void
UiSettings::loadSettings()
{
QSettings s( "CS224", "snow" );
windowPosition() = s.value( "windowPosition", QPoint(0,0) ).toPoint();
windowSize() = s.value( "windowSize", QSize(1000,800) ).toSize();
fillNumParticles() = s.value( "fillNumParticles", 512*128 ).toInt();
fillResolution() = s.value( "fillResolution", 0.05f ).toFloat();
fillDensity() = s.value( "fillDensity", 150.f ).toFloat();
exportDensity() = s.value("exportDensity", false).toBool();
exportVelocity() = s.value("exportVelocity", false).toBool();
exportFPS() = s.value("exportFPS", 24).toInt();
maxTime() = s.value("maxTime", 3).toFloat();
gridPosition() = vec3( s.value("gridPositionX", 0.f).toFloat(),
s.value("gridPositionY", 0.f).toFloat(),
s.value("gridPositionZ", 0.f).toFloat() );
gridDimensions() = glm::ivec3( s.value("gridDimensionX", 128).toInt(),
s.value("gridDimensionY", 128).toInt(),
s.value("gridDimensionZ", 128).toInt() );
gridResolution() = s.value( "gridResolution", 0.05f ).toFloat();
timeStep() = s.value( "timeStep", 1e-5 ).toFloat();
implicit() = s.value( "implicit", true ).toBool();
materialPreset() = s.value( "materialPreset", MAT_DEFAULT).toInt();
showContainers() = s.value( "showContainers", true ).toBool();
showContainersMode() = s.value( "showContainersMode", WIREFRAME ).toInt();
showColliders() = s.value( "showColliders", true ).toBool();
showCollidersMode() = s.value( "showCollidersMode", SOLID ).toInt();
showGrid() = s.value( "showGrid", false ).toBool();
showGridMode() = s.value( "showGridMode", MIN_FACE_CELLS ).toInt();
showGridData() = s.value( "showGridData", false ).toBool();
showGridDataMode() = s.value( "showGridDataMode", NODE_DENSITY ).toInt();
showParticles() = s.value( "showParticles", true ).toBool();
showParticlesMode() = s.value( "showParticlesMode", PARTICLE_MASS ).toInt();
selectionColor() = glm::vec4( 0.302f, 0.773f, 0.839f, 1.f );
}
void
UiSettings::saveSettings()
{
QSettings s( "CS224", "snow" );
s.setValue( "windowPosition", windowPosition() );
s.setValue( "windowSize", windowSize() );
s.setValue( "fillNumParticles", fillNumParticles() );
s.setValue( "fillResolution", fillResolution() );
s.setValue( "fillDensity", fillDensity() );
s.setValue("exportDensity", exportDensity());
s.setValue("exportVelocity",exportVelocity());
s.setValue( "exportFPS", exportFPS());
s.setValue( "maxTime", maxTime());
s.setValue( "gridPositionX", gridPosition().x );
s.setValue( "gridPositionY", gridPosition().y );
s.setValue( "gridPositionZ", gridPosition().z );
s.setValue( "gridDimensionX", gridDimensions().x );
s.setValue( "gridDimensionY", gridDimensions().y );
s.setValue( "gridDimensionZ", gridDimensions().z );
s.setValue( "gridResolution", gridResolution() );
s.setValue( "timeStep", timeStep() );
s.setValue( "implicit", implicit() );
s.setValue("materialPreset", materialPreset());
s.setValue( "showContainers", showContainers() );
s.setValue( "showContainersMode", showContainersMode() );
s.setValue( "showColliders", showColliders() );
s.setValue( "showCollidersMode", showCollidersMode() );
s.setValue( "showGrid", showGrid() );
s.setValue( "showGridMode", showGridMode() );
s.setValue( "showGridData", showGridData() );
s.setValue( "showGridDataMode", showGridDataMode() );
s.setValue( "showParticles", showParticles() );
s.setValue( "showParticlesMode", showParticlesMode() );
}
void GridExporter::write()
{
// m_writeMutex.lock();
m_writingFile = true;
int numCells = m_grid->getNumberOfGridCells();
int sizeX = m_grid->getGridSizeX();
int sizeY = m_grid->getGridSizeY();
int sizeZ = m_grid->getGridSizeZ();
float* density = m_grid->getDensityArray();
float* velx = m_grid->getVelocityXArray();
float* vely = m_grid->getVelocityYArray();
float* velz = m_grid->getVelocityZArray();
float dx = m_grid->getVoxelSize();
exportDensity(m_filenameCounter, m_filenamePrefix, density, velx, vely, velz, sizeX, sizeY, sizeZ, dx);
m_filenameCounter++;
m_writingFile = false;
// m_writeMutex.unlock();
}
void renderFunc() {
glDepthMask(GL_TRUE);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
int gridSizeX = fsolver->getGridSizeX(),
