/* @pjs preload =
  "kuro.png,k-aka.png,k-mure.png,k-maguro.png,k-iwa1.png,k-iwa2.png,k-iwa3.png,k-iwa4.png,k-iwab.png";
*/

awa[] aw = new awa[50];//泡の数

float sp1,sp11,sp2,sp3,sp4;
float a,b;
float p,q;
float easing = 0.05;
float iwaX;
PImage sakana1,sakana2,taigunn,maguro,iwa1,iwa2,iwa3,iwa4,iwab;

int kazu = 500;//魚の数　すべての魚に命令

float[] xx = new float[kazu];
float[] yy = new float[kazu];
float[] randx = new float[kazu];
float[] randy = new float[kazu];
float[] spx = new float[kazu];
float[] spy = new float[kazu];
float[] hayasa = new float[kazu];

void setup(){
  size(500,500);
  background(#2C4FAD);//背景
  noStroke();
  imageMode(CENTER);
   
  //泡セット--------------------------------   
  for(int x  = 0; x < 50; x++){
    aw[x] = new awa(random(width), random(height), random(6), random(5,10));
  }

  //noCursor();//カーソル非表示

  //隠れている魚セット------------------------
  for(int i=0;i<kazu;i++){
    xx[i] = width;//魚の配置（x軸）
    yy[i] = height;//魚の配置（y軸）
    spx[i] = spy[i] = 0;
    hayasa[i] = random(0.01,0.05);
    randx[i] = random(width);
    randy[i] = random(height);
  }
  frameRate(15);

  //画像ロード-----------------------------
  sakana1 = loadImage("kuro.png");
  sakana2 = loadImage("k-aka.png");
  taigunn = loadImage("k-mure.png");
  maguro = loadImage("k-maguro.png");
  iwa1  = loadImage("k-iwa1.png");
  iwa2 = loadImage("k-iwa2.png");
  iwa3 = loadImage("k-iwa3.png");
  iwa4 = loadImage("k-iwa4.png");
  iwab = loadImage("k-iwab.png");
}

void draw(){
  background(#4285C6);
 
  //背景グラデーション-----------------------  
  int iroy  = 0;
  for(int iro = 500; iro>0; iro-=1){
    iroy+=1;
    colorMode(HSB);
    fill(155,200,iro);
    rect(0,iroy,width,iro);
  }
 
  //背景の岩-------------------------------
  iwabFunc(width/2,350); 
 
  //岩------------------------------------      
  sp1 +=0.5; //岩の速さ
  sp11 +=2;
  sp2 +=3;
  sp3 +=5;
  sp4 +=8; 
   
  if(sp1>600){
    sp1=-600; 
  }
  iwa2Func(sp1,420);
     
  if(sp11>600){
    sp11=-600; 
  }
  
  iwa2Func(sp11,420);   
  if(sp2>600){
    sp2=-200; 
  }
  
  iwa3Func(sp2,420);
    
  
  //地面------------------------------------------
  fill(#5F4E0D);
  rect(0,460,width,40);
  //--------------------------------------------- 
 
  //隠れている魚-----------------------------------
  
  for(int i=0;i<kazu;i++){
    if(mousePressed){//クリックしたとき追いかける
      float targetX = mouseX+80;//マウスカーソル（x軸）
      spx[i] = (targetX - xx[i]+random(50,50)) * hayasa[i]+1;
      
      float targetY = mouseY-55;//マウスカーソル（y軸）    
      spy[i] = (targetY - yy[i]+random(50,50)) * hayasa[i]+1;
    } else {//クリックしていないとき
      if(0<xx[i]-randx[i] && xx[i]-randx[i]<5 && 0<yy[i]-randy[i] && yy[i]-randy[i]<10){
        randx[i] = random(width/2);
        randy[i] = random(height/2);
      } else {
        spx[i] = (randx[i] - xx[i]+random(550,500)) *hayasa[i];
        spy[i] = (randy[i] - yy[i]+random(-550,500)) *hayasa[i]; 
      }  
    }
    xx[i] += spx[i];
    yy[i] += spy[i];
    Sakana2Func(i);
  }
  
  //マウスカーソルを追いかける魚-----------------------
  float targetX = mouseX;
  float dx = targetX - a;
  a += dx * easing;
  //a += (mouseX - a) * easing;
  
  float targetY = mouseY;
  float dy = targetY - b;
  b += dy * easing;
  //b += (mouseY - b) * easing;
  
  sakanaFunc(a,b);//黒
  taigunnFunc(a+50,b+23);//赤 
  
  //岩--------------------------------------------  
  if(sp3>1500){//岩
    sp3=-600;
  }
  iwa4Func(sp3,450);
  if(sp4>1500){//岩
    sp4=-600;
  }
  iwa1Func(sp4,300);
 
  //逃げるマグロ--------------------------------   
  if(mouseX> p) p+=10;
  if(mouseX< q) p-=10;
  if(mouseY> p) q+=10;
  if(mouseY< q) q-=10; 
  maguroFunc(q,p);
  maguroFunc(p,q);
   
  //泡----------------------------------------   
  fill(254);
  for(int x= 0; x < 50; x++){
    aw[x].move();
    aw[x].display();
  }
}

void sakanaFunc(float a,float b){
  image(sakana1,a,b);
}

void taigunnFunc(float a,float b){
  image(taigunn,a,b);
}

void maguroFunc(float p,float q){
  image(maguro,p,q); 
}
void iwa1Func(float p,float q){
  image(iwa1,p,q);
}
void iwa2Func(float p,float q){
  image(iwa2,p,q);
}
void iwa3Func(float p,float q){
  image(iwa3,p,q);
}
void iwabFunc(float p,float q){
  image(iwab,p,q);
}
void iwa4Func(float p,float q){
  image(iwa4,p,q);
}

/*
void Sakana2Func(int i){
  pushMatrix();
  translate(xx[i],yy[i]);
  noStroke();
  image(sakana2,0,0); 
  popMatrix();
}
*/

void Sakana2Func(int i){
  image(sakana2,xx[i],yy[i]); 
}


//泡クラス---------------------------------------
class awa {
  float x, y, size, speed; // x座標, y座標, 直径, 速さ
  awa(float _x, float _y, float _diameter, float _speed) {
    x = _x;
    y = _y;
    size = _diameter;
    speed = _speed;
  }

  void move() {
    x += speed;
    if (x > width + size/2) x = -size/2;
  }

  void display() {
    ellipse(x, y, size, size);
  }
}