beginning opengl game programming 2004 phần 6 pps
beginning opengl game programming 2004 phần 6 pps
... supported by your OpenGL
implementation. If you’re using Windows, check for Windows-specific extensions
as well.
Chapter 8
■
OpenGL Extensions1 96
08 BOGL_GP CH08 3/1/04 10:03 AM Page 1 96
TLFeBOOK
Extension ... of OpenGL Extension Prefixes
Prefix Meaning/Vendor
ARB Extension approved by OpenGL s Architectural Review Board (first introduced with
OpenGL 1.2)
EXT Extension agreed up...
beginning opengl game programming 2004 phần 2 ppsx
...
CGfxOpenGL
class, whose definition is
shown below.
From
CGfxOpenGL.h:
class CGfxOpenGL
{
private:
int m_windowWidth;
int m_windowHeight;
float m_angle;
public:
CGfxOpenGL();
virtual ~CGfxOpenGL();
bool ... will be used to render with OpenGL. This structure must be specified and
defined before any OpenGL code will work on a window.
■
Full-screen OpenGL is used by most 3D games that are...
beginning opengl game programming 2004 phần 4 ppsx
... matrix.
■
Translation is performed in OpenGL with the
glTranslate()
function.
■
Rotation is performed in OpenGL with the
glRotate()
function.
■
Scaling is performed in OpenGL with the
glScale()
function.
■
Saving ... orient the OpenGL viewpoint.
■
Use the
glLoadMatrix()
function to load a user-defined matrix as the current
OpenGL matrix.
■
Use the
glMultMatrix()
function to mul...
beginning opengl game programming 2004 phần 9 pps
... 10: 06 AM Page 266
TLFeBOOK
277
The Endgame
chapter 13
T
he endgame. This is the end, and we have a game for you. We’ve covered quite a
bit of OpenGL in this book, and now it’s time to put OpenGL ... 13
■
The Endgame278
Figure 13.1 Classes and their dependencies in the game.
Table 13.1 Chess Game Classes
Class Description
CGfxOpenGL
The OpenGL rendering class. The majority of...
beginning opengl game programming 2004 phần 10 pps
... 24
minification
mipmaps and, 167
parameters for filter, 173–174
in texture filtering, 161 – 162
mipmaps, 166 – 168
automatic generation of, 168
and GLU library, 167 – 168
minification filter and, 162
sub-images with, ... W.COURSEP T R.COM / GAMEDE V
Beginning C++
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$29.99
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ISBN: 1-59200-307-9
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Beginning DirectX 9
ISB...
beginning opengl game programming 2004 phần 1 potx
... . . . . . 266
Depth-Comparison Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Read-Only Depth Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
The Stencil ... finished writing OpenGL Game Programming. Although the
book didn’t cover everything we had initially planned, we hoped that it would bene-
fit people learning to program games with O...
beginning opengl game programming 2004 phần 3 pdf
... world origin
DrawPlane();
}
Chapter 4
■
Transformations and Matrices 76
04 BOGL_GP CH04 3/1/04 9:58 AM Page 76
TLFeBOOK
OpenGL provides quad strips as a means of improving the speed of rendering ... example in
Figure 3.12.
Chapter 3
■
OpenGL States and Primitives60
Figure 3.11 A polygon can be an arbitrary number of vertices.
03 BOGL_GP CH03 3/1/04 2:34 PM Page 60
TLFeBOOK
As you ca...
beginning opengl game programming 2004 phần 5 ppt
... snippet creating a 16 × 16 × 16 texel RGB texture using the
glTexIm-
age3D()
function:
unsigned char imageData[ 16* 16* 16* 3];
glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB, 16, 16, 16, 0, GL_RGB,
GL_UNSIGNED_BYTE, ... R3
GL_UNSIGNED_SHORT_5 _6_ 5
Packed into unsigned 16- bit integer. R5, G6, B5
GL_UNSIGNED_SHORT_5 _6_ 5_REV
Packed into unsigned 16- bit integer. B5, G6, R5
GL_UNSIGNED_SHORT_4_4...
beginning opengl game programming 2004 phần 7 docx
... 1.0);
glVertex3f(-1.0, 1.0f, -2.0);
glEnd();
}
Figure 9 .6 shows this example in the middle of the interpolation.
Chapter 9
■
More on Texture Mapping218
Figure 9 .6 Image interpolation using texture combiners.
09 ... learn
several methods for improving your game s performance.
■
Display lists
■
Ver tex arr ays
■
Frustum culling
Display Lists
After you’ve been writing OpenGL code for a w...
beginning opengl game programming 2004 phần 8 pptx
...
CGfxOpenGL
class:
unsigned int CGfxOpenGL::CreateBitmapFont(char *fontName, int fontSize)
{
HFONT hFont; // windows font
unsigned int base;
base = glGenLists( 96) ; // create storage for 96 characters
if ... length;
plane.D /= length;
}
void CGfxOpenGL::CalculateFrustum()
{
// get the projection and modelview matrices
GLfloat projection[ 16] ;
GLfloat modelview[ 16] ;
glGetFloatv(GL_PROJECT...