// Initialize OpenGL's rendering modes
void OpenGLInit(void)
{
glShadeModel( GL_FLAT );
glClearColor( 0.0, 0.0, 0.0, 0.0 );
glClearDepth( 1.0 );
glEnable( GL_DEPTH_TEST );
CreateParticles();
}
void* ParticleGroup::GenerateParticles(unsigned int count)
{
void* ptr = CreateParticles(count);
if (!ptr)
return nullptr;
ParticleMapper mapper(ptr, m_declaration);
for (ParticleGenerator* generator : m_generators)
generator->Generate(*this, mapper, 0, count - 1);
return ptr;
}
void M2EffectRender::CreateResources()
{
ExistParticle_ = Owner_->particleSystems != NULL;
ExistRibbon_ = Owner_->ribbons != NULL;
LoadShaders();
if (ExistParticle_)
CreateParticles();
if (ExistRibbon_)
CreateRibbons();
}
std::string ParticleEditor::DoEditor(SpritePtr pNextAppButton)
{
if (!m_manager)
CreateParticles();
const VideoPtr& video = m_provider->GetVideo();
video->SetCameraPos(Vector2(0,0));
video->SetBGColor(m_background);
if (m_backgroundSprite)
m_backgroundSprite->DrawShaped(Vector2(0,0), video->GetScreenSizeF(), gs2d::constant::WHITE, gs2d::constant::WHITE, gs2d::constant::WHITE, gs2d::constant::WHITE);
ParticlePanel();
DrawParticleSystem();
SetFileNameToTitle(video, WINDOW_TITLE);
return "particle";
}
void CParticleSystem::SetBufferData() {
if (m_pParticleSystem)
g_PhysxManager->GetActiveScene()->removeActor(*m_pParticleSystem);
if (!m_Emitter.m_useSkeleton) {
m_pParticleSystem = g_PhysxManager->CreateParticleSystem(m_numParticles);
}
m_particles.initialize(m_numParticles);
VEC3 offset = GetOffsetPosition();
PxVec3 pos = PxVec3(0, 0, 0);
for (int i = 0; i < m_numParticles; i++) {
m_particles.indexBuffer[i] = i;
m_particles.maxLifeTimeBuffer[i] = *m_Emitter.GetLifeTime() + random(*m_Emitter.GetLifeTimeRandomMin(), *m_Emitter.GetLifeTimeRandomMax()); //max time
pos = *m_Emitter.GetPosition() + PhysxConversion::Vec3ToPxVec3(offset);
m_particles.positionBuffer[i] = pos;
m_particles.velocityBuffer[i] = *m_Emitter.GetVelocity();
m_particles.negativeVelocityBuffer[i] = -*m_Emitter.GetVelocity();
m_particles.lifeTimeBuffer[i] = m_particles.maxLifeTimeBuffer[i];
dbg("Particle %d - max lifetime = %f\n", i, m_particles.lifeTimeBuffer[i]);
m_particles.positionInitBuffer[i] = pos;
m_particles.velocityInitBuffer[i] = m_initial_velocity;
m_particles.colorBuffer[i] = PhysxConversion::PxVec4ToVec4(*m_Emitter.GetColor());
m_particles.colorOriginBuffer[i] = m_particles.colorBuffer[i];
}
m_particles.speed_frame = frames_speed;
m_particles.numParticles = m_numParticles;
bool ret = true;
//m_pParticleValidity = (PxU32*)PX_ALLOC(((m_pParticleSystem->getMaxParticles() + 31) >> 5) << 2, "validParticleBitmap");
if (!m_Emitter.m_useSkeleton) {
m_pIndexPool = PxParticleExt::createIndexPool(m_numParticles);
m_pParticleValidity = std::vector<PxU32>(((m_pParticleSystem->getMaxParticles() + 31) >> 5) << 2).data();
ret = CreateParticles(m_particles);
}
// some unit tests of the macromesh code
int TestPICAccumulate(void)
{
MacroMesh m;
bool test=true;
int param[]={4, 4, 4, 1, 1, 1, 0};
field f;
init_empty_field(&f);
// test gmsh file reading
ReadMacroMesh(&(f.macromesh), "test/testmacromesh.msh");
BuildConnectivity(&(f.macromesh));
CheckMacroMesh(&(f.macromesh), param);
//PrintMacroMesh(&m);
PIC pic;
InitPIC(&pic,1);
CreateParticles(&pic,&(f.macromesh));
PlotParticles(&pic,&(f.macromesh));
f.model.m = 7; // num of conservative variables
/* f.model.NumFlux = Maxwell2DNumFlux; */
/* f.model.BoundaryFlux = Maxwell2DBoundaryFlux; */
f.model.InitData = Maxwell2DConstInitData;
/* f.model.ImposedData = Maxwell2DImposedData; */
f.varindex = GenericVarindex;
f.interp.interp_param[0] = f.model.m;
f.interp.interp_param[1] = 1; // x direction degree
f.interp.interp_param[2] = 1; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 1; // x direction refinement
f.interp.interp_param[5] = 1; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
Initfield(&f);
// place the particle at (0,1,0) and v=(1,0,0)
pic.xv[0]=0;
pic.xv[1]=0;
pic.xv[2]=0.5;
real xref[3];
pic.cell_id[0]=NumElemFromPoint(&f.macromesh,pic.xv,xref);
pic.xv[0]=xref[0];
pic.xv[1]=xref[1];
pic.xv[2]=xref[2];
pic.xv[3]=1;
pic.xv[4]=0;
pic.xv[5]=0;
PlotParticles(&pic,&(f.macromesh));
int ie=2;
int ipg=2;
int iv=4;
int imem=f.varindex(f.interp_param, ie, ipg, iv);
AccumulateParticles(&pic,&f);
printf("w=%f wex=%f\n",f.wn[imem],1/1.96);
test = test && (fabs(f.wn[imem]-1/1.96) < 1e-8);
Displayfield(&f);
return test;
}
void* ParticleGroup::CreateParticle()
{
return CreateParticles(1);
}
