Add new particles demo (Space battle)

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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#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;

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#pragma once
#ifndef NAZARA_EXAMPLES_PARTICLES_COMMON_HPP
#define NAZARA_EXAMPLES_PARTICLES_COMMON_HPP
#include <Nazara/Core/Clock.hpp>
#include <Nazara/Graphics/AbstractBackground.hpp>
#include <Nazara/Graphics/TextSprite.hpp>
#include <Nazara/Renderer/RenderWindow.hpp>
#include <NDK/Components/ParticleGroupComponent.hpp>
#include <NDK/EntityOwner.hpp>
#include <NDK/StateMachine.hpp>
#include <NDK/World.hpp>
#include <memory>
#include <random>
#include <vector>
class ParticleDemo;
struct ExampleShared
{
mutable std::mt19937 randomGen;
std::vector<std::shared_ptr<ParticleDemo>> demos;
Nz::RenderWindow* target;
Nz::TextSpriteRef demoName;
Nz::TextSpriteRef fpsCount;
Nz::TextSpriteRef particleCount;
Ndk::EntityHandle viewer2D;
Ndk::EntityHandle viewer3D;
Ndk::WorldHandle world2D;
Ndk::WorldHandle world3D;
};
class ParticleDemo : public Ndk::State
{
public:
ParticleDemo(const Nz::String& name, const ExampleShared& exampleShared);
~ParticleDemo() = default;
void Enter(Ndk::StateMachine& fsm) override;
void Leave(Ndk::StateMachine& fsm) override;
bool Update(Ndk::StateMachine& fsm, float elapsedTime) override;
protected:
const ExampleShared& m_shared;
void RegisterEntity(const Ndk::EntityHandle& entity);
void RegisterParticleGroup(const Ndk::EntityHandle& entity);
private:
std::size_t m_index;
std::vector<Ndk::EntityOwner> m_entities;
std::vector<Ndk::EntityOwner> m_particleGroups;
Nz::BackgroundRef m_oldBackground2D;
Nz::BackgroundRef m_oldBackground3D;
Nz::Clock m_updateClock;
Nz::String m_name;
unsigned int m_fpsCounter;
static std::size_t s_demoIndex;
};
#endif // NAZARA_EXAMPLES_PARTICLES_COMMON_HPP

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#include "LogoDemo.hpp"
#include <Nazara/Graphics.hpp>
#include <Nazara/Utility.hpp>
#include <NDK/Components.hpp>
#include <NDK/Systems.hpp>
#include <iostream>
namespace
{
const float duration = 10.f;
const float maxVel = 50.f;
const float pauseTime = 3.f;
const float startTime = 2.f;
const float speed = 3.f;
}
struct SpriteController : public Nz::ParticleController
{
void Apply(Nz::ParticleGroup& system, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime) override
{
if (!enabled)
return;
auto posPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
auto velPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
for (unsigned int i = startId; i <= endId; ++i)
posPtr[i] += velPtr[i] * elapsedTime * factor;
}
bool enabled = false;
float factor = 1.f;
};
class SpriteRenderer : public Nz::ParticleRenderer
{
public:
SpriteRenderer(Nz::MaterialRef mat) :
m_material(mat)
{
}
void Render(const Nz::ParticleGroup& system, const Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, Nz::AbstractRenderQueue* renderQueue)
{
Nz::Vector2f size(1.f, 1.f);
Nz::SparsePtr<const Nz::Vector2f> sizePtr(&size, 0);
Nz::SparsePtr<const Nz::Vector2f> sinCosPtr(nullptr, 0);
renderQueue->AddBillboards(0, m_material, endId - startId + 1, mapper.GetComponentPtr<const Nz::Vector3f>(Nz::ParticleComponent_Position), sizePtr, sinCosPtr, mapper.GetComponentPtr<const Nz::Color>(Nz::ParticleComponent_Color));
}
private:
Nz::MaterialRef m_material;
};
LogoExample::LogoExample(ExampleShared& sharedData) :
ParticleDemo("Logo", sharedData)
{
Nz::ImageParams params;
params.loadFormat = Nz::PixelFormatType_RGBA8;
if (!m_logo.LoadFromFile("resources/Logo.png", params))
NazaraError("Failed to load logo!");
unsigned int width = m_logo.GetWidth();
unsigned int height = m_logo.GetHeight();
m_pixels.reserve(width * height);
for (unsigned int y = 0; y < height; ++y)
{
for (unsigned int x = 0; x < width; ++x)
{
Nz::Color color = m_logo.GetPixelColor(x, y);
if (color.a == 0)
continue;
PixelData data;
data.pos.Set(x, y);
data.color = color;
m_pixels.push_back(data);
}
}
Nz::MaterialRef material = Nz::Material::New();
material->EnableBlending(true);
material->EnableDepthWrite(false);
material->EnableFaceCulling(false);
material->SetDstBlend(Nz::BlendFunc_InvSrcAlpha);
material->SetSrcBlend(Nz::BlendFunc_SrcAlpha);
m_controller = new SpriteController;
m_renderer = new SpriteRenderer(std::move(material));
}
void LogoExample::Enter(Ndk::StateMachine& fsm)
{
ParticleDemo::Enter(fsm);
m_shared.world3D->GetSystem<Ndk::RenderSystem>().SetDefaultBackground(nullptr);
Nz::TextureRef backgroundTexture = Nz::Texture::New();
if (backgroundTexture->LoadFromFile("resources/stars-background.jpg"))
m_shared.world2D->GetSystem<Ndk::RenderSystem>().SetDefaultBackground(Nz::TextureBackground::New(std::move(backgroundTexture)));
Ndk::EntityHandle particleGroupEntity = m_shared.world2D->CreateEntity();
Ndk::ParticleGroupComponent& particleGroup = particleGroupEntity->AddComponent<Ndk::ParticleGroupComponent>(m_pixels.size(), Nz::ParticleLayout_Sprite);
RegisterParticleGroup(particleGroupEntity);
particleGroup.AddController(m_controller);
particleGroup.SetRenderer(m_renderer);
m_particles = static_cast<Nz::ParticleStruct_Sprite*>(particleGroup.CreateParticles(m_pixels.size()));
ResetParticles(-duration * (speed / 2.f));
m_accumulator = pauseTime + duration;
m_totalAccumulator = 0.f;
}
void LogoExample::Leave(Ndk::StateMachine & fsm)
{
ParticleDemo::Leave(fsm);
}
bool LogoExample::Update(Ndk::StateMachine& fsm, float elapsedTime)
{
if (!ParticleDemo::Update(fsm, elapsedTime))
return false;
m_totalAccumulator += elapsedTime;
