Method generate

src/cinder/Path2d.cpp:678–684

		}

		std::pair<vec2, vec2> generate( const Point &previous ) const
		{
			const auto offset = 4 * math<float>::tan( ( theta - previous.theta ) / 4 ) / 3;
			const auto p1 = vec2( math<float>::cos( previous.tangent ) * offset * previous.theta + previous.x, math<float>::sin( previous.tangent ) * offset * previous.theta + previous.y );
			const auto p2 = vec2( math<float>::cos( tangent - float( M_PI ) ) * offset * theta + x, math<float>::sin( tangent - float( M_PI ) ) * offset * theta + y );
			return std::make_pair( p1, p2 );
		}
	};

	const auto step = spacing / ( 2.0f * float( M_PI ) );