今天看了一个博客 技能冷却,内部原理 没有看懂,但在他的基础上 加了一个代理方法,使外部类能够捕获到冷却结束。博客地址http://http://blog.csdn.net/z104207/article/details/8059098 无侵权意思,
效果:
首先 建了一个SkillButton的类
.h文件
ifndef _SKILLBUTTON_H_
#define _SKILLBUTTON_H_
#include "cocos2d.h"
class CMTouchSpriteProtocol;
class SkillButton : public cocos2d::CCNode
{
public:
SkillButton();
virtual ~SkillButton();
static SkillButton* createSkillButton(float cdTime,
const char* stencil_file_name,
const char* button_normal_name,
const char* button_click_name);
void setCDTime(float time) { mCDTime = time; }
float getCDTime() const { return mCDTime; }
void skillClickCallBack(cocos2d::CCObject* obj);
void skillCoolDownCallBack(cocos2d::CCNode* node);
CC_PROPERTY(CMTouchSpriteProtocol*, _touchSpriteProtocol, TouchSpriteProtocol);
private:
bool init(float cdTime, const char* stencil_file_name,const char* button_normal_name, const char* button_click_name);
private:
cocos2d::CCMenuItemImage* mItemSkill; // 技能按钮
cocos2d::CCMenu* mMenuSkill; // 技能按钮所在menu
cocos2d::CCSprite* mStencil; // 蒙板精灵,黑色半透明(这个是为了显示一个冷却计时效果)
cocos2d::CCProgressTimer* mProgressTimer; // 时间进度条精灵(360度旋转)
float mCDTime; // CD时间
};
class CMTouchSpriteProtocol {
public:
// optional
virtual void CMTouchSpriteSelectSprite(SkillButton*sprite) {
};
};
#endif
.m文件
#include "SkillButton.h"
USING_NS_CC;
SkillButton::SkillButton():
mItemSkill(NULL),
mMenuSkill(NULL),
mStencil(NULL),
mProgressTimer(NULL),
mCDTime(1.f)
{
}
SkillButton::~SkillButton()
{
}
SkillButton* SkillButton::createSkillButton(float cdTime, const char* stencil_file_name, constchar* button_normal_name, const char* button_click_name)
{
SkillButton* skillButton = new SkillButton();
if (skillButton && skillButton->init(cdTime, stencil_file_name, button_normal_name, button_click_name))
{
skillButton->autorelease();
return skillButton;
}
else
{
delete skillButton;
skillButton = NULL;
}
return NULL;
}
bool SkillButton::init(float cdTime, const char* stencil_file_name, const char* button_normal_name, const char* button_click_name)
{
CCAssert(stencil_file_name, "SkillButton::init stencil_file_name != NULL");
CCAssert(button_normal_name, "SkillButton::init button_normal_name != NULL");
CCAssert(button_click_name, "SkillButton::init button_click_name != NULL");
// Notice:添加child时要注意上下层
// 最下方是CCMenuItemImage 其次是模版图片 最上方是CCProgressTimer
// 添加技能按钮
mItemSkill = CCMenuItemImage::create(button_normal_name, button_click_name, this,menu_selector(SkillButton::skillClickCallBack));
mItemSkill->setPosition(CCPointZero);
mMenuSkill = CCMenu::create(mItemSkill, NULL);
mMenuSkill->setPosition(CCPointZero);
addChild(mMenuSkill, -100);
// 添加阴影模版
mStencil = CCSprite::create(stencil_file_name);
mStencil->setPosition(CCPointZero);
mStencil->setVisible(false);
addChild(mStencil);
// 添加旋转进度条精灵
CCSprite* progressSprite = CCSprite::create(button_normal_name);
mProgressTimer = CCProgressTimer::create(progressSprite);
mProgressTimer->setPosition(CCPointZero);
mProgressTimer->setVisible(false);
addChild(mProgressTimer, 100);
mCDTime = cdTime;
return true;
}
void SkillButton::skillClickCallBack(cocos2d::CCObject* obj)
{
// 冷却计时,即时状态技能按钮不可点击
mItemSkill->setEnabled(false);
// 模版可见
mStencil->setVisible(true);
// 设置精灵进度条为顺时针
mProgressTimer->setVisible(true);
mProgressTimer->setType(kCCProgressTimerTypeRadial);
//准备一个5秒旋转360度的动画(逐渐覆盖半透模板形成冷却效果;这里进行计时冷却动画的实现和时间控制)
CCActionInterval* action_progress_to = CCProgressTo::create(20, 100);
CCCallFunc* action_callback = CCCallFuncN::create(this,callfuncN_selector(SkillButton::skillCoolDownCallBack));
mProgressTimer->runAction(CCSequence::create(action_progress_to, action_callback, NULL));
}
void SkillButton::skillCoolDownCallBack(CCNode* node)
{
// 设置蒙板不可见
mStencil->setVisible(false);
// 进度条技能不可见
mProgressTimer->setVisible(false);
// 按钮置为可用
mItemSkill->setEnabled(true);
_touchSpriteProtocol->CMTouchSpriteSelectSprite(this);
}
// 设置协议
void SkillButton::setTouchSpriteProtocol(CMTouchSpriteProtocol *protocol) {
_touchSpriteProtocol = protocol;
}
CMTouchSpriteProtocol*SkillButton::getTouchSpriteProtocol() {
return _touchSpriteProtocol;
}
在 HelloWorldScene调用
#include "cocos2d.h"
#include "SkillButton.h"
class HelloWorld : public cocos2d::CCLayer,publicCMTouchSpriteProtocol
{
public:
virtual bool init();
static cocos2d::CCScene* scene();
SkillButton*mSkillButton;
void CMTouchSpriteSelectSprite(SkillButton *sprite);//重写代理方法
CREATE_FUNC(HelloWorld);
};
#endif
mSkillButton = SkillButton::createSkillButton(2.f, "stencil.png", "click.png","normal.png");
mSkillButton->setPosition(ccp(400/2, 400/2));
addChild(mSkillButton);
mSkillButton->setTouchSpriteProtocol(this);
重写代理方法void HelloWorld::CMTouchSpriteSelectSprite(SkillButton*button){
//做冷却结束的事件
}