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ray tracing vs polygons - General and Gameplay Programming
https://www.gamedev.net/forums/topic/220423-ray-tracing-vs-polygons/
The main advantages of raytracing lies in the fact that its a more "natural" way of simulating light... It gives more accurate results, is simpler to program. Raytracing can also be extended in more elegant manners than rasterization (photon mapping, path tracing). quote:oh, and a ray caster is the most basic form of a ray tracer.
Raytracing vs. Polygonclipping - Performance advice needed
https://forums.developer.nvidia.com/t/raytracing-vs-polygonclipping-performance-advice-needed/39641
Hey there, I have to do some shading calculations for a scene with about 25,000 polygons. But the only thing I want to know is the percentage of the area of each polygon which is not shaded. I do not need any renderings, just the calculation results. There are two basic methods to do this: Raytracing or polygon clipping. Raytracing is easy to parallelize. There are …
1A) Ray tracing versus polygon scan conversion
https://www.cl.cam.ac.uk/teaching/1999/AGraphHCI/notes/p1a.html
This sort of thing is much easier to do with ray tracing than with polygon scan conversion. Polygon scan conversion This term encompasses a range of algorithms where polygons are rendered, normally one at a time, into a frame buffer. The term scan comes from the fact that an image on a CRT is made up of scan lines.
1A) Ray tracing versus polygon scan conversion
https://www.cl.cam.ac.uk/teaching/2000/AGraphHCI/AG/p1a.html
A: Ray tracing vs polygon scan conversion B: Polygon mesh management & hardware PSC quirks on to part 2... 1A) Ray tracing versus polygon scan conversion These are the two standard methods of producing images of three-dimensional solid objects. They were covered in some detail in the Part IB course.
ray tracing vs polygons - General and Gameplay Programming
https://www.gamedev.net/forums/topic/220423-ray-tracing-vs-polygons/?page=7
I read somewhere a few years ago that ray tracing(or ray casting is there a real difference?) could produce better results than polygon based engines but computers weren't fast enough to make it's use in games realistic. ... could produce better results than polygon based engines but computers weren't fast enough to make it's use in games ...
What is ray tracing, and how does it differ from game to …
https://www.pcgamer.com/what-is-ray-tracing/
Hybrid rendering uses traditional rasterization technologies to render all the polygons in a frame, and then combines the result with ray-tracing where it makes sense. The ray tracing ends up being...
What’s the Difference Between Ray Tracing and …
https://blogs.nvidia.com/blog/2018/03/19/whats-difference-between-ray-tracing-rasterization/
Ray tracing is the technique modern movies rely on to generate or enhance special effects. Think realistic reflections, refractions and shadows. Getting these right makes starfighters in sci-fi epics scream. It makes fast cars look furious. It makes the fire, smoke and explosions of war films look real.
Is Ray Tracing Worth It In 2022? (Pros & Cons) - Graphics Report
https://graphicsreport.com/is-ray-tracing-worth-it/
Ray tracing allows for more realistic graphics as well as better optimization because the cards do not have to work as hard to render the scene. This means that you can play games at a lower resolution or with fewer graphical settings that would otherwise be necessary. So, ray-tracing improves your gaming experience.
What is the fastest way to find the point of intersection …
https://stackoverflow.com/questions/312328/what-is-the-fastest-way-to-find-the-point-of-intersection-between-a-ray-and-a-po
If you really need ray/polygon intersection, it's on 16.9 of Real-Time Rendering (13.8 for 2nd ed). We first compute the intersection between the ray and [the plane of the ploygon] pie_p, which is easily done by replacing x by the ray. n_p DOT (o + td) + d_p = 0 <=> t = (-d_p - n_p DOT o) / (n_p DOT d)
Combining ray tracing and polygons | Syntopia - Hvidtfeldts.net
http://blog.hvidtfeldts.net/index.php/2014/01/combining-ray-tracing-and-polygons/
We now have the necessary ingredients to set up our raytracing shaders. The polygon shaders But let us start with the polygon shaders. In order to draw the polygons, we need to apply the model, view, and projection transformations to the object space vertices: gl_Position = projection * modelView * vertex;
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