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How do I find voxels along a ray?
Game Development Stack Exchange
https://gamedev.stackexchange.com › questions › how-...
Game Development Stack Exchange
https://gamedev.stackexchange.com › questions › how-...
18 Mar 2014 — To find where a span starts, you solve for the intersection of the ray with an edge/line (horizontal lines in your case). The span ends at the ...
3 answers · 4 votes: I actually found anothe stackexchange answer that answers this. Cast ray to select block ...
A Ray-Box Intersection Algorithm and Efficient Dynamic ...
Reddit · r/VoxelGameDev
7 comments · 6 years ago
Reddit · r/VoxelGameDev
7 comments · 6 years ago
This method rasterizes a quad (point) for each cube and then "paints" a cube inside of the quad in the fragment shader.
A Fast Voxel Traversal Algorithm for Ray Tracing
York University
http://www.cse.yorku.ca › research › grid
York University
http://www.cse.yorku.ca › research › grid
PDF
by J AmanatidesCited by 1311 — If no intersection is found in the current voxel or the object list is empty, we follow the ray into a neighbour- ing voxel and check its object list.
6 pages
Find If a Ray Intersects a Voxel Without Marching
Stack Overflow
https://stackoverflow.com › questions › find-if-a-ray-int...
Stack Overflow
https://stackoverflow.com › questions › find-if-a-ray-int...
A ray is P = O + t D , where P , O , D are vectors and t a positive real. There is an intersection with the voxel [x,y,z]x[x+1,y+1,z+1] if ...
WebGL2 : 074 : Voxel Ray Intersection
YouTube · SketchpunkLabs
7,1K+ views · 6 years ago
YouTube · SketchpunkLabs
7,1K+ views · 6 years ago
Today we learn how to use a ray to find all the voxels that a ray intersects within a voxel chunk. We use the popular "Fast Voxel Traversal" ...
10 key moments in this video
Fast and Accurate Ray-Voxel Intersection Techniques for ...
SCI Utah
https://www.sci.utah.edu › iso › IsoIsec_VMV2004
SCI Utah
https://www.sci.utah.edu › iso › IsoIsec_VMV2004
PDF
by G MarmittCited by 77 — With ray tracing the necessary ray-surface intersec- tions are computed on the fly at all relevant voxels, which allows for instantly changing the iso-value.
7 pages
An Overview of the Fast Voxel Traversal Algorithm
GitHub
https://github.com › cgyurgyik › blob › master › FastVo...
GitHub
https://github.com › cgyurgyik › blob › master › FastVo...
24 Oct 2023 — This document serves as an overview of the research paper Amanatides & Woo “A Fast Voxel Traversal Algorithm For Ray Tracing”.
Voxel Raycast Algorithm - Unity Engine
Unity Discussions
https://discussions.unity.com › voxel-raycast-algorithm
Unity Discussions
https://discussions.unity.com › voxel-raycast-algorithm
17 May 2018 — My current best solution that I can think of is to make Box Colliders for all of the voxels nearby and see which ones intersect the Ray but I ...
Another View on the Classic Ray-AABB Intersection ...
Medium · Roman Wiche
30+ likes · 5 years ago
Medium · Roman Wiche
30+ likes · 5 years ago
There are a few algorithms which solve the ray-AABB intersection problem. Majercik et al. give an excellent overview of existing ray-box tests.
5 Ray-Surface Intersection Tests for Particle Transport
IuE - TU Wien
https://www.iue.tuwien.ac.at › phd › manstetten › Ray-...
IuE - TU Wien
https://www.iue.tuwien.ac.at › phd › manstetten › Ray-...
The result of an intersection test is the distance from the origin of the ray to the closest intersection with the surface in the direction of the ray.
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