Page 107 - trackpad v5.1 class 4 flipbook
P. 107
when clicked
pen down
set pen size to 5
repeat 360 The circle is the only shape with a
move 1 steps constant width.
turn 1 degrees
Change pen color by 5
PURE
In Scratch, each number is equal to 1 step of the sprite on the stage. In the
turn block, change the degree from 15 to 90. FACT
FOREVER BLOCK
Forever block is used to make the sprite do something infinitely (nonstop) until a command
is passed over it by the user. To use the Forever block, replace the repeat block with a forever
block. Create the following Script and Run to watch your Sprite go round and round!
when clicked
pen down
Subject: Deleting a block
forever
move 100 steps We can delete any block from the script
by right-clicking on it and choosing the
turn 90 degrees Delete Block option from the context
menu.
WAIT BLOCK
This block makes the script wait for the number of seconds specified by us, before the
next block follows. Sometimes, it is important to use the Wait block wait 1 seconds
otherwise, the movements would occur so quickly that it would be
difficult to observe them.
Tick ( ) if you know this.
▶ Forever block is used to make the sprite do something infinitely (nonstop) until a
command is passed over it by the user.
▶ Pen down block places the pen in the down position.
Drawing Shapes in Scratch 105

