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Add new particles demo (Space battle)

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This commit is contained in:
Lynix
2016-11-24 12:14:58 +01:00
parent 0fa50ade91
commit fd605ade12
8 changed files with 1457 additions and 0 deletions
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70
examples/Particles/Common.cpp Normal file
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#include "Common.hpp"
#include <Nazara/Core/Error.hpp>
#include <Nazara/Utility/SimpleTextDrawer.hpp>
#include <NDK/Components/ParticleGroupComponent.hpp>
#include <NDK/Systems/RenderSystem.hpp>
ParticleDemo::ParticleDemo(const Nz::String& name, const ExampleShared& exampleShared) :
m_shared(exampleShared),
m_index(s_demoIndex++),
m_name(name)
{
}
void ParticleDemo::Enter(Ndk::StateMachine& fsm)
{
m_shared.demoName->Update(Nz::SimpleTextDrawer::Draw(Nz::String::Number(m_index+1) + " - " + m_name, 48));
m_fpsCounter = 0;
m_updateClock.Restart();
Ndk::RenderSystem& renderSystem2D = m_shared.world2D->GetSystem<Ndk::RenderSystem>();
Ndk::RenderSystem& renderSystem3D = m_shared.world3D->GetSystem<Ndk::RenderSystem>();
m_oldBackground2D = renderSystem2D.GetDefaultBackground();
m_oldBackground3D = renderSystem3D.GetDefaultBackground();
}
void ParticleDemo::Leave(Ndk::StateMachine& fsm)
{
m_shared.world2D->GetSystem<Ndk::RenderSystem>().SetDefaultBackground(m_oldBackground2D);
m_shared.world3D->GetSystem<Ndk::RenderSystem>().SetDefaultBackground(m_oldBackground3D);
m_entities.clear();
m_particleGroups.clear();
}
bool ParticleDemo::Update(Ndk::StateMachine& fsm, float elapsedTime)
{
m_fpsCounter++;
if (m_updateClock.GetMilliseconds() > 1000)
{
m_updateClock.Restart();
m_shared.fpsCount->Update(Nz::SimpleTextDrawer::Draw(Nz::String::Number(m_fpsCounter) + " FPS", 24));
m_fpsCounter = 0;
unsigned int particleCount = 0;
for (const Ndk::EntityHandle& entity : m_particleGroups)
{
const Ndk::ParticleGroupComponent& group = entity->GetComponent<Ndk::ParticleGroupComponent>();
particleCount += group.GetParticleCount();
}
m_shared.particleCount->Update(Nz::SimpleTextDrawer::Draw(Nz::String::Number(particleCount) + " particles", 36));
}
return true;
}
void ParticleDemo::RegisterEntity(const Ndk::EntityHandle& entity)
{
m_entities.emplace_back(entity);
}
void ParticleDemo::RegisterParticleGroup(const Ndk::EntityHandle& entity)
{
NazaraAssert(entity->HasComponent<Ndk::ParticleGroupComponent>(), "Must have particle group component");
m_particleGroups.emplace_back(entity);
}
std::size_t ParticleDemo::s_demoIndex = 0;