOWN) {
// rabit.setY(rabit.getY() Rabit.SPEED_Y);
rabit.setAir_state(Rabit.RABIT_ON_AIR_DOWN);
if (rabit.isFaceLeft())
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_DOWN);
else
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_DOWN);
rabit_move_down();
}
}
}
private void update_bells(){
for (int i = 0; i < bell_list.size(); i) {
Bell bell = bell_list.get(i);
if (bell.isExplode()) {
if (bell.getState() == Bell.BELL_EXPLODE0) {
bell.setState(Bell.BELL_EXPLODE1);
} else if (bell.getState() == Bell.BELL_EXPLODE1) {
bell.setState(Bell.BELL_EXPLODE2);
} else if (bell.getState() == Bell.BELL_EXPLODE2) {
bell_list.remove(bell);
bell_creator.recycle(bell);
--i;
}
} else {
if (rabit.isHitBell(bell)) {
hit_count;
score = hit_count * 10;
if(audio_on) audioProvider.play_bell_ding();
bell.setState(Bell.BELL_EXPLODE0);
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP0);
if (rabit.isFaceLeft()) {
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
} else {
rabit.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
}
}
}
}
}
private void update_bird(){
if (bird.isOn_screen()) {
// 处理垂直
if (bird.getCenter_y() > Constant.SCREEN_HEIGHT) {
bird.setOn_screen(false);
}
}
if (bird.isOn_screen()) {
// 处理水平
if (bird.isHited()) {
if (bird.isFaceLeft()) {
bird
.setCenter_x(bird.getCenter_x()
- Bird.BIRD_SPEED_POWER);
if (bird.getCenter_x() < -5) {
bird.setOn_screen(false);
}
} else {
bird
.setCenter_x(bird.getCenter_x()
Bird.BIRD_SPEED_POWER);
if (bird.getCenter_x() > Constant.SCREEN_WIDTH 5) {
bird.setOn_screen(false);
}
}
} else {
if (bird.isFaceLeft()) {
bird.setCenter_x(bird.getCenter_x() - Bird.BIRD_SPEED);
if (bird.getCenter_x() < -5) {
bird.setCenter_x(0);
bird.setState(Bird.BIRD_RIGHT_FLY0);
} else {
if (rabit.isHitBird(bird)) {
hit_count;
score *= 2;
if(audio_on) audioProvider.play_twitter();
bird.setState(Bird.BIRD_LEFT_FLY_POWER);
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP0);
if (rabit.isFaceLeft()) {
rabit
.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
} else {
rabit
.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
}
} else if (bird.getState() == Bird.BIRD_LEFT_FLY0) {
bird.setState(Bird.BIRD_LEFT_FLY1);
} else if (bird.getState() == Bird.BIRD_LEFT_FLY1) {
bird.setState(Bird.BIRD_LEFT_FLY2);
} else {
bird.setState(Bird.BIRD_LEFT_FLY0);
}
}
} else {
bird.setCenter_x(bird.getCenter_x() Bird.BIRD_SPEED);
if (bird.getCenter_x() > Constant.SCREEN_WIDTH 5) {
bird.setCenter_x(Constant.SCREEN_WIDTH);
bird.setState(Bird.BIRD_LEFT_FLY0);
} else {
if (rabit.isHitBird(bird)) {
hit_count;
score *= 2;
if(audio_on) audioProvider.play_twitter();
bird.setState(Bird.BIRD_LEFT_FLY_POWER);
rabit.setAir_state(Rabit.RABIT_ON_AIR_UP0);
if (rabit.isFaceLeft()) {
rabit
.setPic_state(Rabit.RABIT_PIC_ON_AIR_LEFT_JUMP);
} else {
rabit
.setPic_state(Rabit.RABIT_PIC_ON_AIR_RIGHT_JUMP);
}
} else if (bird.getState() == Bird.BIRD_RIGHT_FLY0) {
