Y8 Understanding Scratch - Scripts

Scratch has several panels on its interface.

On the right there is the stage script costumes sounds sprite panel is where the you assemble the scripts.

The central panel normally shows you the script palletes but can be changed so you can create new stage script costumes sounds sprite or stage script costumes sounds sprite .

On the left there is the stage script costumes sounds sprite where the action takes place and below it the stage script costumes sounds sprite panel

What shape will be drawn?

How long will each side be? steps

What control block has been used? control forever repeact until turn repeat (number)

What colour will the shape be? black red green blue .

In this example the name of the variable is degrees steps repeat size .
The name of the variable was chosen by the programmer user computer scratch program .
For the script to work size must be a letter word number color.

What is the advantage of using a variable instead of a number?

The script runs quicker
The variable can be changed while the script is running
It is more accurate

In this fragment of script from a sprite script changing x moves the sprite forwards backwards horizontally vertically and changing y moves the sprite forwards backwards horizontally vertically . If we want to make the sprite move continuously this fragment needs to be in a loop so it keeps going increase horizontal speed put in a wait block . If we want to make sprite move more to the right we loop so it keeps going increase horizontal speed put in a wait block .