Scratch Interface - More Features
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Scratch Interface - More Features

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SCRATCH - More Features

More features found in SCRATCH are:

• BLOCKS PALETTE and SCRIPTS AREA
• COSTUMES
• SOUNDS
• CURRENT SPRITE INFO
• ROTATION STYLE
• TOOLBAR

BLOCKS PALETTE and SCRIPTS AREA

To program a sprite, drag blocks from the Blocks Palette to the Scripts Area. To run a block, click on it.

Create scripts (programs) by snapping blocks together into stacks. Click anywhere on the stack to run the whole script, from top to bottom.

To find out what a block does, right-click on it, then select help from the pop-up menu.
When you drag a block around the Scripts Area, a white highlight indicates where you can drop the block and form a valid connection with another block.

To move a stack, pick it up from the top block. If you drag out a block from the middle of a stack, all of the blocks beneath it will come along with it. To copy a stack of blocks from one sprite to another, drag the stack to the thumbnail of the other sprite in the Sprite List.

BLOCKS PALETTE and SCRIPTS AREA

Some blocks have white editable text fields inside, such as:

To change the value, click inside the white area and type in a number.

You can also drop rounded blocks, like

Some blocks also have pull-down menus, such as

Click to see the menu, then click again to make a selection.

BLOCKS PALETTE and SCRIPTS AREA

To clean up the Scripts Area, right-click and select clean up from the menu. To export a screenshot of the Scripts Area, right-click and select save picture of scripts.

To add a comment to the Scripts Area, right-click and select add comment. A yellow comment area will appear, and you can type in text.

To resize the width of the comment area, use the handle on the right edge. Click the triangle at the top-left to collapse or expand the comment area.

Comments can be added anywhere in the Scripts area, and you can move them around by dragging them.

To attach a comment to a block, drag the comment on top of the block. To detach the comment, drag the comment away from the block.
COSTUMES

Click the Costumes tab to see and edit the sprite's costumes.

This Sprite has two costumes. The sprite's current costume (girl1-walking) is highlighted.

To switch to a different costume, simply click on the thumbnail of the costume you want.

COSTUMES

There are four ways to create new costumes:

1. Click Paint to paint a new costume in the Paint Editor.

2. Click Import to import an image file from your hard disk.

3. Click Camera to take photos from a webcam (built into or connected to your computer). Each time you click the Camera.gif button (or press the spacebar), it takes a photo.

4. Drag in one or more /sites/default/files/images from the web or your desktop. SCRATCH recognizes many image formats: JPG, BMP, PNG, GIF (including animated GIF).

COSTUMES

Each costume has a costume number (displayed to its left). You can rearrange the order of the costumes by dragging the thumbnails. The costume numbers update if you change their order.

Right-click on a costume thumbnail to convert the costume into a new sprite, or to export a copy of the costume as a separate file.

SOUNDS

Click the Sounds tab to see the sprite's sounds.

You can record new sounds or import sound files. SCRATCH can read MP3 files and uncompressed WAV, AIF, and AU files (encoded with 8-bits or 16-bits per sample, but not 24-bits per sample).

CURRENT SPRITE INFO

Current Sprite Info shows a sprite's name, x-y position, direction, lock state, and pen state.

You can type in a new name for the sprite.

The sprite's direction indicates which direction the sprite will move when it runs a move block (0=up, 90=right, 180=down, -90=left). The blue line on the thumbnail shows the sprite's direction. You can drag this line to change the sprite's direction. Double-click on the sprite to set the direction back to its original state (direction=90).

Click the Lock to change the sprite's lock state. An unlocked sprite can be dragged in presentation mode and the web player.

You can see the current pen color (next to the Lock) when the pen is down.

To export a sprite, right-click the sprite on the Stage or in the Sprite List. Exporting saves the sprite as a .sprite file, which can then be imported into another project.

ROTATION STYLE

Click the Rotation Style buttons to control how the costume appears as the sprite changes its direction.

Rotate: The costume rotates as the sprite changes direction.

Left-right flip: The costume faces either left or right.

No-rotate: The costume never rotates (even as the sprite changes direction).

TOOLBAR

Click on the Toolbar to select a tool, then click on other objects to perform an action.

Duplicate: Duplicate sprites, costumes, sounds, blocks, and scripts. (Shift+click for multiple.).
Delete: Delete sprites, costumes, sounds, blocks, and scripts. (Shift+click for multiple.)

Grow: Make sprites bigger. (Shift+click for larger size steps.)

Shrink: Make sprites smaller. (Shift+click for larger size steps.)

To return to the arrow cursor click on any blank area of the screen.

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