3Animation动画的创建，CCSpeed,CCFollow

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3Animation动画的创建，CCSpeed,CCFollow

2024-07-29 21:35:59 218人阅读

动画，不同于动作，动画并非属性的改变。而是对帧的播放。

2方法一

CCSprite * sp = CCSprite::create(“animation/p_2_01.png”);

sp->setPosition(ccp(240,160));

//注意：这里的CCRectMake中的参数都是相对自己来说的，前两个参数定义了一个点，80,80表示的是矩形的长，宽。

CCSpriteFrame * frame1 =

CCSpriteFrame::create("animation/p_2_01.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame2 =

CCSpriteFrame::create("animation/p_2_02.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame3 =

CCSpriteFrame::create("animation/p_2_03.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame4 =

CCSpriteFrame::create("animation/p_2_04.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame5 =

CCSpriteFrame::create("animation/p_2_05.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame6 =

CCSpriteFrame::create("animation/p_2_06.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame7 =

CCSpriteFrame::create("animation/p_2_07.png",CCRectMake(0,0,80,80))

;

CCSpriteFrame * frame8 =

CCSpriteFrame::create("animation/p_2_08.png",CCRectMake(0,0,80,80))

;

CCAnimation * animation = CCAnimation::create();

animation->addSpriteFrame(frame1);

animation->addSpriteFrame(frame2);

animation->addSpriteFrame(frame3);

animation->addSpriteFrame(frame4);

animation->addSpriteFrame(frame5);

animation->addSpriteFrame(frame6);

animation->addSpriteFrame(frame7);

animation->addSpriteFrame(frame8);

animation->setDelayPerUnit(0.1f);

animation->setLoops(kCCRepeatForever);

CCAnimate *animate = CCAnimate::create(animation);

sp->runAction(animate);

addChild(sp);

3方法二（对一的改进）

CCSprite * sp = CCSprite::create(“animation/p_2_01.png”);

sp->setPosition(ccp(240,160));

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFrameWithFile(“animation/plant.plist”);

char bufname[100];

CCArray * array = CCArray::create();

for(int I = 1;i<= 8;i++) {

memset(bufname,”p_2_0%d.png”,i);

CCSpriteFrame * frame = CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(bufname);

array->addObject(frame);

}

CCAnimation * animation = CCAnimation::createWithSpriteFrames(array,0.2f);

animation->setLoops(kCCRepeatForever);

CCAnimate * animate = CCAnimate::create(animation);

addChild(sp);

4更简单的

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile(“animation/plant.plist”);

char bufname[100];

CCAnimation * animation = CCAnimation::create();

for(int i = 1;i<=8;i++){

memset(bufname,sizeof(bufname),0);

sprint(bufname,”p_2_0%d.png”,i);

animation->addSpriteFrame(CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(bufname));

}

animation->setDelayPerUnit(0.2f);

animation->setLoops(kCCRepeatForever);

5案例说明：

T14Animation.h

#ifndef__T14Animation_H__

#define__T14Animation_H__

#include"cocos2d.h"

#include"TBack.h"

USING_NS_CC;

classT14Animation :publicTBack

{

public:

staticCCScene *scene();

CREATE_FUNC(T14Animation);

boolinit();

CCSprite *spr;

voidonEnter();

voidonEnterTransitionDidFinish();

};

#endif

T14Animation.cpp

#include"T14Animation.h"

#include"AppMacros.h"

CCScene *T14Animation::scene()

{

CCScene *scene =CCScene::create();

T14Animation *layer =T14Animation::create();

scene->addChild(layer);

returnscene;

}

boolT14Animation::init()

{

TBack::init();

returntrue;

}

//在进入场景的时候做以下操作

voidT14Animation::onEnter()

{

TBack::onEnter();

//以图片的方式创建一个精灵

spr =CCSprite::create("animation/p_2_01.png");

//设置精灵的显示位置

spr->setPosition(ccp(winSize.width / 2, winSize.height / 2));

addChild(spr);

}

voidT14Animation::onEnterTransitionDidFinish()

{

TBack::onEnterTransitionDidFinish();

//plist中是图片信息

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("animation/plant.plist");

//创建动画

CCAnimation *animation =CCAnimation::create();

//这个用于存储图片的名字

char nameBuf[100];

for (inti = 0;i < 8;i++)

{

memset(nameBuf, 0, sizeof(nameBuf));

sprintf(nameBuf,"p_2_0%d.png",i + 1);

animation->addSpriteFrame(CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(nameBuf));

}

//设置每次动画执行的时候的延时

animation->setDelayPerUnit(0.1f);

//这只循环两次

animation->setLoops(2);

CCAnimate *animate =CCAnimate::create(animation);

spr->runAction(animate);

}

动画效果（2秒钟内循环执行了20次）：

6 CCSpeed CCFollow

案例：

T15Speed.h

#ifndef _T15Speed_H__

#define_T15CCSpeed_H__

#include"cocos2d.h"

#include"TBack.h"

USING_NS_CC;

classT15Speed :publicTBack

{

public:

staticCCScene *scene();

CREATE_FUNC(T15Speed);

boolinit();

//英雄这个精灵

CCSprite *hero;

//食物这个精灵

CCSprite *food;

CCMoveBy *by;

voidupdate(floatdt);

};

#endif

T15Speed.cpp

#include"T15Speed.h"

#include"AppMacros.h"

CCScene *T15Speed::scene()

{

CCScene *scene =CCScene::create();

T15Speed *layer =T15Speed::create();

scene->addChild(layer);

returnscene;

}

boolT15Speed::init()

{

TBack::init();

hero =CCSprite::create("animation/hero.png");

hero->setPosition(ccp(100, 160));

addChild(hero);

by =CCMoveBy::create(10,ccp(300, 0));

hero->runAction(by);

food =CCSprite::create("animation/food.png");

food->setPosition(ccp(200, 160));

addChild(food);

