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pushMatrix ( ) function, 83
R
radians, 18-20
random ( ) function, 109-111
random movements, 109-111
rectangles
cursor position relative to,
64-66
drawing, 16
rectMode ( ) function, 22
Reference and Examples, 11-12
relational expression, 42-43
relational operators, 42
RGB color, 26
robot programs (examples)
arrays of objects, 162-164
drawing P5 robot, 32-33
drawRobot function, 131-133
generating and reading data
files, 180-182
loading images from SVG/PNG
files, 101-102
modifying code with variables,
47-48
mouse-responding shapes,
72-74
objects, 147-148
random and circular movements,
118-119
translate, rotate, and scale in,
85-87
rotate ( ) function, 77
rotating coordinate system, 77-81
rows and columns, creating with for
loops, 45
rule of variable scope, 211
S
Save command, 11
saveFrame ( ) function, 189
scale ( ) function, 82
scaling shapes, 82-83
scope, variable, 211
sensors, reading, 194-195
Serial Library, 193
setup ( ) function, 50-51
shape ( ) function, 98
shapeMode ( ) function, 98
shapes, 97-100
creating new, 99-100
drawing basic, 14-19
drawing with, 98
moving (see animation)
properties, 21-22
scaling, 98-99
wrapping around screen,
105-107
sin ( ) and cos ( ) functions, 113-116
sine wave values/movement,
115-116
size ( ) function, 14, 38
sketching, 1-2
creating/saving sketches, 10-11
exporting sketches, 11
Sketch menu, 10
smoothing lines with easing, 55
sound, 184-189
fundamentals of, 187
microphones, 186-188
playing, 185-186
sine wave, 187-189
SoundFile class methods, 186
spirals, creating, 116
String data, 135, 166, 207
string values, 67
strings, storing text in, 97
stroke ( ) function, 23, 25
stroke weight consistency, 83
strokeCap ( ) function, 21
strokeJoin ( ) function, 22
strokeWeight ( ) function, 21
SVG format, vector shapes in, 93
T
Table data, 166-172
tabs, 145
test statement, 41-42
text
drawing in boxes, 96
storing in strings, 97
text ( ) function, 68, 95
Index 217