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C++ PhysicsBody::setVelocity方法代码示例

本文整理汇总了C++中PhysicsBody::setVelocity方法的典型用法代码示例。如果您正苦于以下问题：C++ PhysicsBody::setVelocity方法的具体用法？C++ PhysicsBody::setVelocity怎么用？C++ PhysicsBody::setVelocity使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PhysicsBody的用法示例。


在下文中一共展示了PhysicsBody::setVelocity方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: hitMeFire

void HitMeScene::hitMeFire(Ref* sender)
{
    Point velocity_delta = Point(CCRANDOM_0_1(), CCRANDOM_0_1()) * 300;
    velocity_delta = (CCRANDOM_0_1() < 0.5f)? velocity_delta : -velocity_delta;
    PhysicsBody* body = _hitItem->getPhysicsBody();
    body->setVelocity(body->getVelocity() + velocity_delta);
    body->setAngularVelocity(body->getAngularVelocity() + 5.0f * CCRANDOM_0_1());
}
开发者ID:1007650105，项目名称:RockChipmunk2D，代码行数:8，代码来源:HitMeScene.cpp

示例2: initPhysics

void Ball::initPhysics(){
	PhysicsBody *spriteBody = PhysicsBody::createCircle(this->getSprite()->getBoundingBox().size.width , PHYSICSBODY_MATERIAL_DEFAULT);
	spriteBody->setDynamic(true);
	spriteBody->getShape(0)->setRestitution(1.0f);
	spriteBody->getShape(0)->setFriction(0.0f);
	spriteBody->getShape(0)->setDensity(1.0f);
	spriteBody->getShape(0)->setMass(100);
	spriteBody->setGravityEnable(false);
	spriteBody->setVelocity(this->velocity);
	this->getSprite()->setPhysicsBody(spriteBody);
}
开发者ID:TheWindShan，项目名称:cocos2dx-project，代码行数:11，代码来源:Ball.cpp

示例3: createKnife

Chopper* Chopper::createKnife(float v, float y)
{
    Chopper* knife = Chopper::create();
    knife->retain();
    knife->chopper = Sprite::createWithSpriteFrameName("knife4.png");
    knife->chopper->setScale(0.6);
    PhysicsBody *body = PhysicsBody::create();
    body->setGravityEnable(true);
    //body->setGravityEnable(false);
    body->setVelocity(Vec2(0, -v));
    knife->chopper->setPhysicsBody(body);
    knife->chopper->setPosition(Vec2(410, y));
    return knife;
}
开发者ID:DPC11，项目名称:Knifes-game，代码行数:14，代码来源:Chopper.cpp

示例4: clipPoly

void FruitCutNinjaScene::clipPoly(PhysicsShapePolygon* shape, Point normal, float distance)
{
    PhysicsBody* body = shape->getBody();
    int count = shape->getPointsCount();
    int pointsCount = 0;
    Point* points = new Point[count + 1];
    
    Vector2dVector vcPoints;
    vcPoints.clear();
    Vector2d v2Point(0, 0);
    
    for (int i=0, j=count-1; i<count; j=i, ++i)
    {
        Point a = body->local2World(shape->getPoint(j));
        float aDist = a.dot(normal) - distance;
        
        if (aDist < 0.0f)
        {
            points[pointsCount] = a;
            ++pointsCount;
        }
        
        Point b = body->local2World(shape->getPoint(i));
        float bDist = b.dot(normal) - distance;
        
        if (aDist*bDist < 0.0f)
        {
            float t = std::fabs(aDist)/(std::fabs(aDist) + std::fabs(bDist));
            Vec2 v2Tmp = a.lerp(b, t);
            points[pointsCount] = v2Tmp;
            ++pointsCount;
        }
    }
    
    Point center = PhysicsShape::getPolyonCenter(points, pointsCount);
    
    for (int i = 0; i < pointsCount; i++)
    {
        points[i] = body->world2Local(points[i]);
        vcPoints.push_back(Vector2d(points[i].x, points[i].y));
    }
    
    PhysicsBody* polyon = PhysicsBody::createPolygon(points, pointsCount);
    
