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Random drop filler automatic fill feature added

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This commit is contained in:
Paolo Cignoni cignoni 2010-01-28 21:33:28 +00:00
parent 5bafc1fe1d
commit 2bbd119cf6
2 changed files with 57 additions and 9 deletions
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64
src/fgt/filter_physics/RandomFillFilter.cpp
View File

@ -4,6 +4,9 @@
#include <vcg/complex/trimesh/inertia.h>
#include <sstream>
#include <cstdlib>
#include <ctime>
#include <cmath>
using namespace std;
using namespace vcg;
@ -19,11 +22,13 @@ void RandomFillFilter::initParameterSet(QAction* action,MeshDocument& md, RichPa
MeshSubFilter::initParameterSet(action, md, par);
par.addParam(new RichMesh("container", 0, &md, "Container mesh", "This mesh will act as a container for the filling mesh"));
par.addParam(new RichMesh("filler", 0, &md, "Filler mesh", "The container mesh will be filled with this mesh"));
par.addParam(new RichInt("fillCounter", 1, "Fill counter", "The number of object used to fill the container"));
//par.addParam(new RichInt("fillCounter", 1, "Fill counter", "The number of object used to fill the container"));
par.addParam(new RichBool("useRandomVertices", true, "Random spawn points", "If true the filling objects will spawn at random positions in the container mesh instead of being spawn at the center of mass"));
//par.addParam(new RichMesh("randomVertices", 0, &md, "Random vertices mesh", "The filling objects will be positioned at randomly generated vertices of this mesh"));
}
bool RandomFillFilter::applyFilter(QAction* filter, MeshDocument &md, RichParameterSet& par, vcg::CallBackPos* cb){
if(md.size() < 2 || par.getMesh("container") == 0 || par.getMesh("container") == par.getMesh("filler") || par.getInt("fillCounter") < 0 || par.getInt("fps") <= 0 || par.getInt("iterations") <= 0 || par.getInt("contacts") <= 0 || par.getFloat("bounciness") < 0.f || par.getFloat("bounciness") > 1.f)
if(md.size() < 2 || par.getMesh("container") == 0 || par.getMesh("container") == par.getMesh("filler") /*|| par.getInt("fillCounter") < 0*/ || par.getInt("fps") <= 0 || par.getInt("iterations") <= 0 || par.getInt("contacts") <= 0 || par.getFloat("bounciness") < 0.f || par.getFloat("bounciness") > 1.f)
return false;
if(cb != 0) (*cb)(0, "Physics renderization of the scene started...");
@ -40,18 +45,51 @@ bool RandomFillFilter::applyFilter(QAction* filter, MeshDocument &md, RichParame
m_engine.setBounciness(par.getFloat("bounciness"));
m_engine.registerTriMesh(*container, true);
tri::Inertia<CMeshO> inertia;
inertia.Compute(container->cm);
srand((unsigned)time(0));
for(int i = 0; i < par.getInt("fillCounter"); i++){
if(cb != 0) (*cb)(98.f*i/par.getInt("fillCounter"), "Computing...");
tri::Inertia<CMeshO> inertiaContainer, inertiaFiller;
inertiaContainer.Compute(par.getMesh("container")->cm);
inertiaFiller.Compute(par.getMesh("filler")->cm);
int objects = abs(inertiaContainer.Mass()/inertiaFiller.Mass())/2;
if(par.getBool("useRandomVertices")){
for(int i = 0; i < objects; i++){
if(cb != 0) (*cb)(50.f*i/objects, "Computing...");
addRandomObject(md, filler, getRandomOrigin(par), i);
m_engine.registerTriMesh(*md.getMesh(fillOffset++));
}
addRandomObject(md, filler, inertia.CenterOfMass(), i);
m_engine.registerTriMesh(*md.getMesh(fillOffset++));
for(int j = 0; j < par.getInt("fps"); j++){
m_engine.integrate(1.0f / par.getInt("fps"));
if(cb != 0) (*cb)(50 + 48.f*j/par.getInt("fps"), "Computing...");
m_engine.integrate(1.0f/par.getInt("fps"));
}
}else{
for(int i = 0; i < objects; i++){
if(cb != 0) (*cb)(98.f*i/objects, "Computing...");
addRandomObject(md, filler, inertiaContainer.CenterOfMass(), i);
m_engine.registerTriMesh(*md.getMesh(fillOffset++));
for(int j = 0; j < par.getInt("fps")/2; j++)
m_engine.integrate(1.0f/par.getInt("fps"));
}
}
/*for(int i = 0; i < objects; i++){
if(cb != 0) (*cb)(50.f*i/objects, "Computing...");
if(par.getBool("useRandomVertices"))
addRandomObject(md, filler, getRandomOrigin(par), i);
else
addRandomObject(md, filler, inertiaContainer.CenterOfMass(), i);
m_engine.registerTriMesh(*md.getMesh(fillOffset++));
}
for(int j = 0; j < par.getInt("fps"); j++){
if(cb != 0) (*cb)(50 + 48.f*j/par.getInt("fps"), "Computing...");
m_engine.integrate(1.0f / par.getInt("fps"));
}*/
m_engine.updateTransform();
if(cb != 0) (*cb)(0, "Physics renderization of the scene completed...");
@ -59,6 +97,14 @@ bool RandomFillFilter::applyFilter(QAction* filter, MeshDocument &md, RichParame
return true;
}
vcg::Point3<float> RandomFillFilter::getRandomOrigin(RichParameterSet& par){
//int randomVertex = static_cast<float>(rand())/RAND_MAX*(par.getMesh("randomVertices")->cm.vert.size() - 1);
//return par.getMesh("randomVertices")->cm.vert[randomVertex].P();
int randomFace = static_cast<float>(rand())/RAND_MAX*(par.getMesh("container")->cm.face.size() - 1);
CFaceO& face = par.getMesh("container")->cm.face[randomFace];
return face.P(0) + (face.N() * par.getMesh("filler")->cm.bbox.Diag());
}
void RandomFillFilter::addRandomObject(MeshDocument& md, MeshModel* filler, const vcg::Point3<float>& origin, int meshID){
ostringstream meshName;
meshName << "randomMesh" << meshID;

2
src/fgt/filter_physics/RandomFillFilter.h
View File

@ -17,6 +17,8 @@ protected:
virtual void addRandomObject(MeshDocument& md, MeshModel* filler, const vcg::Point3<float>& origin, int meshID);
private:
vcg::Point3<float> getRandomOrigin(RichParameterSet& par);
int m_dropRate;
ODEFacade m_engine;