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Cocos2dx_有限状态机_1,
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#ifndef __MONKEY_H__
#define __MONKEY_H__
#include "cocos2d.h"
#include <time.h>
using namespace std;
using namespace cocos2d;
#define MAX_STOP_TIME 10
#define MAX_WALK_TIME 20
#define MAX_WALK_DIST 100
enum MonkeyState
{
stStop,stWalk,stTrun,};
class Monkey : public Node
{
public:
Monkey();
CREATE_FUNC(Monkey);
//override
virtual bool init();
virtual void update(float delta);
void changeState(MonkeyState newState);
void stop();
void walk();
void trun();
bool isStopTimeOut();
bool isWalkTimeOut();
bool isWalkOutBorder();
private:
Sprite* sp;
MonkeyState _curState;
time_t _curTime;
int _curPos;
int _curStep;
};
#endif
#include "Monkey.h"
Monkey::Monkey()
{
}
bool Monkey::init()
{
if (!Node::init())
{
return false;
}
this->_curPos = 0;
this->_curStep = 1;
this->_curState = NULL;
this->changeState(MonkeyState::stStop);
this->scheduleUpdate();
this->sp = Sprite::create("eraser.png");
sp:setPosition(Vec2(0,0));
this->addChild(this->sp);
return true;
}
void Monkey::update(float delta)
{
switch(this->_curState)
{
case stStop:
if (this->isStopTimeOut())
{
this->changeState(MonkeyState::stWalk);
this->walk();
}
break;
case stWalk:
this->walk();
if (this->isWalkOutBorder())
{
this->changeState(MonkeyState::stTrun);
this->trun();
}
else if (this->isWalkTimeOut())
{
this->changeState(MonkeyState::stStop);
this->stop();
}
break;
case stTrun:
this->changeState(MonkeyState::stWalk);
this->walk();
break;
}
}
void Monkey::changeState(MonkeyState newState)
{
this->_curState = newState;
this->_curTime = time(0);
}
void Monkey::stop()
{
log("stop()");
}
void Monkey::walk()
{
this->_curPos += this->_curStep;
this->sp->setPosition(Vec2(this->_curPos*0.5,0));
log("walk(): pos=%d",this->_curPos);
}
void Monkey::trun()
{
this->_curStep *= -1;
log("turn(): step=%d",this->_curStep);
}
bool Monkey::isStopTimeOut()
{
return (time(0) - this->_curTime > MAX_STOP_TIME);
}
bool Monkey::isWalkTimeOut()
{
return (time(0) - this->_curTime > MAX_WALK_TIME);
}
bool Monkey::isWalkOutBorder()
{
return (this->_curPos > MAX_WALK_DIST || this->_curPos < -MAX_WALK_DIST);
}
原文链接:https://www.f2er.com/cocos2dx/341485.html