MassConservation( value ) {

					fire.massConservation = value;

				}

				params.Single = function () {

					fire.clearSources();
					fire.addSource( 0.5, 0.1, 0.1, 1.0, 0.0, 1.0 );

				};

				params.Multiple = function () {

					fire.clearSources();
					fire.addSource( 0.45, 0.1, 0.1, 0.5, 0.0, 1.0 );
					fire.addSource( 0.55, 0.1, 0.1, 0.5, 0.0, 1.0 );

				};

				params.Text = function () {

					var text = "Three JS";
					var size = 180;
					var color = "#FF0040";
					var canvas = document