// Cloned by Cbum on 29 Nov 2022 from World "Snake randomly crawling on a 2D grid" by Marko 
// Please leave this clone trail here.
 
const leftCornerX = -100;
const leftCornerY = -100;

const rectSize = 10;
const nrFields = 10;

const snakeLen = 0;
var snake = Array(snakeLen);
for(var i = 0; i < snakeLen; i++) {
    snake[i] = [i, 0];
}

function isSnakeField(x, y) {
    for(var i = 0; i < snakeLen; i++) {
        const snakeField = snake[i];
        
        if(snakeField[0] === x && snakeField[1] === y) {
            return true;
        }
    }
    
    return false;
}

function setup()        // "setup" is called once at start of run 
{
  createCanvas ( ABWorld.fullwidth(), ABWorld.fullheight(),  WEBGL );
}

function draw()         // "draw" is called every timestep during run 
{
    background("lightblue");
    
    for(var i = 0; i < nrFields; i++) {
        for(var j = 0; j < nrFields; j++) {
            var color = isSnakeField(i, j) ? "black" : "white";
            fill(color);
            rect(leftCornerX + rectSize * i, leftCornerY + rectSize * j, rectSize, rectSize);
        }
    }
    
    moveSnake();
}