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In the Scratch Forums, Scratch Team member natalie published and stickied a forum thread titled Scratch Secrets. It lists many unknown tips and tricks, many of which improve a Scratcher's programming skills.

TipsEdit

These are the tips listed in the forum thread:

SpritesEdit

The right-click sprite thumbnail menu

Select "Show" to show a sprite that's off-screen or hidden.

  • Finding a sprite- To show a sprite that is off-screen or hidden, right-click on its thumbnail in the sprites list and select Show.








Costumes into sprites (redone)

To make a sprite from a costume, right-click the wanted costume and select "turn into new sprite".

  • Costumes into sprites- To turn a costume into a seperate sprite, right-click on the required costume and select Turn into new sprite. Keep in mind, this will remove the costume from the current sprite, and transfer it to a new sprite, rather than duplicating it so each sprite has a copy.






Careful rotation

To carefully rotate a sprite, drag the blue line over its thumbnail.

  • Easy sprite rotation- To carefully rotate a sprite, drag the blue line on its thumbnail. In addition, if you want to quickly set it back to 90 degrees, just double-click the sprite thumbnail.




11. Thumbnail deletion

To delete a sprite from its thumbnail, right-click on in it and select "delete".

Scissor deletion

To delete a sprite with the scissor option, click on the scissor icon in the upper middle-right menu and click on the required sprite.

  • Deleting sprites To delete a sprite from its thumbnail, right-click on it and select Delete. Alternatively, select the scissors from the upper middle-right menu and click on the required sprite to delete.















13. Two sprites

To rearrange sprite thumbnails, drag them to the required order.

  • Rearranging sprite thumbnails- Drag the thumbnails around to the required order.






Two costumes

To rearrange costumes, drag the thumbnails to the required order.

  • Rearranging costumes- Drag the thumbnails to the correct order.









Grabbing screen regions for a new sprite

To "carve" graphics from the background, right-click on it and select "grab screen region for new sprite".

  • Taking graphics from the background- To "carve" graphics from the background, right-click on it and select "grab screen region for new sprite".

Blocks and ScriptsEdit

  • Moving blocks to another sprite- To move a set of blocks to another sprite, drag the stack over the receiving sprite's thumbnail and release.
    Dragging scripts to other sprites

    To move a set of blocks to another sprite, drag them over the receiving sprite's thumbnail and release.












  • Straightening scripts- To place all your scripts into a vertical line, right-click the Scripts Area and select "clean up".
    24. The Clean Up feature

    To place your scripts in a vertical line, right-click the construction zone and select "clean up".








  • Receiving help- To receive help about a block, right-click it and select "help".
    The Help feature

    To find help for a block, right-click it and select "help".








  • Blocks inside others- Some blocks can fit inside others - blocks with curved edges can fit inside holes with typeable contents or drop-down boxes, for example.
    Blocks inside others

    Some blocks can fit inside others. Simply drag a block into a gap.

    To place a block in a gap, drag it over the wanted area and release.









  • Updating default X and Y values in blocks- To update the X and Y values of specific blocks in the motion palette, leave the palette and enter it again.
    Default X and Y values

    To update default X and Y values in some blocks in the Motion palette, leave it and enter it again.








Paint EditorEdit

  • Cropping images- To crop an image, select part of it with the selection tool and push Backspace or Delete.
    Removing image parts

    To crop an image, select part of it and push Backspace/Delete.












  • Image rotation- To rotate part (or all) of an image, select it and push one of the rotation buttons.
    Image rotation

    To rotate part (or all) of an image, select it and push one of the rotation buttons.









  • Precise rotation- To rotate an image by a given amount of degrees, shift-click one of the rotation buttons and input a number.
    Precise image rotation

    To rotate an image by a given amount of degrees, shift-click the buttons and enter a number.










  • Precise size edits- To grow or shrink an image to a given percentage, shift-click one of the size buttons and input
    Precise size edits

    To set the size percentage of an image, shift-click the size buttons and enter a percentage.

a percentage.








  • Continuous stamping- To continuously stamp an image without multiple clicks, hold Shift while the mouse is down.
    Continuous stamping

    To continuously stamp an item, hold Shift while stamping.








  • Easy squares- To draw a square, hold Shift while drawing a rectangle.
    Easy squares

    To draw a square, hold Shift while drawing a rectangle.







  • Easy circles- To draw a circle, hold Shift while drawing an oval.
    Easy circles

    To draw a circle, hold Shift while drawing an oval.








  • Easy lines- To draw a vertical or horizontal line, hold Shift while drawing a line.
    Easy lines

    To draw a vertical or horizontal line, hold Shift while drawing one.




  • Opposite color selection- To import a color from the palette into the color storage piece, hold Shift while selecting
    Color selection

    To import a color into the color storage section, hold Shift when selecting a color.

a color or click the arrow to the right of the color storage and select the second color.







  • Selecting colors outside the editor- Hold the eyedropper tool and move it out of the editor.
    Colors outside the editor

    To select colors outside the editor, hold the eyedropper tool down and move it out of the editor.







Reporters and VariablesEdit

  • Showing Stage Monitors- Check the boxes on the left of each value block.
    Stage Monitor Display Option

    To show a Stage Monitor, check the boxes on a value block's left.







  • Changing displays- Double-click the display for it to change to the next.
    Variable displays

    To swiftly change a display, double-click the stage monitor.







Keyboard shortcuts (some are repeats)Edit

  • Deleting multiple sprites- Hold Shift while using the Scissors tool to delete more than one sprite in one go.

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