bird.setState(Bird.BIRD_RIGHT_FLY1);
} else if (bird.getState() == Bird.BIRD_RIGHT_FLY1) {
bird.setState(Bird.BIRD_RIGHT_FLY2);
} else {
bird.setState(Bird.BIRD_RIGHT_FLY0);
}
}
}
}
}
// 添加一个bird的逻辑
if (hit_count % 11 == 0 && bird.isOn_screen() == false
&& rabit.getY() < 210) {
init_bird();
}
}
private void update_all_components() {
if (game_over)
return;
update_rabit();
update_bells();
update_bird();
}
private void rabit_move_up() {
if (rabit.getCenter_y() > Constant.SCREEN_HEIGHT / 2) {
rabit.setY(rabit.getY() - Rabit.SPEED_Y);
return;
}
// 处理屏幕背景的变化
// 处理bells的位置
// 所有的bell下移
// rabit跳跃至屏幕1/2处~2/3时，处理整个场景Components变化
if (rabit.getCenter_y() > 0.33 * Constant.SCREEN_HEIGHT) {
for (int i = 0; i < bell_list.size(); i) {
Bell bell = bell_list.get(i);
bell.setCenter_y(bell.getCenter_y() Rabit.SPEED_Y / 2);
}
bg.drag_down((int) Rabit.SPEED_Y / 2);
bird.setCenter_y(bird.getCenter_y() Rabit.SPEED_Y / 2);
rabit.setCenter_y(rabit.getCenter_y() - Rabit.SPEED_Y / 2);
} else {
// rabit跳跃比屏幕的2/3处还高时，处理整个场景的变化
for (int i = 0; i < bell_list.size(); i) {
Bell bell = bell_list.get(i);
bell.setCenter_y(bell.getCenter_y() Rabit.SPEED_Y);
}
bg.drag_down((int) Rabit.SPEED_Y);
if (bird.isOn_screen()) {
bird.setCenter_y(bird.getCenter_y() Rabit.SPEED_Y);
}
}
// 是否需要清理落地的bell, bell_list[0] 处于最底处，判断它是否落地
Bell lowBell = bell_list.get(0);
if (lowBell != null) {
if (lowBell.getCenter_y() > 230) {
bell_list.remove(lowBell);
bell_creator.recycle(lowBell);
}
}
// 判断是否需要添加新的bell， bell_list[size-1] 处于最高处，通过它来判断
if (bell_list.size() > 0) {
Bell upBell = bell_list.get(bell_list.size() - 1);
if (upBell.getCenter_y() > 50)
bell_list.add(bell_creator.createBell());
}
}
private void rabit_move_down() {
if (rabit.getY() > 210) {
//rabit已经下落至屏幕底部，不可能在碰到bell， rabit输了高空下坠时背景，bell，bird的位置处理
if (bg.isLowest()) {
game_over = true;
rabit.setY(Constant.RABIT_INIT_Y);
if (rabit.isFaceLeft()) {
rabit.setPic_state(Rabit.RABIT_PIC_LEFT_STOP);
} else {
rabit.setPic_state(Rabit.RABIT_PIC_RIGHT_STOP);
}
bg.init();
} else {
// bg 向上拖动
bg.drag_up((int) Rabit.SPEED_Y);
//屏幕上的bird向上移动
if (bird.isOn_screen()) {
bird.setCenter_y(bird.getCenter_y() - Rabit.SPEED_Y);
if (bird.getCenter_y() < 0) {
bird.setOn_screen(false);
}
}
// 所有的bell向上移动
for (int i = 0; i < bell_list.size(); i) {
Bell bell = bell_list.get(i);
bell.setCenter_y(bell.getCenter_y() - Rabit.SPEED_Y);
}
// 处理移动到屏幕外的bell
if (bell_list.size() > 0) {
Bell bell_up = bell_list.get(bell_list.size() - 1);
if (bell_up.getCenter_y() < -Bell.BELL_OK_HEIGHT / 2) {
bell_list.remove(bell_up);
bell_creator.recycle(bell_up);
}
}
}
} else {
// rabit 还没有玩完
rabit.setY(rabit.getY() Rabit.SPEED_Y);
}
}
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
}
public int getHighest_score() {
return highest_score;
}
public void setHighest_score(int highestScore) {
highest_score = highestScore;
}
}
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