Page 81 - Computer Genius Class 04
P. 81
Events Blocks
Events blocks control how the blocks in a script will start to run if a particular action is
done. Events blocks manage events and script execution. They are yellow in colour.
Blocks Functions
This block activates the script when the green flag or Go button
when clicked
is clicked.
when space key pressed This block activates the script when the chosen key is pressed.
when this sprite clicked This block activates the script when you click the sprite.
This block sends a message to all sprites, triggering them to
broadcast and wait do something, and waits until they all finish before continuing
with the next block.
This block pauses the running of the script for the specified
wait 1 seconds
number of seconds.
Control Blocks
Control blocks have looping blocks which are used when the same blocks have to be repeated
a number of times.
Blocks Functions
wait 1 seconds This block pauses the running of the script for the specified number of
seconds.
repeat 10
This block repeats a set of blocks a given number of times.
repeat until If the condition is false, it runs blocks inside and checks the condition
again. If the condition is true, it goes on to the blocks that follow.
forever This block keeps on repeating a set of blocks until the stop button is
clicked. It is similar to a repeat block and expands automatically to
accommodate the blocks you snap inside it.
Blocks in Scratch 79

