BubbleShader
所属分类：DirextX编程
开发工具：Visual C++
文件大小：1007KB
下载次数：19
上传日期：2010-07-24 06:48:52
上 传 者：
mr.wyf
说明： Directx+hlsl实现的泡泡，非常漂亮，值得仔细研究，会为你的程序添色不少
(Directx+ hlsl realization of the bubble, very beautiful, worthy of careful study, will add color to your program a lot)
文件列表:
BubbleShader\winmain.rc (5124, 2001-09-21)
BubbleShader\media\rainbowfilm_smooth.bmp (196664, 2002-06-24)
BubbleShader\media\room-dxt5.dds (393344, 2002-07-09)
BubbleShader\shaders\Bubble.psh (597, 2002-06-24)
BubbleShader\shaders\Bubble.vsh (4210, 2002-07-16)
BubbleShader\Bubble.cpp (19113, 2002-07-09)
BubbleShader\Bubble.dsp (5228, 2002-07-10)
BubbleShader\Bubble.dsw (617, 2002-06-21)
BubbleShader\Bubble.exe (356352, 2002-07-10)
BubbleShader\directx.ico (1078, 2001-07-13)
BubbleShader\resource.h (1380, 2001-09-21)
BubbleShader\framework\d3dapp.cpp (75356, 2010-06-11)
BubbleShader\framework\d3dapp.h (9179, 2001-10-31)
BubbleShader\framework\d3dfile.cpp (24189, 2001-10-31)
BubbleShader\framework\d3dfile.h (4344, 2001-10-31)
BubbleShader\framework\d3dfont.cpp (23795, 2001-10-31)
BubbleShader\framework\d3dfont.h (2487, 2001-10-31)
BubbleShader\framework\d3dres.h (1664, 2001-08-17)
BubbleShader\framework\d3dutil.cpp (23266, 2001-10-31)
BubbleShader\framework\d3dutil.h (10718, 2001-10-31)
BubbleShader\framework\dxutil.cpp (23668, 2001-10-31)
BubbleShader\framework\dxutil.h (5147, 2001-10-31)
BubbleShader\Bubble.vcproj (9208, 2010-06-11)
BubbleShader\Bubble.sln (877, 2010-06-11)
BubbleShader\Bubble.suo (9728, 2010-06-11)
BubbleShader\Bubble.vcproj.PC-201002061744.Administrator.user (1427, 2010-06-11)
BubbleShader\BubbleDebug.exe (1375744, 2010-06-11)
BubbleShader\media (0, 2002-07-22)
BubbleShader\shaders (0, 2002-07-22)
BubbleShader\framework (0, 2002-07-22)
BubbleShader (0, 2010-06-11)
//-----------------------------------------------------------------------------
// Name: Bubble Sample
//
// Copyright (c) 2002 ATI Technologies Inc. All rights reserved.
//-----------------------------------------------------------------------------
Description
===========
The bubble sample demonstrates the use of vertex and pixel shaders to
procedurally generate a pulsating soap bubble.
Rendering bubbles is an excellent candidate for vertex and pixel
shaders because they are dynamic, reflective and partially transparent.
Path
====
Source: source\DirectX\Bubble
User's Guide
============
The following keys are implemented. The dropdown menus can be used for some
of the same controls.
Toggles the vertex shader
Toggles the pixel shader
Starts and stops the scene
Advances the scene by a small increment
Prompts user to select a new rendering device or display mode
Toggles between fullscreen and windowed modes
Exits the app.
Programming Notes
=================
The Bubble sample creates a soap bubble effect by rendering a dynamically
deforming sphere with a base texture and cubic environment map.
The vertex shader uses four sine waves traveling in different directions
over the surface of the bubble to perturb the vertex position in the
direction of the normal. In order to perturb the normal, cosine waves
traveling in the same four directions are used. In order to provide a
consistent looking warping across vertices, the tangent and bi-normal
are used to guide the direction of the sinusoidal warp.
The pixel shader uses the brightly colored rainbow film map as a base
texture. This texture map is meant to simulate the soap film appearance
of a bubble. The environment map is modulated with this texture. The
white highlights are stored in the alpha of the environment map as a glow
map, and are linearly interpolated into the result. The final alpha value
used for blending with the frame buffer is the fresnel term plus the glow
map.
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