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particle affectors

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This commit is contained in:
Henrique Santiago
2011-12-15 23:59:29 -02:00
parent 435161df62
commit ad38dad227
11 changed files with 176 additions and 100 deletions
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25
src/framework/graphics/particlesystem.cpp
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@@ -22,10 +22,12 @@
#include "particle.h"
#include "particlesystem.h"
#include <framework/core/clock.h>
ParticleSystem::ParticleSystem()
{
m_finished = false;
m_lastUpdateTime = g_clock.time();
}
bool ParticleSystem::load(const OTMLNodePtr& node)
@@ -36,6 +38,21 @@ bool ParticleSystem::load(const OTMLNodePtr& node)
emitter->load(childNode);
m_emitters.push_back(emitter);
}
else if(childNode->tag().find("Affector") != std::string::npos) {
ParticleAffectorPtr affector;
if(childNode->tag() == "Gravity270Affector")
affector = ParticleAffectorPtr(new Gravity270Affector);
else if(childNode->tag() == "Gravity315Affector")
affector = ParticleAffectorPtr(new Gravity315Affector);
else if(childNode->tag() == "GoToPointAffector")
affector = ParticleAffectorPtr(new GoToPointAffector);
if(affector) {
affector->load(childNode);
m_affectors.push_back(affector);
}
}
}
return true;
}
@@ -53,6 +70,9 @@ void ParticleSystem::render()
void ParticleSystem::update()
{
float elapsedTime = g_clock.timeElapsed(m_lastUpdateTime);
m_lastUpdateTime = g_clock.time();
// check if finished
if(m_particles.empty() && m_emitters.empty()) {
m_finished = true;
@@ -77,6 +97,11 @@ void ParticleSystem::update()
it = m_particles.erase(it);
continue;
}
// pass particles through affectors
for(const ParticleAffectorPtr& particleAffector : m_affectors)
particleAffector->update(particle, elapsedTime);
particle->update();
++it;
}