Page 223 - Scratch Programming Playground

When an Energy Blast clone hits an Asteroid clone, the
Asteroid clone will play the chomp sound effect and broadcast
the asteroid blasted message.
Then the Asteroid adds 2 points to the Score variable and
increases the hits variable by 1. The hit Asteroid sprite will
also shrink a little, changing its size by -25, so that when it
(the “parent”) clones itself
twice, its “child” clones
will be the smaller size.
Finally, the Asteroid clone
deletes itself.
The two smaller child
clones will have hits vari-
ables that are one more
than what the parent
started with. The fourth
time an Asteroid clone is

ASTeroID BreAker . . . In SpACe! 197