TankGame1

经典的坦克大战

var page = document.getElementById('page');

var canvas = document.getElementById('tankMap');

var cxt = canvas.getContext("2d");

var key = []

var heroColor = ['#6699CC' , '#006699']

var hero = new Hero(225 ,470 ,0 ,heroColor);

hero.speed = 5;

curMap = 0;

var enemies = map[curMap].enemies.slice(0);

var showEnemies = enemies.splice(0,4);

var bricks = map[curMap].bricks.slice(0);

var steels = map[curMap].steels.slice(0);

var endTimer=null;

function flashMap() {

cxt.clearRect ( 0 , 0, 1200, 600 );

keyEvent();

if( !endTimer && showEnemies.length === 0 ){

endTimer = setTimeout( function(){

console.log('Game over')

clearInterval(flashInterval);

drawEnd();

if(curMap < map.length) curMap++;

else{

console.log('游戏完全结束');

alert('恭喜你通关了！刷新页面重新闯关');

return;

}

enemies = map[curMap].enemies.slice(0);

showEnemies = enemies.splice(0,4);

bricks = map[curMap].bricks.slice(0);

steels = map[curMap].steels.slice(0);

endTimer=null;

hero.x = 225;

hero.y = 470;

setTimeout(function(){

for (var i = 0; i < showEnemies.length; i++) {

enemyRun( showEnemies[i] ,i );

}

flashInterval = setInterval( flashMap,13 );

},5000);

} , 5000)

}

drawTank( hero );

for (var i = 0; i < showEnemies.length; i++) {

drawTank( showEnemies[i] );

if( showEnemies.length < 4 && enemies.length !== 0 ){

var newEnemy = enemies.splice(0,1)[0];

showEnemies.push( newEnemy );

enemyRun( newEnemy )

}

}

drawHeroLife();

for (var i = 0; i < bricks.length; i++) {

drawBrick(bricks[i])

}

for (var i = 0; i < steels.length; i++) {

drawSteel(steels[i]);

}

}

// 刷新重绘

var flashInterval = setInterval( flashMap,13 );

// 敌机AI

// 自由移动发射

for (var i = 0; i < showEnemies.length; i++) {

enemyRun( showEnemies[i] ,i );

}

function enemyRun(itemEnemy){

var direct = 2;

var count = 0;

var steps = 80;

itemEnemy.timer = setInterval(function () {

if( count > steps ){

direct = parseInt(Math.random() * 4);

count = -direct;

steps = parseInt(Math.random() * 200);

}

count++;

var dir = ['moveUp' , 'moveRight' , 'moveDown' , 'moveLeft'];

itemEnemy[ dir[ direct ] ]();

// 敌机子弹发射频率

if( !itemEnemy.fireTimer ){

itemEnemy.fireTimer = setTimeout(function(){

itemEnemy.fire();

itemEnemy.fireTimer = null;

},parseInt(Math.random() * 5000));

}

}, 2 * 15 / itemEnemy.speed );

}

// 英雄操作

page.onkeydown = function (ev) {

var ev = ev || window.event;

var keycode = ev.keyCode;

// console.log(ev);

if( !key.contain( keycode ) ) key.push( keycode );

//switch( keycode ){

//case 87: // up

//if ( !hero.moveTimer ) hero.moveTimer = setInterval( function(){hero.moveUp();} , 30);

//break;

//case 68: // right

//if ( !hero.moveTimer ) hero.moveTimer = setInterval( function(){hero.moveRight();} , 30);

//break;

//case 83: // down

//if ( !hero.moveTimer ) hero.moveTimer = setInterval( function(){hero.moveDown();} , 30);

//break;

//case 65: // left

//if ( !hero.moveTimer ) hero.moveTimer = setInterval( function(){hero.moveLeft();} , 30);

//break;

//case 74: // J

//hero.fire();

//break;

//}

}

page.onkeyup = function (ev) {

var ev = ev || window.event;

var keycode = ev.keyCode;

key.remove( keycode );

//switch( keycode ){

//case 87: // up

//clearInterval( hero.moveTimer );

//hero.moveTimer = null;

//break;

//case 68: // right

//clearInterval( hero.moveTimer );

//hero.moveTimer = null;

//break;

//case 83: // down

//clearInterval( hero.moveTimer );

//hero.moveTimer = null;

//break;

//case 65: // left

//clearInterval( hero.moveTimer );

//hero.moveTimer = null;

//break;

//case 74: // J

//hero.fire();

//break;

//}

}

function keyEvent(){

if( key.contain( UP ) ){

hero.moveUp();

}else if( key.contain( RIGHT ) ){

hero.moveRight();

}else if( key.contain( LEFT ) ){

hero.moveLeft();

}else if( key.contain( DOWN ) ){

hero.moveDown();

}

}

一键复制

编辑

Web IDE

原始数据

按行查看

历史