gridSizeY = fsolver->getGridSizeY(),
gridSizeZ = fsolver->getGridSizeZ();
Float dx = fsolver->getVoxelSize();
const vector<Density> &density = fsolver->getDensity();
const Vector &curlMagnitude = fsolver->getCurlMagnitude();
const bool *solid = fsolver->getSolid();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,-distZ,0,0,0,0,-1,0);
glRotated(angleY, 1, 0, 0);
glRotated(angleX, 0, 1, 0);
glTranslatef(-gridSizeX/2.0f, -gridSizeY/2.0f, -gridSizeZ/2.0f);
glCullFace(GL_NONE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
glBegin(GL_QUADS);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glVertex3i(0, 0, 0);
glVertex3i(0, gridSizeY, 0);
glVertex3i(gridSizeX, gridSizeY, 0);
glVertex3i(gridSizeX, 0, 0);
glVertex3i(0, 0, gridSizeZ);
glVertex3i(0, gridSizeY, gridSizeZ);
glVertex3i(gridSizeX, gridSizeY, gridSizeZ);
glVertex3i(gridSizeX, 0, gridSizeZ);
glVertex3i(0, 0, 0);
glVertex3i(0, 0, gridSizeZ);
glVertex3i(0, gridSizeY, gridSizeZ);
glVertex3i(0, gridSizeY, 0);
glVertex3i(gridSizeX, 0, 0);
glVertex3i(gridSizeX, 0, gridSizeZ);
glVertex3i(gridSizeX, gridSizeY, gridSizeZ);
glVertex3i(gridSizeX, gridSizeY, 0);
glVertex3i(0, 0, 0);
glVertex3i(0, 0, gridSizeZ);
glVertex3i(gridSizeX, 0, gridSizeZ);
glVertex3i(gridSizeX, 0, 0);
glVertex3i(0, gridSizeY, 0);
glVertex3i(0, gridSizeY, gridSizeZ);
glVertex3i(gridSizeX, gridSizeY, gridSizeZ);
glVertex3i(gridSizeX, gridSizeY, 0);
glEnd();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glBegin(GL_QUADS);
glColor4f(.5f, .5f, 1.0f, 1.0f);
for (int z=0, pos = 0; z<gridSizeZ; ++z) {
for (int y=0; y<gridSizeY; ++y) {
for (int x=0; x<gridSizeX; ++x, ++pos) {
if (!solid[pos])
continue;
glVertex3i(x, y, z);
glVertex3i(x, y+1, z);
glVertex3i(x+1, y+1, z);
glVertex3i(x+1, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x, y+1, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y, z+1);
glVertex3i(x, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x, y+1, z+1);
glVertex3i(x, y+1, z);
glVertex3i(x+1, y, z);
glVertex3i(x+1, y, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y+1, z);
glVertex3i(x, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x+1, y, z+1);
glVertex3i(x+1, y, z);
glVertex3i(x, y+1, z);
glVertex3i(x, y+1, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y+1, z);
}
}
}
glEnd();
glDepthMask(GL_FALSE);
glBegin(GL_QUADS);
for (int z=0, pos = 0; z<gridSizeZ; ++z) {
for (int y=0; y<gridSizeY; ++y) {
for (int x=0; x<gridSizeX; ++x, ++pos) {
if (solid[pos])
continue;
if (displayMode == 0) {
Float f = .5f * density[pos].density;
glColor4f(1.0f, 1.0f, 1.0f, f);
} else {
Float f = .01f * curlMagnitude[pos];
glColor4f(0.0f, 0.0f, 1.0f, f);
}
glVertex3i(x, y, z);
glVertex3i(x, y+1, z);
glVertex3i(x+1, y+1, z);
glVertex3i(x+1, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x, y+1, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y, z+1);
glVertex3i(x, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x, y+1, z+1);
glVertex3i(x, y+1, z);
glVertex3i(x+1, y, z);
glVertex3i(x+1, y, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y+1, z);
glVertex3i(x, y, z);
glVertex3i(x, y, z+1);
glVertex3i(x+1, y, z+1);
glVertex3i(x+1, y, z);
glVertex3i(x, y+1, z);
glVertex3i(x, y+1, z+1);
glVertex3i(x+1, y+1, z+1);
glVertex3i(x+1, y+1, z);
}
}
}
glEnd();
if (displayVelocities > 0) {
glDisable(GL_BLEND);
glBegin(GL_LINES);
glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
for (int z=0, pos=0; z<gridSizeZ; ++z) {
for (int y=0; y<gridSizeY; ++y) {
for (int x=0; x<gridSizeX; ++x, ++pos) {
if ((x%2) != 0 || (y%2) != 0 || (z%2) != 0)
continue;
Vector3 velocity;
if (displayVelocities == 1)
velocity = fsolver->getVelocity(Point3((x+.5f)*dx, (y+.5f)*dx, (z+.5f)*dx));
else if (displayVelocities == 2)
velocity = fsolver->getForce(Point3((x+.5f)*dx, (y+.5f)*dx, (z+.5f)*dx));
velocity /= dx;
glVertex3f(x+.5f, y+.5f, z+.5f);
glVertex3f(x+.5f+velocity.x, y+.5f+velocity.y, z+.5f+velocity.z);
}
}
}
glEnd();
}
glutSwapBuffers();
if (running) {
fsolver->step(0.1f);
exportDensity(frameCounter);
screenshot(frameCounter++);
glutPostRedisplay();
}
}