if (m_totalAccumulator <= startTime)
return true;
m_accumulator += elapsedTime;
SpriteController* controller = static_cast<SpriteController*>(m_controller.Get());
if (m_accumulator > pauseTime + 2.f * duration)
{
ResetParticles(0.f);
m_accumulator = 0.f;
}
controller->enabled = (m_accumulator > pauseTime);
controller->factor = -speed + speed * (m_accumulator - pauseTime) / (duration);
return true;
}
void LogoExample::ResetParticles(float elapsed)
{
Nz::Vector2f center = {m_shared.target->GetWidth() / 2.f, m_shared.target->GetHeight() / 2.f};
Nz::Vector2f offset = center - Nz::Vector2f(Nz::Vector2ui(m_logo.GetSize()) / 2);
float ratio = float(m_shared.target->GetWidth()) / m_shared.target->GetHeight();
std::uniform_real_distribution<float> disX(-maxVel * ratio, maxVel * ratio);
std::uniform_real_distribution<float> disY(-maxVel, maxVel);
Nz::ParticleStruct_Sprite* sprite = m_particles;
for (PixelData& data : m_pixels)
{
sprite->color = data.color;
sprite->position = offset + Nz::Vector2f(data.pos);
sprite->rotation = 0.f;
sprite->velocity.Set(disX(m_shared.randomGen), disY(m_shared.randomGen), 0.f);
sprite->position += sprite->velocity * elapsed;
sprite++;
}
}

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#pragma once
#ifndef NAZARA_EXAMPLES_PARTICLES_LOGO_HPP
#define NAZARA_EXAMPLES_PARTICLES_LOGO_HPP
#include <Nazara/Math/Vector2.hpp>
#include <Nazara/Graphics/ParticleStruct.hpp>
#include <NDK/State.hpp>
#include <vector>
#include "Common.hpp"
class LogoExample : public ParticleDemo
{
public:
LogoExample(ExampleShared& sharedData);
~LogoExample() = default;
void Enter(Ndk::StateMachine& fsm) override;
void Leave(Ndk::StateMachine& fsm) override;
bool Update(Ndk::StateMachine& fsm, float elapsedTime) override;
private:
void ResetParticles(float elapsed);
struct PixelData
{
Nz::Vector2ui pos;
Nz::Color color;
};
std::vector<PixelData> m_pixels;
Nz::BackgroundRef m_oldBackground;
Nz::ParticleStruct_Sprite* m_particles;
Nz::Image m_logo;
Nz::ParticleControllerRef m_controller;
Nz::ParticleRendererRef m_renderer;
float m_accumulator;
float m_totalAccumulator;
};
#endif // NAZARA_EXAMPLES_PARTICLES_LOGO_HPP

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#include "SpacebattleDemo.hpp"
#include <Nazara/Audio/Sound.hpp>
#include <Nazara/Core/OffsetOf.hpp>
#include <Nazara/Graphics.hpp>
#include <Nazara/Utility.hpp>
#include <NDK/Components.hpp>
#include <NDK/Systems.hpp>
namespace
{
const float maxLaserLife = 15.f;
const float maxSmokeLife = 20.f;
}
struct SpaceshipComponent : public Ndk::Component<SpaceshipComponent>
{
SpaceshipComponent()
{
engineSound.SetBuffer(Nz::SoundBufferManager::Get("resources/spaceship_loop.wav"));
engineSound.EnableSpatialization(true);
engineSound.SetMinDistance(10.f);
engineSound.SetPitch(1.5f);
hitSound.SetBuffer(Nz::SoundBufferManager::Get("resources/explosion.wav"));
hitSound.EnableSpatialization(true);
hitSound.SetMinDistance(150.f);
laserSound.SetBuffer(Nz::SoundBufferManager::Get("resources/laser.wav"));
laserSound.EnableSpatialization(true);
laserSound.SetMinDistance(150.f);
laserSound.SetVolume(60.f);
}
std::array<Nz::SpriteRef, 2> laserBeamSprites;
Nz::Sound engineSound;
Nz::Sound hitSound;
Nz::Sound laserSound;
Nz::UInt64 hitTime = 0;
Nz::Vector3f targetPos = Nz::Vector3f::Zero();
bool attacking = true;
static Ndk::ComponentIndex componentIndex;
};
Ndk::ComponentIndex SpaceshipComponent::componentIndex;
struct LaserBeamComponent : public Ndk::Component<LaserBeamComponent>
{
LaserBeamComponent()
{
Nz::MaterialRef laserBeamMaterial = Nz::MaterialLibrary::Get("LaserBeam");
for (Nz::Sprite& sprite : sprites)
{
sprite.SetMaterial(laserBeamMaterial);
sprite.SetOrigin(Nz::Vector2f(0.f, 0.5f));
sprite.SetTextureCoords(Nz::Rectf(0.f, 0.f, 50.f, 1.f));
}
}
void OnAttached() override
{
auto& spaceshipCom = m_entity->GetComponent<SpaceshipComponent>();
spaceshipCom.laserSound.Play();
}
std::array<Nz::Sprite, 2> sprites;
Nz::Vector3f origin = Nz::Vector3f::Zero();
float length = 1500.f;
float life = 2.f;
float width = 2.f;
static Ndk::ComponentIndex componentIndex;
};
Ndk::ComponentIndex LaserBeamComponent::componentIndex;
class LaserBeamSystem : public Ndk::System<LaserBeamSystem>
{
public:
LaserBeamSystem(const ExampleShared& sharedData) :
m_sharedData(sharedData)
{
Requires<Ndk::GraphicsComponent, LaserBeamComponent>();
}
void OnEntityAdded(Ndk::Entity* entity) override
{
auto& laserComponent = entity->GetComponent<LaserBeamComponent>();
auto& gfxComponent = entity->GetComponent<Ndk::GraphicsComponent>();
for (Nz::Sprite& sprite : laserComponent.sprites)
sprite.SetSize({laserComponent.length, laserComponent.width});
gfxComponent.Attach(&laserComponent.sprites[0], Nz::Matrix4f::Transform(laserComponent.origin, Nz::EulerAnglesf(0.f, 90.f, 0.f)));
gfxComponent.Attach(&laserComponent.sprites[1], Nz::Matrix4f::Transform(laserComponent.origin, Nz::EulerAnglesf(90.f, 90.f, 0.f)));
}
void OnUpdate(float elapsedTime) override
{
const float scrollSpeed = 2.f;
for (const Ndk::EntityHandle& entity : GetEntities())
{
auto& laserComponent = entity->GetComponent<LaserBeamComponent>();
for (Nz::Sprite& sprite : laserComponent.sprites)
{
Nz::Rectf rect = sprite.GetTextureCoords();
rect.x = std::fmod(rect.x - elapsedTime * scrollSpeed, rect.width);
sprite.SetTextureCoords(rect);
}
}
}
static Ndk::SystemIndex systemIndex;
private:
const ExampleShared& m_sharedData;
};
Ndk::SystemIndex LaserBeamSystem::systemIndex;
class SpaceshipSystem : public Ndk::System<SpaceshipSystem>
{
public:
SpaceshipSystem(const ExampleShared& sharedData) :
