cocos2dx 打武器玩法实现

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实现一个从空中飞来各种武器：飞镖，菜刀，斧头、刀子，还有各种蔬菜水果作为障碍物，所有东西飞向屏幕中央，主角站在正中心去躲避武器，武器打到身上会受到伤害，蔬菜水果不会，代码实现如下：

.h文件

#ifndef __SCATTER_H__
#define __SCATTER_H__
#include "cocos2d.h"
#include "Box2D/Box2D.h"
#include "Characters/Hero.h"

#include "Characters/Hero2.h"
#include "Characters/Hero3.h"
#include "Characters/Hero4.h"
#include "global.h"
class GameScene;
#include "Scene/GameScene.h"
USING_NS_CC;

 
 
class SmritiShadow:public CCNode
{
public:
	~SmritiShadow();
	void draw();
	CREATE_FUNC(SmritiShadow)
		bool init();
	void onDraw();
	static void reset();
	void setTarget(CCSprite* spr,CCTexture2D* tex);
	static CCGLProgram * pg;
	CCSprite* target;
	CCTexture2D *texture2d;
	Vertex *Vertices;
	long pretime;
	int arrcount;
	GLuint vertexBuffer;
	GLuint indexBuffer;

};
class BodyDef;
class b2Body;

namespace cocos2d {
	class GB2ShapeCache {
	public:
		// Static interface
		static GB2ShapeCache* sharedGB2ShapeCache(void);

	public:
		bool init();			
		void addShapesWithFile(const std::string &plist);
		void addFixturesToBody(b2Body *body,const std::string &shape);
		cocos2d::CCPoint anchorPointForShape(const std::string &shape);
		void reset();
		float getPtmRatio() { return ptmRatio; }
		~GB2ShapeCache() {}

	private:
		std::map<std::string,BodyDef *> shapeObjects;
		GB2ShapeCache(void) {}
		float ptmRatio;
	};
}
class ContactListener : public b2ContactListener
{
public:
	void BeginContact(b2Contact* contact);
	void EndContact(b2Contact* contact);
};
class Scatter:public CCNode
{
public:
	~Scatter();
	static Scatter* gthis;
	virtual void draw();
	void onDraw();
	CREATE_FUNC(Scatter)
	bool init();
	void addNewSpriteWithCoords(CCPoint p);
	void addBullet(int dr);
	void update(float dt);
	void porr();
	void setdifficulty(float df);
	void touchhandle(CCPoint curpt);
	void attackhandle(b2Body* b);
	void reset();
	void delayremove(CCNode* node,void* param);
	void setHitct(int ct);
	void setOverListener(CCObject* pSelectorTarget,SEL_CallFunc win,SEL_CallFunc fail);
	CCObject* m_pSelector;
	ContactListener* contactListener;
	CCTexture2D *texture2d;
	SEL_CallFunc m_wsc,m_fsc;
	b2World *m_world;
	std::vector<b2Body*> m_bodies;
	void setoff(float x);
	Hero *hero;
	float m_level,m_levelf;
	long pretime,pretimef;
	float attackdelay;
	CCPoint attackpoint;
	int m_curhitcount,m_hitct;
	int isover,ispause,status;
	float speed;
	float  xoff;
	float mindis;
	void actionOver(CCObject* node,void* param);
	std::map<CCSprite*,CCNode*> m_tars;

	long m_killemenynum; //杀敌数目
	long m_levelscore;//关卡分数
	long m_herohurttimes;//主角受伤次数
	long m_goldNum;
	long m_combomnum;
	long m_maxcombom;
	long m_perfectnum;
	long m_greatenum;
	GameScene *m_s;
	int hurts[7];
	void UpdateLevelData();//更新关卡分数和敌人数目
	void PlayEffects();

};

#endif

.cpp文件 
#include "Scatter.h"
#include "Scene/GameLayer.h"
#include "Common/GameSound.h"
#include "Common/Defines.h"
#include "Common/Game.h"
#include "Common/EnterStageDataExchange.h"
#include "Modules/Archive.h"
#include "SuckBlood.h"
#include "GameLogic/GameLogic.h"
class FixtureDef {
public:
	FixtureDef()
		: next(NULL) {}

	~FixtureDef() {
		delete next;
		delete fixture.shape;
	}

	FixtureDef *next;
	b2FixtureDef fixture;
	int callbackData;
};

class BodyDef {
public:
	BodyDef()
		: fixtures(NULL) {}

	~BodyDef() {
		if (fixtures)
			delete fixtures;
	}

	FixtureDef *fixtures;
	CCPoint anchorPoint;
};

static GB2ShapeCache *_sharedGB2ShapeCache = NULL;

GB2ShapeCache* GB2ShapeCache::sharedGB2ShapeCache(void) {
	if (!_sharedGB2ShapeCache) {
		_sharedGB2ShapeCache = new GB2ShapeCache();
		_sharedGB2ShapeCache->init();
	}

	return _sharedGB2ShapeCache;
}

bool GB2ShapeCache::init() {
	return true;
}

void GB2ShapeCache::reset() {
	std::map<std::string,BodyDef *>::iterator iter;
	for (iter = shapeObjects.begin() ; iter != shapeObjects.end() ; ++iter) {
		delete iter->second;
	}
	shapeObjects.clear();
}

void GB2ShapeCache::addFixturesToBody(b2Body *body,const std::string &shape) {
	std::map<std::string,BodyDef *>::iterator pos = shapeObjects.find(shape);
	assert(pos != shapeObjects.end());

	BodyDef *so = (*pos).second;

	FixtureDef *fix = so->fixtures;
	while (fix) {
		body->CreateFixture(&fix->fixture);
		fix = fix->next;
	}
}

cocos2d::CCPoint GB2ShapeCache::anchorPointForShape(const std::string &shape) {
	std::map<std::string,BodyDef *>::iterator pos = shapeObjects.find(shape);
	assert(pos != shapeObjects.end());

