Week14

 import processing.sound.*;

PImage Main;

PImage start;

SoundFile fight,shoot;

int state = 0;

void setup(){

  size(1280,720);

  fight = new SoundFile(this, "fight.mp3");

  shoot = new SoundFile(this, "shoot2.mp3");

  Main = loadImage("Main.png");

  start = loadImage("start.png");

  b = new ArrayList<Bullet>();

  e = new ArrayList<Enemy>();

}

float px=500,py=300,pr = 15;

float a = 0;

ArrayList<Bullet>b;

ArrayList<Enemy>e;

class Enemy{

 float x,y,speed;

 int pattern,delete,hp=3,hp_max = 3;

 int second = 0;

 Enemy(float x,float y,float speed,int pattern){

   this.x=x;//敵人X

   this.y=y;//敵人Y

   this.speed=speed;//敵人速度

   this.pattern = pattern;

 }

 float r;

 void move(){

   second++;

   r = atan2(py-y,px-x);

   translate(x,y);

   //rotate(r);

   fill(255,0,0);

   strokeWeight(2);

   rect(-15,20,30,7);//血條

   fill(0,255,0);//健康的血

   rect(-15,20,30*(float(hp)/float(hp_max)),7);

   //rotate(-r);

   translate(-x,-y);

   if(second % 60 ==0){//敵人攻擊速度

     b.add(new Bullet(x,y,degrees(r),5,1));

   }

   x += cos(r)*speed;

   y += sin(r)*speed;

   fill(155,0,0);

   ellipse(x,y,30,30);

   if(hp < 1){

     delete = 1;

   }

 }

}

class Bullet{//子彈

 float x,y,r,speed;//座標，角度，速度

 int pattern,delete;

 Bullet(float x,float y,float r,float speed,int pattern){

   this.x=x;//子彈X

   this.y=y;//子彈Y

   this.r=radians(r);//子彈角度

   this.speed=speed;//子彈速度

   this.pattern = pattern;

 }

 void move(){

   x += cos(r)*speed;

   y += sin(r)*speed;

   if(pattern != 0){

     fill(255,0,0);

     stroke(0);

     strokeWeight(2);

   }else{

     fill(255,255,0);

     stroke(0);

     strokeWeight(2);

   }

   ellipse(x,y,15,15);

   if(pattern != 0){

     if(dist(px,py,x,y)<7.5 + pr){

       hp -= 1;

       delete = 1;  

     }

   }else{

    for(int i=0;i<e.size();i++){

      if(dist(e.get(i).x,e.get(i).y,x,y)<7.5 +15){

        e.get(i).hp -=1;

        delete = 1;

      }

    }

   }

 }

}

int hp = 100,hp_max = 100;

int second = 0;

void draw(){

  if(state==0){

    image(start,px,py,1280,720);

    fill(255,0,0);

    textSize(44);

    text("click to start",540,360);

  }

  else if(state==1){

    second++;

    background(155,255,120);

    if(right) px += 3;

    if(left) px -= 3;

    if(up) py -= 3;

    if(down) py += 3;

    if(px < pr) px = pr;//禁止從左邊出界

    if(px > width-pr) px = width-pr;//禁止從右邊出界

    if(py < pr) py = pr;//禁止從上面出界

    if(py > height-pr) py = height - pr;//禁止從下面出界

    a = atan2(mouseY -py, mouseX -px);

    translate(px,py);

    fill(255,0,0);

    strokeWeight(2);

    rect(-15,50,30,7);//血條

    fill(0,255,0);//健康的血

    if(hp>0) rect(-15,50,30*(float(hp)/float(hp_max)),7);

    rotate(a);

    stroke(0);

    strokeWeight(10);

    line(0,0,30,0);//砲管

    rotate(-a);

    translate(-px,-py);

    stroke(0);

    strokeWeight(3);

    fill(#39C5BB);

    image(Main,px,py,50,50);//玩家

    for(int i=0;i<b.size();i++){

      b.get(i).move();

      if(b.get(i).delete == 1){

        b.remove(i);

      }

    }

    if(second % 60 == 0){

      e.add(new Enemy(random(width),random(height),0.6,0)); 

    }

    for(int i=0;i<e.size();i++){

      e.get(i).move();

      if(e.get(i).delete == 1){

        e.remove(i);

      }

    }

  }

}

boolean right,left,up,down;

void keyPressed(){

  if(keyCode == RIGHT) right = true;

  if(keyCode == LEFT) left = true;

  if(keyCode == UP) up = true;

  if(keyCode == DOWN) down = true;

}

void keyReleased(){

  if(keyCode == RIGHT) right = false;

  if(keyCode == LEFT) left = false;

  if(keyCode == UP) up = false;

  if(keyCode == DOWN) down = false;

}

void mousePressed(){

  if(state!=1) fight.play();

}

void mouseReleased(){

  if(state==0) state=1;

  if(state!=0){

    b.add(new Bullet(px,py,degrees(a),5,0));

    shoot.play();

  }

}

加入起始封面並調整音樂，解決音樂一直從頭疊放的問題