用Quick-Cocos2d-x 3.3简单开发微信打飞机 -02

这次将实现子弹的配置文件，敌人的配置文件，子弹的精灵和敌人的精灵。以及子弹的发射和敌人的产生。

子弹的分析：

游戏中不可能只有一种子弹，这样子弹就需要一个配置文件，配置文件中有子弹的类型，子弹的贴图，子弹的生命以及子弹的移动速度。

敌人的分析：

同样，游戏中会出现多种敌人，所以，也需要一个敌人的配置文件，其中包括敌人的类型，贴图，速度，生命等属性。

在这里新建了一个目录（data）来存放配置文件。

data中有两个配置文件，一个是子弹的配置文件，一个是敌人的配置文件。

BulletConfig.lua源码

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config_bullets={} config_bullets[1]={ id=1, skin= "bullet_0.png" , life=10, speed=0.5 } config_bullets[2]={ id=2, "bullet_1.png" ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas, ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas, speed=0.2 }

EnermyConfig.lua源码

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config_enermy={} config_enermy[1]={ "enemy_b.png" speed=0.2, life=100 } config_enermy[2]={ "enemy_m.png" ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas, life=50 } config_enermy[3]={ id=3, "enemy_s.png" ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas, ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas, life=10 每一个配置文件对应一个精灵，即，子弹的配置文件对应的是子弹的精灵，敌人的配置文件对应的是敌人的精灵。 EnermySprite.lua源码： 20 21 22 23 24 25 26 27 28 29 30 localscheduler=require(cc.PACKAGE_NAME.. ".scheduler" ) localBulletSprite= class ( "BulletSprite" ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,function(path) return display.newSprite(path) end) functionBulletSprite:create(data) localbulleSprite=BulletSprite. new (data.skin) for k,vinpairs(data) do bulleSprite[k]=v end bulleSprite:init() bulleSprite end functionBulletSprite:ctor() end functionBulletSprite:init() --子弹移动的计时器 scheduler.scheduleGlobal(function() localspeed=(self.speed*display.height)/60 self:pos(self:getPositionX(),speed+self:getPositionY()) end,1.0/60) end BulletSprite EnermySprite.lua源码 24 localEnermySprite= "EnermySprite" functionEnermySprite:create(data) localenermy=EnermySprite. enermy[k]=v enermy:init() enermy end functionEnermySprite:init() scheduler.scheduleGlobal(function() localspeed=(self.speed*display.height)/60 ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,self:getPositionY()-speed) ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,1.0/60) end EnermySprite 这里实现了子弹和敌人，接着将他们添加到游戏主界面中就OK了。 在这里，我将它们都放在了一个计时器中，当然，实际上他们是不应该在一个计时器中的。因为，游戏中产生敌人和子弹的节奏应该是不一致的。 GameScene的源码如下： 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 require( "src/app/scenes/Utils" )--这个是我的一个工具类，这里没有用到，所以，有没有这句话都行 "src/app/data/EnermyConfig" ) localBulletConfig=require( "src/app/data/BulletConfig" ) localBulletSprite=import( ".BulletSprite" ) localEnermySprite=import( ".EnermySprite" ) ) localGameScene= "GameScene" ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,function() display.newScene( ) end) functionGameScene:ctor() --添加Player精灵 self.player=display.newSprite( "hero_1.png" ):addTo(self) self.player:pos(display.cx,display.cy) self.player:setLocalZOrder(10) self.touchPos=cc.p(0,0) self.bullets={} self.enermy={} --添加一个TouchLayer接收点击事件 self.touchLayer=display.newColorLayer(cc.c4b(255,255)):addTo(self) self.touchLayer:setTouchEnabled( true ) self.touchLayer:addNodeEventListener(cc.NODE_TOUCH_EVENT,function(event) if event.name== "began" then self.touchPos=cc.p(event.x,event.y) elseifevent.name== "moved" then localx=event.x-self.touchPos.x; localy=event.y-self.touchPos.y; ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,event.y); self:onTouch(x,y); else ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,0) end return true end) --添加子弹的创建计时器 scheduler.scheduleGlobal(function() self:createBullet()--这里将产生子弹和敌人放在了同一个计时器中，实际上不应该是这样的 self:createEnermy() ottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; margin:0px!important; outline:0px!important; overflow:visible!important; padding:0px!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,1)--1为时间 end functionGameScene:onTouch(x,y) --更新飞机的位置，没有对飞机是否会触屏做限制 self.player:pos(self.player:getPositionX()+x,self.player:getPositionY()+y) end functionGameScene:createBullet() localconfig=config_bullets[1] localbullet=BulletSprite:create(config):addTo(self) bullet:pos(self.player:getPosition()) self.bullets[bullet]=bullet end functionGameScene:createEnermy() --print( "createenermyschedule" ) localconfig=config_enermy[1] localx=math.random(100,400) localy=display.height+100 localenermy=EnermySprite:create(config):addTo(self) enermy:setPosition(cc.p(x,y)) self.enermy[enermy]=enermy end functionGameScene:onEnter() end functionGameScene:onExit() end GameScene 感谢本文笔者（最后的牛仔）的分享，Cocos引擎中文官网欢迎更多的开发者分享开发经验。来稿请发送至：[e-mail]。 相关文章 如何使用CCRenderTexture创建动态纹理 Cocos2d-x 2 1 4     本文实践自 RayWenderlich、Ali Hafizji 的文章《... 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