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.
raycasting - How can I use the new raycast in Roblox Studio? - Stack ...
Sep 30, 2022 · I am trying to learn how to use the Raycast system in Roblox studio, I don't have enough experience in Roblox studio to understand what's going on here, or rather how I am going to change …
How can I detect if the raycast hits the player in roblox studio?
Apr 16, 2024 · You can check the RaycastResult 's ancestor for a Humanoid to determine if your Raycast has hit a Player. Since every player's Character is a Model and has a Humanoid child, if …
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 …
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 …
Newest 'raycasting' Questions - Stack Overflow
Nov 3, 2025 · I'm currently learning raycasting and I was able to render several objects in terminal using functions like this (vec3 is just a struct with xyz variables) : float hit_sphere(vec3 center, float radius,...
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...
raycasting - Unity RayCast does hit the object but it is NOT showing in ...
Jan 11, 2023 · I recently started Unity and I ran into a problem with RayCasting. My code seems to work since the console gives me the information that the cube has been hit, but it doesn't show me the ray …
raycasting - Fisheye effect on 3D projection - Game Development Stack ...
Mar 12, 2023 · Here's the corrected raycasting routine: The changes I made: I've added a "linear offset" variable, representing the position of the column of the screen this ray represents: -48 for the left …
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 …