игра на java

Ответ от Alex Ghost[новичек]
import java.io.*;
// This is a simple program called HelloWorld.java
class HelloWorld
{
public static void main(String args[ ])
{
System.out.println( Welcome to the world of Java );
}
}

Ответ от MrChebik[гуру]
import java.util.Random;
import java.util.Scanner;
class number {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
Random r = new Random();
int x = r.nextInt(100) + 1, z, counter = 0;
System.out.print("Угадайте число!
");
do {
System.out.print("Введите число, попыток - " + (7-counter) + ": ");
z = scn.nextInt();
if (z > x)
System.out.print("Много
");
if (z < x)
System.out.print("Мало
");
counter++;
}
while ((z != x) && (counter < 7));
if (z == x)
System.out.print("Вы выйграли! ");
else
System.out.print("Вы проиграли! ");
}
}

Ответ от Ynov[новичек]
FIELD_SIZE = 20;
SNAKE_SPEED = 100;
window.onload = startGame();
window.addEventListener("keydown", changeDirection, false);
window.addEventListener("touchstart", touchCatched, false);
window.addEventListener("touchmove", touchEnded, false);
function touchCatched(event) {
touch = event;
}
function touchEnded(event) {
var offsetX = touch.changedTouches[0].clientX - event.changedTouches[0].clientX;
var offsetY = touch.changedTouches[0].clientY - event.changedTouches[0].clientY;
var rule = new Object();
if (Math.abs(offsetX) > Math.abs(offsetY)) {
if (offsetX < 0) {
rule.keyCode = 39;
} else {
rule.keyCode = 37;
}
} else {
if (offsetY < 0) {
rule.keyCode = 40;
} else {
rule.keyCode = 38;
}
}
changeDirection(rule);
}
function spawnSnake() {
for (var i = FIELD_SIZE - 3; i < FIELD_SIZE; i++) {
field.children[FIELD_SIZE - 1].children[i].className = "snake-cell";
}
snake = field.children[FIELD_SIZE - 1].children[FIELD_SIZE - 3];
snake.tail = field.children[FIELD_SIZE - 1].children[FIELD_SIZE - 2];
snake.tail.tail = field.children[FIELD_SIZE - 1].children[FIELD_SIZE - 1];
snake.direction = "left";
return snake;
}
function Cell() {
var cell = document.createElement("div");
cell.className = "cell";
return cell;
}
function Row(length) {
if(!length) {
alert("Length of row is null!"); /* DEBUG */
}
var row = document.createElement("div");
row.className = "row";
for (var i = 0; i < length; i++) {
row.appendChild(new Cell());
}
return row;
}
function Field(size) {
if(!size) {
alert("Size of field is null!"); /* DEBUG */
}
var field = document.createElement("div");
field.className = "field";
field.spawnSnake = spawnSnake;
for (var i = 0; i < size; i++) {
field.appendChild(new Row(size));
}
for (var i = 0; i < FIELD_SIZE; i++) {
for (var j = 0; j < FIELD_SIZE; j++) {
cell = field.children[i].children[j];
if (i == 0) {
cell.up = null;
} else {
cell.up = field.children[i-1].children[j];
}
if (j == 0) {
cell.left = null;
} else {
cell.left = field.children[i].children[j-1];
}
if (j == FIELD_SIZE - 1) {
cell.right = null;
} else {
cell.right = field.children[i].children[j+1];
}
if (i == FIELD_SIZE - 1) {
cell.down = null;
} else {
cell.down = field.children[i+1].children[j];
}
}
}
return field;
}
function startGame() {
field = Field(FIELD_SIZE);
var div = document.getElementsByTagName("div")[1];
div.appendChild(field);
snake = field.spawnSnake();
points = document.getElementsByTagName("div")[0];
points.textContent = 0;
spawnFood();
intervalID = window.setInterval(snakeMotion, SNAKE_SPEED);
}
/* up: 38; down:40; left: 37; right: 39*/
function changeDirection(event) {
if (event.keyCode == 38) {
if (snake.direction == "left" || snake.direction == "right") {
snake.direction = "up";
}
}
if (event.keyCode == 40) {
if (snake.direction == "left" || snake.direction == "right") {
snake.direction = "down";
}
}
if (event.keyCode == 37) {
if (snake.direction == "up" || snake.direction == "down") {
snake.direction = "left";
}
}
if (event.keyCode == 39) {
if (snake.direction == "up" || snake.direction == "down") {
snake.direction = "right";
}
}
}
function spawnFood() {
var food;
do {
food = field.children[Math.floor(Math.random() * FIELD_SIZE)].children[Math.floor(Math.random() * FIELD_SIZE)];
} while (food.className == "snake-cell");
food.eat = true;
food.style.background = "white";
}
function snakeMotion() {
var nextCell = snake[snake.direction];
if (nextCell && (nextCell.className != "snake-cell")) {
nextCell.direction = snake.direction;
nextCell.tail = snake;
if (nextCell.eat) {
spawnFood();
points.textContent++;

Ответ от 22 ответа[гуру]