Gabriele Cirulli
84 lines
1.8 KiB
JavaScript
84 lines
1.8 KiB
JavaScript
function GameManager(size, actuator) {
|
|
this.size = size; // Grid size
|
|
this.actuator = actuator;
|
|
|
|
this.startTiles = 2;
|
|
this.grid = [];
|
|
|
|
this.setup();
|
|
}
|
|
|
|
// Set up the game
|
|
GameManager.prototype.setup = function () {
|
|
this.buildGrid();
|
|
this.addStartTiles();
|
|
|
|
// Update the actuator
|
|
this.update();
|
|
};
|
|
|
|
// Build a grid of the specified size
|
|
GameManager.prototype.buildGrid = function () {
|
|
for (var y = 0; y < this.size; y++) {
|
|
this.grid[y] = [];
|
|
for (var x = 0; x < this.size; x++) {
|
|
this.grid[y].push(null);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Set up the initial tiles to start the game with
|
|
GameManager.prototype.addStartTiles = function () {
|
|
for (var i = 0; i < this.startTiles; i++) {
|
|
this.addTile();
|
|
}
|
|
};
|
|
|
|
// Adds a tile in a random position
|
|
GameManager.prototype.addTile = function () {
|
|
this.insertTile(new Tile(this.randomCell()));
|
|
};
|
|
|
|
// Find the first available random position
|
|
GameManager.prototype.randomCell = function () {
|
|
// TODO: build a map of available positions and choose from it
|
|
var self = this;
|
|
|
|
var position;
|
|
|
|
function randomPosition() {
|
|
return Math.floor(Math.random() * self.size);
|
|
}
|
|
|
|
do {
|
|
position = {
|
|
x: randomPosition(),
|
|
y: randomPosition()
|
|
};
|
|
} while (this.cellOccupied(position));
|
|
|
|
return position;
|
|
};
|
|
|
|
// Check if the specified cell is taken
|
|
GameManager.prototype.cellOccupied = function (cell) {
|
|
return !!this.grid[cell.x][cell.y];
|
|
};
|
|
|
|
// Insert a tile at the specified position
|
|
GameManager.prototype.insertTile = function (tile) {
|
|
this.grid[tile.x][tile.y] = tile;
|
|
};
|
|
|
|
// Sends the updated grid to the actuator
|
|
GameManager.prototype.update = function () {
|
|
this.actuator.update(this.grid);
|
|
};
|
|
|
|
// Move the grid in the specified direction
|
|
GameManager.prototype.move = function (direction) {
|
|
// 0: up, 1: right, 2:down, 3: left
|
|
|
|
this.update();
|
|
};
|