H

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