	BodyDef *bd = (*pos).second;
	return bd->anchorPoint;
}


void GB2ShapeCache::addShapesWithFile(const std::string &plist) {

	//const char *fullName = CCFileUtils::sharedFileUtils()->fullPathForFilename(plist.c_str()).c_str();

	CCDictionary *dict = CCDictionary::createWithContentsOfFile(plist.c_str());
	// not triggered - cocos2dx delivers empty dict if non was found

	CCAssert(dict != NULL,"Shape-file not found");

	CCAssert(dict->count() != 0,"plist file empty or not existing");

	CCDictionary *MetadataDict = (CCDictionary *)dict->objectForKey("Metadata");

	int format = static_cast<CCString *>(MetadataDict->objectForKey("format"))->intValue();
	ptmRatio = static_cast<CCString *>(MetadataDict->objectForKey("ptm_ratio"))->floatValue();
	CCLOG("ptmRatio = %f",ptmRatio);
	CCAssert(format == 1,"Format not supported");


	CCDictionary *bodyDict = (CCDictionary *)dict->objectForKey("bodies");

	b2Vec2 vertices[b2_maxPolygonVertices];

	CCDictElement *dictElem;
	std::string bodyName;
	CCDictionary *bodyData;
	//iterate body list
	CCDICT_FOREACH(bodyDict,dictElem )
	{
		bodyData = (CCDictionary*)dictElem->getObject();
		bodyName = dictElem->getStrKey();


		BodyDef *bodyDef = new BodyDef();
		bodyDef->anchorPoint = CCPointFromString(static_cast<CCString *>(bodyData->objectForKey("anchorpoint"))->getCString());
		CCArray *fixtureList = (CCArray*)(bodyData->objectForKey("fixtures"));
		FixtureDef **nextFixtureDef = &(bodyDef->fixtures);

		//iterate fixture list
		CCObject *arrayElem;
		CCARRAY_FOREACH(fixtureList,arrayElem)
		{
			b2FixtureDef basicData;
			CCDictionary* fixtureData = (CCDictionary*)arrayElem;

			basicData.filter.categoryBits = static_cast<CCString *>(fixtureData->objectForKey("filter_categoryBits"))->intValue();

			basicData.filter.maskBits = static_cast<CCString *>(fixtureData->objectForKey("filter_maskBits"))->intValue();
			basicData.filter.groupIndex = static_cast<CCString *>(fixtureData->objectForKey("filter_groupIndex"))->intValue();
			basicData.friction = static_cast<CCString *>(fixtureData->objectForKey("friction"))->floatValue();

			basicData.density = static_cast<CCString *>(fixtureData->objectForKey("density"))->floatValue();

			basicData.restitution = static_cast<CCString *>(fixtureData->objectForKey("restitution"))->floatValue();

			basicData.isSensor = (bool)static_cast<CCString *>(fixtureData->objectForKey("isSensor"))->intValue();

			CCString *cb = static_cast<CCString *>(fixtureData->objectForKey("userdataCbValue"));

			int callbackData = 0;

			if (cb)
				callbackData = cb->intValue();

			std::string fixtureType = static_cast<CCString *>(fixtureData->objectForKey("fixture_type"))->m_sString;

			if (fixtureType == "POLYGON") {
				CCArray *polygonsArray = (CCArray *)(fixtureData->objectForKey("polygons"));

				CCObject *dicArrayElem;
				CCARRAY_FOREACH(polygonsArray,dicArrayElem)
				{
					FixtureDef *fix = new FixtureDef();
					fix->fixture = basicData; // copy basic data
					fix->callbackData = callbackData;

					b2PolygonShape *polyshape = new b2PolygonShape();
					int vindex = 0;

					CCArray *polygonArray = (CCArray*)dicArrayElem;

					assert(polygonArray->count() <= b2_maxPolygonVertices);

					CCObject *piter;
					CCARRAY_FOREACH(polygonArray,piter)
					{
						CCString *verStr = (CCString*)piter;
						CCPoint offset = CCPointFromString(verStr->getCString());
						vertices[vindex].x = (offset.x / ptmRatio) ;
						vertices[vindex].y = (offset.y / ptmRatio) ;
						vindex++;
					}

					polyshape->Set(vertices,vindex);
					fix->fixture.shape = polyshape;

					// create a list
					*nextFixtureDef = fix;
					nextFixtureDef = &(fix->next);
				}


			}
			else if (fixtureType == "CIRCLE") {
				FixtureDef *fix = new FixtureDef();
				fix->fixture = basicData; // copy basic data
				fix->callbackData = callbackData;

				CCDictionary *circleData = (CCDictionary *)fixtureData->objectForKey("circle");

				b2CircleShape *circleShape = new b2CircleShape();

				circleShape->m_radius = static_cast<CCString *>(circleData->objectForKey("radius"))->floatValue() / ptmRatio;
				CCPoint p = CCPointFromString(static_cast<CCString *>(circleData->objectForKey("position"))->getCString());
				circleShape->m_p = b2Vec2(p.x / ptmRatio,p.y / ptmRatio);
				fix->fixture.shape = circleShape;

				// create a list
				*nextFixtureDef = fix;
				nextFixtureDef = &(fix->next);

			}
			else {
				CCAssert(0,"Unknown fixtureType");
			}
		}
		// add the body element to the hash
		shapeObjects[bodyName] = bodyDef;

