Particles working, still need some more variables implanted though

This commit is contained in:
tleety
2015-10-02 16:35:21 +02:00
parent 52dec86925
commit 773c6665bd
4 changed files with 111 additions and 70 deletions
+41 -40
View File
@@ -207,61 +207,62 @@ public:
m_World->CommitEntity(background);
}
//ParticleTest
// {
// auto Pe = m_World->CreateEntity();
// auto transform = m_World->AddComponent<Components::Transform>(Pe);
// auto particleEmitter= m_World->AddComponent<Components::ParticleEmitter>(Pe);
//
// transform->Position = glm::vec3(0.f, -5.f, -10.f);
// particleEmitter->GravityScale = 0.0f;
// particleEmitter->SpawnRate = 1.0f;
//
// {
// auto Pt = m_World->CreateEntity(Pe);
// auto PtTransform = m_World->AddComponent<Components::Transform>(Pt);
// auto PtSprite = m_World->AddComponent<Components::Sprite>(Pt);
// //auto PtModel = m_World->AddComponent<Components::Model>(Pt);
// auto PtParticle = m_World->AddComponent<Components::Particle>(Pt);
// auto PtTemplate = m_World->AddComponent<Components::Template>(Pt);
//
// PtTransform->Velocity = glm::vec3(1.0f, 0.f, 0.f);
// PtTransform->Position = transform->Position;
// PtSprite->SpriteFile = "Textures/Ball.png";
//
// //PtModel->ModelFile = "Models/Brick/Brick.obj";
// PtParticle->LifeTime = 1000.f;
// PtParticle->Flags = ParticleFlags::Type::powderParticle;
// }
// m_World->CommitEntity(Pe);
// }
// {
// auto Pt = m_World->CreateEntity();
// auto PtTransform = m_World->AddComponent<Components::Transform>(Pt);
// auto PtSprite = m_World->AddComponent<Components::Sprite>(Pt);
//
// PtTransform->Position = glm::vec3(2.f, 0.f, -10.f);
// PtSprite->SpriteFile = "Textures/Ball.png";
// }
//Water test
{
auto t_waterBody = m_World->CreateEntity();
auto transform = m_World->AddComponent<Components::Transform>(t_waterBody);
transform->Position = glm::vec3(0.f, -5.5f, -10.f);
transform->Scale = glm::vec3(7.f, 1.5f, 1.f);
transform->Scale = glm::vec3(0.2f, 0.2f, 1.f);
auto water = m_World->AddComponent<Components::WaterVolume>(t_waterBody);
auto body = m_World->AddComponent<Components::RectangleShape>(t_waterBody);
m_World->CommitEntity(t_waterBody);
}
//ParticleTest
{
auto Pe = m_World->CreateEntity();
auto transform = m_World->AddComponent<Components::Transform>(Pe);
auto particleEmitter= m_World->AddComponent<Components::ParticleEmitter>(Pe);
transform->Position = glm::vec3(0.f, -5.f, -10.f);
particleEmitter->GravityScale = 0.0f;
particleEmitter->SpawnRate = 1.0f;
particleEmitter->NumberOfTicks = 3.f;
{
auto Pt = m_World->CreateEntity(Pe);
auto PtTransform = m_World->AddComponent<Components::Transform>(Pt);
auto PtSprite = m_World->AddComponent<Components::Sprite>(Pt);
auto PtParticle = m_World->AddComponent<Components::Particle>(Pt);
auto PtTemplate = m_World->AddComponent<Components::Template>(Pt);
PtTransform->Velocity = glm::vec3(1.0f, 0.f, 0.f);
PtTransform->Position = transform->Position;
PtSprite->SpriteFile = "Textures/Test/Water.png";
PtParticle->LifeTime = 5.f;
PtParticle->Flags = ParticleFlags::Type::powderParticle;
}
m_World->CommitEntity(Pe);
}
{
auto Pt = m_World->CreateEntity();
auto PtTransform = m_World->AddComponent<Components::Transform>(Pt);
auto PtSprite = m_World->AddComponent<Components::Sprite>(Pt);
auto PtParticle = m_World->AddComponent<Components::Particle>(Pt);
PtTransform->Velocity = glm::vec3(1.0f, 0.f, 0.f);
PtTransform->Position = glm::vec3(0.f, 0.f, -10.f);
PtSprite->SpriteFile = "Textures/Ball.png";
//PtModel->ModelFile = "Models/Brick/Brick.obj";
}
//TODO: Why does the ball not collide with these bricks?