m_sharedData(sharedData)
{
Requires<Ndk::NodeComponent, Ndk::VelocityComponent, SpaceshipComponent>();
}
void OnEntityAdded(Ndk::Entity* entity) override
{
std::uniform_real_distribution<float> pitchDis(0.8f, 1.5f);
auto& nodeComponent = entity->GetComponent<Ndk::NodeComponent>();
auto& spaceshipComponent = entity->GetComponent<SpaceshipComponent>();
spaceshipComponent.engineSound.SetPosition(nodeComponent.GetPosition());
spaceshipComponent.engineSound.Play();
spaceshipComponent.engineSound.EnableLooping(true);
spaceshipComponent.laserSound.SetPitch(pitchDis(m_sharedData.randomGen));
}
void OnUpdate(float elapsedTime) override
{
const float escapeMaxDist = 50.f;
const float speed = 200.f;
Nz::UInt64 curTime = Nz::GetElapsedMilliseconds();
std::uniform_real_distribution<float> dis(-escapeMaxDist, escapeMaxDist);
for (const Ndk::EntityHandle& entity : GetEntities())
{
auto& nodeComponent = entity->GetComponent<Ndk::NodeComponent>();
auto& spaceshipComponent = entity->GetComponent<SpaceshipComponent>();
auto& velocityComponent = entity->GetComponent<Ndk::VelocityComponent>();
//< I agree, I need some kind of SoundEmitterComponent
spaceshipComponent.engineSound.SetPosition(nodeComponent.GetPosition());
spaceshipComponent.engineSound.SetVelocity(velocityComponent.linearVelocity);
spaceshipComponent.hitSound.SetPosition(nodeComponent.GetPosition());
spaceshipComponent.hitSound.SetVelocity(velocityComponent.linearVelocity);
spaceshipComponent.laserSound.SetPosition(nodeComponent.GetPosition());
spaceshipComponent.laserSound.SetVelocity(velocityComponent.linearVelocity);
Nz::Vector3f targetDir = spaceshipComponent.targetPos - nodeComponent.GetPosition();
targetDir.Normalize();
Nz::Quaternionf targetRotation = Nz::Quaternionf::RotationBetween(Nz::Vector3f::Forward(), targetDir);
nodeComponent.SetRotation(Nz::Quaternionf::Slerp(nodeComponent.GetRotation(), targetRotation, elapsedTime * 1.5f));
Nz::Vector3f actualDir = nodeComponent.GetForward();
float sqDistance = spaceshipComponent.targetPos.SquaredDistance(nodeComponent.GetPosition());
if (spaceshipComponent.attacking)
{
float dotProduct = targetDir.DotProduct(actualDir);
if (dotProduct > 0.9f && sqDistance < (150.f * 150.f) && !entity->HasComponent<LaserBeamComponent>())
{
auto& laserBeam = entity->AddComponent<LaserBeamComponent>();
laserBeam.origin = Nz::Vector3f::Forward() * 12.f + Nz::Vector3f::Down() * 2.f;
}
if (sqDistance < (100.f * 100.f))
{
entity->RemoveComponent<LaserBeamComponent>();
spaceshipComponent.targetPos -= Nz::Vector3f(dis(m_sharedData.randomGen), dis(m_sharedData.randomGen), dis(m_sharedData.randomGen)) * -actualDir * escapeMaxDist / 2.f;
spaceshipComponent.attacking = false;
}
}
else if (sqDistance < (50.f * 50.f) && spaceshipComponent.hitTime == 0)
{
spaceshipComponent.targetPos = Nz::Vector3f::Zero();
spaceshipComponent.attacking = true;
}
if (spaceshipComponent.hitTime == 0 || curTime - spaceshipComponent.hitTime <= 1000)
velocityComponent.linearVelocity = actualDir * speed;
else if (curTime - spaceshipComponent.hitTime > 10000)
entity->Kill();
}
}
static Ndk::SystemIndex systemIndex;
private:
const ExampleShared& m_sharedData;
};
Ndk::SystemIndex SpaceshipSystem::systemIndex;
struct TorpedoParticle
{
Nz::Color color;
Nz::Vector2f size;
Nz::Vector3f position;
Nz::Vector3f velocity;
float rotation;
float life;
};
SpacebattleExample::SpacebattleExample(ExampleShared& sharedData) :
ParticleDemo("Space battle", sharedData)
{
Ndk::InitializeComponent<LaserBeamComponent>("Lasrbeam");
Ndk::InitializeComponent<SpaceshipComponent>("Spceship");
Ndk::InitializeSystem<LaserBeamSystem>();
Ndk::InitializeSystem<SpaceshipSystem>();
Nz::ModelParameters parameters;
parameters.mesh.optimizeIndexBuffers = false;
Nz::Color grey(100, 100, 100);
if (!m_turret.baseModel.LoadFromFile("resources/Turret/base.obj", parameters))
NazaraWarning("Failed to load base.obj");
for (unsigned int i = 0; i < m_turret.baseModel.GetMaterialCount(); ++i)
m_turret.baseModel.GetMaterial(i)->SetDiffuseColor(grey);
if (!m_turret.rotatingBaseModel.LoadFromFile("resources/Turret/rotating_base.obj", parameters))
NazaraWarning("Failed to load rotating_base.obj");
for (unsigned int i = 0; i < m_turret.rotatingBaseModel.GetMaterialCount(); ++i)
m_turret.rotatingBaseModel.GetMaterial(i)->SetDiffuseColor(grey);
if (!m_turret.cannonBaseModel.LoadFromFile("resources/Turret/cannon_base.obj", parameters))
NazaraWarning("Failed to load cannon_base.obj");
for (unsigned int i = 0; i < m_turret.cannonBaseModel.GetMaterialCount(); ++i)
m_turret.cannonBaseModel.GetMaterial(i)->SetDiffuseColor(grey);
parameters.mesh.texCoordScale.Set(40.f, 40.f);
parameters.mesh.matrix = Nz::Matrix4f::Rotate(Nz::EulerAnglesf(0.f, 180.f, 0.f));
if (!m_turret.cannonModel.LoadFromFile("resources/Turret/cannon.obj", parameters))
NazaraWarning("Failed to load cannon.obj");
// Since OBJ don't support normal maps..
m_turret.cannonModel.GetMaterial(0)->SetNormalMap("resources/Turret/198_norm.jpg");
parameters.mesh.matrix.MakeIdentity();
parameters.mesh.texCoordScale.Set(1.f, 1.f);
parameters.mesh.center = true;
if (!m_spacestationModel.LoadFromFile("resources/SpaceStation/space_station.obj", parameters))
NazaraWarning("Failed to load space_station.obj");
parameters.mesh.texCoordScale.Set(1.f, -1.f);
parameters.mesh.matrix.MakeRotation(Nz::EulerAnglesf(0.f, -90.f, 0.f));
if (!m_spaceshipModel.LoadFromFile("resources/space_frigate_6/space_frigate_6.obj", parameters))
NazaraWarning("Failed to load space_frigate_6.obj");
// Since OBJ don't support normal maps..
