I've created a pendulum that emits particles, which fall on a moving board. The problem is that the particles inherit the speed of the pendulum, which is physically correct.

But I would prefer the particles to have no initial velocity or only z-initial velocity to get a more sine wave like pattern on the ground. Is this possible?

Here is a link to the original .blend: Blender File

enter image description here

  • $\begingroup$ please provide blend file $\endgroup$
    – Chris
    Commented Mar 2, 2021 at 12:41
  • $\begingroup$ @Chris edited to provide the .blend file $\endgroup$
    – DrSvanHay
    Commented Mar 2, 2021 at 13:48
  • $\begingroup$ Writing this as a comment since you specifically asked for only z initial velocity. Anywho, setting the initial velocity to match the velocity of the plane (roughly -20 y) eliminates the distortion. $\endgroup$
    Commented Jun 12, 2021 at 18:59

1 Answer 1


one way to solve this you could increase your z - speed to -50 m/s.

and change damping and friction of your plane to 1.

then you get this:

enter image description here


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