3D Graphics with OpenGL ES and M3G- P14 pptx
3D Graphics with OpenGL ES and M3G- P14 pptx
... surface of the mesh by connecting vertices into triangles, as
shown in Figure 5.2. OpenGL ES defines three ways to form triangles from consecutive
indices—triangle strips, lists, and fans—but M3G ... these tech-
niques is used with keyframe animation driving the normal motion, rigid body dynamics
5
CHAPTER
SCENE MANAGEMENT
By dealing with individual triangles, matrices, and dispara...
3D Graphics with OpenGL ES and M3G- P5 pptx
... axes of symmetry. When
the chair is moved in the room, its coordinate system moves and may reorient with respect
to the parent coordinate system (that of the room).
2.1.1 VECTORS AND POINTS
A3Dpoint ... (2.2)
SECTION 2.2 MATRICES 31
2.1.3 HOMOGENEOUS COORDINATES
Representing both points and direction vectors with three coordinates can be confusing.
Homogeneous coordinates are a usef...
3D Graphics with OpenGL ES and M3G- P9 pptx
... image in one
go. However, if clipping the primitives introduces new vertices at image boundaries, and
unless the colors and possibly other properties are interpolated using exactly the same
algorithm ... light
source. However, OpenGL does not typically represent the true light energy, but a com-
pressed representation of light, and quadratic attenuation typically produces too harsh
ch...
3D Graphics with OpenGL ES and M3G- P15 pptx
... triangle meshes, at least not from the user’s point of view. Such renderables
include spheres, cylinders, terrains, particles, impostors, skyboxes, and so on.
The Camera node defines from where and ... that its vertex coordinates
are present, that t riangle indices do not point beyond vertex array boundaries, that a
SkinnedMesh has all the necessary bones in place, and so on.
To compute...
3D Graphics with OpenGL ES and M3G- P35 pptx
... contain-
ing two strips, one with five and the other with three vertices; this translates into three
and one triangles, respectively.
static final int myStripIndices[]={0,3,1,4,5,7,6,8};
static ... 150.0f);
With all of that done, we can proceed to rendering the mesh. You will normally do this in
the paint method for your MIDP Canvas.
void paint (Graphics g) {
Graphics3 D g3d = Gra...
3D Graphics with OpenGL ES and M3G- P42 pptx
... tables and store
the results in fixed point.
A case in point is sin (and from that cos), for which only a 90
◦
segment needs to be tab-
ulated, and the rest can be obtained through the symmetry and ... (changes sign)
; note: if (clz — 1) resulted in — 1, we just want to take the high
; value of the result and not touch the exponent at all.
; This is achieved by appending rest of the o...
3D Graphics with OpenGL ES and M3G- P45 pptx
... culling, 150
OES
draw texture extension, 238
OES
matrix palette
extension, 235–238
OES
query matrix extension, 234–235
opacity, 96
OpenGL, 157
extensibility, 165
OpenGL ES versus, 159
OpenGL ES 1.0, ... 115
OpenGL versus, 159
packaging, 169–170
pipeline illustration, 56
pixels tests, 213–218
prefixes/suffixes, 167–168
primitives, 58
profiles, 161
reflectance model, 61
reflection models,...
Mobile 3D Graphics with OpenGL ES and M3G
... array sizes (values per vertex) and data types.
present). For type the values BYTE, SHORT, INT, FLOAT, and DOUBLE indicate
types byte, short, int, float, and double, respectively; and the values
UNSIGNED ... input values. The next stage
operates on geometric primitives described by vertices: points, line segments, and
polygons. In this stage vertices are transformed and lit, and...
morgan kaufmann mobile 3d graphics with opengl es and m3g - morgan kaufmann
... providing 3D graphics capabilities to the entire range of embed-
ded devices from wristwatches to smart phones, modern games consoles, and beyond. All
OpenGL ES 2.x devices are expected to ship with ES ... three parts and several appendices. Part I gives an introduction to the
3D graphics concepts that are needed to understand OpenGL ES and M3G, which are then
covere...
3D Graphics with OpenGL ES and M3G- P1 pps
... blank
Mobile 3D Graphics
with OpenGL ES and M3G
viii CONTENTS
6.7 Textures 152
6.7.1 Texture Storage 152
PART II OPENGL ES AND EGL
CHAPTER 7. INTRODUCING OPENGL ES 157
7.1 Khronos Group and OpenGL ES 157
7.2 ... Features in OpenGL ES 1.1 164
7.4.4 Extension Mechanism 165
7.4.5 OpenGL ES Extension Pack 166
7.4.6 Utility APIs 166
7.4.7 Conventions 167
7.5 Hel...