var cols = 5;
var rows = 5;
var grid = new Array(cols);

var openSet = [];
var closedSet = [];
var start;
var end;
var w,h;
function Spot(i,j) {
    this.x = i;
    this.y = j;
    this.f = 0;
    this.g = 0;
    this.h = 0;
}
this.show = function () {
    fill(255);
    stroke(0);
    rect(this.x*w, this.y*h, w, h);
}

function setup() {
    createCanvas(400, 400)
    console.log('A*');
}  
w = width / cols;
h = height / rows;

// Making a 2D array
for (var i = 0; i < cols; i++) {
    grid[i] = new Array (rows);
}

for (var i = 0; i < cols; i++) {
    for (var j = 0; j < rows; j++) {
        grid[i][j] = new Spot(i,j);
    }
}

start = grid[0] [0];
end = grid[cols -1] [rows -1];

openSet.push(start);

console.log(grid);






function draw () {
    
    if (openSet.length > 0) {
        // we can keep going
       } else {
           // no solution
       }
}
    
    background(0);
    
    for (var i = 0; i < cols; i++) {
        for (var j = 0; j < rows; j++) {
            grid[i][j].show();
    }
}