//因为小人跑动的姿势都是一幅幅的动画效果组成，所以下面通过

//CCSpriteFrameCache的方式加载一系列的图片

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("animation/run.plist");

//创建动画效果

CCAnimation *animation =CCAnimation::create();

charnameBuf[100];

for (inti = 0;i < 15;i++)

{

memset(nameBuf, 0, sizeof(nameBuf));

//取出图片等信息

sprintf(nameBuf,"run%d.png",i + 1);

animation->addSpriteFrame(CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(nameBuf));

}

//图片切换的时候的时间延迟为0.1f

animation->setDelayPerUnit(0.1f);

//下面的方式表示永久循环

animation->setLoops(-1);

CCAnimate *animate =CCAnimate::create(animation);

hero->runAction(animate);

//开启定时器

scheduleUpdate();

returntrue;

}

voidT15Speed::update(floatdt)

{

//将boundingBox()缩放

CCRectheroRect =CCRect(hero->boundingBox().origin.x + 50,

hero->boundingBox().origin.y,

hero->boundingBox().size.width - 100,

hero->boundingBox().size.height);

//通过下面的方式实现：当人碰到豌豆了的时候移除豌豆

if (food&&heroRect.intersectsRect(food->boundingBox()))

{

//通过下面这句实现将food从主窗口中清除

food->removeFromParentAndCleanup(true);

food =NULL;

//通过CCSpeed将原来的速度增加5倍

CCSpeed *speed =CCSpeed::create(by, 5);

hero->runAction(speed);

}

运行结果：

吃豆之后：

CCFollow

T16CCFollow.h

#include"T16CCFollow.h"

#include"AppMacros.h"

CCScene *T16CCFollow::scene()

{

CCScene *scene =CCScene::create();

T16CCFollow *layer =T16CCFollow::create();

scene->addChild(layer);

returnscene;

}

boolT16CCFollow::init()

{

TBack::init();

//背景

CCSprite *bg =CCSprite::create("map.png");

//设置锚点

bg->setAnchorPoint(ccp(0, 0));

addChild(bg);

//创建一个英雄的精灵

hero =CCSprite::create("animation/hero.png");

hero->setPosition(ccp(240, 160));

addChild(hero);

//下面的代码是添加动画的代码

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("animation/run.plist");

CCAnimation *animation =CCAnimation::create();

charnameBuf[100];

for (inti = 0;i < 15;i++)

{

memset(nameBuf, 0, sizeof(nameBuf));

sprintf(nameBuf,"run%d.png",i + 1);

animation->addSpriteFrame(

CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(nameBuf));

}

animation->setDelayPerUnit(0.1f);

animation->setLoops(-1);

CCAnimate *animate =CCAnimate::create(animation);

hero->runAction(animate);

by =CCMoveBy::create(10,ccp(400, 0));;

//添加假动作

CCCallFuncN *func =CCCallFuncN::create(this,callfuncN_selector(T16CCFollow::funcNCallBack));

CCSequence *seq =CCSequence::create(by,func,NULL);

hero->runAction(seq);

//使用CCFollow的方式创建英雄

CCFollow *follow =CCFollow::create(hero);

this->runAction(follow);

returntrue;

}

voidT16CCFollow::funcNCallBack(CCNode * node)

{

CCSprite *spr = (CCSprite *)node;

CCLog("x = %g, y = %g",spr->getPositionX(),spr->getPositionY());

CCPointworld =this->convertToWorldSpace(spr->getPosition());

CCLog("x = %g, y = %g",world.x,world.y);

}

T16CCFollow.cpp

#include"T16CCFollow.h"

#include"AppMacros.h"

CCScene *T16CCFollow::scene()

{

CCScene *scene =CCScene::create();

T16CCFollow *layer =T16CCFollow::create();

scene->addChild(layer);

returnscene;

}

boolT16CCFollow::init()

{

TBack::init();

//背景

CCSprite *bg =CCSprite::create("map.png");

//设置锚点

bg->setAnchorPoint(ccp(0, 0));

addChild(bg);

//创建一个英雄的精灵

hero =CCSprite::create("animation/hero.png");

hero->setPosition(ccp(240, 160));

addChild(hero);

//下面的代码是添加动画的代码

CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("animation/run.plist");

CCAnimation *animation =CCAnimation::create();

charnameBuf[100];

for (inti = 0;i < 15;i++)

{

memset(nameBuf, 0, sizeof(nameBuf));

sprintf(nameBuf,"run%d.png",i + 1);

animation->addSpriteFrame(

CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByName(nameBuf));

}

animation->setDelayPerUnit(0.1f);

animation->setLoops(-1);

CCAnimate *animate =CCAnimate::create(animation);

hero->runAction(animate);

by =CCMoveBy::create(10,ccp(400, 0));;

//添加假动作

CCCallFuncN *func =CCCallFuncN::create(this,callfuncN_selector(T16CCFollow::funcNCallBack));

CCSequence *seq =CCSequence::create(by,func,NULL);

hero->runAction(seq);

//使用CCFollow的方式创建英雄

CCFollow *follow =CCFollow::create(hero);

this->runAction(follow);

returntrue;

}

voidT16CCFollow::funcNCallBack(CCNode * node)

{

CCSprite *spr = (CCSprite *)node;

CCLog("x = %g, y = %g",spr->getPositionX(),spr->getPositionY());

CCPointworld =this->convertToWorldSpace(spr->getPosition());

CCLog("x = %g, y = %g",world.x,world.y);

}

运行结果：

3Animation动画的创建，CCSpeed,CCFollow

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3Animation动画的创建，CCSpeed,CCFollow

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