void FirstLevel::update(float dt) {
/*parallax */
CCPoint backgroundScrollVert = ccp(-1000,0) ;
_background->setPosition(ccpAdd(_background->getPosition(),ccpMult(backgroundScrollVert,dt)));
CCArray *spaceDusts = CCArray::createWithCapacity(2);
spaceDusts->addObject(_spacedust1) ;
spaceDusts->addObject(_spacedust2) ;
for (int i = 0; i < spaceDusts->count(); i++ ) {
CCSprite * spaceDust = (CCSprite *)(spaceDusts->objectAtIndex(i)) ;
float xPosition = _background->convertToWorldSpace(spaceDust->getPosition()).x;
float size = spaceDust->getContentSize().width ;
if (xPosition < -size)
_background->incrementOffset(ccp(spaceDust->getContentSize().width*2,0),spaceDust);
}
/*end parallax */
/*accelerometer*/
float maxY = winSize.height - _ship->getContentSize().height/2;
float minY = _ship->getContentSize().height/2;
float diff = _shipPositionY * dt;
float newY = _ship->getPosition().y + diff;
newY = MIN(MAX(newY, minY), maxY);
_ship->setPosition(ccp(_ship->getPosition().x, newY));
/*end accelerometer*/
/*first we move sprites and then bodies*/
/*sprites animation*/
float curTime = getTimeTick();
if (curTime > _nextAsteroidSpawn){ // if time to show new asteroid?
float randY = randomBetween(0, winSize.height); // new asteroid position
float randms = randomBetween(0.2, 1.0)*1000; // how often show new asteroid
_nextAsteroidSpawn = randms + curTime; // when show next asteroid
float duration = randomBetween(1.0, 7.0); // android's "speed"
Asteroid* asteroid = _asteroids->at(_nextAsteroid++);
if(_nextAsteroid >= _asteroids->size())
_nextAsteroid = 0;
/*take asteroid from cage and set next params;
*when asteroid end moving - hide */
asteroid->stopAllActions();
asteroid->setPosition(ccp(winSize.width + asteroid->getContentSize().width/2, randY));
asteroid->setLives(3);
asteroid->setVisible(true);
asteroid->runAction(CCSequence::create(CCMoveBy::create(duration,ccp( -winSize.width - asteroid->getContentSize().width, 0)),
CCCallFuncN::create(this, callfuncN_selector(FirstLevel::setInvisible)),NULL));
}
/*end sprites animation*/
/*bodies animation*/
_world->Step(dt, 10, 10);
for(b2Body *b = _world->GetBodyList(); b; b = b->GetNext()){
if (b->GetUserData() != NULL){
CCSprite* sprite = (CCSprite*) b->GetUserData();
if (sprite->isVisible()) {
b2Vec2 position = b2Vec2(sprite->getPosition().x/PTM_RATIO,
sprite->getPosition().y/PTM_RATIO);
float angle = -1 * CC_DEGREES_TO_RADIANS(sprite->getRotation());
b->SetTransform(position, angle);
}
}
}
/*end bodies animation*/
/*body's collisions*/
std::deque<CurrentContact>::iterator i;
for(i = _collisionListener->contacts.begin(); i != _collisionListener->contacts.end(); ++i){
CurrentContact contact = *i;
b2Body *a = contact.a->GetBody();
b2Body *b = contact.b->GetBody();
if (a->GetUserData() != NULL && b->GetUserData() != NULL){
CCSprite *sA = (CCSprite*)a->GetUserData();
CCSprite *sB = (CCSprite*)b->GetUserData();
Asteroid *ast;
CCSprite *bullet;
if (sA->isVisible() && sB->isVisible()) {
/*asteroid and bullet (laser)*/
//if (sA->getTag() != 0 || sB->getTag() != 0)
if ((sA->getTag() == 1 && sB->getTag() == 2) ||
(sA->getTag() == 2 && sB->getTag() == 1)) {
b2Body *temp; // bullet body
if (sA->getTag() == 1) {
ast = (Asteroid*) a->GetUserData();
bullet = (CCSprite*) b->GetUserData();
temp = b;
} else {
ast = (Asteroid*) b->GetUserData();
bullet = (CCSprite*) a->GetUserData();
temp = a;
}
if (ast->getLives() > 1){ // hide only bullet
ast->subLife();
temp->SetTransform(b2Vec2(-100.0, -100.0), 0.0f); // bullet body
} else { // hide asteroid and bullet
a->SetTransform(b2Vec2(-100.0, -100.0), 0.0f);
b->SetTransform(b2Vec2(-100.0, -100.0), 0.0f);
ast->stopAllActions();
ast->setVisible(false);
_ship->addScore(score);
updateScore(_ship);
}
bullet->stopAllActions();
bullet->setVisible(false);
continue;
}
/*asteroid and ship*/