for (unsigned int i = 0; i < m_spaceshipModel.GetMaterialCount(); ++i)
{
m_spaceshipModel.GetMaterial(i)->SetEmissiveMap("resources/space_frigate_6/space_frigate_6_illumination.jpg");
m_spaceshipModel.GetMaterial(i)->SetNormalMap("resources/space_frigate_6/space_frigate_6_normal.png");
}
Nz::TextureRef skyboxCubemap = Nz::Texture::New();
if (skyboxCubemap->Create(Nz::ImageType_Cubemap, Nz::PixelFormatType_RGBA8, 2048, 2048))
{
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_PositiveX, "resources/purple_nebula_skybox/purple_nebula_skybox_right1.png");
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_PositiveY, "resources/purple_nebula_skybox/purple_nebula_skybox_top3.png");
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_PositiveZ, "resources/purple_nebula_skybox/purple_nebula_skybox_front5.png");
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_NegativeX, "resources/purple_nebula_skybox/purple_nebula_skybox_left2.png");
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_NegativeY, "resources/purple_nebula_skybox/purple_nebula_skybox_bottom4.png");
skyboxCubemap->LoadFaceFromFile(Nz::CubemapFace_NegativeZ, "resources/purple_nebula_skybox/purple_nebula_skybox_back6.png");
m_skybox.SetTexture(std::move(skyboxCubemap));
}
m_torpedoDeclaration = Nz::ParticleDeclaration::New();
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Color, Nz::ComponentType_Color, NazaraOffsetOf(TorpedoParticle, color));
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Position, Nz::ComponentType_Float3, NazaraOffsetOf(TorpedoParticle, position));
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Rotation, Nz::ComponentType_Float1, NazaraOffsetOf(TorpedoParticle, rotation));
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Size, Nz::ComponentType_Float2, NazaraOffsetOf(TorpedoParticle, size));
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Life, Nz::ComponentType_Float1, NazaraOffsetOf(TorpedoParticle, life));
m_torpedoDeclaration->EnableComponent(Nz::ParticleComponent_Velocity, Nz::ComponentType_Float3, NazaraOffsetOf(TorpedoParticle, velocity));
Nz::TextureSampler diffuseSampler;
diffuseSampler.SetWrapMode(Nz::SamplerWrap_Repeat);
Nz::MaterialRef material = Nz::Material::New("Translucent3D");
material->SetDiffuseMap("resources/LaserBeam.png");
material->SetDiffuseSampler(diffuseSampler);
Nz::MaterialLibrary::Register("LaserBeam", std::move(material));
Nz::MaterialRef sparkleMat1 = Nz::Material::New("Translucent3D");
sparkleMat1->SetDiffuseMap("resources/flare1.png");
Nz::MaterialLibrary::Register("TorpedoFlare1", std::move(sparkleMat1));
m_spaceshipTemplate = m_shared.world3D->CreateEntity();
m_spaceshipTemplate->Enable(false);
auto& gfxComponent = m_spaceshipTemplate->AddComponent<Ndk::GraphicsComponent>();
auto& nodeComponent = m_spaceshipTemplate->AddComponent<Ndk::NodeComponent>();
auto& velocityComponent = m_spaceshipTemplate->AddComponent<Ndk::VelocityComponent>();
auto& spaceshipComponent = m_spaceshipTemplate->AddComponent<SpaceshipComponent>();
gfxComponent.Attach(&m_spaceshipModel);
m_ambientMusic.OpenFromFile("resources/ambience.ogg");
m_ambientMusic.SetVolume(60.f);
}
void SpacebattleExample::Enter(Ndk::StateMachine& fsm)
{
ParticleDemo::Enter(fsm);
m_shared.world3D->AddSystem<LaserBeamSystem>(m_shared);
m_shared.world3D->AddSystem<SpaceshipSystem>(m_shared);
Ndk::RenderSystem& renderSystem2D = m_shared.world2D->GetSystem<Ndk::RenderSystem>();
Ndk::RenderSystem& renderSystem3D = m_shared.world3D->GetSystem<Ndk::RenderSystem>();
renderSystem2D.SetDefaultBackground(nullptr);
renderSystem3D.SetDefaultBackground(&m_skybox);
CreateSpaceShip();
CreateTurret();
Ndk::EntityHandle light = m_shared.world3D->CreateEntity();
Ndk::NodeComponent& lightNode = light->AddComponent<Ndk::NodeComponent>();
Ndk::LightComponent& lightComp = light->AddComponent<Ndk::LightComponent>(Nz::LightType_Directional);
lightNode.SetRotation(Nz::EulerAnglesf(-30.f, 0.f, 0.f));
RegisterEntity(light);
Ndk::NodeComponent& cameraNode = m_shared.viewer3D->GetComponent<Ndk::NodeComponent>();
cameraNode.SetParent(m_turret.cannonAnchorEntity);
cameraNode.SetPosition(Nz::Vector3f::Up() * 4.f - Nz::Vector3f::Backward() * 6.f);
cameraNode.SetRotation(Nz::EulerAnglesf(0.f, 180.f, 0.f));
m_introTimer = 10.f;
m_spaceshipSpawnCounter = -5.f;
m_turretBaseRotation = 0.f;
m_turretCannonBaseRotation = 0.f;
m_turretShootTimer = 0.f;
Ndk::EntityHandle torpedoGroupEntity = m_shared.world3D->CreateEntity();
m_torpedoGroup = torpedoGroupEntity->AddComponent<Ndk::ParticleGroupComponent>(200, m_torpedoDeclaration).CreateHandle();
RegisterParticleGroup(torpedoGroupEntity);
m_torpedoGroup->AddController(Nz::ParticleFunctionController::New([] (Nz::ParticleGroup& group, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime)
{
auto positionPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
auto lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
auto rotationPtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Rotation);
auto velocityPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
for (unsigned int i = startId; i <= endId; ++i)
{
rotationPtr[i] += elapsedTime * 90.f;
positionPtr[i] += velocityPtr[i] * elapsedTime;
lifePtr[i] -= elapsedTime;
if (lifePtr[i] < 0.f)
group.KillParticle(i);
}
}));
m_torpedoGroup->AddController(Nz::ParticleFunctionController::New([this] (Nz::ParticleGroup& group, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime)
{
auto positionPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
auto rotationPtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Rotation);
auto sizePtr = mapper.GetComponentPtr<Nz::Vector2f>(Nz::ParticleComponent_Size);
auto velocityPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
auto& spaceshipSystem = m_shared.world3D->GetSystem<SpaceshipSystem>();
for (unsigned int i = startId; i <= endId; ++i)
{
Nz::Spheref torpedoSphere(positionPtr[i], std::max(sizePtr[i].x, sizePtr[i].y) * 0.1f);
for (const Ndk::EntityHandle& entity : spaceshipSystem.GetEntities())
{
auto& spaceshipNode = entity->GetComponent<Ndk::NodeComponent>();
Nz::Spheref spaceshipSphere(spaceshipNode.GetPosition(), 10.f);
if (torpedoSphere.Intersect(spaceshipSphere))
{
entity->RemoveComponent<LaserBeamComponent>();
group.KillParticle(i);