	}

}

const char* vertshader="\
					   attribute vec4 a_position;\
					   attribute vec2 a_texCoord;\
					   attribute vec4 a_color;\
					   varying vec4 v_fragmentColor;\
					   varying vec2 v_texCoord;\
					   void main()\
					   {\
					   gl_Position = CC_MVPMatrix * a_position;\
					   v_fragmentColor = a_color;\
					   v_texCoord = a_texCoord;\
					   }";
const char* fragshader="\
					   varying vec4 v_fragmentColor;\
					   varying vec2 v_texCoord;\
					   uniform sampler2D CC_Texture0;\
					   void main()\
					   { \
					   vec4 color=texture2D(CC_Texture0,v_texCoord);\
					   gl_FragColor =color*v_fragmentColor.a;\
					   }";
CCGLProgram * SmritiShadow::pg=0;
void SmritiShadow::draw()
{
	onDraw();
	CCNode::draw();
}
void SmritiShadow::onDraw()
{  
	struct timeval tv;
	gettimeofday(&tv,NULL); 
	long ct=tv.tv_sec*1000000+tv.tv_usec;
	if(ct-pretime>50000)
	{
		pretime=ct;
		arrcount=0;
		for(int i=0;i<20;i+=4)
		{
			Vertices[i].Position[0]=Vertices[i+4].Position[0];
			Vertices[i].Position[1]=Vertices[i+4].Position[1];
			Vertices[i+1].Position[0]=Vertices[i+5].Position[0];
			Vertices[i+1].Position[1]=Vertices[i+5].Position[1];
			Vertices[i+2].Position[0]=Vertices[i+6].Position[0];
			Vertices[i+2].Position[1]=Vertices[i+6].Position[1];
			Vertices[i+3].Position[0]=Vertices[i+7].Position[0];
			Vertices[i+3].Position[1]=Vertices[i+7].Position[1];
		}
		CCSize sz=texture2d->getContentSize();
		CCPoint pos=target->getPosition();
		CCPoint midp=pos;
		CCSize sz1=target->getContentSize();
		bool bfx=target->isFlipX();
		bool bfy=target->isFlipY();
		CCPoint ap=target->getAnchorPoint();
		float rad=CC_DEGREES_TO_RADIANS(target->getRotation());
		pos.x-=sz1.width*ap.x;
		pos.y-=sz1.height*ap.y;
		float s=sin(-rad);
		float c=cos(-rad);
		Vertices[20].Position[0]=c*pos.x-s*pos.y+(1-c)*midp.x+s*midp.y;
		Vertices[20].Position[1]=s*pos.x+c*pos.y-s*midp.x+(1-c)*midp.y;
		Vertices[21].Position[0]=c*(pos.x+sz.width)-s*pos.y+(1-c)*midp.x+s*midp.y;
		Vertices[21].Position[1]=s*(pos.x+sz.width)+c*pos.y-s*midp.x+(1-c)*midp.y;
		Vertices[22].Position[0]=c*pos.x-s*(pos.y+sz.height)+(1-c)*midp.x+s*midp.y;
		Vertices[22].Position[1]=s*pos.x+c*(pos.y+sz.height)-s*midp.x+(1-c)*midp.y;
		Vertices[23].Position[0]=c*(pos.x+sz.width)-s*(pos.y+sz.height)+(1-c)*midp.x+s*midp.y;
		Vertices[23].Position[1]=s*(pos.x+sz.width)+c*(pos.y+sz.height)-s*midp.x+(1-c)*midp.y;
		float tempx=0,tempy=0;
		if(bfx)
		{
			tempx=Vertices[20].Position[0];
			tempy=Vertices[20].Position[1];
			Vertices[20].Position[0]=Vertices[21].Position[0];
			Vertices[20].Position[1]=Vertices[21].Position[1];
			Vertices[21].Position[0]=tempx;
			Vertices[21].Position[1]=tempy;
			tempx=Vertices[22].Position[0];
			tempy=Vertices[22].Position[1];
			Vertices[22].Position[0]=Vertices[23].Position[0];
			Vertices[22].Position[1]=Vertices[23].Position[1];
			Vertices[23].Position[0]=tempx;
			Vertices[23].Position[1]=tempy;
		}
		if(bfy)
		{
			tempx=Vertices[20].Position[0];
			tempy=Vertices[20].Position[1];
			Vertices[20].Position[0]=Vertices[22].Position[0];
			Vertices[20].Position[1]=Vertices[22].Position[1];
			Vertices[22].Position[0]=tempx;
			Vertices[22].Position[1]=tempy;
			tempx=Vertices[21].Position[0];
			tempy=Vertices[21].Position[1];
			Vertices[21].Position[0]=Vertices[23].Position[0];
			Vertices[21].Position[1]=Vertices[23].Position[1];
			Vertices[23].Position[0]=tempx;
			Vertices[23].Position[1]=tempy;
		}
		for(int i=16;i>=0;i-=4)
		{
			if(Vertices[i].Position[0]==Vertices[20].Position[0])
			{
				arrcount+=1;
			}
		}
	}
	 
	float dst=771,src=1;
	glEnable(GL_BLEND);
	glBlendFunc(GL_ONE,GL_ONE);
	glEnable(GL_DEPTH_TEST);
	glDepthFunc(GL_LEQUAL);
	pg->use();
	pg->setUniformsForBuiltins();

	GLushort iarr[]={0,1,2,3,0+4,1+4,2+4,3+4,0+8,1+8,2+8,3+8,0+12,1+12,2+12,3+12,0+16,1+16,2+16,3+16};
	glBindBuffer(GL_ARRAY_BUFFER,vertexBuffer);
	glBufferData(GL_ARRAY_BUFFER,sizeof(Vertex)*20,Vertices,GL_STATIC_DRAW);
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,indexBuffer);
	glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(iarr),iarr,GL_STATIC_DRAW);

