// *********** My Object for the object library ************
// This function draws a mailbox. The mailbox's origin is at the center at the
// base of the post of the mailbox. 
// The mailbox is drawn upright, sitting on the x-z plane. 
// The opening of the mailbox is along the z axis and faces down the +ve z axis
// The user specifies the height of the mailbox as a float and 
// an integer choosing from one of 3 colors (0:red, 1:green, 2:purple)
// The default mailbox is purple.
// The mailbox's width is a third of the height specified and the depth 
// is about 2/3rds the height of the mailbox.  
// The length of the post of the mailbox is .6 of the height.
// The post of the mailbox is automatically set to brown.
void sdelrosaMailbox(float height, int color);