Pro OpenGL ES for iOS

341

341

Index

Numbers and Special

Characters
2D transformations, math for, 34–38
rotations, 34–37
scaling, 37–38
translations, 34
3D in Hollywood, 4
3D motion, 249–259
3D shuffle, 71
3D transformations, math for, 38–49
GLKit, 49
inverse transformations, 47–48
projecting object onto screen, 43–47
quaternions, 49
3D worlds, 51–90
clipping regions, 73–75
coordinates for
eye coordinates, 54
OpenGL coordinates, 51–53
face culling, 76–77
FOV in, 75–76
frustum
creating, 67–69
defined, 54–55
geometry for, 60–63
simple demo of, 56–59
solar system example, 77–90
spinning, 69–73

A
Adding interface, 286
alpha, 82
alpha blending, 167–179
functions, 178
multicolor, 178–179
ambient lighting, 109–110
anaglyph technique, 4

angle of incidence, 95, 116–117

angle of reflectance, 116

API Expert, 305

Api Statistics, 306

APIs (Application Programming Interfaces),

OpenGL ES, and textures, 137–141

APPLE_texture_2D_limited_npot extension,

281

Application Programming Interfaces (APIs),

OpenGL ES, and textures, 137–141

attenuation, 112–113, 118

B

backface elimination, 65

baseModelViewMatrix, 22–25

batching, 295–296

bilinear sampling, 156

billboarding, 260

binary space partitioning (BSP), 130

blending, 167–200

alpha, 167–179

blending functions, 171–178

multicolor blending, 178–179

texture, 180–200

mapping with bumps, 191–200

multitexturing, 184–200

Blinn, Jim, 7

Blinn-Phong model, 110

blob shadows, 229

bouncy square example, 143–159

filtering, 155–157

mipmaps, 152–155

OpenGL ES API extensions and PVRTC,

157–159

BSP (binary space partitioning), 130

buffer-matrix, 36

buffer objects

frame. See FBOs