1. Creating and Calling Procedures Alice 3 Beta

2. A few choices to be made Right window, upper left hand corner start by clicking on Class “MyScene” button 1.Click “class” 2 Click MyScene 3 Click Procedures 4 Click Declare Procedure

3. After requesting to create a procedure, Name it (any legal name)

4. New Tab appears named with your new method name

5. This example will use a parameter to be passed into method when the method is called Click on Add Parameter button Next click on Value Type arrow

6. This example will use an integer Many other types are available

7. This example “howHigh” keyed in as name of integer parameter Any legal name OK, name should relate to purpose of parameter

8. Continue by clicking “OK” button

9. New Button “howHigh” appears and “Add Parameter” button may be used to create other parameters as needed “howHigh” Add Parameter

10. Many tiles can be dragged to the right in this example a Princess “move” was chosen This example chose “UP” Princess “Move”

11. A number (an integer) place holder is picked 1.0 in this example

12. Result of last 1 integer choice (1.0 is really just 1 an integer) Example Princess will move up 1 meter

13. Integer “howHigh” button dragged toward the 1.0 placeholder Target for howHigh parameter

14. “howHigh” dropped off on top of 1.0 replacing it

15. Click on “run X” tab Then click on This a.k.a. Scene Find the method you want to call “princessMethod” in this example drag the tile to the right window

16. Choose an integer “meters Princess will move UP” in this example “3” chosen as demonstration

17. Result tile on right below an existing instruction. Call to princessMethod passing 3 “howHigh” parameter

18. Next run program

19. Result: Princess moves UP too far

20. Call adjusted to “2” meters UP re-run program

21. Princess now completely in frame

22. Example has worked Method called correctly, adjusted when necessary The method may be called many times and passed the same parameter (argument) or a different one each call.