//BottomBox
{
auto topWall = m_World->CreateEntity();
auto transform = m_World->AddComponent<Components::Transform>(topWall);
transform->Position = glm::vec3(0.f, -6.f, -9.9f);
transform->Position = glm::vec3(0.f, -7.f, -9.9f);
transform->Scale = glm::vec3(10.f, 0.5f, 1.f);
std::shared_ptr<Components::Sprite> sprite = m_World->AddComponent<Components::Sprite>(topWall);
sprite->SpriteFile = "Textures/Core/ErrorTexture.png";
+2 -1
View File
@@ -9,10 +9,11 @@ namespace Components
struct ParticleEmitter : public Component
{
int Amount = 10.f;
int NumberOfTicks = 10.f;
float InitialSpeed = 1.f;
double SpawnRate = 1.f;
double TimeSinceLastSpawn = 0;
int MaxCount = 0;
//ParticleSystem variables
float GravityScale = 1.0f;
+5 -2
View File
@@ -70,13 +70,16 @@ private:
void CreateBody(EntityID entity);
std::vector<b2ParticleSystem*> m_ParticleSystem;
b2ParticleSystem* m_WaterParticleSystem;
std::vector<b2ParticleGroup*> t_ParticleGroup;
std::unordered_map<EntityID, const b2ParticleHandle*> m_EntitiesToWaterParticleHandle;
std::unordered_map<const b2ParticleHandle*, EntityID> m_WaterParticleHandleToEntities;
std::vector<std::unordered_map<EntityID, const b2ParticleHandle*>> m_EntitiesToParticleHandle;
std::vector<std::unordered_map<const b2ParticleHandle*, EntityID>> m_ParticleHandleToEntities;
b2ParticleSystem* CreateParticleSystem(float radius, float gravityScale);
b2ParticleSystem* CreateParticleSystem(float radius, float gravityScale, int maxCount);
void InitializeWater();
void CreateParticleGroup(EntityID entity);
void CreateParticleEmitter(EntityID entity);
+63 -27
View File
@@ -31,7 +31,14 @@ void dd::Systems::PhysicsSystem::InitializeWater()
{
float radius = 0.13f;
float gravityScale = 1.0f;
CreateParticleSystem(radius, gravityScale);
b2ParticleSystemDef m_ParticleSystemDef;
m_ParticleSystemDef.radius = radius;
m_ParticleSystemDef.gravityScale = gravityScale;
m_WaterParticleSystem = m_PhysicsWorld->CreateParticleSystem(&m_ParticleSystemDef);
}
bool dd::Systems::PhysicsSystem::SetImpulse(const Events::SetImpulse &event)
@@ -77,7 +84,6 @@ void dd::Systems::PhysicsSystem::Update(double dt) {
LOG_ERROR("RigidBody with no PhysicsComponent");
}
if (body == nullptr) {
LOG_ERROR("This body should not exist");
continue;
@@ -146,8 +152,32 @@ void dd::Systems::PhysicsSystem::Update(double dt) {
}
}
//water
b2Vec2 *positionBuffer = m_WaterParticleSystem->GetPositionBuffer();
for (auto i : m_EntitiesToWaterParticleHandle){
EntityID entity = i.first;
b2ParticleHandle *particleH = i.second;
b2Vec2 positionB2 = positionBuffer[particleH->GetIndex()];
glm::vec2 position = glm::vec2(positionB2.x, positionB2.y);
EntityID entityParent = m_World->GetEntityParent(entity);
glm::vec3 parentTransform = glm::vec3(0.f);
if(entityParent) {
auto tp = m_World->GetComponent<Components::Transform>(entityParent);
parentTransform = tp->Position;
}
