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 …
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.
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 …
Raycasting tutorial / vector math question - Game Development Stack ...
Raycasting tutorial / vector math question Ask Question Asked 13 years, 1 month ago Modified 6 years, 10 months ago
Can someone explain me how rayCast works? - Stack Overflow
Dec 26, 2016 · Raycasting is when we draw an invisible line through space and see what it intersects with. A common use for this is to figure out what a player is clicking on- we draw a line from the …
raycasting - Fisheye effect in GameMaker Ray Casting - Stack Overflow
Dec 11, 2023 · I've recently made an easy ray caster in Game maker just with a 2d game where you walk and collide with walls and then i added a ray caster to it: function cast_ray(sx, sy, sdir) { var …
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 …
More efficient way to implement Line of sight on a 2d grid with ray ...
Consider a 2d grid of tiles, and an approximated sphere of coordinates - centered on the player - that represents line of sight. The goal is to block the line of sight beyond obstacles (ie walls). ...
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 …
math - Raycasting engine rendering creating slight distortion ...
9 I'm developing a basic raycasting engine for HTML5 canvas, of the variety used in games like Wolfenstein 3D and Doom, as a learning exercise / hobby project. I've got to the point where I have …