if ((sA->getTag() == 0 && sB->getTag() == 1) ||
(sA->getTag() == 1 && sB->getTag() == 0)) {
if (_ship->getLives() > 0){
_ship->subLife();
updateLives(_ship);
_ship->runAction(CCBlink::create(1.0, 3));
if (sA->getTag() == 1){
sA->setVisible(false);
sA->stopAllActions();
a->SetTransform(b2Vec2(-100.0, -100.0), 0.0f);
} else {
sB->setVisible(false);
sB->stopAllActions();
b->SetTransform(b2Vec2(-100.0, -100.0), 0.0f);
}
} else {
CCLog("GAME OVER");
// TODO: show dialog
}
continue;
}
}
}
}
/*end body's collisions*/
}
bool FirstLevel::init() {
if (!CCLayer::init())
return false;
_nextAsteroid = 0;
_nextAsteroidSpawn = 0;
_shipPositionY = 0;
score = 10;
_asteroids = new std::vector<Asteroid*>();
_b2Asteroids = new std::vector<b2Body*>();
_b2Bullets = new std::vector<b2Body*>();
winSize = CCDirector::sharedDirector()->getWinSize();
/*close button*/
CCMenuItemImage *closeItem = CCMenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
this,
menu_selector(FirstLevel::menuCloseCallback) );
closeItem->setPosition(ccp(winSize.width - 20, 20));
CCMenu* menu = CCMenu::create(closeItem, NULL);
menu->setPosition(CCPointZero);
this->addChild(menu, 5);
_batchNode = CCSpriteBatchNode::create("Sprites.pvr.ccz");
this->addChild(_batchNode);
CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("Sprites.plist");
/*ship*/
_ship = Ship::create("SpaceFlier_sm_1.png", 0.05, "laserbeam_blue.png", _batchNode);
_ship->setPosition(ccp(winSize.width *0.1, winSize.height * 0.5));
_ship->setTag(0);
_batchNode->addChild(_ship, 2);
/*parallax*/
_background = ParallaxLayer::node();
this->addChild(_background, -1);
_spacedust1 = CCSprite::create("bg_front_spacedust.png");
_spacedust2 = CCSprite::create("bg_front_spacedust.png");
CCPoint dustSpeed = ccp(0.1, 0.1);
_background->addChild(_spacedust1, 0, dustSpeed, ccp(0, winSize.height/2));
_background->addChild(_spacedust2, 0, dustSpeed, ccp(_spacedust1->getContentSize().width, winSize.height/2));
this->addChild(CCParticleSystemQuad::create("Stars1.plist"), 3);
this->addChild(CCParticleSystemQuad::create("Stars3.plist"), 3);
this->addChild(CCParticleSystemQuad::create("Stars2.plist"), 3);
/*world*/
b2Vec2 gravity = b2Vec2(0.0f, 0.0f);
_world = new b2World(gravity);
_collisionListener = new CollisionsListener();
_world->SetContactListener(_collisionListener);
b2BodyDef ground;
ground.position.Set(0, 0);
b2Body *groundBody = _world->CreateBody(&ground);
b2EdgeShape groundEdge;
b2FixtureDef boxShapeDef;
boxShapeDef.shape = &groundEdge;
groundEdge.Set(b2Vec2(0, 0), b2Vec2(winSize.width/PTM_RATIO, 0));
groundBody->CreateFixture(&boxShapeDef);
_shipBody = createBody(_ship,
1.0f,
0.0f,
0.0f,
_ship->getPosition().x,
_ship->getPosition().y,
79.0f,
42.0f);
/*asteroids*/
for(int i = 0; i < 15; ++i) {
Asteroid* asteroid = Asteroid::create("asteroid.png", 3);
float randScale = randomBetween(0.3, 1.0);
asteroid->setScale (randScale);
asteroid->setVisible(false);
asteroid->setTag(1);
_batchNode->addChild (asteroid);
_asteroids->push_back(asteroid);
b2Body *ast = createBody(asteroid,
0.0f,
0.0f,
0.0f,
winSize.width + asteroid->getContentSize().width,
0.0f,
(55.0*randScale));
_b2Asteroids->push_back(ast);
}
/*bullets (lasers)
* bullets sprites create in Ship class
* they stores in ship.bullets*/
for(int i = 0; i < _ship->bullets->size(); ++i){
b2Body *bullet = createBody(_ship->bullets->at(i),
1.0f,
0.0f,
0.0f,
_ship->bullets->at(i)->getPosition().x,
_ship->bullets->at(i)->getPosition().y,
20.0f,
3.0f);
_b2Bullets->push_back(bullet);
}
/*debug GL*/
if (DEBUG) {
_debugDraw = new GLESDebugDraw(PTM_RATIO);
_world->SetDebugDraw(_debugDraw);
uint32 flags = 0;
flags += b2Draw::e_shapeBit;
_debugDraw->SetFlags(flags);
}
this->showLives(_ship);
this->showScore(_ship);
this->setTouchEnabled(true);
this->scheduleUpdate();
this->setAccelerometerEnabled(true);
return true;
}