auto transform = m_World->GetComponent<Components::Transform>(entity);
transform->Position = glm::vec3(position.x, position.y, -10);
}
//Normal particles
for ( int e = 0; e < m_EntitiesToParticleHandle.size(); e++) {
b2Vec2 *positionBuffer = m_ParticleSystem[e]->GetPositionBuffer();
b2Vec2 *positionBuffer = m_ParticleEmitters.ParticleSystem[e]->GetPositionBuffer();
for (auto i : m_EntitiesToParticleHandle[e]){
EntityID entity = i.first;
b2ParticleHandle *particleH = i.second;
@@ -163,8 +193,7 @@ void dd::Systems::PhysicsSystem::Update(double dt) {
}
auto transform = m_World->GetComponent<Components::Transform>(entity);
transform->Position = glm::vec3(position.x, position.y, -10) - parentTransform;
transform->Position = glm::vec3(position.x, position.y, -10);
}
}
@@ -280,7 +309,7 @@ void dd::Systems::PhysicsSystem::CreateBody(EntityID entity)
if(physicsComponent->Static) {
body->CreateFixture(&fixtureDef); //Density kanske ska vara 0 på statiska kroppar
body->CreateFixture(&fixtureDef); //Density kanske ska vara 0 p statiska kroppar
}
else {
fixtureDef.shape = pShape;
@@ -314,19 +343,19 @@ void dd::Systems::PhysicsSystem::CreateParticleGroup(EntityID e)
pd.shape = &shape;
pd.flags = b2_tensileParticle;
pd.position.Set(transform->Position.x, transform->Position.y);
t_ParticleGroup.push_back(m_ParticleSystem[0]->CreateParticleGroup(pd));
b2Vec2* t_ParticlePositions = m_ParticleSystem[0]->GetPositionBuffer();
for(int i = 0; i < m_ParticleSystem[0]->GetParticleCount(); i++){
t_ParticleGroup.push_back(m_WaterParticleSystem->CreateParticleGroup(pd));
b2Vec2* t_ParticlePositions = m_WaterParticleSystem->GetPositionBuffer();
for(int i = 0; i < m_WaterParticleSystem->GetParticleCount(); i++){
{
auto t_waterparticle = m_World->CreateEntity(e);
auto transformChild = m_World->AddComponent<Components::Transform>(t_waterparticle);
transformChild->Position = glm::vec3(t_ParticlePositions[i].x - transform->Position.x, t_ParticlePositions[i].y - transform->Position.y, -9.5f);
transformChild->Scale = glm::vec3(m_ParticleSystem[0]->GetRadius())/transform->Scale;
transformChild->Scale = glm::vec3(m_WaterParticleSystem->GetRadius())/transform->Scale;
m_World->CommitEntity(t_waterparticle);
m_EntitiesToParticleHandle[0].insert(std::make_pair(t_waterparticle, m_ParticleSystem[0]->GetParticleHandleFromIndex(i)));
m_ParticleHandleToEntities[0].insert(std::make_pair( m_ParticleSystem[0]->GetParticleHandleFromIndex(i), t_waterparticle));
m_EntitiesToWaterParticleHandle.insert(std::make_pair(t_waterparticle, m_WaterParticleSystem->GetParticleHandleFromIndex(i)));
m_WaterParticleHandleToEntities.insert(std::make_pair(m_WaterParticleSystem->GetParticleHandleFromIndex(i), t_waterparticle));
}
}
@@ -336,6 +365,7 @@ void dd::Systems::PhysicsSystem::CreateParticleGroup(EntityID e)
void dd::Systems::PhysicsSystem::UpdateParticleEmitters(double dt)
{
//TODO: ParticleEmitters system are more than one? Wtf?
