Page 278 - Learn To Program With Scratch
P. 278
mathematical functions, 22 set rotation style [style], 30, 35
Math Wizard application, 236–239 set x to [0], 26
MathWizard.sb2, 236 set y to [0], 26
maximum of a list, 224 turn left [15] degrees, 28
median of a list, 231 turn right [15] degrees, 28
Median.sb2, 231 x position, 27
menu-driven programs, 132 y position, 27
menus, pop-up Motion palette, 6, 25
backdrop, 58 Mouse Display Area, 4
costume, 9 multiplication operator (*), 21
custom block, 77–78 music
slider, 107 background, 53–54, 58
sprite, 6 beats, 54
message broadcasting, 68–70 composing, 55
to coordinate multiple sprites, drums, 54
70–71 notes, 55
to implement procedures, 73–75 tempo, 56
message handler, 69 My Stuff page, 250
minimum of a list, 224
MIT (Massachusetts Institute of N
Technology) Media Lab, 2
MoleculesInMotion.sb2, 182 name
Molecules in Motion simulation, 182 project, 4
Money_NoCode.sb2, 36 sprite, 11
monitors variable, 97
changing appearance, 107 naming variables, 98
defined, 106 Nature.sb2, 66
displaying, 21 Navigation bar, 245
for lists, 215 nested elements
and scope, 108 if and if/else blocks, 132
slider mode, 107 join blocks, 119
for variables, 106 loops, 167–169
More Blocks palette, 75–77, 82, 86 procedures, 82
mosaic effect, 51 repeat blocks, 34
motion NestedLoops1.sb2, 167
absolute, 26–27 NestedLoops2.sb2, 168
commands, 25 Nested Loops application, 167–169
relative, 27–30, 195 n-Leaved Rose application, 114–115
Motion blocks N-LeavedRose.sb2, 114
change x by [10], 28–29 nonagon, drawing, 34
change y by [10], 28–29 Non-IntegerRepeatCount.sb2, 166
direction, 28 not operator, 136
glide [1] secs to x:[0] y:[0], 26 NumberSearch.sb2, 162
go to [mouse pointer], 30
go to [sprite], 148 O
go to x:[0] y:[0], 26 octagon, drawing, 34
if on edge, bounce, 8, 12, 18 odd integer, checking if, 21, 131
move [10] steps, 28 Ohm’s law, 108–110
point in direction [90], 28 OhmsLaw.sb2, 108
point towards [mouse-pointer], Operator blocks
7, 30 + (addition), 21
point towards [sprite], 30, 60
/ (division), 21
256 Index
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