const float hitMaxDist = 500.f;
std::uniform_real_distribution<float> dis(-hitMaxDist, hitMaxDist);
auto& spaceshipComponent = entity->GetComponent<SpaceshipComponent>();
spaceshipComponent.attacking = false;
spaceshipComponent.engineSound.Stop();
spaceshipComponent.hitSound.Play();
spaceshipComponent.hitTime = Nz::GetElapsedMilliseconds();
spaceshipComponent.targetPos = Nz::Vector3f(dis(m_shared.randomGen), dis(m_shared.randomGen), dis(m_shared.randomGen));
auto& emitter = entity->AddComponent<Ndk::ParticleEmitterComponent>();
emitter.SetEmissionCount(2);
emitter.SetEmissionRate(200.f);
emitter.SetSetupFunc([this] (const Ndk::EntityHandle& entity, Nz::ParticleMapper& mapper, unsigned int count)
{
auto& gen = m_shared.randomGen;
const float maxFireVel = 15.f;
std::uniform_real_distribution<float> lifeDis(-0.5f, 0.5f);
std::uniform_real_distribution<float> normalDis(-1.f, 1.f);
std::uniform_real_distribution<float> posDis(-0.1f, 0.1f);
std::uniform_real_distribution<float> rotDis(-180.f, 180.f);
std::uniform_real_distribution<float> sizeDis(1.0f, 4.f);
std::uniform_real_distribution<float> velDis(-maxFireVel, maxFireVel);
Nz::Vector3f pos = entity->GetComponent<Ndk::NodeComponent>().GetPosition();
Nz::ParticleStruct_Billboard* billboards = static_cast<Nz::ParticleStruct_Billboard*>(mapper.GetPointer());
Nz::ParticleStruct_Billboard* smokeParticles = static_cast<Nz::ParticleStruct_Billboard*>(m_smokeGroup->CreateParticles(count));
for (unsigned int i = 0; i < count; ++i)
{
billboards[i].color = Nz::Color::White;
billboards[i].life = 1.f + lifeDis(gen);
billboards[i].position = pos + Nz::Vector3f(posDis(gen), posDis(gen), posDis(gen));
billboards[i].rotation = rotDis(gen);
billboards[i].size = {1.28f, 1.28f};
billboards[i].size *= sizeDis(gen);
billboards[i].velocity.Set(normalDis(gen), normalDis(gen), normalDis(gen));
billboards[i].velocity.Normalize();
billboards[i].velocity *= velDis(gen);
smokeParticles[i].color = Nz::Color(128, 128, 128, 0);
smokeParticles[i].life = maxSmokeLife;
smokeParticles[i].position = billboards[i].position;
smokeParticles[i].rotation = billboards[i].rotation;
smokeParticles[i].size = {2.56f, 2.56f};
smokeParticles[i].size *= sizeDis(gen);
smokeParticles[i].velocity = billboards[i].velocity / 2.f;
}
});
m_fireGroup->AddEmitter(entity);
break;
}
}
}
}));
m_torpedoGroup->SetRenderer(Nz::ParticleFunctionRenderer::New([sparkleMat1 = Nz::MaterialLibrary::Get("TorpedoFlare1")] (const Nz::ParticleGroup& group, const Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, Nz::AbstractRenderQueue* renderQueue)
{
auto positionPtr = mapper.GetComponentPtr<const Nz::Vector3f>(Nz::ParticleComponent_Position);
auto rotationPtr = mapper.GetComponentPtr<const float>(Nz::ParticleComponent_Rotation);
auto sizePtr = mapper.GetComponentPtr<const Nz::Vector2f>(Nz::ParticleComponent_Size);
auto velocityPtr = mapper.GetComponentPtr<const Nz::Vector3f>(Nz::ParticleComponent_Velocity);
renderQueue->AddBillboards(0, sparkleMat1, endId - startId + 1, positionPtr, sizePtr, rotationPtr);
for (unsigned int i = startId; i <= endId; ++i)
{
Nz::AbstractRenderQueue::PointLight pointLight;
pointLight.ambientFactor = 0.f;
pointLight.attenuation = 0.9f;
pointLight.color = Nz::Color::Cyan;
pointLight.diffuseFactor = 1.f;
pointLight.position = positionPtr[i];
pointLight.radius = std::max(sizePtr[i].x, sizePtr[i].y) * 2.f;
pointLight.invRadius = 1.f / pointLight.radius;
pointLight.shadowMap = nullptr;
renderQueue->AddPointLight(pointLight);
}
}));
//////////////////////////////////////////////////////////////////////////
Ndk::EntityHandle fireGroupEntity = m_shared.world3D->CreateEntity();
m_fireGroup = fireGroupEntity->AddComponent<Ndk::ParticleGroupComponent>(40000, Nz::ParticleDeclaration::Get(Nz::ParticleLayout_Billboard)).CreateHandle();
RegisterParticleGroup(fireGroupEntity);
Ndk::EntityHandle smokeGroupEntity = m_shared.world3D->CreateEntity();
m_smokeGroup = smokeGroupEntity->AddComponent<Ndk::ParticleGroupComponent>(40000, Nz::ParticleDeclaration::Get(Nz::ParticleLayout_Billboard)).CreateHandle();
RegisterParticleGroup(smokeGroupEntity);
auto movementController = Nz::ParticleFunctionController::New([this] (Nz::ParticleGroup& group, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime)
{
auto lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
auto posPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Position);
auto sizePtr = mapper.GetComponentPtr<Nz::Vector2f>(Nz::ParticleComponent_Size);
auto velPtr = mapper.GetComponentPtr<Nz::Vector3f>(Nz::ParticleComponent_Velocity);
auto& spaceshipSystem = m_shared.world3D->GetSystem<SpaceshipSystem>();
const Nz::Vector2f sizeGrowth(0.5f);
float velFactor = std::pow(0.9f, elapsedTime * 15.f);
for (unsigned int i = startId; i <= endId; ++i)
{
float& remainingLife = lifePtr[i];
remainingLife -= elapsedTime;
if (remainingLife <= 0.f)
{
group.KillParticle(i);
continue;
}
Nz::Vector3f& position = posPtr[i];
Nz::Vector2f& size = sizePtr[i];
Nz::Vector3f& velocity = velPtr[i];
position += velPtr[i] * elapsedTime;
size += sizeGrowth * elapsedTime;
velocity *= (velocity.GetSquaredLength() >= 1.f) ? velFactor : 1.f;
if (remainingLife <= 18.f)
{
for (const Ndk::EntityHandle& entity : spaceshipSystem.GetEntities())
{
auto& spaceshipNode = entity->GetComponent<Ndk::NodeComponent>();
Nz::Spheref spaceshipSphere(spaceshipNode.GetPosition(), 5.f);
if (spaceshipSphere.Contains(position))
{
auto& spaceshipVel = entity->GetComponent<Ndk::VelocityComponent>();
Nz::Vector3f force = spaceshipVel.linearVelocity * 2.f + (position - spaceshipSphere.GetPosition()) * 10.f;
velocity += force * elapsedTime;
}
}
TorpedoParticle* torpedos = static_cast<TorpedoParticle*>(m_torpedoGroup->GetBuffer());
std::size_t torpedoCount = m_torpedoGroup->GetParticleCount();
for (std::size_t j = 0; j < torpedoCount; ++j)
{
Nz::Spheref tordedoSphere(torpedos[j].position, 5.f);
if (tordedoSphere.Contains(position))
{
Nz::Spheref tordedoCenter(torpedos[j].position, 2.f);
if (tordedoCenter.Contains(position))
{
group.KillParticle(i);
break;
}
Nz::Vector3f dir = (torpedos[j].position - position);
float length;
dir.Normalize(&length);
remainingLife -= 100.f * elapsedTime / length;
size -= 100.f * sizeGrowth * elapsedTime / length;
