コード例 #1
0
ファイル: Grid.cpp プロジェクト: cwmartin/gaffer
void Grid::hashObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
	if( path.size() == 2 )
	{
		SceneNode::hashObject( path, context, parent, h );
		h.append( path.back() );
		dimensionsPlug()->hash( h );
		if( path.back() == g_gridLinesName )
		{
			spacingPlug()->hash( h );
			gridColorPlug()->hash( h );
		}
		else if( path.back() == g_centerLinesName )
		{
			centerColorPlug()->hash( h );
		}
		else if( path.back() == g_borderLinesName )
		{
			borderColorPlug()->hash( h );
		}
	}
	else
	{
		h = outPlug()->objectPlug()->defaultValue()->hash();
	}
}
コード例 #2
0
ファイル: Grid.cpp プロジェクト: cwmartin/gaffer
IECore::ConstCompoundObjectPtr Grid::computeAttributes( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
	if( path.size() == 1 )
	{
		CompoundObjectPtr result = new CompoundObject;

		result->members()["gl:curvesPrimitive:useGLLines"] = new BoolData( true );
		result->members()["gl:smoothing:lines"] = new BoolData( true );

		ShaderPtr shader = new Shader( "Constant", "gl:surface" );
		shader->parameters()["Cs"] = new Color3fData( Color3f( 1 ) );
		result->members()["gl:surface"] = shader;

		return result;
	}
	else if( path.size() == 2 )
	{
		float pixelWidth = 1.0f;
		if( path.back() == g_gridLinesName )
		{
			pixelWidth = gridPixelWidthPlug()->getValue();
		}
		else if( path.back() == g_centerLinesName )
		{
			pixelWidth = centerPixelWidthPlug()->getValue();
		}
		else if( path.back() == g_borderLinesName )
		{
			pixelWidth = borderPixelWidthPlug()->getValue();
		}

		CompoundObjectPtr result = new CompoundObject;
		result->members()["gl:curvesPrimitive:glLineWidth"] = new FloatData( pixelWidth );

		return result;
	}
	return outPlug()->attributesPlug()->defaultValue();
}
コード例 #3
0
ファイル: Grid.cpp プロジェクト: cwmartin/gaffer
IECore::ConstObjectPtr Grid::computeObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
	if( path.size() == 2 )
	{
		IntVectorDataPtr vertsPerCurveData = new IntVectorData;
		vector<int> &vertsPerCurve = vertsPerCurveData->writable();

		V3fVectorDataPtr pData = new V3fVectorData;
		pData->setInterpretation( GeometricData::Point );
		vector<V3f> &p = pData->writable();

		bool periodic = false;
		Color3f cs( 1 );

		const V2f halfDimensions = dimensionsPlug()->getValue() / 2.0f;
		if( path.back() == g_gridLinesName )
		{
			const float spacing = spacingPlug()->getValue();
			const V2i n = V2f( halfDimensions / spacing ) - V2f( 0.01 );
			for( int d = 0; d < 2; ++d )
			{
				const int d0 = d;
				const int d1 = d == 0 ? 1 : 0;
				for( int i = -n[d]; i <= n[d]; ++i )
				{
					if( i == 0 )
					{
						continue;
					}
					vertsPerCurve.push_back( 2 );
					V3f e( 0 );
					e[d0] = i * spacing;
					e[d1] = -halfDimensions[d1];
					p.push_back( e );
					e[d1] = halfDimensions[d1];
					p.push_back( e );
				}
			}
			cs = gridColorPlug()->getValue();
		}
		else if( path.back() == g_centerLinesName )
		{
			vertsPerCurve.push_back( 2 );
			p.push_back( V3f( halfDimensions.x, 0, 0 ) );
			p.push_back( V3f( -halfDimensions.x, 0, 0 ) );
			vertsPerCurve.push_back( 2 );
			p.push_back( V3f( 0, halfDimensions.y, 0 ) );
			p.push_back( V3f( 0, -halfDimensions.y, 0 ) );
			cs = centerColorPlug()->getValue();
		}
		else if( path.back() == g_borderLinesName )
		{
			vertsPerCurve.push_back( 4 );
			p.push_back( V3f( -halfDimensions.x, -halfDimensions.y, 0 ) );
			p.push_back( V3f( halfDimensions.x, -halfDimensions.y, 0 ) );
			p.push_back( V3f( halfDimensions.x, halfDimensions.y, 0 ) );
			p.push_back( V3f( -halfDimensions.x, halfDimensions.y, 0 ) );
			periodic = true;
			cs = borderColorPlug()->getValue();
		}

		CurvesPrimitivePtr result = new CurvesPrimitive( vertsPerCurveData, CubicBasisf::linear(), periodic, pData );
		result->variables["Cs"] = PrimitiveVariable( PrimitiveVariable::Constant, new Color3fData( cs ) );
		return result;
	}
	return outPlug()->objectPlug()->defaultValue();
}