tag:blogger.com,1999:blog-86804262516837600332011-07-08T07:31:38.563-07:00Kindjiehttp://www.blogger.com/profile/13807917120604154605noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-8680426251683760033.post-33866502897305396262008-04-20T19:18:00.000-07:002008-04-21T00:19:33.815-07:00<h3><b><span style="color: rgb(255, 255, 255);"></span></b><span style="font-size:78%;">CpSc 426 Project w/<i>Sahar Sajadieh</i></span><i> </i><br /></h3> <h4>Downloads: </h4> Please see my site on Google Pages for downloads: <a href="http://kindjie.googlepages.com/home">Google Pages</a><br /><h4>Concept:</h4><ul><li>Deep ocean scene with Gerstner modeled deep ocean (infinite depth) waves and boiding flocks of fish.</li><li>Fish have a slight attractive force to the camera, and repulsive force from the water plane. </li><li>Freemoving FPS-style camera. </li><li>Spheremapped water texture.<br /></li><li>Skybox is used to create background.</li><li>Fog to create sense of depth.</li><li>Single directional light in -y direction. </li><li>Models in OBJ format are supported.</li><li>Textures can be any format supported by DevIL.<br /></li></ul><h4>Gerstner Wave Algorithm:<a href="http://graphics.ucsd.edu/courses/rendering/2005/jdewall/tessendorf.pdf">[Tessendorf 01]</a> </h4><ul><li><b>x0 - </b>Undisturbed horizontal position on surface.</li><li><b>y0</b> - Undisturbed vertical position on surface.</li><li>A - Amplitude of wave.</li><li><b>k - </b>Wave vector.</li></ul><p> <br /></p><ul><li><b>x</b> = <b>x0</b> - (<b>k</b> / |k|) A sin(<b>k </b>. <b>x0</b> - wt)</li><li>y = A cos(<b>k</b> . <b>x0</b> - wt)</li><li>Multiple waves can be summed.</li></ul><p> <br /> See: <i>RenderableGlWater.h</i> &amp; <i>RenderableGlWater.cpp</i><br /><br /></p><h4>Boiding Algorithm:</h4><ul><li>d - Distance.</li><li><b>x0</b> - Average position amongst neighbours.</li><li><b>v0</b> - Average velocity amongst neighbours.</li></ul><p><br /></p><ul><li>Separation force - Repulses boids from neighbours based on 1/d</li><li>Cohesion force - Attracts boids to <b>x0</b> based on d^2.</li><li>Alignment force - Aligns boids in direction of <b>v0</b>. </li></ul><p><br /> See: <i>Boider.h</i> &amp; <i>Boider.cpp</i><br /><br /></p><h4>Physics:</h4><ul><li>Euler integration. </li></ul><h4>Libraries:</h4><ul><li><a href="http://openil.sourceforge.net/">DevIL</a> </li><li><a href="http://www.boost.org/">Boost</a> </li><li><a href="http://www.cmldev.net/">CML</a> </li><li><a href="http://freeglut.sourceforge.net/">FreeGlut</a> </li><li><a href="http://cggmwww.csie.nctu.edu.tw/courses/cgu/2002/">OBJ Loader</a> </li><li><a href="http://glew.sourceforge.net/">GLEW</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8680426251683760033-3386650289730539626?l=kindjie.blogspot.com' alt='' /></div>Kindjiehttp://www.blogger.com/profile/13807917120604154605noreply@blogger.com1