Problem with fan-cylinder intersect detection | Babylon.js Playground (babylonjs.com) In this example, I created a fan-cylinder, and then check whether some points are intersected with it. If it’s intersected, create a box there, otherwise there will be a ball instead. Obviously some points are no…

intersectsPoint will check if the point is inside the bounding box of the mesh, not inside the mesh itself. This links may help you: Babylon.js docs Point is inside a mesh functionality

Thanks for answering, but I still don’t know how to solve my problem by reading documents and discussion, examples in that post. How to make it check with the mesh itself instead of the bounding box? intersectsPoint doesn’t have the second parameter for precise. And one more thing, if I detect with…

Welp, eventually I figured out another way although seems ugly. Not totally solved the problem but at least solved my work… Babylon.js Playground Babylon.js playground is a live editor for Babylon.js WebGL 3D scenes

[image] gunpowderfans: Thanks for answering, but I still don’t know how to solve my problem by reading documents and discussion, examples in that post. The second link ( Point is inside a mesh functionality ) has code to do exactly what you want (check if point is inside mesh).

Problem with fan-cylinder's intersect detection

Questions

Evgeni_Popov March 11, 2024, 10:08am 5

The second link (Point is inside a mesh functionality) has code to do exactly what you want (check if point is inside mesh).

Topic		Replies	Views
Point is inside a mesh functionality Questions	9	809	June 26, 2023
How to judge whether two meshes intersect？ Questions mesh	3	923	December 1, 2022
How do I check if a box is in a specific coordinate? Questions	4	261	November 19, 2023
Bounding box & intersectsPoint() when mesh is rotated Questions	8	971	January 17, 2023
How do I fill in the polygon? Questions	4	305	January 12, 2023

Problem with fan-cylinder's intersect detection

Related topics