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Introduction to Computer Graphics, Section 8.1 -- Ray Tracing
https://math.hws.edu/graphicsbook/c8/s1.html#:~:text=8.1.2%20Recursive%20Ray%20Tracing%20Basic%20ray%20casting%20can,be%20implemented%20by%20casting%20a%20few%20more%20rays.
GitHub - nilax97/Recursive-Ray-Tracer: An OpenGL type ...
https://github.com/nilax97/Recursive-Ray-Tracer
An OpenGL type recursive ray tracing implementation in Java for rendering views for course on Computer Graphics at IIT Delhi. For more details refer to problem_statement.pdf. Running $ cd src $ javac -cp json-20171018.jar *.java $ java -cp .:json-20171018.jar Main input_file output_file supersampling_grid_size.
glsl - How to do ray tracing in modern OpenGL? - Stack ...
https://stackoverflow.com/questions/3667218/how-to-do-ray-tracing-in-modern-opengl
Opengl and glsl can be used for both ray and path tracing if you are really good at it. however there are few other better options like Nvidia optix with Cuda toolkit, directx 12, vulkan ray tracing, metal, falcor. Note that, all these are low level APIs that could be good performance with Nvidia recent rtx technology and support multi gpus
opengl - raytracing algorithm - a few questions - Stack ...
https://stackoverflow.com/questions/24559578/raytracing-algorithm-a-few-questions
Show activity on this post. a few question regarding the ray tracing algorithm: Can anyone tell me please if I understood the algorithm ray tracing correctly? it gets the first object that intersects with the ray. (if there are no intersections it goes out) then if the object is reflective it sends recursively a reflection ray and compute the ...
Lecture 17: Recursive Ray Tracing - Rice University
https://www.clear.rice.edu/comp360/lectures/old/RayTracing.pdf
Recursive Ray Tracing For realistic rendering, we need the following setup: an eye point E, a viewing screen S, and one or more point light sources with known location, color, and intensity (see Figure 1). We also need to specify the locations and the shapes of all the objects in the scene, together with their reflectivity, transparency, and ...
Introduction to Computer Graphics, Section 8.1 -- Ray …
https://math.hws.edu/graphicsbook/c8/s1.html
8.1.2 Recursive Ray Tracing. Basic ray casting can be used to compute OpenGL-style rendering and, with the addition of shadow rays, to implement shadows as well. More features can be implemented by casting a few more rays. The improved algorithm is called ray tracing. Consider specular reflection. In OpenGL, specular reflection can make an ...
CSE 472: The Big Honkin' Ray Tracing Tutorial
https://www.cse.msu.edu/~cse472/projects/raytrace-tutorial.html
Project 1 consists of the implementation of a recursive ray tracing renderer. The purpose of this tutorial is to provide you with a strong start on that project. ... When the program starts, it will display your model using OpenGL. When you select a Ray Trace menu option, it will create an image using your slow, but much cooler, renderer and ...
GitHub - ankitrohilla/cg-ray-tracing: Implementation of ...
https://github.com/ankitrohilla/cg-ray-tracing
cg-ray-tracing. Implementation of Ray Tracing along with Recursive Ray Tracing upto two levels. The program uses OpenGL to render points onto the display. The program takes care of shadows, reflection, refraction, multiple light sources, light attenuation and works on the planes and circles given as input. #The format of input file is shown -
raycasting - Raypicking / raytracing in OpenGL - Game ...
https://gamedev.stackexchange.com/questions/105798/raypicking-raytracing-in-opengl
This was done in older games, but is frowned upon, because it can be a huge performance hog. Picking in an OpenGL based app, is usually done using external libraries to do the ray-casting. Usually a game has a Physics engine, which must be able to do a ray-cast, so most of the time the actual physics engine is used to do ray-casting. One of ...
Introduction to Ray Tracing: a Simple Method for Creating ...
https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/ray-tracing-practical-example
Here is one possible implementation of the classical recursive ray-tracing algorithm in pseudo-code: #define MAX_RAY_DEPTH 3 color Trace(const Ray &ray, int depth) { Object *object = NULL; ... This program is only presented here to show that the ray tracing algorithm can be implemented with very lines of code. Many of the techniques used in the ...
raytracing - Why is recursion forbidden in OpenCL ...
https://computergraphics.stackexchange.com/questions/367/why-is-recursion-forbidden-in-opencl
Instead of recursing, you add a ray to a queue, and at the high level somewhere you have a loop that keeps processing until all the queues are empty. It does require significant reorganization of your rendering code if you're starting from a classic recursive raytracer, though. For more info, a good paper to read on this is Wavefront Path Tracing.
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