3D Game Programming

borders, 168

camera for games, 134 ,

147 , 186

camera to follow avatar,

43–47, 82

directional lights, 187

feet, 30 , 62–63

fruit spinning animation,

106

goal for cave-puzzle

game, 170

hands, 28–29, 59 , 62–63

ramps for cave-puzzle

game, 172

spheres, 6

spinning avatar anima-

tion, 82

trees, 42

walking animation, 62–63

power-up points, 202–205

premature generalization, 53 ,

149

programming

cheats, 11

copying in, 27

frustrations, 17

laziness, 27 , 129

object-oriented, 159–

164 , 179

outlining code, 135 , 186

readability, 50–53

project code, see code, project

properties, objects and, 179

property assignments, 20

prototypes, 162 , 164

publishing code to Web, 207–

215

pulling corners, 192

purple fruit monster game,

89–91, 133–143, 245–249

push onto lists, 96 , 101 , 180

pushRaft(), 198

puzzle, cave

basic game, 165–176,

255–259

multilevel game, 177–

184 , 259–265

pyramids, creating, 10

Pythagorean theorem, 104

Q

quarter moon, 131

quotes, closing, 54 , 68

R

radians, 71 , 81

raft, creating, 195

rafting game, 76 , 185–205,

265–272

ramps, draggable, 171–174

random goals, 170 , 203

random numbers, 170 , 203

rays and intersections, 94–98

readability, code, 50–53

recursion, 57 , 155

red X errors, 19 , 86

reference, frame of, 127–129,

205

renderer variable, 214

renderer.render(), 88

renderers

boilerplate code, 88–89

defined, 88

pausing animations, 129–

130

shadows, 113

shininess, 111

size and web hosting, 214

switching, 111

repeating

code with while, 74

DRY programming princi-

ple, 51

sounds, 277

requestAnimationFrame(), 116

resetBall(), 149 , 154

resetItems(), 202

resetting

ball in tilt-a-board game,

149 , 154

bonus items, 202

purple fruit monster

game, 138 , 143

river-rafting game, 196

retrograde motion, 123

return in functions, 54

RGB numbers, 110 , 112

river

adding items to, 203

creating, 189–193

river-rafting game, 76 , 185–

205 , 265–272

river_points property, 203

road for purple fruit monster

game, 89–91

rotate() method, 172

rotating

π and, 71

animation for shapes, 14

avatars, 79–84, 226–229

camera in solar-system

project, 122

cartwheel animation, 32–

33

cylinders and tubes, 9

dirty, 152 , 198

flipping animation, 34

fruit spinning animation,

106

game board, 152

phases-of-the-moon

project, 128

planes and flat surfaces,

12

ramps for cave-puzzle

game, 172–173

river-rafting game, 191 ,

198

shapes to see 3D, 7

solar-system project, 119

spinning donut, 115

run-time errors, defined, 20

S

saving

backup code, 178

work in ICE, 4

scene.simulate(), 138

scenes

boilerplate code, 87

camera aspect ratio, 87

defined, 4

game-over check, 138

multilevel games, 178 ,

180

pausing, 200

physics-enabled, 134 ,

147

scorePoints(), 104

Scoreboard.js, methods, 274–

277 , see also scoreboards

scoreboards, see also goals

cave-puzzle game, 166 ,

174 , 179 , 181

fruit-hunt game, 100 ,

105

help messages, 100 , 189

methods, 274–277

multilevel games, 179 ,

181

pausing, 198

purple fruit monster

game, 133 , 138

resetting, 197

Index • 285

Prepared exclusively for Michael Powell