Method initWithTotalParticles

core/2d/ParticleExamples.cpp:90–161

}

bool ParticleFire::initWithTotalParticles(int numberOfParticles)
{
    if (ParticleSystemQuad::initWithTotalParticles(numberOfParticles))
    {
        // duration
        _duration = DURATION_INFINITY;

        // Gravity Mode
        this->_emitterMode = Mode::GRAVITY;

        // Gravity Mode: gravity
        this->modeA.gravity.setZero();

        // Gravity Mode: radial acceleration
        this->modeA.radialAccel    = 0;
        this->modeA.radialAccelVar = 0;

        // Gravity Mode: speed of particles
        this->modeA.speed    = 60;
        this->modeA.speedVar = 20;

        // starting angle
        _angle    = 90;
        _angleVar = 10;

        // emitter position
        Vec2 winSize = _director->getWinSize();
        this->setPosition(winSize.width / 2.0f, 60.0f);
        this->_posVar.set(40.0f, 20.0f);

        // life of particles
        _life    = 3;
        _lifeVar = 0.25f;

        // size, in pixels
        _startSize    = 54.0f;
        _startSizeVar = 10.0f;
        _endSize      = START_SIZE_EQUAL_TO_END_SIZE;

        // emits per frame
        _emissionRate = _totalParticles / _life;

        // color of particles
        _startColor.r    = 0.76f;
        _startColor.g    = 0.25f;
        _startColor.b    = 0.12f;
        _startColor.a    = 1.0f;
        _startColorVar.r = 0.0f;
        _startColorVar.g = 0.0f;
        _startColorVar.b = 0.0f;
        _startColorVar.a = 0.0f;
        _endColor.r      = 0.0f;
        _endColor.g      = 0.0f;
        _endColor.b      = 0.0f;
        _endColor.a      = 1.0f;
        _endColorVar.r   = 0.0f;
        _endColorVar.g   = 0.0f;
        _endColorVar.b   = 0.0f;