Pro OpenGL ES for iOS

346 ■ Index

L

Lambert lighting model, 115

lens flares, 210–218, 259–270

LensFlare object, 214, 216

LensFlare.mm, 263

light parameters, 114–115

lighting

and color, 91–94

color components in, 94–95

creating and positioning lights, 95–104

math behind shading, 115–116

with other materials, 105–115

ambient lighting, 109–110

attenuation, 112–113

emissive materials, 110–111

light parameters, 114–115

shading models, 110

specular lighting, 107–108

spotlights, 113–114

secondary lights, 119–122

in solar-system model, 122

specular reflections, 116–119

attenuation, 118

benefits of understanding, 119

factors in color and intensity, 118–119

Line Graph in the Track Display section, 303

loadShaders( ) method, 313–314, 317, 319–320,

330

loadTexture( ) method, 143–144, 146, 159, 163,

182, 197, 259–260

lookAtTarget( ) method, 250, 252–253, 257

M

magnification, 143, 155

main( ) method, 309, 316–317, 321–323, 326,

328, 331

mapping

with bumps, 191–200

shadow, 227

materials, and lighting, 105–115

ambient lighting, 109–110

attenuation, 112–113

emissive materials, 110–111

light parameters, 114–115

shading models, 110

specular lighting, 107–108

spotlights, 113–114

math behind shading, 115–116

math coordinates, 51–52

math for transformations, 33–49

2D transformations, 34–38

rotations, 34–37

scaling, 37–38

translations, 34

3D transformations, 38–49

GLKit, 49

inverse transformations, 47–48

projecting object onto screen, 43–47

quaternions, 49

max( ) method, 317

maxSize, 144

m_Eyeposition type, 246, 254, 258, 267–268

m_FieldOfView, 251–252, 268

minification, 143, 156

miniGLU, 254, 258, 264, 270, 273

Minnaert model, 110

mipmaps, 152–155, 297

MIT, computer graphics development at, 5–6

modelMatrix, 264–265

modelview, 24, 54–55, 58, 66, 68

modelViewMatrix, 41, 48, 238–239, 337–338

modelViewProjectionMatrix, 315–316, 321–322,

326–327, 331

motion, 3D, 249–259

m_Pos variable, 256

MSAA (multisampled anti-aliasing), 285

m_Scale variable, 78, 80, 82, 270

m_Squash, 78, 80, 82

m_Texture0, 181–182, 187, 194

multicolor blending, 178–179

multisampled anti-aliasing (MSAA), 285

multiTexture, 187

multiTextureBumpMap( ) method, 194

MultiTextureBumpMap( ) method, 194

multiTextureBumpMap( ) method, 197–198

multitexturing, 180, 184–200

multTexture( ) method, 196

N

NewTek, 9

nonstenciled pixels, 228

normalized vectors, 99

normalMatrix, 315–317, 321, 326–327, 331

nPtrs value, 102

NSData object, 282

O

Objective-C object, 84