void updateParticle(ParticleManager& sourceManager, int sourceId, ParticleManager& destinationManager, int destinationId) {
destinationManager.getParticleMass(destinationId) = sourceManager.getParticleMass(sourceId);
destinationManager.getParticlePosition(destinationId) = sourceManager.getParticlePosition(sourceId);
destinationManager.getParticleVelocity(destinationId) = sourceManager.getParticleVelocity(sourceId);
destinationManager.getParticleForce(destinationId) = sourceManager.getParticleForce(sourceId);
destinationManager.getParticleColor(destinationId) = sourceManager.getParticleColor(sourceId);
}
// Copy a particle
int copyParticle(ParticleManager& sourceManager, ParticleManager& destinationManager, int id) {
int newId = destinationManager.addParticle(sourceManager.getParticleMass(id),
sourceManager.getParticlePosition(id),
sourceManager.getParticleVelocity(id),
sourceManager.getParticleForce(id),
sourceManager.getParticleColor(id));
return newId;
}
// Add a particle to the Snake
void addParticletoSnake(ParticleGraph& graph, int id, ParticleManager& foodManager, ParticleManager& snakeManager) {
id = snakeManager.addParticleToHead(foodManager.getParticleMass(id),
foodManager.getParticlePosition(id),
foodManager.getParticleVelocity(id),
foodManager.getParticleForce(id),
snakeManager.getHeadColor());
foodManager.clear();
std::pair<unsigned int, unsigned int> pair (id, snakeManager.getCount() - 2);
graph.push_back(pair);
snakeManager.getParticleColor(1) = snakeManager.getParticleColor(2);
}