Cocos2d 之FlyBird开发---GameUnit类

　　这节来实现GameUnit类中的一些函数方法，其实这个类一般是一个边写边完善的过程，因为一般很难一次性想全所有的能够供多个类共用的方法。下面贴上代码：

GameUnit.h

#ifndef _GAME_UNIT_H_

#define _GAME_UNIT_H_

//////////////////////////////////////////////////////////////////

//此文件中主要描述的是游戏经常使用到的一些变量和函数的集合

#include "cocos2d.h"

USING_NS_CC;

class unit : public cocos2d::Layer

{

private:

     cocos2d::Size visible;

     cocos2d::Vec2 origin;

     cocos2d::Animation* animation;

public:

     void displayNowScore(float);

     cocos2d::Size winSize();

     cocos2d::Vec2 winOrigin();

     cocos2d::Animation* gameAnimate(int);

     float scaleX(cocos2d::Sprite*, cocos2d::Size);

     float scaleY(cocos2d::Sprite*, cocos2d::Size);

     void goNullptr(cocos2d::Ref* pSender);

     //cocos2d::Sprite* createSprite(int);

};

#endif // _GAME_UNIT_H_

GameUnit.cpp

#include "GameUnit.h"

//取得当前屏幕的大小

cocos2d::Size unit::winSize()

{

     visible = cocos2d::Director::getInstance()->getVisibleSize();

     return visible;

}

//取得当前的屏幕的原点坐标

cocos2d::Vec2 unit::winOrigin()

{

     origin = cocos2d::Director::getInstance()->getVisibleOrigin();

     return origin;

}

//计算适合屏幕的缩放值

float unit::scaleX(cocos2d::Sprite* sprite, cocos2d::Size visible)

{

     return visible.width / sprite->getContentSize().width;

}

float unit::scaleY(cocos2d::Sprite* sprite, cocos2d::Size visible)

{

     return visible.height / sprite->getContentSize().height;

}

//合成游戏中的精灵的动画效果

cocos2d::Animation* unit::gameAnimate(int types)

{

     int i = 0;

     if (types <= 3 && types >= 1)

              //通过 .plist 文件来创建,取得动画创建的对象

              SpriteFrameCache::getInstance()->addSpriteFramesWithFile("bird/bird.plist");

     else

              SpriteFrameCache::getInstance()->addSpriteFramesWithFile("bird/number.plist");

     //使用一个Vector容器来保存这些对象.

     Vector<SpriteFrame*> frames;

     //将plist中的文件依次的去处来

     switch (types)

     {

     case 1:

              //红色小鸟

              for (i = 0; i < 3; i++)

              {

                      //循环取出每只小鸟

                      String* frameName = String::createWithFormat("bird0_%d.png", i);

                      //取得每只小鸟对应的名字

                      SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(frameName->getCString());

                      //将每只小鸟压入栈中

                      frames.pushBack(frame);

              }

              animation = Animation::createWithSpriteFrames(frames, 1.0f / 3.0f);

              break;

     case 2:

              //蓝色小鸟

              for (i = 0; i < 3; i++)

              {

                      String* frameName = String::createWithFormat("bird1_%d.png", i);

                      SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(frameName->getCString());

                      frames.pushBack(frame);

              }

              animation = Animation::createWithSpriteFrames(frames, 1.0f / 3.0f);

              break;

     case 3:

              //黄色小鸟

              for (i = 0; i < 3; i++)

              {

                      String* frameName = String::createWithFormat("bird2_%d.png", i);

                      SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(frameName->getCString());

                      frames.pushBack(frame);

              }

              animation = Animation::createWithSpriteFrames(frames, 1.0f / 3.0f);

              break;

     case 4:

              //黄色小鸟

              for (i = 1; i <= 3; i++)

              {

                      String* frameName = String::createWithFormat("n%d.png", i);

                      SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(frameName->getCString());

                      frames.pushBack(frame);

              }

              animation = Animation::createWithSpriteFrames(frames, 1.0f / 1.0f);

              break;

     default:

              CCLOG("Error, The create animation occur error!");

              break;

     }

     return animation;

}

cocos2d::Sprite* createSprite(int type)

{

     Sprite* sprite4 = Sprite::create("logo/medals1.png");

     Sprite* sprite3 = Sprite::create("logo/medals2.png");

     Sprite* sprite2 = Sprite::create("logo/medals3.png");

     Sprite* sprite1 = Sprite::create("logo/medals4.png");

     switch (type)

     {

              //award = NULL;

              //铜牌

     case 5:CCLOG("5");

              return sprite1;

              break;

              //白银

     case 10: CCLOG("10");

              return sprite2;

              break;

              //黄金

     case 20:CCLOG("20");

              return sprite3;

              break;

              //白金

     case 50:CCLOG("50");

              return sprite4;

              break;

     }

     return nullptr;

}

void displayNowScore(float time)

{

     /*

     int number = 0;

     int i = 0;

     //分离数字

     while (number)

     {

              switch (number%10)

              {

              case 0:

                      MenuItemImage* zero = NULL;

                      zero = MenuItemImage::create(

                               "number/zero.png",

                               "number/zero.png",

                               CC_CALLBACK_1(unit::goNullptr, this)

                               );

                      break;

              case 1:

                      MenuItemImage* one = NULL;

                      one = MenuItemImage::create(

                               "number/one.png",

                               "number/one.png",

                               CC_CALLBACK_1(unit::goNullptr, this)

                               );

                      break;

              case 2:

                      MenuItemImage* two = NULL;

                      two = MenuItemImage::create(

                               "number/two.png",

                               "number/two.png",

                               CC_CALLBACK_1(unit::goNullptr)

                               );

                      break;

              case 3:

                      Sprite* three = NULL;

                      three = Sprite::create("number/three.png");

                      break;

              case 4:

                      Sprite* frou = NULL;

                      frou = Sprite::create("number/frou.png");

                      break;

              case 5:

                      Sprite* five = NULL;

                      five = Sprite::create("number/five.png");

                      break;

              case 6:

                      Sprite* six = NULL;

                      six = Sprite::create("number/six.png");

                      break;

              case 7:

                      Sprite* seven = NULL;

                      seven = Sprite::create("number/seven.png");

                      break;

              case 8:

                      Sprite* eight = NULL;

                      eight = Sprite::create("number/eight.png");

                      break;

              case 9:

                      Sprite* nine = NULL;

                      nine = Sprite::create("number/nine.png");

                      break;

              }

              number = number / 10;

     }

     */

}

void unit::goNullptr(cocos2d::Ref* pSender) {}

每个函数的功能见：Cocos2d之FlyBird开发---简介

巴特西

Cocos2d 之FlyBird开发---GameUnit类

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