//cái hồ
var fishtank = new Array(12);
endy = 5;
endx = 10;
var nx, ny, x, y;

for (i=0;i< fishtank.length;i++){
    fishtank[i] = [];
    for (j=0;j<=6;j++){
        fishtank[i][j] = 0;
    }
}
    for (y=0;y<=6;++y){
        fishtank[0][y]=1;
        fishtank[11][y]=1;
    }
    for (x=0;x<=11;x++){
        fishtank[x][0]=1;
        fishtank[x][6]=1;
    }

// //////in ra cai ho
// for (i=0;i<fishtank.length;i++){
//     console.log(fishtank[i]);
// }

//class cá
class Fish{
    constructor(position) {
        atk = 10;
        hp = 1000;
        this.position = position;
    }
}

//FISH1
var fish1 =  new Fish();
x1 = 1;
y1 = 1;

//FISH2
var fish2=  new Fish();
x2 = 1;
y2 = 1;
a2 = 0;

//FISH 3
var fish3 =  new Fish();
x3 = 1;
y3 = 1;
a3 = 0;

h = 0;

while (true) {
    //fish 1 changes
    if (x1 == 1) nx1 = 1;
    if (x1 == 10) nx1 = -1;
    if (y1 == 1) ny1 = 1;
    if (y1 == 5) ny1 =- 1;

    //fish 2 changes
    if (x2 == 1) nx2 = 1;
    if (x2 == 10) nx2 = -1;
    if (y2 == 1) ny2 = 1;
    if (y2 == 5) ny2 =- 1;

    //fish3 changes
    if (x3 == 1) nx3 = 1;
    if (x3 == 10) nx3 = -1;
    if (y3 == 1) ny3 = 1;
    if (y3 == 5) ny3 = -1;

    while (h < 20) {
        //fish 1 movement
        fish1.position = [x1,y1];
        fishtank[x1][y1] = 0;
        x1 += nx1;
        y1 += ny1;
        fishtank[x1][y1] = fish1;

        //fish2 movement
        fish2.position = [x2,y2];
        fishtank[x2][y2] = 0;
        if (a2 == 1) {
            x2 += nx2;
            a2 = 0;
        }
        else if (x2 == 10) {
            y2 += ny2;
            a2 += 1;
            }
        else if ((x2 == 1) && (y2 > 1)) {
            y2 += ny2;
            a2 += 1;
            }
        else x2 += nx2;
        fishtank[x2][y2] = fish2;

        //fish 3 movement
        fish3.position = [x3,y3]
        if (a3 == 1){
            y3 += ny3;
            a3 = 0;
        }
        else if (y3 == 5){
            x3 += nx3;
            a3 += 1;
        }
        else if (y3 == 1 && x3 > 1){
            x3 += nx3;
            a3 += 1;
        }
        else y3 += ny3;
        fishtank[x3][y3] = fish3;

        h += 1;

        console.log("fish1", fish1.position, "fish2:", fish2.position,"fish3:",fish3.position);


        if (fishtank[x1+nx1][y1+ny1] == 1) break;
        if (fishtank[x2+nx2][y2] == 1) break;
        if (fishtank[x3][y3+ny3] == 1) break;
        }
}

// // FISH 4
// var fish4 = new Fish();
// x4 = 1;
// y4 = 1;
// while (true) {
//     if (y4 == 1)
// }


//attack
if (fish1.position == fish2.position) {
    fish1.hp += -fish2.atk;
    fish2.hp += -fish1.atk;
}
if (fish1.position == fish3.position) {
    fish1.hp += -fish3.atk;
    fish3.hp += -fish1.atk;
}
if (fish3.position == fish2.position) {
    fish3.hp += -fish2.atk;
    fish2.hp += -fish3.atk;
}
//bait
var bait = [];
var N = 5;
for (i;i>=0;++i){
    if (h%5 == 0) {
        bait[i] = new bait();
        bait[i].position = [bx,by]
    }
    else break;
}