    PRFilledPolygon* pNode = (PRFilledPolygon*)(body->getNode());
    std::string sName = pNode->getTextureName();
    //auto texture = Director::getInstance()->getTextureCache()->addImage("pineapple.png");
    PRFilledPolygon *filledPolygon = PRFilledPolygon::filledPolygonWithPointsAndTexture(vcPoints, sName.c_str());
    filledPolygon->setPhysicsBody(polyon);
    filledPolygon->setPosition(body->getPosition() + normal * -40);
    filledPolygon->getPhysicsBody()->setTag(_sliceTag);
    filledPolygon->getPhysicsBody()->setGravityEnable(false);
    
    polyon->setVelocity(body->getVelocityAtWorldPoint(center));
    polyon->setAngularVelocity(body->getAngularVelocity());
    polyon->setTag(_sliceTag);
    //polyon->applyImpulse(normal * -100);
    addChild(filledPolygon, 80);
    
    /*
    CPolygonSprite* pSprite = CPolygonSprite::create();
    pSprite->initWithFile("pineapple.png", polyon, false);
    pSprite->setPosition(body->getPosition());
    polyon->setTag(_sliceTag);
    addChild(pSprite);
    */
    
    /*
    Node* node = Node::create();
    PhysicsBody* polyon = PhysicsBody::createPolygon(points, pointsCount, PHYSICSBODY_MATERIAL_DEFAULT, -center);
    node->setPosition(center);
    node->setPhysicsBody(polyon);
    polyon->setVelocity(body->getVelocityAtWorldPoint(center));
    polyon->setAngularVelocity(body->getAngularVelocity());
    polyon->setTag(_sliceTag);
    addChild(node);
    */
    delete[] points;
}
开发者ID:GitofThunder，项目名称:gitskills，代码行数:79，代码来源:FruitCutNinjaScene.cpp

示例5: clipPoly

void CCutScene::clipPoly(PhysicsShapePolygon* shape, Point normal, float distance)
{
    PhysicsBody* body = shape->getBody();
    int count = shape->getPointsCount();
    int pointsCount = 0;
    Point* points = new Point[count + 1];
    
    Vector2dVector vcPoints;
    vcPoints.clear();
    Vector2d v2Point(0, 0);
    
    for (int i=0, j=count-1; i<count; j=i, ++i)
    {
        Point a = body->local2World(shape->getPoint(j));
        float aDist = a.dot(normal) - distance;
        
        if (aDist < 0.0f)
        {
            points[pointsCount] = a;
            ++pointsCount;
        }
        
        Point b = body->local2World(shape->getPoint(i));
        float bDist = b.dot(normal) - distance;
        
        if (aDist*bDist < 0.0f)
        {
            float t = std::fabs(aDist)/(std::fabs(aDist) + std::fabs(bDist));
            Vec2 v2Tmp = a.lerp(b, t);
            points[pointsCount] = v2Tmp;
            ++pointsCount;
        }
    }
    
    Point center = PhysicsShape::getPolyonCenter(points, pointsCount);
    
    for (int i = 0; i < pointsCount; i++)
    {
        points[i] = body->world2Local(points[i]);
        vcPoints.push_back(Vector2d(points[i].x, points[i].y));
    }
    
    PhysicsBody* polyon = PhysicsBody::createPolygon(points, pointsCount);
    
    CFoodCut* pNode = (CFoodCut*)(body->getNode());
    std::vector<int> vMaterials;
    vMaterials.clear();
    vMaterials = pNode->getMaterials();
    MATERIAL_ID eId = MI_MAX;
    if (vMaterials.size() != 0)
    {
        eId = (MATERIAL_ID)vMaterials[0];
    }
    
    CFoodCut *filledPolygon = CFoodCut::create(eId, vcPoints, pNode->getPanziIndex(), pNode->getTouchedIndex());
    filledPolygon->setPhysicsBody(polyon);
    int nTmp = rand() % 50 + 50;
    int nTmpRotate = rand() % 30 - 60;
    filledPolygon->setPosition(body->getPosition());
    //filledPolygon->setRotation(filledPolygon->getRotation() + nTmpRotate);
    filledPolygon->getPhysicsBody()->setTag(_sliceTag);
    filledPolygon->getPhysicsBody()->setGravityEnable(false);
    
    
    polyon->setVelocity(body->getVelocityAtWorldPoint(center));
    //polyon->setAngularVelocity(body->getAngularVelocity());
    polyon->setTag(_sliceTag);
    
    float fMass = polyon->getMass();
    float fV = 80;
    float fImpulse = fMass * fV;
    float fTmpX = (float)(Random() % 30) / 100.0f - 0.15f;
    float fTmpY = (float)(rand() % 30) / 100.0f - 0.15f;
    polyon->applyImpulse((normal + Vec2(fTmpX, fTmpY)) * -fImpulse);
    polyon->setLinearDamping(0.8f);
    addChild(filledPolygon, 80);
    filledPolygon->setBirthTime(getCurTime());
    m_vCutFoods.push_back(filledPolygon);
    m_nSliceCount ++;
    delete[] points;
}
开发者ID:GitofThunder，项目名称:gitskills，代码行数:81，代码来源:CutScene.cpp

