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JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.

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` ````
#cc
max-width 1536px
margin 0 auto
```

` ````
var w = 1536;
var h = 864;
var canvas;
var epoch = 0;
var col = ["rgb(244, 204, 161)", "rgb(57, 123, 68)", "rgb(113, 170, 52)", "rgb(40, 204, 223)"];
var names = ["HQ (beige)", "forest (green)", "sawmill (lime)", "fishing zone (cyan)"]
var nkinds = col.length-1;
var tiles = [new Tile(0, 0, 0)];
var next;
function setup() {
canvas = createCanvas(w,h);
canvas.parent("cc");
textFont("Montserrat");
rectMode(CORNER);
noStroke();
next = Math.floor(Math.random()*nkinds)+1;
}
function draw() {
background(57, 120, 168);
let e = ends();
let mapw = e[1] - e[0] + 1;
let maph = e[3] - e[2] + 1;
for (let t in tiles) {
fill(col[tiles[t].kind]);
rect(w*(tiles[t].x-e[0]+1)/(mapw+2), h*(tiles[t].y-e[2]+1)/(maph+2), w/(mapw+2), h/(maph+2));
}
fill(0);
textSize(36);
textAlign(CENTER, CENTER);
text("Upcoming: "+names[next], w/2, h-36);
}
function mouseClicked() {
let e = ends();
let mapw = e[1] - e[0] + 1;
let maph = e[3] - e[2] + 1;
let x = Math.floor(mouseX*(mapw+2)/w)+e[0]-1;
let y = Math.floor(mouseY*(maph+2)/h)+e[2]-1;
erect(x, y, next);
}
function Tile(x, y, kind) {
this.x = x;
this.y = y;
this.kind = kind;
}
function erect(x, y, kind) {
tile = new Tile(x, y, kind);
if (find(x, y) < 0 && (find(x-1, y) > -1 || find(x+1, y) > -1 || find(x, y-1) > -1 || find(x, y+1) > -1)) {
next = Math.floor(Math.random()*nkinds)+1;
return tiles.push(tile);
}
return false;
}
function find(x, y) {
let k = -1;
for (let t in tiles) {
if (tiles[t].x == x && tiles[t].y == y) {
k = tiles[t].kind;
break;
}
}
return k;
}
function ends() {
let maxx = 0;
let minx = 0;
let maxy = 0;
let miny = 0;
for (let t in tiles) {
maxx = max(maxx, tiles[t].x);
minx = min(minx, tiles[t].x);
maxy = max(maxy, tiles[t].y);
miny = min(miny, tiles[t].y);
}
return [minx, maxx, miny, maxy];
}
```

999px

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