cocos2d-x开发初体验

动画帧工具类

ActionTool.h

#pragma once
#ifndef ActionTool_H__
#define ActionTool_H__

#include "cocos2d.h"
USING_NS_CC;

class ActionTool {
public:
    //无帧数量创建动画
    static Animate* animationWithFrameName(const char *frameName, int iloops, float delay);
    //有帧数量创建动画
    static Animate* animationWithFrameAndNum(const char *frameName, int num, float delay);

};
#endif // !ActionTool_H__s

---

ActionTool.cpp

• 引用头文件

  #include "ActionTool.h"

• 无帧数量创建动画

  Animate* ActionTool::animationWithFrameName(const char *each_name, int iloops, float delay)
  {
    SpriteFrame* frame = NULL;
    Animation* animation = Animation::create();
    int index = 1;
    //遍历所有可执行帧
    do {
        //通过名字来获取动画帧
        String *name = String::createWithFormat("%s%d",each_name,index++);
  
        frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(name->getCString());
        if (frame == NULL) {
            break;
        }
        animation->addSpriteFrame(frame);
    } while (true);
    animation->setDelayPerUnit(delay);
    animation->setRestoreOriginalFrame(true);
    Animate* animate = Animate::create(animation);
    return animate;
  }

• 有帧数量创建动画

  Animate* ActionTool::animationWithFrameAndNum(const char *frameName, int framecount, float delay) {
    SpriteFrame* frame = NULL;
    Animation* animation = Animation::create();
    int index = 1;
    for (int index = 1; index <= framecount; index++) {
        String *name = String::createWithFormat("%s%d", frameName, index++);
        frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(name->getCString());
        animation->addSpriteFrame(frame);
    }
    animation->setDelayPerUnit(delay);
    animation->setRestoreOriginalFrame(true);
    Animate* animate = Animate::create(animation);
    return animate;
  
    /*第二种方法
    //向量
    Vector<SpriteFrame*>animFrames;
    char str[20];
    for (int k = 1; k <= framecount; k++) {
        sprintf(str , "%s%d.png",frameName , k);
        SpriteFrame *frame = SpriteFrameCache::getInstance()->spriteFrameByName(str);
        animFrames.pushBack(frame);
    }
    return Animate::create(Animation::createWithSpriteFrames(animFrames, delay));
    */
  }