velocity += 500.f * dir * elapsedTime / length;
velocity += torpedos[j].velocity * elapsedTime;
break; //< There's no way a particle would be in multiple torpedo at once
}
}
}
}
});
m_fireGroup->AddController(movementController);
m_fireGroup->AddController(Nz::ParticleFunctionController::New([] (Nz::ParticleGroup& group, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime)
{
auto colorPtr = mapper.GetComponentPtr<Nz::Color>(Nz::ParticleComponent_Color);
auto lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
float velFactor = std::pow(0.9f, elapsedTime / 0.1f);
for (unsigned int i = startId; i <= endId; ++i)
colorPtr[i].a = static_cast<Nz::UInt8>(Nz::Clamp(lifePtr[i] * 255.f, 0.f, 255.f));
}));
m_smokeGroup->AddController(movementController);
m_smokeGroup->AddController(Nz::ParticleFunctionController::New([] (Nz::ParticleGroup& group, Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, float elapsedTime)
{
auto colorPtr = mapper.GetComponentPtr<Nz::Color>(Nz::ParticleComponent_Color);
auto lifePtr = mapper.GetComponentPtr<float>(Nz::ParticleComponent_Life);
for (unsigned int i = startId; i <= endId; ++i)
{
float alpha = std::min((maxSmokeLife - lifePtr[i]) * 255.f / 5.f, 255.f);
alpha -= std::max((maxSmokeLife - lifePtr[i]) / maxSmokeLife * 255.f, 0.f);
colorPtr[i].a = static_cast<Nz::UInt8>(Nz::Clamp(alpha, 0.f, 255.f));
}
}));
Nz::MaterialRef fireMat = Nz::Material::New("Translucent3D");
fireMat->EnableFaceCulling(true);
fireMat->SetDiffuseMap("resources/fire_particle.png");
// Additive blending for fire
fireMat->SetDstBlend(Nz::BlendFunc_One);
fireMat->SetSrcBlend(Nz::BlendFunc_SrcAlpha);
Nz::MaterialRef smokeMat = Nz::Material::New("Translucent3D");
smokeMat->EnableFaceCulling(true);
smokeMat->SetDiffuseColor(Nz::Color(128, 128, 128));
smokeMat->SetDiffuseMap("resources/smoke.png");
m_fireGroup->SetRenderer(Nz::ParticleFunctionRenderer::New([fireMat] (const Nz::ParticleGroup& group, const Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, Nz::AbstractRenderQueue* renderQueue)
{
auto colorPtr = mapper.GetComponentPtr<const Nz::Color>(Nz::ParticleComponent_Color);
auto posPtr = mapper.GetComponentPtr<const Nz::Vector3f>(Nz::ParticleComponent_Position);
auto rotPtr = mapper.GetComponentPtr<const float>(Nz::ParticleComponent_Rotation);
auto sizePtr = mapper.GetComponentPtr<const Nz::Vector2f>(Nz::ParticleComponent_Size);
renderQueue->AddBillboards(0, fireMat, endId - startId + 1, posPtr, sizePtr, rotPtr, colorPtr);
}));
m_smokeGroup->SetRenderer(Nz::ParticleFunctionRenderer::New([smokeMat] (const Nz::ParticleGroup& group, const Nz::ParticleMapper& mapper, unsigned int startId, unsigned int endId, Nz::AbstractRenderQueue* renderQueue)
{
auto colorPtr = mapper.GetComponentPtr<const Nz::Color>(Nz::ParticleComponent_Color);
auto posPtr = mapper.GetComponentPtr<const Nz::Vector3f>(Nz::ParticleComponent_Position);
auto rotPtr = mapper.GetComponentPtr<const float>(Nz::ParticleComponent_Rotation);
auto sizePtr = mapper.GetComponentPtr<const Nz::Vector2f>(Nz::ParticleComponent_Size);
renderQueue->AddBillboards(0, smokeMat, endId - startId + 1, posPtr, sizePtr, rotPtr, colorPtr);
}));
//////////////////////////////////////////////////////////////////////////
m_ambientMusic.Play();
m_turretFireSound.LoadFromFile("resources/turretFire.wav");
m_turretReloadSound.LoadFromFile("resources/turretReload.wav");
//m_onMouseMoved.Connect(m_shared.target->GetEventHandler().OnMouseMoved, this, &SpacebattleExample::OnMouseMoved);
//m_shared.target->SetCursor(Nz::WindowCursor_None);
//////////////////////////////////////////////////////////////////////////
Nz::TextSpriteRef introText = Nz::TextSprite::New();
introText->Update(Nz::SimpleTextDrawer::Draw("--Tourelle de défense du secteur A407M2--\nLes contrôles ont été adaptés à vos contrôleurs:\nZQSD pour orienter la tourelle, espace pour tirer.\n", 72));
introText->SetScale(0.5f);
m_introText = m_shared.world3D->CreateEntity();
Ndk::NodeComponent& introNode = m_introText->AddComponent<Ndk::NodeComponent>();
Ndk::GraphicsComponent& introGfx = m_introText->AddComponent<Ndk::GraphicsComponent>();
introGfx.Attach(introText, 1);
RegisterEntity(m_introText);
Ndk::NodeComponent& cannonNode = m_turret.cannonEntity->GetComponent<Ndk::NodeComponent>();
Nz::Boxf introAABB = introGfx.GetBoundingVolume().aabb;
introNode.SetPosition(cannonNode.GetForward() * 500.f + introNode.GetLeft() * introAABB.width / 2.f + introNode.GetUp() * introAABB.height / 2.f);
}
void SpacebattleExample::Leave(Ndk::StateMachine& fsm)
{
m_ambientMusic.Stop();
m_shared.world3D->RemoveSystem<LaserBeamSystem>();
m_shared.world3D->RemoveSystem<SpaceshipSystem>();
m_turretFireSound.Stop();
m_turretReloadSound.Stop();
ParticleDemo::Leave(fsm);
}
bool SpacebattleExample::Update(Ndk::StateMachine& fsm, float elapsedTime)
{
if (!ParticleDemo::Update(fsm, elapsedTime))
return false;
const float speed = 100.f;
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::Z))
m_turretCannonBaseRotation = std::max(m_turretCannonBaseRotation - speed * elapsedTime, -65.f);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::S))
m_turretCannonBaseRotation = std::min(m_turretCannonBaseRotation + speed * elapsedTime, 40.f);
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::Q))
m_turretBaseRotation += speed * elapsedTime;
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::D))
m_turretBaseRotation -= speed * elapsedTime;
m_turret.cannonBaseEntity->GetComponent<Ndk::NodeComponent>().SetRotation(Nz::EulerAnglesf(m_turretCannonBaseRotation, 0.f, 0.f));
m_turret.rotatingBaseEntity->GetComponent<Ndk::NodeComponent>().SetRotation(Nz::EulerAnglesf(0.f, m_turretBaseRotation, 0.f));
bool discharged = m_turretShootTimer < 1.f;
if (Nz::Keyboard::IsKeyPressed(Nz::Keyboard::Space) && !discharged)
{
m_turretFireSound.Play();
m_turretShootTimer = -1.f;
Ndk::NodeComponent& cannonNode = m_turret.cannonEntity->GetComponent<Ndk::NodeComponent>();
TorpedoParticle* particle = static_cast<TorpedoParticle*>(m_torpedoGroup->CreateParticle());
particle->color = Nz::Color::White;
particle->position = cannonNode.ToGlobalPosition(Nz::Vector3f::Forward() * 10.f);
particle->rotation = 0.f;
particle->life = 15.f;
particle->size.Set(13.34f, 7.41f);
particle->size *= 2.f;
