Top "Raycasting" questions

A rendering technique to create a 3D perspective in a 2D map

Three.js raycast produces empty intersects array

I'm trying to detect when the user has clicked on a specific cube in my 3d scene I've seen a …

javascript three.js raycasting
Can a Three.js raycaster intersect a group?

I want to know if my raycaster is looking at an OBJ that I've loaded. Due to the way exported …

javascript three.js raycasting
three.js 3d models as hyperlink

I'm trying to figure out a way to use a 3D model created with Three.js as a hyperlink. In …

javascript hyperlink 3d three.js raycasting
Why do I get bad performance with SDL2 and SDL_RenderCopy inside a double for loop over all pixels?

I am programming a raycasting game using SDL2. When drawing the floor, I need to call SDL_RenderCopy pixelwise. This …

c++ performance game-engine sdl-2 raycasting
Three.js Raycaster not detecting scene mesh

I am using three.js r67 in Chrome Version 35.0.1916.153 m I am attempting to intersect some custom meshes that I …

javascript three.js mesh raycasting
Raycast without using a collider

I am doing a Voxel game and my engine was using Physics.raycasts and Mesh colliders for getting the coordinates …

unity3d position raycasting voxel
Orthographic camera and selecting objects with raycast

I am running into a bit of difficulty selecting objects with the orthographic camera using the raycaster. Though, I have …

javascript three.js raycasting orthographic