Runs on Terrapin Logo 4 Runs on Terrapin Logo 3

The On-Screen Piano

This program creates a piano on screen that you can play with your mouse. There are several procedures. Some of them do the drawing, while others detect the click of a mouse and compute the key which the mouse is over.

The end the program, click the Stop sign.

Piano.lgo
Procedure:
PIANO
Description:
Creates a clickable on-screen piano
Level:
Intermediate
Compatible:
Logo 3, Logo 4
Tags:
Music, Instruments, Play, Turtle, Drawing, Mouse