particle->velocity = cannonNode.GetForward() * 100.f;
}
m_turretShootTimer += elapsedTime * 2.f;
if (discharged && m_turretShootTimer >= 1.f)
m_turretReloadSound.Play();
m_turret.cannonEntity->GetComponent<Ndk::NodeComponent>().SetPosition(Nz::Vector3f::Backward() * std::sin(std::min(m_turretShootTimer, 0.f) * float(M_PI)) * 3.f);
m_spaceshipSpawnCounter += elapsedTime;
if (m_spaceshipSpawnCounter >= 10.f)
{
m_spaceshipSpawnCounter -= 10.f;
auto& spacestationNode = m_spacestationEntity->GetComponent<Ndk::NodeComponent>();
Ndk::EntityHandle spaceship = m_spaceshipTemplate->Clone();
RegisterEntity(spaceship);
auto& nodeComponent = spaceship->GetComponent<Ndk::NodeComponent>();
auto& spaceshipComponent = spaceship->GetComponent<SpaceshipComponent>();
spaceshipComponent.targetPos = m_shared.viewer3D->GetComponent<Ndk::NodeComponent>().GetPosition();
nodeComponent.SetPosition(spacestationNode.GetPosition());
nodeComponent.SetRotation(Nz::Quaternionf::RotationBetween(Nz::Vector3f::Forward(), spacestationNode.GetRight()));
nodeComponent.Move(Nz::Vector3f::Forward() * 15.f + Nz::Vector3f::Down() * 5.f, Nz::CoordSys_Local);
}
m_introTimer -= elapsedTime;
if (m_introTimer <= 0.f && m_introText)
m_introText->Kill();
return true;
}
void SpacebattleExample::CreateSpaceShip()
{
m_spacestationEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_spacestationEntity);
Ndk::NodeComponent& spacestationNode = m_spacestationEntity->AddComponent<Ndk::NodeComponent>();
spacestationNode.SetPosition(Nz::Vector3f::Forward() * 500.f + Nz::Vector3f::Up() * 200.f + Nz::Vector3f::Right() * 250.f);
spacestationNode.SetRotation(Nz::EulerAnglesf(0.f, 15.f, 0.f));
spacestationNode.SetScale(0.1f);
Ndk::GraphicsComponent& spacestationGfx = m_spacestationEntity->AddComponent<Ndk::GraphicsComponent>();
spacestationGfx.Attach(&m_spacestationModel);
}
void SpacebattleExample::CreateTurret()
{
// Fixed base
m_turret.baseEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_turret.baseEntity);
Ndk::NodeComponent& baseNode = m_turret.baseEntity->AddComponent<Ndk::NodeComponent>();
//baseNode.SetParent(m_spacestationEntity);
baseNode.SetRotation(Nz::EulerAnglesf(0.f, 180.f, 0.f));
Ndk::GraphicsComponent& baseGfx = m_turret.baseEntity->AddComponent<Ndk::GraphicsComponent>();
baseGfx.Attach(&m_turret.baseModel);
// Rotating base
m_turret.rotatingBaseEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_turret.rotatingBaseEntity);
Ndk::NodeComponent& rotatingBaseNode = m_turret.rotatingBaseEntity->AddComponent<Ndk::NodeComponent>();
rotatingBaseNode.SetParent(m_turret.baseEntity);
Ndk::GraphicsComponent& rotatingBaseGfx = m_turret.rotatingBaseEntity->AddComponent<Ndk::GraphicsComponent>();
rotatingBaseGfx.Attach(&m_turret.rotatingBaseModel);
// Cannon base
m_turret.cannonBaseEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_turret.cannonBaseEntity);
Ndk::NodeComponent& cannonBaseNode = m_turret.cannonBaseEntity->AddComponent<Ndk::NodeComponent>();
cannonBaseNode.SetPosition({0.f, 3.39623547f, 0.f});
cannonBaseNode.SetParent(m_turret.rotatingBaseEntity);
Ndk::GraphicsComponent& cannonBaseGfx = m_turret.cannonBaseEntity->AddComponent<Ndk::GraphicsComponent>();
cannonBaseGfx.Attach(&m_turret.cannonBaseModel);
// Cannon anchor
m_turret.cannonAnchorEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_turret.cannonAnchorEntity);
Ndk::NodeComponent& cannonAnchorNode = m_turret.cannonAnchorEntity->AddComponent<Ndk::NodeComponent>();
cannonAnchorNode.SetPosition({0.f, 2.96482944f, 3.20705462f});
cannonAnchorNode.SetParent(m_turret.cannonBaseEntity);
// Cannon
m_turret.cannonEntity = m_shared.world3D->CreateEntity();
RegisterEntity(m_turret.cannonEntity);
Ndk::NodeComponent& cannonNode = m_turret.cannonEntity->AddComponent<Ndk::NodeComponent>();
cannonNode.SetParent(m_turret.cannonAnchorEntity);
cannonNode.SetRotation(Nz::EulerAnglesf(0.f, 180.f, 0.f));
Ndk::GraphicsComponent& cannonGfx = m_turret.cannonEntity->AddComponent<Ndk::GraphicsComponent>();
cannonGfx.Attach(&m_turret.cannonModel);
}
void SpacebattleExample::OnMouseMoved(const Nz::EventHandler* eventHandler, const Nz::WindowEvent::MouseMoveEvent& event)
{
const float speed = 0.1f;
m_turretCannonBaseRotation = Nz::Clamp(m_turretCannonBaseRotation + speed * event.deltaY, -65.f, 40.f);
m_turretBaseRotation -= event.deltaX * speed;
Nz::Mouse::SetPosition(m_shared.target->GetWidth() / 2, m_shared.target->GetHeight() / 2, *m_shared.target);
}

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#pragma once
#ifndef NAZARA_EXAMPLES_PARTICLES_SPACEBATTLE_HPP
#define NAZARA_EXAMPLES_PARTICLES_SPACEBATTLE_HPP
#include <Nazara/Audio/Music.hpp>
#include <Nazara/Audio/Sound.hpp>
#include <Nazara/Graphics/AbstractBackground.hpp>
#include <Nazara/Graphics/Model.hpp>
#include <Nazara/Graphics/ParticleStruct.hpp>
#include <Nazara/Graphics/SkyboxBackground.hpp>
#include <Nazara/Math/Vector2.hpp>
#include <Nazara/Utility/EventHandler.hpp>
#include <NDK/Entity.hpp>
#include <NDK/State.hpp>
#include <vector>
#include "Common.hpp"
class SpacebattleExample : public ParticleDemo
{
public:
SpacebattleExample(ExampleShared& sharedData);
~SpacebattleExample() = default;
void Enter(Ndk::StateMachine& fsm) override;
void Leave(Ndk::StateMachine& fsm) override;
bool Update(Ndk::StateMachine& fsm, float elapsedTime) override;
private:
void CreateSpaceShip();
void CreateTurret();
void OnMouseMoved(const Nz::EventHandler* eventHandler, const Nz::WindowEvent::MouseMoveEvent& event);
struct Turret
{
Nz::Model baseModel;
Nz::Model cannonModel;
Nz::Model cannonBaseModel;
Nz::Model rotatingBaseModel;
Ndk::EntityHandle baseEntity;
Ndk::EntityHandle cannonAnchorEntity;
Ndk::EntityHandle cannonEntity;
Ndk::EntityHandle cannonBaseEntity;
Ndk::EntityHandle rotatingBaseEntity;
};
Turret m_turret;
float m_introTimer;
float m_spaceshipSpawnCounter;
float m_turretBaseRotation;
float m_turretCannonBaseRotation;
float m_turretShootTimer;
Nz::Model m_spaceshipModel;
Nz::Model m_spacestationModel;
Nz::Music m_ambientMusic;
Nz::ParticleDeclarationRef m_torpedoDeclaration;
Nz::ParticleRendererRef m_laserBeamRenderer;
Nz::Sound m_turretFireSound;
Nz::Sound m_turretReloadSound;
Nz::SkyboxBackground m_skybox;
Ndk::EntityHandle m_introText;
Ndk::EntityHandle m_spaceshipTemplate;
