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
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 );
}
//-----------------------------------------------------------------------------------------------
float Generate2DNoise( float x, float y, float gridSize )
{
float INVERSE_GRID_SIZE = 1.0f / gridSize;
//Find location in grid space
float xWithRespectToGridSize = x * INVERSE_GRID_SIZE;
float yWithRespectToGridSize = y * INVERSE_GRID_SIZE;
int gridX = static_cast< int >( floor( xWithRespectToGridSize ) );
int gridY = static_cast< int >( floor( yWithRespectToGridSize ) );
float xInGrid = xWithRespectToGridSize - gridX;
float yInGrid = yWithRespectToGridSize - gridY;
//Smooth values
FloatVector2 gridPosition( SmoothStep( xInGrid ), SmoothStep( yInGrid ) );
//Create Random Gradients
FloatVector2 gradient00 = GeneratePseudoRandomUnitVectorAtPosition( gridX, gridY );
FloatVector2 gradientX0 = GeneratePseudoRandomUnitVectorAtPosition( gridX + 1, gridY );
FloatVector2 gradient0Y = GeneratePseudoRandomUnitVectorAtPosition( gridX, gridY + 1 );
FloatVector2 gradientXY = GeneratePseudoRandomUnitVectorAtPosition( gridX + 1, gridY + 1 );
FloatVector2 vectorToCorner00( gridPosition.x, gridPosition.y );
FloatVector2 vectorToCornerX0( gridPosition.x - 1.f, gridPosition.y );
FloatVector2 vectorToCorner0Y( gridPosition.x, gridPosition.y - 1.f );
FloatVector2 vectorToCornerXY( gridPosition.x - 1.f, gridPosition.y - 1.f );
//Dot Product
float influence00 = DotProduct( gradient00, vectorToCorner00 );
float influenceX0 = DotProduct( gradientX0, vectorToCornerX0 );
float influence0Y = DotProduct( gradient0Y, vectorToCorner0Y );
float influenceXY = DotProduct( gradientXY, vectorToCornerXY );
//Weighted Average
float influenceLowerSide = influence00 + gridPosition.x * ( influenceX0 - influence00 );
float influenceUpperSide = influence0Y + gridPosition.x * ( influenceXY - influence0Y );
float influenceCenter = influenceLowerSide + gridPosition.y * ( influenceUpperSide - influenceLowerSide );
assert( influenceCenter <= 1.f);
assert( influenceCenter >= -1.f);
return influenceCenter;
}
Segment::Segment(const gl::Vec2u& index)
: folder("resources/segments/" + std::to_string(index.x) + " " + std::to_string(index.y)),
baseImg(gl::Rectangle(gridPosition(index), GLfloat(World::scale)), gl::Texture(folder + "/base.png")),
topImg(gl::Rectangle(gridPosition(index), GLfloat(World::scale)), gl::Texture(folder + "/top.png")) {}