	GLint _positionLocation = glGetAttribLocation(pg->getProgram(),"a_position");
	GLint _colorLocation = glGetAttribLocation(pg->getProgram(),"a_color");
	GLint _textureLocation = glGetAttribLocation(pg->getProgram(),"a_texCoord");
	GLint _textureUniform = glGetUniformLocation(pg->getProgram(),"CC_Texture0");

	glEnableVertexAttribArray(_positionLocation);
	glEnableVertexAttribArray(_colorLocation);
	glEnableVertexAttribArray(_textureLocation);

	glVertexAttribPointer(_positionLocation,GL_FLOAT,GL_FALSE,sizeof(Vertex),(GLvoid*)offsetof(Vertex,Position));

	glVertexAttribPointer(_colorLocation,4,Color));

	glVertexAttribPointer(_textureLocation,TexCoord));
	ccGLBindTexture2DN(0,texture2d->getName());
	glUniform1i(_textureUniform,0);
	glDrawElements(GL_TRIANGLES,sizeof(iarr)/sizeof(GLushort)-arrcount*6,GL_UNSIGNED_SHORT,0);
	glDisable(GL_DEPTH_TEST);
	glBlendFunc(src,dst);
	glBindBuffer(GL_ARRAY_BUFFER,0);
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);
}
SmritiShadow::~SmritiShadow()
{
	glDeleteBuffers(1,&vertexBuffer);
	glDeleteBuffers(1,&indexBuffer);
	delete[] Vertices;
}
void SmritiShadow::setTarget(CCSprite* spr,CCTexture2D* tex)
{
	target=spr;
	texture2d=tex;
	CCSize sz=tex->getContentSize();
	CCSize sz1=spr->getContentSize();
	CCPoint pos=spr->getPosition();
	CCPoint ap=target->getAnchorPoint();
	pos.x-=sz1.width*ap.x;
	pos.y-=sz1.height*ap.y;
	for(int i=0;i<24;i+=4)
	{
		Vertices[i].Position[0]=pos.x;
		Vertices[i].Position[1]=pos.y;
		Vertices[i].Position[2]=0;
		Vertices[i+1].Position[0]=pos.x+sz.width;
		Vertices[i+1].Position[1]=pos.y;
		Vertices[i+1].Position[2]=0;
		Vertices[i+2].Position[0]=pos.x;
		Vertices[i+2].Position[1]=pos.y+sz.height;
		Vertices[i+2].Position[2]=0;
		Vertices[i+3].Position[0]=pos.x+sz.width;
		Vertices[i+3].Position[1]=pos.y+sz.height;
		Vertices[i+3].Position[2]=0;
	}
}
void SmritiShadow::reset()
{
	if(pg)
	{
		pg->reset();
		pg->initWithVertexShaderByteArray(vertshader,fragshader);
		pg->addAttribute(kCCAttributeNamePosition,kCCVertexAttrib_Position);
		pg->addAttribute(kCCAttributeNameColor,kCCVertexAttrib_Color);
		pg->addAttribute(kCCAttributeNameTexCoord,kCCVertexAttrib_TexCoords);
		pg->link();
		pg->updateUniforms();
	}
}

bool SmritiShadow::init()
{
	struct timeval tv;
	gettimeofday(&tv,NULL); 
	long ct=tv.tv_sec*1000000+tv.tv_usec;
	pretime=ct;
	arrcount=0;
	Vertices=new Vertex[4*6];
	for(int i=0;i<24;i+=4)
	{
		Vertices[i].Color[3]=0.2*(i/4+1);
		Vertices[i].TexCoord[0]=0;
		Vertices[i].TexCoord[1]=1;
		Vertices[i+1].Color[3]=0.2*(i/4+1);
		Vertices[i+1].TexCoord[0]=1;
		Vertices[i+1].TexCoord[1]=1;
		Vertices[i+2].Color[3]=0.2*(i/4+1);
		Vertices[i+2].TexCoord[0]=0;
		Vertices[i+2].TexCoord[1]=0;
		Vertices[i+3].Color[3]=0.2*(i/4+1);
		Vertices[i+3].TexCoord[0]=1;
		Vertices[i+3].TexCoord[1]=0;
	}
	glGenBuffers( 1,&vertexBuffer );
	glGenBuffers( 1,&indexBuffer );
	texture2d=0;
	target=0; 
	if(pg==0)
	{
		pg=new CCGLProgram();
		pg->initWithVertexShaderByteArray(vertshader,fragshader);
		pg->link();
		pg->updateUniforms();
	}
	return true;
}
void ContactListener::BeginContact(b2Contact* contact)
{
	b2Body* bodyA = contact->GetFixtureA()->GetBody();
	b2Body* bodyB = contact->GetFixtureB()->GetBody();
	CCSprite* spriteA = (CCSprite*)bodyA->GetUserData();
	CCSprite* spriteB = (CCSprite*)bodyB->GetUserData();
	if((int)spriteA==1)
	{
		int tag=spriteB->getTag()-500;
		int tag1=spriteB->getTag()-600;
		if((tag>=2&&tag<=4)||(tag1>=1&&tag1<=7))
		{
			std::vector<b2Body*>::iterator iter=std::find(Scatter::gthis->m_bodies.begin(),Scatter::gthis->m_bodies.end(),bodyB);
			if(iter==Scatter::gthis->m_bodies.end())
			  Scatter::gthis->m_bodies.push_back(bodyB);
		}
	}
	if((int)spriteB==1)
	{
		int tag=spriteA->getTag()-500;
		int tag1=spriteA->getTag()-600;
		if((tag>=2&&tag<=4)||(tag1>=1&&tag1<=7))
		{
			std::vector<b2Body*>::iterator iter=std::find(Scatter::gthis->m_bodies.begin(),bodyA);
			if(iter==Scatter::gthis->m_bodies.end())
			  Scatter::gthis->m_bodies.push_back(bodyA);
		}
	}
}


void ContactListener::EndContact(b2Contact* contact)
{
}
Scatter* Scatter::gthis=0;
void Scatter::draw()
{
	CCNode::draw();
	onDraw();
}

void Scatter::onDraw()
{    
}
void Scatter::addNewSpriteWithCoords(CCPoint p)
{
	std::string name;
	char sname[32];
	int rd=rand()%4+1;
	sprintf(sname,"fruit%d",rd);
	name=sname;
	CCSprite *sprite = CCSprite::create((name+".png").c_str());
	p.x+=xoff; 
	sprite->setPosition(p);
	sprite->setTag(500+rd);
	addChild(sprite);

	b2BodyDef bodyDef;
	bodyDef.type = b2_dynamicBody;

	bodyDef.position.Set(p.x/32.0,p.y/32.0);
	bodyDef.userData = sprite;
	b2Body *body = m_world->CreateBody(&bodyDef);

