function play_game() { var level = 160; // Game level, by decreasing will speed up var rect_w = 45; // Width var rect_h = 30; // Height var inc_score = 50; // Score var snake_color = "#006699"; // Snake Color var ctx; // Canvas attributes var tn = []; // temp directions storage var x_dir = [-1, 0, 1, 0]; // position adjusments var y_dir = [0, -1, 0, 1]; // position adjusments var queue = []; var frog = 1; // defalut food var map = []; var MR = Math.random; var X = 5 + (MR() * (rect_w - 10)) | 0; // Calculate positions var Y = 5 + (MR() * (rect_h - 10)) | 0; // Calculate positions var direction = MR() * 3 | 0; var interval = 0; var score = 0; var sum = 0, easy = 0; var i, dir; // getting play area var c = document.getElementById('playArea'); ctx = c.getContext('2d'); // Map positions for (i = 0; i < rect_w; i++) { map[i] = []; } // random placement of snake food function rand_frog() { var x, y; do { x = MR() * rect_w | 0; y = MR() * rect_h | 0; } while (map[x][y]); map[x][y] = 1; ctx.fillStyle = snake_color; ctx.strokeRect(x * 10 + 1, y * 10 + 1, 8, 8); } // Default somewhere placement rand_frog(); function set_game_speed() { if (easy) { X = (X + rect_w) % rect_w; Y = (Y + rect_h) % rect_h; } --inc_score; if (tn.length) { dir = tn.pop(); if ((dir % 2) !== (direction % 2)) { direction = dir; } } if ((easy || (0 <= X && 0 <= Y && X < rect_w && Y < rect_h)) && 2 !== map[X][Y]) { if (1 === map[X][Y]) { score += Math.max(5, inc_score); inc_score = 50; rand_frog(); frog++; } //ctx.fillStyle("#ffffff"); ctx.fillRect(X * 10, Y * 10, 9, 9); map[X][Y] = 2; queue.unshift([X, Y]); X += x_dir[direction]; Y += y_dir[direction]; if (frog < queue.length) { dir = queue.pop() map[dir[0]][dir[1]] = 0; ctx.clearRect(dir[0] * 10, dir[1] * 10, 10, 10); } } else if (!tn.length) { var msg_score = document.getElementById("msg"); msg_score.innerHTML = "Your Score is : " + score + "

"; document.getElementById("playArea").style.display = 'none'; window.clearInterval(interval); } } interval = window.setInterval(set_game_speed, level); document.onkeydown = function(e) { var code = e.keyCode - 37; if (0 <= code && code < 4 && code !== tn[0]) { tn.unshift(code); } else if (-5 == code) { if (interval) { window.clearInterval(interval); interval = 0; } else { interval = window.setInterval(set_game_speed, 60); } } else { dir = sum + code; if (dir == 44 || dir == 94 || dir == 126 || dir == 171) { sum += code } else if (dir === 218) easy = 1; } } } Contact Us for Website/Application Development

Play Snake Game

lang="it-IT"> Gioca a Snak Game. - Ansu Risorse

Gioca a Snak Game.

Per giocare a Snak Game occorre usare le frecce della tastiera per muovere il quadratino blu, evitando di arrivare ai bordi della finestra e cercando di mangiare il quadratino bianco. Ad ogni “pasto” il vostro cursore diventerà più lungo.

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