cocos2d-x卡通机器人

#include "HelloWorldScene.h" #include "SimpleAudioEngine.h" #include "cocos2d.h" using namespace cocos2d; using namespace CocosDenshion; #define PTM_RATIO 32 enum { kTagParentNode = 1, }; PhysicsSprite::PhysicsSprite() : m_pBody(NULL) {} void PhysicsSprite::setPhysicsBody(b2Body * body) { m_pBody = body; } bool PhysicsSprite::isDirty(void) { return true; } HelloWorld::HelloWorld() { setTouchEnabled( true ); setAccelerometerEnabled( true ); CCSize s = CCDirector::sharedDirector()->getWinSize(); // init physics this->initPhysics(); CCSpriteBatchNode *parent = CCSpriteBatchNode::create("blocks.png", 100); m_pSpriteTexture = parent->getTexture(); addChild(parent, 0, kTagParentNode); this->addcartoonbody(); bodybelow=this->SetBodyToSprite(ccp(150,58), 0); bodyarm=this->SetBodyToSprite(ccpAdd(ccp(185,58),ccp(PTM_RATIO,PTM_RATIO)),2); this->addPrismaticJoint(); this->addRevoluteJoint(); this->addObstacles(); scheduleUpdate(); } HelloWorld::~HelloWorld() { delete world; world = NULL; } void HelloWorld::initPhysics() { CCSize s = CCDirector::sharedDirector()->getWinSize(); b2Vec2 gravity; gravity.Set(0.0f, -10.0f); world = new b2World(gravity); // Do we want to let bodies sleep? world->SetAllowSleeping(true); world->SetContinuousPhysics(true); _contactListener= new MyContactListener(); world->SetContactListener(_contactListener); //GLESDebugDraw* m_debugDraw = new GLESDebugDraw( PTM_RATIO ); //world->SetDebugDraw(m_debugDraw); uint32 flags = 0; flags += b2Draw::e_shapeBit; //flags += b2Draw::e_jointBit; //flags += b2Draw::e_aabbBit; //flags += b2Draw::e_pairBit; //flags += b2Draw::e_centerOfMassBit;*/ //m_debugDraw->SetFlags(flags); // Define the ground body. b2BodyDef groundBodyDef; groundBodyDef.position.Set(0, 0); // bottom-left corner groundBody = world->CreateBody(&groundBodyDef);//不能定义成b2body* groundBody,类的私有成员里已定义了b2body* groundbody // Define the ground box shape. b2EdgeShape groundBox; // bottom groundBox.Set(b2Vec2(0,0), b2Vec2(s.width/PTM_RATIO,0)); groundBody->CreateFixture(&groundBox,0); // top groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO)); groundBody->CreateFixture(&groundBox,0); // left groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(0,0)); groundBody->CreateFixture(&groundBox,0); // right groundBox.Set(b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,0)); groundBody->CreateFixture(&groundBox,0); } b2Body* HelloWorld::addNewSpriteAtPosition(CCPoint p) { CCNode* parent = getChildByTag(kTagParentNode); int idx = (CCRANDOM_0_1() > .5 ? 0:1); int idy = (CCRANDOM_0_1() > .5 ? 0:1); PhysicsSprite* sprite= new PhysicsSprite(); sprite->initWithTexture(m_pSpriteTexture, CCRectMake(PTM_RATIO * idx,PTM_RATIO * idy,PTM_RATIO,PTM_RATIO)); sprite->autorelease(); parent->addChild(sprite); sprite->setPosition( CCPointMake( p.x, p.y) ); b2BodyDef bodyDef; bodyDef.type = b2_dynamicBody; bodyDef.userData = sprite;//这句话很重要，为这个刚体分配精灵，没有这句话，小方块不会往下落 bodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO); b2Body *body = world->CreateBody(&bodyDef); // Define another box shape for our dynamic body. b2PolygonShape dynamicBox; dynamicBox.SetAsBox(0.5f, 0.5f); // Define the dynamic body fixture. b2FixtureDef fixtureDef; fixtureDef.shape = &dynamicBox; fixtureDef.density = 1.0f; fixtureDef.friction = 0.3f; body->CreateFixture(&fixtureDef); sprite->setPhysicsBody(body); return body; } void HelloWorld::addcartoonbody()//添加机器人 { CCSprite *sprite = CCSprite::create("green.png"); sprite->setPosition(ccp(150,58)); this->addChild(sprite,0,0); CCSprite *child = CCSprite::create("head.png"); child->setPosition(ccp(52,164)); sprite->addChild(child); CCRotateBy *rotateBy1 = CCRotateBy::create(3, 360); CCRepeatForever *repeat1 = CCRepeatForever::create(rotateBy1); CCSprite *childOfChild1= CCSprite::create("Icon-Small.png"); childOfChild1->setScale(.5f); childOfChild1->setPosition(ccp(25, 70)); child->addChild(childOfChild1); childOfChild1->runAction(repeat1); CCRotateBy *rotateBy2 = CCRotateBy::create(3, 360); CCRepeatForever *repeat2 = CCRepeatForever::create(rotateBy2); CCSprite *childOfChild2= CCSprite::create("Icon-Small.png"); childOfChild2->setScale(0.5f); childOfChild2->setPosition(ccp(55, 70)); child->addChild(childOfChild2); childOfChild2->runAction(repeat2); CCSprite* arm=CCSprite::create("arm.png"); arm->setPosition(ccp(240, 60)); this->addChild(arm,0,2); } b2Body* HelloWorld::SetBodyToSprite(CCPoint p,int tag) { CCSprite* sprite=(CCSprite*)this->getChildByTag(tag); b2BodyDef BodyDef; BodyDef.type=b2_dynamicBody; BodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO); BodyDef.userData = sprite; b2Body* body=world->CreateBody(&BodyDef); b2PolygonShape dynamicBox; if (tag==0) { dynamicBox.SetAsBox(104.0f/2/32, 116.0f/2/32);//必须是浮点数 } else if(tag==2) { dynamicBox.SetAsBox(48.0f/32/2, 56.0f/32/2); } b2FixtureDef fixtureDef; fixtureDef.shape = &dynamicBox; fixtureDef.density = 110.0f; fixtureDef.friction = 0.9f; body->CreateFixture(&fixtureDef); return body; } void HelloWorld::addPrismaticJoint() { b2PrismaticJointDef jointDef; b2Vec2 worldAxis(1,0); jointDef.Initialize(bodybelow, groundBody, bodybelow->GetWorldCenter(), worldAxis); jointDef.lowerTranslation=-2.9f; jointDef.upperTranslation=3.2f; jointDef.enableLimit=true; jointDef.motorSpeed=0.0f; jointDef.enableMotor=true; world->CreateJoint(&jointDef); } void HelloWorld::addRevoluteJoint() { b2RevoluteJointDef jointDef; jointDef.Initialize(bodybelow, bodyarm,bodyarm->GetWorldCenter()); jointDef.lowerAngle=-0.10f * b2_pi; jointDef.upperAngle=0.35f * b2_pi; jointDef.enableLimit=true; jointDef.maxMotorTorque=10.0f; jointDef.motorSpeed=1.0f; jointDef.enableMotor=true; world->CreateJoint(&jointDef); } void HelloWorld::draw() { CCLayer::draw(); ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position ); kmGLPushMatrix(); world->DrawDebugData(); kmGLPopMatrix(); } void HelloWorld::BeginContact(b2Contact* contact) { CCSprite * sp1 = (CCSprite *)contact->GetFixtureA()->GetBody()->GetUserData(); CCSprite * sp2 = (CCSprite *)contact->GetFixtureB()->GetBody()->GetUserData(); if (sp1 != NULL && sp2 != NULL) { sp1->setColor(ccRED); sp2->setColor(ccRED); } } void HelloWorld::EndContact(b2Contact* contact) { b2Body* bodyA=contact->GetFixtureA()->GetBody(); b2Body* bodyB=contact->GetFixtureA()->GetBody(); CCSprite* spriteA=(CCSprite*)bodyA->GetUserData(); CCSprite* spriteB=(CCSprite*)bodyB->GetUserData(); if (spriteA!=NULL && spriteB!=NULL) { spriteA->setColor(ccWHITE); spriteB->setColor(ccWHITE); } } void HelloWorld::update(float dt) { //It is recommended that a fixed time step is used with Box2D for stability //of the simulation, however, we are using a variable time step here. //You need to make an informed choice, the following URL is useful int velocityIterations = 8; int positionIterations = 1; // Instruct the world to perform a single step of simulation. It is // generally best to keep the time step and iterations fixed. world->Step(dt, velocityIterations, positionIterations); //Iterate over the bodies in the physics world for (b2Body* b = 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(); myActor->setPosition( CCPointMake( b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO) ); myActor->setRot