L

LandscapeNormalMapping.fx shader, 347

landscapes

base texture, 311–312

height map, 313–315

normal map, 311–312

objects, adding, 315–317

optimizing, 348–350

rendering, 342–347

textures, 341–342

lights

calculation, 188

directional, 158

point, 158

spot, 158

lightVec variable, 188

line rendering, graphics engine, 125–129

Load method, 355–356

LoadGraphicsContent method, Game1.cs class, 5

loading

game data, 62-63

textures, 17, 22, 68

Log class, 68–69

logging, error messages, 68–69

Log.txt file, 69

loopings, physics, 387–390