mobs.forEach(m => {
let i = this.tileAt(m.position[0], m.position[1]);
mm[i] = mobs.filter(m => i == this.tileAt(m.position[0], m.position[1]));
});
canvas.fillRect(0,0, canvas.canvas.width, canvas.canvas.height);
mobs.forEach(m => {
let i = this.tileAt(m.position[0], m.position[1]);
mm[i] = mobs.filter(m => i == this.tileAt(m.position[0], m.position[1]));
});
canvas.fillRect(0,0, canvas.canvas.width, canvas.canvas.height);