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6. Clear Button

Transcript

Finally, program a button that will let your users clear stamps and restart.

Click on the “button” sprite From the “Pen” Menu, drag out a “clear” block.

Click on the block. The stamps disappear! When people look at your project, they won’t see the clear block to click on. They will see the clear button.

To let users click on the clear button to clear the screen add a “when this sprite is clicked” event block on top of the clear button.

To test it out, stamp a few things, then click on the clear button.

The screen clears! You’ve completed your architect’s toolbox software!

Now that you’ve programmed your architect's software, you might want to save the pictures it creates.

Scratch also lets you save pictures you make on the stage in your projects. To do this, right click on the stage, and click “save picture.” Scratch will ask you to name the picture and will tell you where to save it. In this example, the picture is named “tower,” and it is saved to the desktop. Choose a good name for your own picture, and save it wherever it makes sense.

Before you go to the add-ons, go to the project page to give your users instructions on how to use it. Click “see project page.” In the instructions box, type some instructions.

This examples uses: “Click once on the shape you want to stamp so it will follow your mouse-pointer.

Click again to stamp the shape.”

Now it’s your turn: Use a “when this sprite is clicked” and “clear” block to allow the architects using your tool to easily clear the screen.

Add instructions to your project.

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Instructions
  1. Use the button sprite to clear the stamps.
  2. Clear the stamps when the button sprite is pressed.