Particles not renderering on transparent background

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Hi!

i have been trying to use the particle system on a transparent background however they do not seem to render properly.


https://playcanvas.com/editor/scene/750116

based on formula in the user manual here https://developer.playcanvas.com/en/user-manual/packs/components/particlesystem/

Blending Mode Alpha: Prgb x Pa + Drgb x (1 - Pa)

i’m assuming that the particle system isn’t using the alpha of the canvas.
hence the particles are technically drawing, but the alpha remains 0

or im doing something wrong here?

Thanks in advance!

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