quad() Shape 2D Primitives Web & Application quad_.gif quad(38, 31, 86, 20, 69, 63, 30, 76); A quad is a quadrilateral, a four sided polygon. It is similar to a rectangle, but the angles between its edges are not constrained to ninety degrees. quad(x1, y1, x2, y2, x3, y3, x4, y4); x1 int or float: x-coordinate of the first corner y1 int or float: y-coordinate of the first corner x2 int or float: x-coordinate of the second corner y2 int or float: y-coordinate of the second corner x3 int or float: x-coordinate of the third corner y3 int or float: y-coordinate of the third corner x4 int or float: x-coordinate of the fourth corner y4 int or float: y-coordinate of the fourth corner None 1.0 Function Core