void ParticleSystem::_update(Real timeElapsed)
{
Real nonvisibleTimeout = mNonvisibleTimeoutSet ? mNonvisibleTimeout : msDefaultNonvisibleTimeout;
// Scale incoming speed for the rest of the calculation
timeElapsed *= mSpeedFactor;
// Init renderer if not done already
configureRenderer();
// Initialise emitted emitters list if not done already
initialiseEmittedEmitters();
Real iterationInterval = mIterationIntervalSet ? mIterationInterval : msDefaultIterationInterval;
if (iterationInterval > 0)
{
mUpdateRemainTime += timeElapsed;
while (mUpdateRemainTime >= iterationInterval)
{
// Update existing particles
_expire(iterationInterval);
_triggerAffectors(iterationInterval);
_applyMotion(iterationInterval);
if (mIsEmitting)
{
// Emit new particles
_triggerEmitters(iterationInterval);
}
mUpdateRemainTime -= iterationInterval;
}
}
else
{
// Update existing particles
_expire(timeElapsed);
_triggerAffectors(timeElapsed);
_applyMotion(timeElapsed);
if (mIsEmitting)
{
// Emit new particles
_triggerEmitters(timeElapsed);
}
}
if (!mBoundsAutoUpdate && mBoundsUpdateTime > 0.0f)
{
mBoundsUpdateTime -= timeElapsed; // count down
}
// _updateBounds();
}
bool AsyncTimerMockImpl::fastForward(Milliseconds time) {
if (time >= _timeLeft) {
_timeLeft = kZeroMilliseconds;
_expire();
} else {
_timeLeft -= time;
}
return _timeLeft > kZeroMilliseconds;
}
