Using three.js for creating particle systems with custom particle geometries

In my three.js project, I am working with a standard system of particles. However, I am curious if it is feasible to use different geometries for the particles, like boxes or planes. I am attempting to create falling bullet particles, but I am facing an issue where all the particles seem to be looking at me and not aligning properly. It's as though I cannot adjust the rotation angle or the direction in which they are pointing.

Is there a way to utilize geometries instead of particles in three.js?

javascriptthree.jswebgl

Answer №1

In my opinion, the particles within three.js can be compared to points sprites.
Within our geometry, each point is filled with a texture that covers the point in the shader (point sprites).

However, there are some issues with them:

  • They always face towards us.
  • Rotating them can be difficult. We can only attempt to manipulate texture coordinates - uvs.
  • Every point (e.g., P = (x,y) ) must remain within visible space. If its x,y coordinates fall outside of clipspace, the point will not be displayed. Point sprites are not recommended for large particles due to this limitation.

If you wish to create your own emitter based on the three.js particle emitter or search for something similar, feel free to explore further options as I haven't come across anything like it yet.

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