Sunday, March 30, 2008

Scratch Challenge (12)

The challenge is to make a moon orbit around a planet or you could make a planet orbit around the sun.

(1) You first have to make two sprites. The first sprite can be a sun and the other can be a planet. You do this by clicking on: "Costumes" and then "Edit". Now click on: 'Shrink sprite' and keep clicking on the sun until you shrink it to a reasonable size. Repeat this for the planet.




(2) For the sun, click on: "Control" and place these tabs in the sun's script.



(3) Click on: "Motion" and place 'go to x: (0) y: (0)' underneath 'when clicked'.

(4) For the planet, click on: "Control" and place these tabs in the following order:
(5) Click on: "Motion" and place these tabs in the following order:

(6) Click on the green flag and your planet should orbit around your sun.

1 comment:

Unknown said...

good idea but I think there is a mistake - can you show it to me?