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Fix 2048 game over logic #16

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Fix 2048 game over logic #16

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18 changes: 16 additions & 2 deletions 2048.js
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,19 @@ class Grid {
return tiles
}

moves_available() {
if (this.empty_tiles().length > 0) return true;
for (let i = 0; i < this.size; i++) {
for (let j = 0; j < this.size; j++) {
let t = this.grid[i][j];
if (!t) return true;
if (i < this.size - 1 && this.grid[i+1][j] && this.grid[i+1][j].value === t.value) return true;
if (j < this.size - 1 && this.grid[i][j+1] && this.grid[i][j+1].value === t.value) return true;
}
}
return false;
}

iterations(dir) {
let iters = [];
for(let i = 0; i < this.size; i++) {
Expand Down Expand Up @@ -301,7 +314,7 @@ class KeyboardManager {
}

remove(event) {
this.events.delete(event);
delete this.events[event];
}

emit(event, data) {
Expand Down Expand Up @@ -391,7 +404,8 @@ class Game {
let moved = this.grid.move(dir);
if (!moved) return;
this.renderer.render();
if (this.new_tile() == Game.GAME_OVER) {
this.new_tile();
if (!this.grid.moves_available()) {
this.keyboard.remove("move");
this.renderer.game_over();
}
Expand Down