void Tutorial::Crash()// draws the animation for a crash and pasticles that fly out from there
{
//animation code
auto spritecache = SpriteFrameCache::getInstance();
spritecache->addSpriteFramesWithFile("GameScreen/explosion.plist");
cocos2d::SpriteFrame* spriteFrame = spritecache->getSpriteFrameByName("explosion0.png");
cocos2d::Vector<cocos2d::Sprite *> m_aiSprites;
cocos2d::Vector<cocos2d::SpriteFrame*> m_animFrames;
for (int i = 0; i < 23; i++)
{
// Get a SpriteFrame using a name from the spritesheet .plist file.
m_animFrames.pushBack(spritecache->getSpriteFrameByName("explosion" + std::to_string(i) + ".png"));
}
// Create the animation out of the frames.
Animation* animation = Animation::createWithSpriteFrames(m_animFrames, 0.065);
Animate* animate = Animate::create(animation);
// Create a sprite using any one of the SpriteFrames
// This is so we get a sprite of the correct dimensions.
auto sprite = Sprite::createWithSpriteFrame(m_animFrames.at(0));
// Run and repeat the animation.
sprite->setScale(3.0f);
sprite->runAction(RepeatForever::create(animate));
sprite->setPosition(Vec2(player->getPosition().x, player->getPosition().y - 5));
this->addChild(sprite, 10);
m_aiSprites.pushBack(sprite);
//code for the particles that will be coloured orange
auto size = Director::getInstance()->getWinSize();
auto m_emitter = ParticleExplosion::createWithTotalParticles(900);
m_emitter->setDuration(-1);
m_emitter->setGravity(Point(0, -240));
m_emitter->setAngle(0);
m_emitter->setAngleVar(180);
m_emitter->setRadialAccel(25);
m_emitter->setRadialAccelVar(0);
m_emitter->setTangentialAccel(10);
m_emitter->setTangentialAccelVar(0);
m_emitter->setPosVar(Point(1, 0));
m_emitter->setLife(0.25);
m_emitter->setLifeVar(0.50);
m_emitter->setStartSpin(0);
m_emitter->setStartSpinVar(0);
m_emitter->setEndSpin(0);
m_emitter->setEndSpinVar(0);
m_emitter->setStartColor(Color4F(212, 73, 0, 1));
m_emitter->setStartColorVar(Color4F(0, 0, 0, 0));
m_emitter->setEndColor(Color4F(212, 73, 0, 1));
m_emitter->setEndColorVar(Color4F(0, 0, 0, 0));
m_emitter->setStartSize(20.0f);
m_emitter->setStartSizeVar(0);
m_emitter->setEndSize(15.0f);
m_emitter->setEndSizeVar(0);
m_emitter->setEmissionRate(275);
m_emitter->setPosition(Vec2(player->getPosition().x, player->getPosition().y - 15));
addChild(m_emitter, 10);
}
void ParticlePerformTest4::doTest()
{
auto s = Director::getInstance()->getWinSize();
auto particleSystem = (ParticleSystem*) getChildByTag(kTagParticleSystem);
// duration
particleSystem->setDuration(-1);
// gravity
particleSystem->setGravity(Vec2(0,-90));
// angle
particleSystem->setAngle(90);
particleSystem->setAngleVar(0);
// radial
particleSystem->setRadialAccel(0);
particleSystem->setRadialAccelVar(0);
// speed of particles
particleSystem->setSpeed(180);
particleSystem->setSpeedVar(50);
// emitter position
particleSystem->setPosition(Vec2(s.width/2, 100));
particleSystem->setPosVar(Vec2(s.width/2,0));
// life of particles
particleSystem->setLife(2.0f);
particleSystem->setLifeVar(1);
// emits per frame
particleSystem->setEmissionRate(particleSystem->getTotalParticles() / particleSystem->getLife());
// color of particles
Color4F startColor(0.5f, 0.5f, 0.5f, 1.0f);
particleSystem->setStartColor(startColor);
Color4F startColorVar(0.5f, 0.5f, 0.5f, 1.0f);
particleSystem->setStartColorVar(startColorVar);
Color4F endColor(0.1f, 0.1f, 0.1f, 0.2f);
particleSystem->setEndColor(endColor);
Color4F endColorVar(0.1f, 0.1f, 0.1f, 0.2f);
particleSystem->setEndColorVar(endColorVar);
// size, in pixels
particleSystem->setEndSize(64.0f);
particleSystem->setStartSize(64.0f);
particleSystem->setEndSizeVar(0);
particleSystem->setStartSizeVar(0);
// additive
particleSystem->setBlendAdditive(false);
}
Head_ParticalEffect
void addParticalToHead(Node* node)
{
Vec2 pos[4];
pos[0] = Vec2(5, 75);
pos[1] = Vec2(75, 75);
pos[2] = Vec2(75, 5);
pos[3] = Vec2(5, 5);
for (int i = 0; i < 2; i++)
{
auto partNode = ParticleSystemQuad::createWithTotalParticles(60);
partNode->setTexture(TextureCache::getInstance()->addImage("GameUI/CommonUI/fire.png"));//设置粒子图
partNode->setDuration(-1);//发射时长
// life of particles
partNode->setLife(0.5f);//粒子生命
partNode->setLifeVar(0.1f);
partNode->setEmissionRate(partNode->getTotalParticles() / partNode->getLife());//发射器发射频率
partNode->setPositionType(ParticleSystem::PositionType::FREE);//设置发射器的跟随模式
// color of particles
partNode->setStartColor(ccc4f(0.76f, 0.25f, 0.12f, 1.0f));//起始颜色
partNode->setStartColorVar(ccc4f(0.1f, 0.1f, 0.1f, 0.0f));
partNode->setEndColor(ccc4f(1.0f, 1.0f, 1.0f, 1.0f));//结束颜色
partNode->setEndColorVar(ccc4f(0.1f, 0.1f, 0.1f, 0.1f));
// size, in pixels
partNode->setStartSize(15);//粒子大小
partNode->setStartSizeVar(3);
partNode->setEndSize(0);
partNode->setEndSizeVar(3);
// angle
partNode->setAngle(0);//发射器角度
partNode->setAngleVar(0);
// speed of particles
partNode->setSpeed(0);//粒子速度
partNode->setSpeedVar(0);
// emitter position
partNode->setPosVar(ccp(0, 0));//发射器位置变化
partNode->setBlendAdditive(true);
node->addChild(partNode);
partNode->setTag(PARTICALTAG);
auto move0 = MoveTo::create(1.f, pos[0]);
auto move1 = MoveTo::create(1.f, pos[1]);
auto move2 = MoveTo::create(1.f, pos[2]);
auto move3 = MoveTo::create(1.f, pos[3]);
if (i == 0)
{
partNode->setPosition(pos[0]);
partNode->runAction(RepeatForever::create(Sequence::create(move1, move2, move3, move0, nullptr)));
}
else
{
partNode->setPosition(pos[2]);
partNode->runAction(RepeatForever::create(Sequence::create(move3, move0, move1, move2, nullptr)));
}
}
}