	GB2ShapeCache *sc = GB2ShapeCache::sharedGB2ShapeCache();
	sc->addFixturesToBody(body,sname); 
	sprite->setAnchorPoint(sc->anchorPointForShape(sname));
	b2Vec2 wd=body->GetWorldCenter();
	body->SetAngularDamping(1.5);
	int dr=1;
	dr=p.x<480+xoff?1:-1;
	body->ApplyLinearImpulse(b2Vec2(dr*(10*m_level+rand()%10),2+rand()%10),b2Vec2(wd.x-0.1,wd.y+0.2));

}
void Scatter::addBullet(int dr)
{
	char sname[32];
	int rd=rand()%6+1;
	sprintf(sname,"tool%d",rd);
	std::string name=sname;
	name=name+".png";
	CCSprite *sprite = CCSprite::create(name.c_str());
	float x=0,px=0;
	if(dr==1)
	{
		x=-140;
		px=20*m_level;
		sprite->setFlipX(true);
	}
	else  
	{
		x=1100;
		px=-20*m_level;
	}
	float vh=10+rand()%290;
	if(rd==6||rd==7)
	{
		vh=0;
	}
	sprite->setTag(600+rd);
	CCPoint p=ccp(x,250+vh);
	sprite->setPosition(p);
	addChild(sprite,1);
    SmritiShadow* pp=SmritiShadow::create();
	char tname[32];
	sprintf(tname,"tool%d_s.png",rd);
	pp->setTarget(sprite,CCTextureCache::sharedTextureCache()->textureForKey(tname));
	pp->setTag(10);
	addChild(pp);
	m_tars.insert(std::map<CCSprite*,CCNode*>::value_type(sprite,pp));
	b2BodyDef bodyDef;
	bodyDef.type = b2_dynamicBody;
	bodyDef.position.Set((p.x+xoff)/32.0,p.y/32.0);
	bodyDef.userData = sprite;
	b2Body *body = m_world->CreateBody(&bodyDef);
	GB2ShapeCache *sc = GB2ShapeCache::sharedGB2ShapeCache();
	sc->addFixturesToBody(body,sname); 
	sprite->setAnchorPoint(sc->anchorPointForShape(sname));
	b2Fixture*  bf=body->GetFixtureList();
	while(bf)
	{
		bf->SetSensor(true);
		bf=bf->GetNext();
	}
	px*=body->GetMass();
	b2Vec2 wd=body->GetWorldCenter();
	body->SetGravityScale(0);
	body->SetAngularDamping(1.0);
	body->ApplyLinearImpulse(b2Vec2(px,-(vh/570.0)*abs(px)),b2Vec2(wd.x-0.2,wd.y+0.2));
}
void Scatter::setdifficulty(float df)
{
	m_level=df;
}
void Scatter::actionOver(CCObject* node,void* param)
{
	CCNode* snode=(CCNode*)node;
	snode->removeFromParentAndCleanup(true);
}
void Scatter::porr()
{
	if(ispause==0)
	{
		unscheduleUpdate();
		ispause=1;
	}
	else
	{
		scheduleUpdate();
		ispause=0;
	}
}
void Scatter::setHitct(int ct)
{
   m_hitct=ct;
}
void Scatter::attackhandle(b2Body* b)
{
	CCSprite* myActor = (CCSprite*)b->GetUserData();
	int tag=myActor->getTag();
	float ax=myActor->getPositionX();
	CCRect rc1=myActor->boundingBox();
	CCRect rc2 =hero->boundingBox();
	rc2=CCRect(rc2.origin.x-rc2.size.width/3,rc2.origin.y,rc2.size.width*(1.0+2.0/3.0),rc2.size.height);
	//int dis=ccpDistance(hero->getPosition(),myActor->getPosition());
	if(((attackpoint.x>480&&b->GetLinearVelocity().x<0)||(attackpoint.x<480&&b->GetLinearVelocity().x>0))&&((tag>600))&&rc1.intersectsRect(rc2))
	{
		status=2;
		b->SetGravityScale(5);
		b2Vec2 wd=b->GetWorldCenter();
		struct timeval now;
		gettimeofday(&now,NULL);
		srand(now.tv_sec*1000000+now.tv_usec);
		b2Vec2 bm=b->GetLinearVelocity();
		int dr=1;
		if(bm.x>0) dr=-1;
		b->ApplyLinearImpulse(b2Vec2(dr*(80+rand()%20),20+rand()%70),wd.y+0.2));
		b2Fixture*  bf=b->GetFixtureList();
		while(bf)
		{
			bf->SetSensor(false);
			bf=bf->GetNext();
		}
		tag=tag-600;
		if(tag>3)
			myActor->setTag(0);

		attackdelay=0;
		GameSound::getGameSound()->PlaySoundsEffect(sound_hero_hero_hit1);
		char effectname[100];
		if(EnterStageDataExchange::getInstance()->m_chaID==1)
		{
			CCArmatureDataManager::sharedArmatureDataManager()->addArmatureFileInfo("export/robot_hurt_effects/gx20.png","export/robot_hurt_effects/gx20.plist","export/robot_hurt_effects/gx2.ExportJson");
			sprintf(effectname,"gx2");
		}
		else if(EnterStageDataExchange::getInstance()->m_chaID==2)
		{
			CCArmatureDataManager::sharedArmatureDataManager()->addArmatureFileInfo("export/kaka_effects/gx100.png","export/kaka_effects/gx100.plist","export/kaka_effects/gx10.ExportJson");
			sprintf(effectname,"gx10");
		}
		else if(EnterStageDataExchange::getInstance()->m_chaID==3)
		{
			sprintf(effectname,"gx2");
		}
		else if(EnterStageDataExchange::getInstance()->m_chaID==4)
		{
			CCArmatureDataManager::sharedArmatureDataManager()->addArmatureFileInfo("export/bruece_effects/ef070.png","export/bruece_effects/ef070.plist","export/bruece_effects/ef07.ExportJson");
			sprintf(effectname,"ef07");
		}
		
