Three.js - Mesh is limited to receiving a maximum of 3 lights at a time

I'm encountering an issue related to lighting in three.js

Within my scene, I have a mesh called A (using a MeshLambertMaterial) that is receiving light from three sources: one DirectionalLight and two PointLights. However, for some reason, mesh A stops receiving light from one of the PointLights even though they are all set up correctly. Interestingly, other meshes in the scene are still receiving light from the same PointLights.

I've inspected various properties in the renderer and materials but haven't been able to find a solution to this problem.

Why could it be that mesh A isn't receiving light anymore?

javascriptthree.jswebgllight

Answer №1

Following thorough examination, I have successfully pinpointed the issue.

It has come to my attention that every time a light is added, the material needsUpdate flag must be set to true:

material.needsUpdate = true;

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