I’m trying to accomplish a “warp-speed” effect using a cylinder particle emitter. How would I go about making the particles stretch like this example: Entering Hyperspace Stock Video - Download Video Clip Now - iStock . I would like to be able to toggle the effect on and off, and stretch the particles if the speed is fast, and leave squares if they are small. Playground: https://playground.babylonjs.com/#EAZYXZ#1
Merry Christmas 
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Click on the right part of the screen to give the focus to the display area then keep the space bar pressed to enter warp mode.
I didn’t find a clean way to do that, I had to override the Particle._inheritParticleInfoToSubEmitters method to be able to overwrite the angle property of each particle, which I set to the angle the particle has been emitted with (relatively to the center of the emission). Then, when you keep the space bar pressed, I raise the scaleX property to 10 to generate a thin rectangle that will have the right orientation thanks to the updated angle property.
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I suppose it is also possible to create similar effect with SPS particles, where scaling is simpler (or “cleaner”).
Fantastic! Thank you very much 
Anybody here played Asheron’s Call?
Now it works for me as well, I was getting error message at the bottom