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Question by MaxYari · Apr 26, 2020 at 09:33 AM · 2dparticlesshuriken

Particles - start speed curve doesn't work?

As the title says, using the curve as a start speed doesn't seem to increase/decrease speed over a lifetime but rather use some static value closer to curve's x-axis 0.

Demo: https://i.gyazo.com/0f4ecc50aebb000d8b18a33b11577a8f.mp4

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Answer by Bunny83 · Apr 26, 2020 at 02:49 PM

Well it should be pretty obvious that using a curve for the start velocity of a particle doesn't work / makes no sense. The start velocity is applied at the time a particle is created. At this point its current life time is zero. The start velocity is applied only once. You should look into the other velocity modifications like "Velocity over Lifetime", "Limit Velocity over Lifetime" or "Inherit Velocity":

ParticleSystem velocity modification over time


particlevelocity.png (14.8 kB)
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