Z-buffer issue with BufferGeometry in ParticleSystem

Question

In my application I\'m having troubles with the z-buffer. I have a ParticleSystem in which the dots have a texture to look like spheres. But there are two problems which I c

Answer 1

You are confused. The texture is transparent, and remains so when switching to BufferGeometry.

What is happening, is that with BufferGeometry, the particles are not rendered in sorted order -- they are rendered in the order you specify in the buffer.

If you want to use BufferGeometry, you can set

material.alphaTest = 0.5.

Then, in your case, things should look fine.

three.js r.60