坦克大战（二）

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坦克大战（二）

玩法：键盘（A W S D）键来控制方向,空格键发射子弹，N：下一关，P：上一关，Enter：开始，赶紧去闯关吧^^。

开始游戏 https://www.ormcc.com/play/gameStart/221

html

  <CENTER><div id="game-area"></div></CENTER>

css

canvas{
    display: block; 
    touch-action: none; 
    user-select: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); 
    width: 414px; 
    height: 550px; 
    cursor: inherit;
}

js

game.physics.startSystem(Phaser.Physics.ARCADE); 
soundStart = game.add.audio("sound-start");
soundFire  = game.add.audio("sound-fire");
soundHit = game.add.audio("sound-hit");
soundBoom1 = game.add.audio("sound-boom1");
soundBoom2 = game.add.audio("sound-boom2");
soundWin = game.add.audio("sound-win");
soundOver = game.add.audio("sound-over");
soundStart.play();
map = game.add.tilemap("levels");
map.addTilesetImage("tile");
map.playTimer = 0;
map.playIndex = 0;
enemies = game.add.group();
enemies.enableBody = true;
for (var i=0; i<8; i++){
  var imgID=parseInt(i/4)*32+(i%4)*2;
  var enemy = enemies.create(0, 0, "enemy",imgID).kill();  
  enemy.animations.add("up",[imgID, imgID + 1], 5, true); 
  enemy.animations.add("right",[imgID + 8, imgID + 9], 5, true); 
  enemy.animations.add("down",[imgID + 16, imgID + 17], 5, true);
  enemy.animations.add("left",[imgID + 24, imgID + 25], 5, true);
  enemy.body.collideWorldBounds = true;
  enemy.timeToMove = 0;
}
//创建主角
player = game.add.sprite(26*8,38*8, "tank",0);  
game.physics.arcade.enable(player,Phaser.Physics.ARCADE);  
player.body.collideWorldBounds = true;
player.animations.add("up", [0, 1], 5, true); 
player.animations.add("right",[8, 9], 5, true); 
player.animations.add("down",[16, 17], 5, true);
player.animations.add("left", [24, 25], 5, true);
levelLayer = map.createLayer("level-"+_levelInfo[0]);
map.setCollisionByExclusion([5,6],true,levelLayer);
levelLayer.resizeWorld();
//按键
cursors = game.input.keyboard.createCursorKeys();
actKey  = game.input.keyboard.addKey(Phaser.Keyboard.SPACEBAR);
actKey.onDown.add(this.actKeyDown, this);
myFires = game.add.group();  
myFires.enableBody = true;
for (var i=0;i<2;i++){  //这里限制发弹数量
  var fire = myFires.create(0,0,"bullet",0).kill();
  fire.checkWorldBounds = true;
  fire.outOfBoundsKill = true;
}
enemyFires = game.add.group();
enemyFires.enableBody = true;
explodes = game.add.group(); //爆炸效果
explodes.enableBody = true;
bores = game.add.group();//这个就叫它敌机生成器吧
bores.enableBody = true;
bores.create(0,0,"bore",0).kill();
if(!game.device.desktop){
  this.addTouchKey(); //移动端显示虚拟按键
}
scoreText = game.add.text(16, 16, "Enemy: " + score, { fontSize: "16px", fill: "#fff" });  
scoreText.fixedToCamera=true;  
};
this.update = function(){
game.physics.arcade.collide(player, levelLayer, this.bossHit, null, this); 
game.physics.arcade.collide(enemies, levelLayer, this.bossHit, null, this); 
game.physics.arcade.overlap(player, enemies, this.tankHit, null, this); 
game.physics.arcade.overlap(player, enemyFires, this.fireHit, null, this); 
game.physics.arcade.overlap(enemies, myFires, this.fireHit, null, this);
game.physics.arcade.overlap(myFires, levelLayer, this.tileHit, null, this); 
game.physics.arcade.overlap(enemyFires, levelLayer, this.tileHit, null, this); 
player.body.velocity.setTo(0,0);
if(!isOver){
  if(cursors.right.isDown || touchRight){ 
    this.playerMove(8,0);
    player.animations.play("right");
    facing=1;
  }else if(cursors.left.isDown || touchLeft){
    this.playerMove(-8,0);
    player.animations.play("left");
    facing=3;
  }else if(cursors.up.isDown || touchUp){
    this.playerMove(0,-8);
    player.animations.play("up");
    facing=0;
  }else if(cursors.down.isDown || touchDown){
    this.playerMove(0,8);
    player.animations.play("down");
    facing=2;
  }else{
    player.animations.stop();
  }
  enemies.forEachAlive(this.enemyMove,this);
  //this.mapTilePlay(); // 水的动画效果
  this.enemyMake();
}
};
this.playerMove = function(xx,yy){
player.x = (yy!=0) ? Math.round(player.x/8)*8 : player.x;
player.y = (xx!=0) ? Math.round(player.y/8)*8 : player.y;
player.body.velocity.setTo(xx*8,yy*8);
};
this.enemyMove = function(enemy){
if(game.time.now>=enemy.timeToMove){
  var go = parseInt(Math.random()*7);
  go = go>3 ? go-3 : go; // 减少几率往上
  enemy.body.velocity.setTo((go==1?8:go==3?-8:0)*5,(go==0?-8:go==2?8:0)*5);
  enemy.animations.play(["up","right","down","left"][go]);
  enemy.timeToMove=game.time.now+Math.random()*2000;
  if(Math.random() < 0.5){  // 随机开炮...
    var xx = enemy.x+(go==3?0:go==1?10:5);
    var yy = enemy.y+(go==0?0:go==2?10:5);
    soundFire.play();
    var fire = enemyFires.getFirstDead(true, xx, yy,"bullet",go);
    fire.body.velocity.setTo((go==1?8:go==3?-8:0)*20,(go==2?8:go==0?-8:0)*20);
    fire.checkWorldBounds = true;
    fire.outOfBoundsKill = true;
  }
}
};

源码

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