Focus On 3D Terrain Programming phần 10 ppsx

... functions, 160 Allocation function, 160 backbone data structure, 149–156 binary triangle tree, 129–132 detail mapping, 147–148 diamond creation function, 151–153 diamond pool buffer, 153–154 diamonds, ... demos, conventions used in book, 8 animations, water rendering, 170 API, vertex buffer rendering advantages, 81–82 applications, terrain programming uses, 4–5 arguments, interpolation f...

Ngày tải lên: 12/08/2014, 17:20

... implementation, the update/shutdown functions are going to be almost laughably small, consisting of one line each. To stay consistent with previous chapters, let’s start with the initialization function ... 128.Then we add the result of the ‘and operation’ on uiS and 0x007FFFFF. The ‘and operation’ is done to mask out any bits that might intrude upon the exponent bits. In the IEEE Floating...

Ngày tải lên: 12/08/2014, 17:20

... smooth terrain. Now, let’s kick this expla- nation into the second dimension. Keep the 1D explanation in your head constantly as we talk about what to change for the 2D explanation because every concept ... Shankel, Jason. “Fractal Terrain Generation—Fault Formation.” Game Programming Gems. Rockland, Massachusetts: Charles River Media, 2000. 499–502. 2 Shankel, Jason. “Fractal Terrain...

Ngày tải lên: 12/08/2014, 17:20

... enter the hardcore terrain programming section, which contains all sorts of information on advanced terrain algorithms. References 1 Van Noland, Charlie. “Slope Lighting Terrain. ” 2002. http://www.gamedev.net/reference/articles/article1436.asp. 72 4. ... lightmap onto terrain, but the more advanced lightmapping concepts concentrate on the genera- tion of a lightmap. (I’ll be show...

Ngày tải lên: 12/08/2014, 17:20

... correct, though; when we use them, they produce terrain that looks like Figure 5.15. What went wrong with those calculations? Well, we did one simple thing wrong. We want the divisor variable, fDivisor, ... true. (Only fans on the right edge of the patch need to worry about vertex omission.) If the fan is being rendered, however, vertex omissions are needed. For instance, if the fan wer...

Ngày tải lên: 12/08/2014, 17:20

... the tessellation of your quadtree implementation. In the previous section, we talked about general tessellation. Although general tessellation works decently, a quadtree implementation is capable ... equation does is balance the total amount of visible detail across the entire terrain mesh. The constant C allows us control of the minimum resolution of the mesh. Roettger advised, in the con...

Ngày tải lên: 12/08/2014, 17:20

... allocation/freeing functions are the high- level abstractions that call on the add/remove triangle functions. Let’s focus on the low-level manipulation functions because the high-level ones are ... diamond information and use the vertices contained in the diamond (the diamond’s center vertex and the center vertices of its previous and next diamond links). The high- level rendering funct...

Ngày tải lên: 12/08/2014, 17:20

... an interpolation bias. This function is called CosineInterpolation, and we’ll use it in conjunction with the RangedSmoothRandom function to form the basis of our noise generation. Now for the ... what we need to do. 187 Camera -Terrain Collision Detection Implementing Fractal Brownian Motion for Cloud Generation To start off, we’re going to create a function to get a random value in a range...

Ngày tải lên: 12/08/2014, 17:20

... discussion of items and subitems in the list view control. The remaining sections examine some of the more common events normally used with this control. 20 Otherwise, sort the control based on the ... application. Enumeration Values LargeIcon Each item appears as a large icon with a label below it. By default, items can be dragged around and placed at any location within the control. S...

Ngày tải lên: 07/07/2014, 04:20

... of va_arg returnsthenextargument: type va_arg(va_listap, type );  Themacro voidva_end(va_listap); mustbecalledonceaftertheargumentshavebeenprocessedbutbefore f isexited. B.8Non-localJumps:<setjmp.h> 195 conditional-expression: logical-OR-expression logical-OR-expression ? expression : conditional-expression constant-expression:...

Ngày tải lên: 06/08/2014, 09:20