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  1. algorithm - What is the difference between ray tracing, ray casting ...

    May 1, 2021 · The algorithm to speed up volumetric rendering of (signed) distance scenes is called "sphere tracing". Ray marching may refer to whole the class of algorithms which sample the volume …

  2. raycasting - How does the Graphic Raycaster component work in Unity ...

    This is pretty much the same way that PointerInputModule does raycasting with EventSystem.RaycastAll in Unity (except with more caching). Your specific problem with the button.

  3. Efficient floor/ceiling rendering in Raycaster - Stack Overflow

    May 21, 2021 · I am working on my Raycaster engine for some time, that I am runing on slower machines. The most challenging problem I occures was/is the efficient floor and ceiling casting. My …

  4. How can I fix the "fisheye" distortion in my raycast renderer?

    I've just started making a 'raycast' engine, a pseudo 3D FPS engine similar to Wolfenstein/Doom. I haven't done much reading so my implementation is likely very naive. My current working prototype...

  5. How do I fix the warped perspective in my raycaster?

    Mar 11, 2021 · I am writing a raycaster using SDL's C API. I have spent weeks trying to fix the notorious fisheye effect to no avail. According to this source, I can multiply my calculated distance by the …

  6. How to resolve collisions when using ray-casting to predict the ...

    Jul 9, 2015 · My problem is the collision resolution step. The problem is that my objects get stuck in eachother using the current procedure. The reason being that the raycast procedure returns the …

  7. Raycasting tutorial / vector math question - Game Development Stack ...

    Raycasting tutorial / vector math question Ask Question Asked 12 years, 11 months ago Modified 6 years, 9 months ago

  8. How to Set-up Raycasting in React-three-fiber - Stack Overflow

    Nov 28, 2020 · I am trying to set up a scene in react-three-fiber that uses a raycaster to detect if an object intersects it. My Scene: scene I have been looking at examples like this example and this …

  9. raycasting: how to properly apply a projection matrix?

    Mar 1, 2010 · Understand that the projection matrices themselves, and the process they are usually involved in is derived from raycasting. The perspective matrix encodes a raycast of the kind I …

  10. c++ - Looking up and down (Implementing Camera Pitch), and …

    Jun 15, 2023 · 2D raycast shoots single ray per x position of view. If you want to look up/down freely through multiple floors that would require to shoot ray on per pixel manner converting from 2D …