Eloquent electronic life
by Rich Costello
JavaScript
var plan = ["############################",
"# # # o ##",
"# #",
"# ##### #",
"## # # ## #",
"### ## # #",
"# ### # #",
"# #### #",
"# ## o #",
"# o # o ### #",
"# # #",
"############################"];
function Vector(x, y) {
this.x = x;
this.y =y;
}
Vector.prototype.plus = function(other) {
return new Vector(this.x + other.x, this.y + other.y);
};
var grid = ["top left", "top middle", "top right",
"bottom left", "bottom middle", "bottom right"];
console.log(grid[0 + (1 * 2)]);
function Grid(width, height) {
this.space = new Array(width * height);
this.width = width;
this.height = height;
}
Grid.prototype.isInside = function(vector) {
return vector.x >= 0 && vector.x < this.width &&
vector.y >= 0 && vector.y < this.height;
};
Grid.prototype.get = function(vector) {
return this.space[vector.x + this.width * vector.y];
};
Grid.prototype.set = function(vector, value) {
this.space[vector.x + this.width * vector.y] = value;
};
var grid = new Grid(5, 5);
grid.set(new Vector(1, 1), "X");
console.log(grid.get(new Vector(1, 1)));
var directions = {
"n": new Vector( 0, -1),
"ne": new Vector( 1, -1),
"e": new Vector( 1, 0),
"se": new Vector(1, 1),
"s": new Vector(0, 1),
"sw": new Vector(-1, 1),
"w": new Vector(-1, 0),
"nw": new Vector(-1, -1)
};
function randomElement(array) {
return array[Math.floor(Math.random() * array.length)];
}
var directionNames = "n ne e se s sw w nw".split(" ");
function BouncingCritter() {
this.direction = randomElement(directionNames);
};
BouncingCritter.prototype.act = function(view) {
if (view.look(this.direction) != " ")
...