3D Game Programming

if and else keyword con-

trols, 76

jumping, 103

pausing animations, 130

purple fruit monster

game, 136–138, 140

resetting games, 143

river-rafting game, 197

tilt-a-board game, 152–

153

walking animation, 63–65

web-page loading, 211

exclamation point, 39 , 73

Explorer, xv, 2

F

faces, 191 , 193

facing proper direction, 79–

84 , 226–229

feet

creating, 29–31

moving, 59–66, 223–226

separating from avatar,

39

finish line, river-rafting game,

198–200

Firefox, 2

first-quarter moon, 131

flashGoalLight(), 154

flashing lights, 154

flat surfaces

creating, 11

MeshNormalMaterial, 110

warping, 189–193

flipping animation

acrobatics() function, 61

camera position, 44

creating, 32 , 34

keyboard controls, 66

starting and stopping, 39

forEach(), 77

forest, creating, 40–43

frame of reference, 127–129,

205

free web hosting, 212

freeze-ups, 14 , 23 , 120

frequency, wave, 193

fruit monster game, 133–

143 , 245–249

fruit, power-up, 202–205

fruit-hunt game, 99–107,

234–240

full moon, 131

functions

arguments, 54 , 56

bunching variables, 122

capitalization, 162

components of, 53

debugging with, 20

errors, 55–56, 190

geometric, 71–72

lists, 77

message-logger example,

49–58, 222

method chaining, 84

null or undefined things, 68

object construction, 162

recursive, 57

reusing code with, 41 , 50

skeleton, 190

this keyword and, 180

tree creation, 41

using, 49–58

G

game board, tilt-a-board

game, 150

game logic, tilt-a-board game,

156

game over

check, 138 , 200

message, 174

game projects

cave puzzle, 165–184,

255–265

fruit-hunt game, 99–107,

234–240

purple fruit monster,

133–143, 245–249

river rafting, 185–205,

265–272

tilt-a-board, 145–157,

249–253

gameOver(), 174

gameStep()

cave-puzzle game, 175

pausing and, 199

purple fruit monster

game, 139

river-rafting game, 199–

200

scoring and, 200

tilt-a-board game, 156

geometry

cubes, 7

cylinders, 9–11

defined, 4

donuts, 12

JavaScript functions, 71–

72

planes and flat surfaces,

11

rays, 94

rotating avatar, 81

spheres, 4

Get WebGL site, xvi

getElementById(), 215

gibbous moon, 132

goals, see also scoreboards

cave-puzzle game, 169–

170 , 182

multilevel games, 182

random placement, 170 ,

203

river-rafting game, 198–

200

sound effects, 183

tilt-a-board game, 153–

155

Google Chrome, xv, 2

graphics, adding simple, 141

gravity

adding, 134 , 146

deselecting with 0 con-

stant, 151

river-rafting game, 186

gray and specular colors, 112

ground

adding, 136

creating for river-rafting

game, 190–192

grouping, 32 , 47

guitar sound, 183

H

hacking, defined, 55

hands

creating, 26–29

moving, 59–66, 223–226

hasMoreLevels(), 181

height field mesh, 191

hello() function, 53–58

help messages, scoreboard,

100 , 189 , 275

hexadecimal numbers, 166

hiding code, 5

HTML

about, 85

boilerplate code, 85 , 87

markup, 210

tagging when posting

games, 213

Hypertext Markup Language,

see HTML

Index • 282

Prepared exclusively for Michael Powell