Hi, I have a square i generated with LineSegments geometry = new BufferGeometry; geometry.addAttribute('position', new BufferAttribute(new Float32Array(vertices), 3)); geometry.addAttribute('color', new BufferAttribute(new Uint8Array(colors), 3)); let line = new LineSegments(ge…

You can create a mesh for the square and provide it with a completely transparent material.

Since am using LineSegments how can i add a mesh? sorry am new.

A similar example. <!DOCTYPE html>  <head> <title> raycast </title> <meta charset="utf-8"> <style> body { margin: 0; } </style> </head> <body> <div id="container"></div> <script src="three.min.101.js"></s…

If you’re new, check out these examples. [image] Collection of examples from discourse.threejs.org Resources The answers to some questions contain some very interesting and instructive basic examples. These are difficult to find in the large number of questions on discours…

I left it out of my question but am using LineSegments because am changing the color of each line on raycast hit.

Are you looking for something like this? Highlighting the nearest edge from mouse pointer in three js javascript, three.js answered by prisoner849 on 08:28AM - 07 Aug 18 UTC

In these examples I determine whether raycast selects a corner or edge or (more in the middle) the triangle. Modify indexed BufferGeometry (mouse or input) ( http://discourse.threejs.hofk.de/2018/Xindex2018.html Example at the bottom) http://sandboxthreef.threejs.hofk.de/modifyRaycastMultiMateria…

I’m not sure that variant was your target. http://discourse.threejs.hofk.de/2019/RaycastForEdges/RaycastForEdges.html <!DOCTYPE html>   <head>…

Cast a ray at LineSegments

Questions

hofk February 25, 2019, 8:52pm 5

If you’re new, check out these examples.

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Cast a ray at LineSegments

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