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Particles working, still need some more variables implanted though

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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
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src/game/Physics/PhysicsSystem.cpp
+63 -27
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@@ -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()