	//	CCArmatureDataManager::sharedArmatureDataManager()->addArmatureFileInfo("export/robot_hurt_effects/gx20.png","export/robot_hurt_effects/gx2.ExportJson");
		cocos2d::extension::CCArmature *armature = NULL;
		armature = cocos2d::extension::CCArmature::create(effectname);
		armature->getAnimation()->playByIndex(0);
		ccBlendFunc blend1;
		blend1.src = GL_ONE; //GL_ONE,GL_DST_ALPHA;GL_ONE_MINUS_DST_ALPHA
		blend1.dst = GL_ONE;//GL_ZERO;//GL_ONE_MINUS_SRC_ALPHA;

		armature->setBlendFunc(blend1);

		armature->setPosition(ccp(hero->getPositionX()+70,hero->getPositionY()+100));
		 
		if(EnterStageDataExchange::getInstance()->m_chaID!=4)
		{
	 	armature->setScale(2.0);
		}
		else
		{
		 armature->setScale(1.0);
		}
		 long rate_tag=10;
		 switch(tag)
		 {
		 case  1:
			 rate_tag=10;
			 break;
		 case  2:
			 rate_tag=10;
			 break;
		 case 3:
			 rate_tag=15;
			 break;
		 case  4:
			 rate_tag=10;
			 break;
		 case 5:
			 rate_tag=10;
			 break;
		 case 6:
			 rate_tag=20;
			 break;
		 default:
			  rate_tag=10;
			 break;
		 }
		bool Is_addblood=GameLogic::getGameLogic()->GetRandRate(rate_tag);
		CCPoint skpos;
		SuckBlood* suck=NULL;
		if(Is_addblood)
		{
	      suck=SuckBlood::create(this);
		 skpos=ccp(480+60,hero->getPositionY()+110);
		suck->runAction(CCSequence::create(CCDelayTime::create(1),CCRemoveSelf::create(true),0));

	 
		long addblood=random_range(5,15);
		long curhp=hero->GetHeroHP()+addblood;

		if(curhp>m_s->m_hero_HP)
		{
			curhp=m_s->m_hero_HP;
		}
		hero->SetHeroHP(curhp);

		}
		if(attackpoint.x<480)
		{
			skpos.x=480-60;
			if(EnterStageDataExchange::getInstance()->m_chaID!=4)
			{
				armature->setScale(-2.0);
			}
			else
			{
				armature->setScale(-1.0);
			}
			armature->setRotation(120);

			armature->setPosition(ccp(hero->getPositionX()-70,hero->getPositionY()+100));
		//	armature->setScale(-2.0);
		
		}
		this->addChild(armature,25);
		if(Is_addblood)
		suck->PlaySuck(skpos,ccp(480,230));
		armature->getAnimation()->setMovementEventCallFunc(getParent(),movementEvent_selector(GameLayer::CCArmatureEndEventCall));
		++m_curhitcount;
		++m_combomnum;
		UpdateLevelData();//更新关卡数据
		if(m_curhitcount>=m_hitct&&isover==0)
		{
			isover=1;
			if(m_wsc)
				((m_pSelector->*m_wsc))();
		}
	}
}
void Scatter::touchhandle(CCPoint curpt)
{
	if(isover||ispause||status==1)
		return ;
	status=1;
	attackdelay=0.3;
	attackpoint=curpt;
	hero->AttackType();
	if(curpt.x<480)
	{
		hero->setFlipX(true);
	}
	else
		hero->setFlipX(false);
}
void Scatter::setOverListener(CCObject* pSelectorTarget,SEL_CallFunc fail)
{
	m_pSelector=pSelectorTarget;
	m_wsc=win;
	m_fsc=fail;
}
void Scatter::setoff(float x)
{
	xoff+=x;
}
void Scatter::update(float dt)
{
	struct timeval now;
	gettimeofday(&now,NULL);
	long curtime=now.tv_sec*1000000+now.tv_usec;
	if(isover==0&&curtime-pretime>700000*(1.0/m_level))
	{
		if(rand()%2)
		{
			if(rand()%50>25)
				addBullet(1);
		}
		else
		{
			if(rand()%50>25)
				addBullet(3);
		}
		pretime=curtime;
	}
	if(isover==0&&curtime-pretimef>500000*(1.0/m_levelf))
	{
		if(rand()%3==1)
		{
			addNewSpriteWithCoords(CCPoint(rand()%200-200,400));
		}
		else if(rand()%3==2)
		{
			addNewSpriteWithCoords(CCPoint(rand()%200+960,400));
		}
		pretimef=curtime;
	}
	
	m_world->Step(0.0166670084,8,1);//0.0166670084
	mindis=10000;
	if(attackdelay>0)
	{
		attackdelay-=dt;
		if(attackdelay<=0)
			status=0;
	}
	for (b2Body* b = m_world->GetBodyList(); b; b = b->GetNext())
	{
		if (b->GetUserData() != NULL) {
			//Synchronize the AtlasSprites position and rotation with the corresponding body
			CCSprite* myActor = (CCSprite*)b->GetUserData();
			if((int)myActor==1) continue;
			if(attackdelay>0.1)
			{
				attackhandle(b);
			}
			myActor->setPosition( CCPointMake( b->GetPosition().x * 32.0-xoff,b->GetPosition().y * 32.0) );
			if(b->GetLinearVelocity().x!=0)
			{
				float ang=-1 * CC_RADIANS_TO_DEGREES(b->GetAngle()) ;
				myActor->setRotation(ang);
			}
			int tag=myActor->getTag();
			float ax=myActor->getPositionX();
			if((tag>600))
			{
				float temp=abs(myActor->getPositionX()-480);
				if(temp<abs(mindis))
				{
					mindis=myActor->getPositionX()-480;
				}
				//float dis=ccpDistance(hero->getPosition(),myActor->getPosition());
				CCRect rc=hero->boundingBox();
				rc=CCRect(rc.origin.x+rc.size.width*2.0/5.0,rc.origin.y,rc.size.width*(1.0-4.0/5.0),rc.size.height);
				CCRect rc1=myActor->boundingBox();
				float gscale=b->GetGravityScale();
				if(gscale!=5&&rc.intersectsRect(rc1))
				{


