VehicleDust.c

См. документацию.

class EffVehicleDust : EffectParticle
{
    const float WHEEL_DUST_THRESHOLD = 3.0;
    
    override void ParticleParamsOverride(notnull ParticleParamsOverrideData data)
    {
        if (data.m_FloatModifiers.Count() < 2)
            return;
 
        Particle particle = Particle.Cast(GetParticle());
        if (!particle)
            return;
        
        float speed = data.m_FloatModifiers[0];
        float weight = data.m_FloatModifiers[1];
 
        particle.SetParticleParam(EmitorParam.LIFETIME, 2.5 * weight);
        particle.SetParticleParam(EmitorParam.REPEAT, true);
        particle.SetParticleParam(EmitorParam.WIND, true);
        particle.SetParticleParam(EmitorParam.VELOCITY, speed * weight);
        particle.SetParticleParam(EmitorParam.SIZE, speed * weight);
        particle.SetParticleParam(EmitorParam.AIR_RESISTANCE, 1.0 * weight);
    }
    
    override void SelectFromSurface(SurfaceInfo surfaceInfo)
    {
        int particleID = surfaceInfo.GetVehicleDustParticleId();
        
        if (m_ParticleID != particleID)
        {
            if (particleID != 0)
                SetParticleState(particleID);
            else
                Stop();
        }
    }
    
    override void SetParticleState(int state)
    {
        bool wasPlaying = IsPlaying();
 
        Stop();
        SetParticleID(state);
        
        if (wasPlaying)
            Start(); // resume effect
    }
}