package chenlong.chenlong.viewstudy.myview;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.widget.LinearLayout;
import java.util.ArrayList;
import java.util.List;
import androidx.annotation.Nullable;
import chenlong.chenlong.viewstudy.MainActivity;
public class flyer extends LinearLayout {
public int fraction;
Paint mPaint = new Paint();
Paint TPaint = new Paint();
Paint DPaint = new Paint();
aircraft aircraft;
List<bullet> bullet_list = new ArrayList<bullet>();
List<aircraft> enemy_flyer_list = new ArrayList<aircraft>();
Thread T;
int NUM = 0;
int mw;
int mh;
int FPS = 60;
int num_move = 0;
public flyer(Context context) {
this(context, null);
// initP();
}
public flyer(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
// initP();
}
public flyer(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initP();
}
protected void initP() {
// fraction= MainActivity.fraction_history;
aircraft = new aircraft();
System.out.println(aircraft.x);
System.out.println(aircraft.y);
mPaint.setColor(Color.BLACK);//画笔颜色
mPaint.setAntiAlias(true);
mPaint.setStyle(Paint.Style.FILL);//画笔模式为填充
mPaint.setStrokeWidth(10f);//画笔宽度
TPaint.setColor(Color.BLACK);//画笔颜色
TPaint.setAntiAlias(true);
TPaint.setStyle(Paint.Style.FILL);//画笔模式为填充
TPaint.setStrokeWidth(5);//画笔宽度
TPaint.setTextSize(50);
DPaint.setColor(Color.RED);//画笔颜色
DPaint.setAntiAlias(true);
DPaint.setStyle(Paint.Style.FILL);//画笔模式为填充
DPaint.setStrokeWidth(5);//画笔宽度
DPaint.setTextSize(50);
//生成敌机
}
int randint(int max, int min) {
int ran2 = (int) (Math.random() * (max - min) + min);
return ran2;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
int X = (int) event.getX();
int Y = (int) event.getY();
Log.i("view", String.format("X:%d , Y:%d", X, Y));
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
Log.i("按下", String.format("X:%d , Y:%d", X, Y));
float l = (float) Math.pow(Math.pow((X - aircraft.x), 2) + Math.pow((Y - aircraft.y), 2), 0.5);
System.out.println(l);
if (l < 80) {
System.out.println("发射");
bullet_list.add(new bullet(X, Y));
}
break;
case MotionEvent.ACTION_MOVE:
Log.i("移动", String.format("X:%d , Y:%d", X, Y));
num_move += 1;
if (num_move > 2) {
num_move = 0;
bullet_list.add(new bullet(X, Y));
}
aircraft.move(X, Y);
break;
case MotionEvent.ACTION_UP:
Log.i("抬起", String.format("X:%d , Y:%d", X, Y));
break;
}
invalidate();
return true;
}
float p2pline(int x1, int y1, int x2, int y2) {
return (float) Math.pow(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2), 0.5);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
try {
aircraft.draw_(canvas);//绘制飞机
for (bullet bu : bullet_list) {//绘制子弹
bu.draw_(canvas);
}
for (aircraft air : enemy_flyer_list) {//绘制敌机
canvas.drawCircle(air.x, air.y, 20, DPaint);
}
canvas.drawText(String.format("飞机坐标:X:%d , Y:%d,飞行子弹数量：%d", aircraft.x, aircraft.y, bullet_list.size()), 20, 80, TPaint);
canvas.drawText(String.format("敌机数量：%d", enemy_flyer_list.size()), 20, 160, TPaint);
canvas.drawText(String.format("分数：%d", fraction), 20, 220, TPaint);
} catch (Exception e) {
System.out.println(e);
}
}
private void updata() {
for (bullet bu : bullet_list) {
bu.y -= 1;
for (aircraft air : enemy_flyer_list) {
float l = (float) Math.pow(Math.pow(bu.x - air.x, 2) + Math.pow(bu.y - air.y, 2), 0.5);
if (l < 30) {
System.out.println("击中");
fraction += 1;
MainActivity.pref.edit().putInt("fraction", fraction).apply();//保存分数
enemy_flyer_list.remove(air);//移除敌机
bullet_list.remove(bu);//移除子弹
}
if (enemy_flyer_list.size() < 10) {
for (int o = 0; o < 20; o++) {
enemy_flyer_list.add(new aircraft(randint(100, mw - 100), randint(100, mh / 2)));
}
}
if (bu.y < 0) {
bullet_list.remove(bu);
}
}
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mw = w;
mh = h;
aircraft.x = mw / 2;
aircraft.y = mh - 200;
for (int o = 0; o < 30; o++) {
enemy_flyer_list.add(new aircraft(randint(100, mw - 100), randint(100, mh / 2)));
}
T = new Thread() {
public void run() {
long oldtime = System.currentTimeMillis();
while (true) {
NUM += 1;
long newtime = System.currentTimeMillis();
if (NUM > 5000) {
oldtime = newtime;
try {
updata();
NUM = 0;
invalidate();
} catch (Exception e) {
System.out.println(e);
}
}
}
}
};
T.start();
invalidate();
System.out.println(String.format("W:%d ， H:%d", mw, mh));
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
class bullet {
int x;
int y;
bullet(int x, int y) {
this.x = x;
this.y = y;
}
void draw_(Canvas canvas) {
canvas.drawCircle(this.x, this.y, 5, mPaint);
}
}
class aircraft {
int x = mw / 2;
int y = mh - 80;
String name = "我方战斗机";
int health = 100;
public aircraft() {
this(mw / 2, mh - 80);
}
public aircraft(int x, int y) {
this.x = x;
this.y = y;
}
boolean move(int x, int y) {
try {
this.x = x;
this.y = y;
return true;
} catch (Exception e) {
return false;
}
}
void fire() {
bullet_list.add(new bullet(this.x, this.y));
}
void draw_(Canvas canvas) {
canvas.drawCircle(aircraft.x, aircraft.y, 50, mPaint);
}
}
}
