INDEX
SYMBOLS
+ (addition) block, 169, 236–237
> (greater than) block, 73–74, 205
< (less than) block, 73–74, 84, 105, 112, 205, 223
* (multiplication) block, 134, 169, 229
- (subtraction) block, 100
A
account, Scratch website, 3–4, 11
addition (+) block, 169, 236–237
AI (artificial intelligence), 246
all around rotation style, 97
animating sprites, 16, 112–115, 119–121, 231–232
arrow keys, 40–42, 53, 74, 76, 129
artificial intelligence (AI), 246
Asteroid Breaker program
aiming and firing, 190–193
designing, 184–185
exploding animation, 200–203
keeping score, 199–200
limiting ammo, 204–205
making asteroids, 194–195
making spaceship, 186–187
splitting hit asteroids,
Get Scratch Programming Playground now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