					std::vector<b2Body*>::iterator iter=std::find(Scatter::gthis->m_bodies.begin(),b);
					if(iter==Scatter::gthis->m_bodies.end())
					{
						cocos2d::extension::CCArmature *armature = NULL;
						armature = cocos2d::extension::CCArmature::create("djgx");
						armature->getAnimation()->playByIndex(0);
						ccBlendFunc blend1;
						blend1.src = GL_ONE; //GL_ONE,GL_DST_ALPHA;GL_ONE_MINUS_DST_ALPHA
						blend1.dst = GL_ONE;//GL_ZERO;//GL_ONE_MINUS_SRC_ALPHA;
						armature->setBlendFunc(blend1);
						armature->setRotation(-80);
						armature->getAnimation()->setMovementEventCallFunc(this,movementEvent_selector(GameLayer::CCArmatureEndEventCall));
						this->addChild(armature);
						if(b->GetLinearVelocity().x>0)//左边
						{
						     hero->setFlipX(true);
							armature->setPosition(ccp(hero->getPositionX()+20,hero->getPositionY()+70));

					        m_herohurttimes++;//主角受伤次数



						}
						else if(b->GetLinearVelocity().x<0)//右边
						{
						hero->setFlipX(false);		 
						armature->setPosition(ccp(hero->getPositionX()+60,hero->getPositionY()+70));
						 
						   m_herohurttimes++;//主角受伤次数

					 
						 
						}
						//受击
                       
						myActor->setTag(0);
						m_bodies.push_back(b);
						if(isover==0)
						{
							if(m_combomnum>m_maxcombom)
							{
								m_maxcombom=m_combomnum;
							}
							m_combomnum=0;
							int tid=tag-600;
							hero->hurtWithDamage(hurts[tid-1],3);
							float sct=((float)hero->GetHeroHP())/((float)m_s->m_hero_HP);
							m_s->_gameLayer->m_st->m_rate=sct;
							if(hero->GetHeroHP()<=0)//失败
							{
								isover=1;
								if(m_fsc)
									((m_pSelector->*m_fsc))();

							}
						}
					}
				}
			}
			float acty=myActor->getPositionY();
			if(b->IsAwake()==false||acty<-100)
			{
				std::vector<b2Body*>::iterator iter=std::find(Scatter::gthis->m_bodies.begin(),b);
				if(iter==Scatter::gthis->m_bodies.end())
				  m_bodies.push_back(b);
			}
		}	
	}
	std::vector<b2Body*>::iterator iter=m_bodies.begin();
	for(;iter!=m_bodies.end();iter++)
	{
		CCSprite* myActor = (CCSprite*)(*iter)->GetUserData();
		
		std::map<CCSprite*,CCNode*>::iterator siter=m_tars.find(myActor);
		if(siter!=m_tars.end())
		{
           siter->second->removeFromParentAndCleanup(true);
		   m_tars.erase(siter);
		}
		int tag=myActor->getTag()-500;
		int tag1=myActor->getTag()-600;
		if(((tag>=2&&tag<=4)||(tag1>=1&&tag1<=3)))
		{
			if((*iter)->GetLinearVelocity().x!=0)
			{
				char name[32];
				if(myActor->getTag()>600)
				{
					sprintf(name,"tool%d_1.png",tag1);
				}
				else
					sprintf(name,"fruit%d_1.png",tag);
				(*iter)->SetGravityScale(0);
				(*iter)->SetLinearVelocity(b2Vec2(0,0));
				(*iter)->SetAngularVelocity(0);
				b2Fixture*  bf=(*iter)->GetFixtureList();
				while(bf)
				{
					bf->SetSensor(true);
					bf=bf->GetNext();
				}
				CCTexture2D *tex=CCTextureCache::sharedTextureCache()->textureForKey(name);
				CCSize sz=tex->getContentSize();
				myActor->setTexture(tex);
				myActor->setTextureRect(CCRect(0,sz.width,sz.height));
				myActor->setRotation(0);
				myActor->runAction(CCSequence::create(CCDelayTime::create(3.0),CCCallFuncND::create(this,callfuncND_selector(Scatter::delayremove),0),0));
			}
		}
		else
		{
			m_world->DestroyBody(*iter);
		    myActor->removeFromParentAndCleanup(true);
		}
	}
	m_bodies.clear();
}
void Scatter::delayremove(CCNode* node,void* param)
{
	node->setTag(0);
	//node->removeFromParentAndCleanup(true);
}
Scatter::~Scatter()
{
	delete m_world;
	delete contactListener;
}
void Scatter::reset()
{
	isover=0;
	hero->idle();
	Hero_Property hero_Property;
	long addblood=Game::GetInstance()->GetAddBloodNum();
    hero_Property.m_nhero_HP=EnterStageDataExchange::getInstance()->m_hp+addblood; //读取数值表血量

