Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-20 12:04:18 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #4961 from hyperlogic/ajt/particle-net-anim-fix

Browse source 
Particle entities should avoid resetting simulation when setMaxParticles is called
This commit is contained in:
Brad Hefta-Gaub 2015-05-27 17:44:44 -07:00
commit 0553f7ca4c
1 changed files with 12 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
libraries/entities/src/ParticleEffectEntityItem.cpp
View file

@ -490,19 +490,21 @@ void ParticleEffectEntityItem::stepSimulation(float deltaTime) {
}
void ParticleEffectEntityItem::setMaxParticles(quint32 maxParticles) {
_maxParticles = maxParticles;
if (_maxParticles != maxParticles) {
_maxParticles = maxParticles;
// TODO: try to do something smart here and preserve the state of existing particles.
// TODO: try to do something smart here and preserve the state of existing particles.
// resize vectors
_particleLifetimes.resize(_maxParticles);
_particlePositions.resize(_maxParticles);
_particleVelocities.resize(_maxParticles);
// resize vectors
_particleLifetimes.resize(_maxParticles);
_particlePositions.resize(_maxParticles);
_particleVelocities.resize(_maxParticles);
// effectivly clear all particles and start emitting new ones from scratch.
_particleHeadIndex = 0;
_particleTailIndex = 0;
_timeUntilNextEmit = 0.0f;
// effectivly clear all particles and start emitting new ones from scratch.
_particleHeadIndex = 0;
_particleTailIndex = 0;
_timeUntilNextEmit = 0.0f;
}
}
// because particles are in a ring buffer, this isn't trivial