Ndk::EntityHandle m_spacestationEntity;
Ndk::ParticleGroupComponentHandle m_fireGroup;
Ndk::ParticleGroupComponentHandle m_smokeGroup;
Ndk::ParticleGroupComponentHandle m_torpedoGroup;
NazaraSlot(Nz::EventHandler, OnMouseMoved, m_onMouseMoved);
};
#endif // NAZARA_EXAMPLES_PARTICLES_SPACEBATTLE_HPP

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EXAMPLE.Name = "Particles"
EXAMPLE.EnableConsole = true
EXAMPLE.Files = {
"*.hpp",
"*.inl",
"*.cpp"
}
EXAMPLE.Libraries = {
"NazaraSDK"
}

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examples/Particles/main.cpp Normal file
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#include <Nazara/Audio.hpp>
#include <Nazara/Core.hpp>
#include <Nazara/Graphics.hpp>
#include <Nazara/Lua.hpp>
#include <Nazara/Network.hpp>
#include <Nazara/Noise.hpp>
#include <Nazara/Physics3D.hpp>
#include <Nazara/Renderer.hpp>
#include <Nazara/Utility.hpp>
#include <NDK/Application.hpp>
#include <NDK/Components.hpp>
#include <NDK/Systems.hpp>
#include <NDK/StateMachine.hpp>
#include "LogoDemo.hpp"
#include "SpacebattleDemo.hpp"
#include <iostream>
int main()
{
Nz::ContextParameters::defaultCompatibilityProfile = true;
Ndk::Application app;
// Mix all sounds in mono (in order to give them 3D position)
Nz::SoundBufferParams soundParams;
soundParams.forceMono = true;
Nz::SoundBufferManager::SetDefaultParameters(soundParams);
// Pour commencer le mode vidéo, celui-ci va définir la taille de la zone de rendu et le nombre de bits par pixels
Nz::VideoMode mode = Nz::VideoMode::GetDesktopMode(); // Nous récupérons le mode vidéo du bureau
// Nous allons prendre les trois quarts de la résolution du bureau pour notre fenêtre
mode.width = 3 * mode.width / 4;
mode.height = 3 * mode.height / 4;
Nz::ContextParameters targetParams;
targetParams.antialiasingLevel = 0;
Nz::RenderWindow& window = app.AddWindow<Nz::RenderWindow>(mode, "Nazara demo - Particles", Nz::WindowStyle_Closable, targetParams);
//Nz::RenderWindow& window = app.AddWindow<Nz::RenderWindow>(Nz::VideoMode(1920, 1080), "Nazara demo - Particles", Nz::WindowStyle_Fullscreen, targetParams);
Ndk::World& world3D = app.AddWorld();
Ndk::World& world2D = app.AddWorld();
std::random_device randomDevice;
ExampleShared shared;
shared.randomGen.seed(randomDevice());
shared.target = &window;
shared.world2D = &world2D;
shared.world3D = &world3D;
shared.demoName = Nz::TextSprite::New();
shared.demoName->Update(Nz::SimpleTextDrawer::Draw("XX - DemoName", 48));
shared.fpsCount = Nz::TextSprite::New();
shared.fpsCount->Update(Nz::SimpleTextDrawer::Draw("XXXXX FPS", 24));
shared.particleCount = Nz::TextSprite::New();
shared.particleCount->Update(Nz::SimpleTextDrawer::Draw("XXXXX particles", 36));
world2D.GetSystem<Ndk::RenderSystem>().SetGlobalUp(Nz::Vector3f::Down());
world3D.GetSystem<Ndk::RenderSystem>().ChangeRenderTechnique<Nz::DeferredRenderTechnique>();
Ndk::EntityHandle viewEntity = world2D.CreateEntity();
viewEntity->AddComponent<Ndk::NodeComponent>();
Ndk::CameraComponent& viewer = viewEntity->AddComponent<Ndk::CameraComponent>();
viewer.SetTarget(&window);
viewer.SetProjectionType(Nz::ProjectionType_Orthogonal);
shared.viewer2D = viewEntity;
Ndk::EntityHandle cameraEntity = world3D.CreateEntity();
cameraEntity->AddComponent<Ndk::NodeComponent>();
cameraEntity->AddComponent<Ndk::ListenerComponent>();
Ndk::CameraComponent& camera = cameraEntity->AddComponent<Ndk::CameraComponent>();
camera.SetTarget(&window);
camera.SetZFar(10000.f);
shared.viewer3D = cameraEntity;
Ndk::EntityHandle demoNameEntity = world2D.CreateEntity();
Ndk::NodeComponent& demoNameNode = demoNameEntity->AddComponent<Ndk::NodeComponent>();
Ndk::GraphicsComponent& demoNameGfx = demoNameEntity->AddComponent<Ndk::GraphicsComponent>();
demoNameGfx.Attach(shared.demoName, 1);
Ndk::EntityHandle fpsCountEntity = world2D.CreateEntity();
Ndk::NodeComponent& fpsNode = fpsCountEntity->AddComponent<Ndk::NodeComponent>();
Ndk::GraphicsComponent& fpsGfx = fpsCountEntity->AddComponent<Ndk::GraphicsComponent>();
fpsGfx.Attach(shared.fpsCount, 1);
Ndk::EntityHandle particleCountEntity = world2D.CreateEntity();
Ndk::NodeComponent& particleCountNode = particleCountEntity->AddComponent<Ndk::NodeComponent>();
Ndk::GraphicsComponent& particleCountGfx = particleCountEntity->AddComponent<Ndk::GraphicsComponent>();
particleCountGfx.Attach(shared.particleCount, 1);
Nz::Boxf fpsCountBox = fpsGfx.GetBoundingVolume().aabb;
Nz::Boxf particleCountBox = particleCountGfx.GetBoundingVolume().aabb;
demoNameNode.SetPosition(5.f, 5.f);
particleCountNode.SetPosition(5.f, window.GetHeight() - particleCountBox.height - 5.f);
fpsNode.SetPosition(5.f, window.GetHeight() - fpsCountBox.height - particleCountBox.height - 5.f);
//shared.demos.push_back(std::make_shared<LogoExample>(shared));
shared.demos.push_back(std::make_shared<SpacebattleExample>(shared));
std::size_t demoIndex = 0;
Ndk::StateMachine stateMachine(shared.demos[demoIndex]);
window.EnableEventPolling(true);
while (app.Run())
{
Nz::WindowEvent event;
while (window.PollEvent(&event))
{
switch (event.type)
{
case Nz::WindowEventType_KeyPressed:
{
switch (event.key.code)
{
case Nz::Keyboard::Backspace:
stateMachine.ChangeState(stateMachine.GetCurrentState());
break;
case Nz::Keyboard::Escape:
app.Quit();
break;
case Nz::Keyboard::Left:
{
if (shared.demos.size() <= 1)
break;
if (demoIndex == 0)
demoIndex = shared.demos.size();
demoIndex--;
stateMachine.ChangeState(shared.demos[demoIndex]);
break;
}
case Nz::Keyboard::Right:
{
if (shared.demos.size() <= 1)
break;
demoIndex++;
if (demoIndex == shared.demos.size())
demoIndex = 0;
stateMachine.ChangeState(shared.demos[demoIndex]);
break;
}
case Nz::Keyboard::Pause:
{
auto& velocitySystem = shared.world3D->GetSystem<Ndk::VelocitySystem>();
velocitySystem.Enable(!velocitySystem.IsEnabled());
break;
}
case Nz::Keyboard::F5:
{
Nz::Image screenshot;
screenshot.Create(Nz::ImageType_2D, Nz::PixelFormatType_RGBA8, 1920, 1080);
window.CopyToImage(&screenshot);
static unsigned int counter = 1;
screenshot.SaveToFile("screenshot_" + Nz::String::Number(counter++) + ".png");
break;
}
default:
break;
}
break;
}
case Nz::WindowEventType_Quit:
window.Close();
break;
default:
break;
}
}
stateMachine.Update(app.GetUpdateTime());
window.Display();
}
return EXIT_SUCCESS;
}