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Guides about topics in EToys Help screens for the OLPC XO machine. NavBar Toggle Hide Show Paint Halo Supplies Holder Players Tool ObjectCat Polygon Books ScriptTile Two Color Test Wrap Overlaps Dot Menu Drop Shadow Painting Ticks Per Second Bring to Front Decimal Places Grid and Snap to Grid |
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Squeak Etoys is a "media authoring tool"-- software that you can download to your computer
and then use to create your own media. You can write out your project and share it with others.
Etoys runs on any Mac or Windows machine, as well as on the OLPC XO machine.
It is free.
Find out about Etoys.
Text of this guide (for searching): Menu: Decimal Places
This menu is used to set the number of decimal places your project uses.
The menu shows in the Viewer and in Watchers.
Open a Viewer for the star. Click the white menu by the Star's X tile. Select decimal places. Experiment. Example 1.0
Open a Viewer for this blue line. Change the Y's decimal places from 0 to 2.
The position changes from 159 to 158.50. The last digit in the number is rounded up or down. Example 1.5
Open a Viewer for this red line.
Change the X's decimal places from 0 to 2.
Click the exclamation mark. See a difference?. Example 2.0
Open a Viewer for this green line.
Click the exclamation mark in this script and watch the heading change.
Set the heading back to 0 and change the heading's decimal places from 0 to 2.
