HandleKeyboardInput method, 277
Havok, 384–385
height map, landscapes, 313–315
helper classes
ColorHelper, 80
EnumHelper, 79–80
Input class, 99–100
RandomHelper
overview, 73–74
random vector generation, 74
Sound class, 100–101
SpriteHelper, 77–79
StringHelper
filenames, extracting, 75–76
lists, creating, 76–77
overview, 74–75
TextureFont class, 97–99
usefulness of, 61
helper methods
Assert, 71
IsInList, 71
highscore list, online, 440–441
Highscores screen, 422–424
HLSL (High Level Shader Language), 148