示例6: onContactBegin

bool GameSceneQuattro::onContactBegin(cocos2d::PhysicsContact &contact)
{
	cocos2d::log("GameSceneQuattro::onContactBegin   ....... inizio   ");
    PhysicsBody *a = contact.getShapeA()->getBody();
    PhysicsBody *b = contact.getShapeB()->getBody();


    PhysicsBody *pallinaBody = nullptr ;
    if ( ! (3 == a->getCollisionBitmask() && 3 == b->getCollisionBitmask())){
			if (  3 == a->getCollisionBitmask() )
			   {
				  // CCLOG( "GameSceneQuattro::onContactBegin COLLISION HAS OCCURED" );
				   pallinaBody = contact.getShapeA()->getBody();
			   }

			if (   3 == b->getCollisionBitmask() )
			   {
					pallinaBody = contact.getShapeB()->getBody();
			   }

         if(pallinaBody){


        	 _emitter->setPosition(pallinaBody->getNode()->getPosition());
        	 _emitter->resetSystem();
        	 _emitter->setDuration(0.5);

			//prendo tag
			  if (12 == pallinaBody->getTag()){
			        	  cocos2d::log("GameSceneQuattro::onContactBegin   colpita pallina 2  ");
                    //deve variare la y
			        	 // pallinaBody->applyForce( Vect(-50, -220) );
                         pallinaBody->setVelocity(Vec2(randomValueTra(900,900),
                        		 randomValueTra(0,500)));
			    }
			  if (13 == pallinaBody->getTag()){
						        	  cocos2d::log("GameSceneQuattro::onContactBegin  colpita pallina 3   ");

                  pallinaBody->setVelocity(Vec2(randomValueTra(900,1900),
                		  randomValueTra(0,800)));
				}
			  if (14 == pallinaBody->getTag()){
			 						        	  cocos2d::log("GameSceneQuattro::onContactBegin  colpita pallina 4   ");

                  pallinaBody->setVelocity(Vec2(randomValueTra(900,1900),
                		  randomValueTra(0,800)));

			 				}
			  if (15 == pallinaBody->getTag()){
			 						        	  cocos2d::log("GameSceneQuattro::onContactBegin   colpita pallina 5  ");

                  pallinaBody->setVelocity(Vec2(randomValueTra(900,1900),
                		  randomValueTra(-400,800)));
			 				}
           }
        }


          if (PIETRA_TAG == a->getTag()){
        	//  cocos2d::log("GameSceneQuattro::onContactBegin   ....... 1  ");
              a-> getNode()->stopAllActions();
        	  a-> getNode()->setVisible(false);
              a->removeFromWorld();
              //a->setEnable(false);         	 // a->applyForce( Vect(100, 78) );
          }
          if (PIETRA_TAG == b->getTag()   ){
        	 // cocos2d::log("GameSceneQuattro::onContactBegin   ....... 2  ");
               b-> getNode()->stopAllActions();
        	  b-> getNode()->setVisible(false);
              b->removeFromWorld();

             // b->setEnable(false);
        	 // b->applyForce( Vect(100, 78) );
         }

               CCLOG("Forse megio cosi recupero i tag e poi faccio tutto" );
              auto sp = (Sprite*)contact.getShapeA()->getBody()->getNode();
              int tag = sp->getTag();
              CCLOG("onContactBegin tag di A : %d", tag);
              auto spb = (Sprite*)contact.getShapeA()->getBody()->getNode();
				int tagb = spb->getTag();
				CCLOG("onContactBegin tag di B : %d", tagb);


    return true;
}
开发者ID:silviomazzotta，项目名称:Pippo，代码行数:86，代码来源:GameSceneQuattro.cpp


注：本文中的PhysicsBody::setVelocity方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。