	//hero_Property.m_nhero_HP=10; //读取数值表血量
	hero->SetHerProperty(hero_Property);
}
bool Scatter::init()
{

	m_killemenynum=0;
	m_levelscore=0;
	m_herohurttimes=0;
	m_goldNum=0;
	m_maxcombom=m_combomnum=0;
	m_perfectnum=0;
	m_greatenum=0;
	for(int i=0;i<7;++i)
	{
		hurts[i]=1;
	}
	gthis=this;
	mindis=0;
	status=0;
	speed=0.5;
	m_wsc=0;
	attackdelay=0;
	m_fsc=0;
	m_levelf=m_level=1.0;
	m_curhitcount=0;
	m_hitct=10;
	xoff=0;
	isover=0;
	ispause=0;
	CCTextureCache::sharedTextureCache()->addImage("fruit2_1.png");
	CCTextureCache::sharedTextureCache()->addImage("fruit3_1.png");
	CCTextureCache::sharedTextureCache()->addImage("fruit4_1.png");
	CCTextureCache::sharedTextureCache()->addImage("tool1_1.png");
	CCTextureCache::sharedTextureCache()->addImage("tool2_1.png");
	CCTextureCache::sharedTextureCache()->addImage("tool3_1.png");
	char name[32];
	for(int i=0;i<7;++i)
	{
		sprintf(name,i+1);
		CCTextureCache::sharedTextureCache()->addImage(name);
	}
	long type=rand()%4;
	//角色创建选择
	switch(EnterStageDataExchange::getInstance()->m_chaID)
		//switch(3)
	{
	case  1:
		hero = Hero4::create();  //苏文
		break;

	case 2:
		hero = Hero3::create();  //卡卡西
		break;
	case  3:
		hero = Hero::create(); //女忍者
		break;
	case  4:
		hero = Hero2::create(); //李小龙
		break;
	default:
		hero = Hero::create();
		break;
	}
	hero->setPosition(CCPoint(480,170));
	hero->idle();

	long daojuItemNum[10]={0};
	for(int i=0;i<=4;i++)
	{
		daojuItemNum[i+1]=CArchive::GetInstance()->GetHeroNewV11PropertyInfo(i,1);
	}
	long skill_hp=0;
	if(daojuItemNum[2]>=1)//获得30点血量
	{
		skill_hp=30;
	}

 	Hero_Property hero_Property;
	long addblood=Game::GetInstance()->GetAddBloodNum();
 	hero_Property.m_nhero_HP=EnterStageDataExchange::getInstance()->m_hp+addblood+skill_hp; //读取数值表血量

//	hero_Property.m_nhero_HP=10; //读取数值表血量
	hero->SetHerProperty(hero_Property);
	addChild(hero,10);
	struct timeval now;
	gettimeofday(&now,NULL);
	pretimef=pretime=now.tv_sec*1000000+now.tv_usec;

	b2Vec2 gravity;
	gravity.Set(0.0f,-10.0f);
	m_world = new b2World(gravity);
	contactListener = new ContactListener;
	m_world->SetContactListener(contactListener);
	m_world->SetAllowSleeping(true);
	m_world->SetContinuousPhysics(true);
	{
		b2BodyDef bd;
		b2Body* m_ground = m_world->CreateBody(&bd); 
		m_ground->SetUserData((void*)1);
		b2EdgeShape shape;
		shape.Set(b2Vec2(-150000.0f/32.0,170.0/32.0),b2Vec2((960.0f+150000.0)/32.0,170.0/32.0));
		m_ground->CreateFixture(&shape,0.0f);
		shape.Set(b2Vec2(-150000.0f/32.0,900.0/32.0),900.0/32.0));
		m_ground->CreateFixture(&shape,0.0f);
/*
		shape.Set(b2Vec2(-15000.0/32.0,b2Vec2(-15000.0/32.0,900.0/32));
		m_ground->CreateFixture(&shape,0.0f);
		shape.Set(b2Vec2((960.0+15000.0)/32,b2Vec2((960.0+15000.0)/32,0.0f);*/
	}
	scheduleUpdate();
	GB2ShapeCache::sharedGB2ShapeCache()->addShapesWithFile("sdefs.plist");
	return true;
}
void Scatter::UpdateLevelData()//更新关卡分数和敌人数目
{
	m_killemenynum=m_curhitcount;
	m_levelscore+=1000;
	m_goldNum+=100;
	m_combomnum++;
  
 
	 

	PlayEffects();
}
void Scatter::PlayEffects()
{
	 
	CCArmatureDataManager::sharedArmatureDataManager()->addArmatureFileInfo("export/enemy_kill_anim/perfect0.png","export/enemy_kill_anim/perfect0.plist","export/enemy_kill_anim/perfect.ExportJson");
	CCSize winsize=CCDirector::sharedDirector()->getWinSize();

	if(hero->isFlipX()==false)
	{
		cocos2d::extension::CCArmature *armature = NULL;
		armature = cocos2d::extension::CCArmature::create("perfect");
		armature->getAnimation()->playByIndex(0);

		long rand1=random_range(1,2);
		if(rand1==1)
		{
			 m_perfectnum++;
			armature->getAnimation()->play("Animation1");
		}
		else
		{

			m_greatenum++;
			armature->getAnimation()->play("Animation2");

		}
		//	armature->getAnimation()->play("Animation1");

		long rand_posx=random_range(100,120);
		long rand_posy=random_range(65,100);
		armature->setPosition(ccp(winsize.width/2+rand_posx,winsize.height/2+rand_posy));
		addChild(armature,25);
		armature->getAnimation()->setMovementEventCallFunc(this,movementEvent_selector(GameLayer::CCArmatureEndEventCall));
	}
	else if(hero->isFlipX()==true)
	{
		cocos2d::extension::CCArmature *armature = NULL;
		armature = cocos2d::extension::CCArmature::create("perfect");
		armature->getAnimation()->playByIndex(0);
		long rand1=random_range(1,2);
		if(rand1==1)
		{
			 m_perfectnum++;
			armature->getAnimation()->play("Animation1");
		}
		else
		{
		
			m_greatenum++;
			armature->getAnimation()->play("Animation2");
		}
		long rand_posx=random_range(100,100);
		armature->setPosition(ccp(winsize.width/2-rand_posx,movementEvent_selector(GameLayer::CCArmatureEndEventCall));
	}
}
原文链接：https://www.f2er.com/cocos2dx/342710.html

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