Pixel-Composer/scripts/fd_rectangle_draw/fd_rectangle_draw.gml

/// fd_rectangle_draw(instance id, x, y, xscale, yscale, color, alpha, use interpolation)
function fd_rectangle_draw(domain, _x, _y, xscale, yscale, color, alpha, interpolate) {
	// Draws the fluid dynamics rectangle.
	// instance id: The instance id of the fluid dynamics rectangle.
	// x, y: The pixel position to draw at.
	// xscale, yscale: The scale to draw at.
	// color: The image blending color, the same as color in draw_surface_ext_safe.
	// alpha: The alpha to draw at, the same as alpha in draw_surface_ext_safe.
	// use interpolation: Set this to true if you want linear interpolation to be enabled, and false if you want nearest neighbor to be used instead.

	fd_rectangle_draw_part(domain, 0, 0, domain.sf_material_width, domain.sf_material_height, _x, _y, xscale, yscale, color, alpha, interpolate);
}