raycasting

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OpenGL water refraction

I\'m trying to create an OpenGL application with water waves and refraction.I need to either cast rays from the sun and then the camera and figure out where they intersect, or I need to start from the[详细]

2023-04-10 22:52 分类：问答
Voxels... Honestly, I need to know where to begin

Okay, i understand that voxels are just basically a volumetric version of a pixel. After that, I have no idea what to even look for.[详细]

2023-04-10 03:52 分类：问答
MySQL implementation of ray-casting Algorithm?

We need to figure out a quick and fairly accurate method for point-in-polygon for lat/long values and polygons over google maps. After some research - came across some posts about mysql geometric exte[详细]

2023-04-08 15:26 分类：问答
What happends when you convert floating point numbers to fixed point numbers in java (java me specifically)

I want my java me program to run as efficiently as possible. my goal is to make a ray cast and want to know the best way to traverse voxels. I have heard that conversion开发者_JS百科 and comparison of[详细]

2023-04-02 07:40 分类：问答
Point in Polygon (Google Maps API v3)

I have a google maps api v3, which uses \"The Di Lab\"\'s plugin for polygon drawing: http://www.the-di-lab.com/?p=219[详细]

2023-03-27 05:41 分类：问答
CPU Ray Casting

I\'m attempting ray casting an octree on the CPU (I know the GPU is better, but I\'m unable to get that working at this time, I believe my octree texture is created incorrectly).[详细]

2023-03-26 12:27 分类：问答
Basic (Fake) Raycasting on a 2D Heightmap

Basically what I\'m trying to do is shade a 2D heightmap using a very very basic raycasting system that basically just checks if the ray is intercepted before it should be to shade it. However it\'s n[详细]

2023-03-22 07:13 分类：问答
Raycasting Voxels and OpenGL

I\'m开发者_StackOverflow中文版 currently looking into raycasting and voxels, which is a nice combination. A Voxelrenderer by Sebastian Scholz implements this pretty nicely, but also uses OpenGL. I\'m[详细]

2023-03-15 16:46 分类：问答
Calculating intersection point of two tangents on one circle?

I tried using a raycasting-style function to do it but开发者_如何学Python can\'t get any maintainable results. I\'m trying to calculate the intersection between two tangents on one circle. This pictur[详细]

2023-03-15 06:56 分类：问答
Ray casting with CSG tree

I\'m working a project in which I have to perform ray casting and use CSG 开发者_Go百科trees. But I don\'t know how to use the CSG trees or implement it for this project.[详细]

2023-03-15 04:58 分类：问答