for (int i = 0; i < m_ParticleEmitters.ParticleSystem.size(); i++) {
auto e = m_ParticleEmitters.ParticleEmitter[i];
auto pt = m_ParticleEmitters.ParticleTemplate[i];
@@ -344,10 +374,21 @@ void dd::Systems::PhysicsSystem::UpdateParticleEmitters(double dt)
auto emitter = m_World->GetComponent<Components::ParticleEmitter>(e);
auto particleTemplate = m_World->GetComponent<Components::Particle>(pt);
emitter->TimeSinceLastSpawn += dt;
if(emitter->TimeSinceLastSpawn < emitter->SpawnRate) {
if(!emitter) {
LOG_INFO("ParticleEmitter Component is nil");
continue;
}
if(!particleTemplate) {
LOG_INFO("ParticleTemplate Component is nil.");
continue;
}
emitter->TimeSinceLastSpawn += dt;
if(emitter->TimeSinceLastSpawn < emitter->SpawnRate || emitter->NumberOfTicks < 1) {
continue;
}
emitter->NumberOfTicks--;
emitter->TimeSinceLastSpawn -= emitter->SpawnRate;
auto templateTransform = m_World->GetComponent<Components::Transform>(pt);
@@ -358,21 +399,16 @@ void dd::Systems::PhysicsSystem::UpdateParticleEmitters(double dt)
particleDef.velocity = b2Vec2(templateTransform->Velocity.x, templateTransform->Velocity.y);
particleDef.position = b2Vec2(templateTransform->Position.x, templateTransform->Position.y);
auto particle = m_World->CloneEntity(pt, 0);
m_World->RemoveComponent<Components::Template>(particle);
auto transform = m_World->GetComponent<Components::Transform>(particle);
transform->Scale = glm::vec3 (particleTemplate->Radius * 2.f, particleTemplate->Radius * 2.f, 1);
auto b2Particle = ps->CreateParticle(particleDef);
auto b2ParticleHandle = ps->GetParticleHandleFromIndex(b2Particle);
m_EntitiesToParticleHandle[i].insert(std::make_pair(particle, b2ParticleHandle));
m_ParticleHandleToEntities[i].insert(std::make_pair(b2ParticleHandle, particle));
//TODO: Ta bort detta
int particles = 0;
for (auto i : m_EntitiesToParticleHandle)
{
particles += i.size();
}
LOG_INFO("--I have %i particles.", particles);
}
}
@@ -406,13 +442,14 @@ void dd::Systems::PhysicsSystem::CreateParticleEmitter(EntityID entity)
pf++;
}
//TODO: Skicka med fler flaggor till particlesystemet;
m_ParticleEmitters.ParticleSystem.push_back(CreateParticleSystem(particle->Radius, 0.f));
m_ParticleEmitters.ParticleSystem.push_back(CreateParticleSystem(particle->Radius, 0.f, 0));
m_ParticleEmitters.ParticleEmitter.push_back(entity);
m_ParticleEmitters.ParticleTemplate.push_back(childEntity);
}
b2ParticleSystem* dd::Systems::PhysicsSystem::CreateParticleSystem(float radius, float gravityScale)
b2ParticleSystem* dd::Systems::PhysicsSystem::CreateParticleSystem(float radius, float gravityScale, int maxCount)
{
std::unordered_map<EntityID, const b2ParticleHandle*> m1;
std::unordered_map<const b2ParticleHandle*, EntityID> m2;
@@ -420,12 +457,11 @@ b2ParticleSystem* dd::Systems::PhysicsSystem::CreateParticleSystem(float radius,
m_ParticleHandleToEntities.push_back(m2);
b2ParticleSystemDef m_ParticleSystemDef;
m_ParticleSystemDef.maxCount = maxCount;
m_ParticleSystemDef.radius = radius;
m_ParticleSystemDef.gravityScale = gravityScale;
m_ParticleSystem.push_back(m_PhysicsWorld->CreateParticleSystem(&m_ParticleSystemDef));
return m_ParticleSystem.back();
return m_PhysicsWorld->CreateParticleSystem(&m_ParticleSystemDef);
}
dd::Systems::PhysicsSystem::~PhysicsSystem()