swf_perspective Define a perspective projection transformation &reftitle.description; voidswf_perspective floatfovy floataspect floatnear floatfar Defines a perspective projection transformation. Various distortion artifacts may appear when performing a perspective projection, this is because Flash players only have a two dimensional matrix. Some are not to pretty. &reftitle.parameters; fovy A field-of-view angle in the y direction. aspect The aspect ratio of the viewport that is being drawn onto. near The near clipping plane. far The far clipping plane. &reftitle.returnvalues; &return.void;