Saturday 15 October, 2011
Particle Flow: Making particles follow a path
Hi
In this tutorial I describe, how to forced particles, to fly along a designated path.
In our guide I use Helix shape as a path.
step.01
Create > Shapes (Splines) > Helix
At the beginning create a path, along which the particles will move. In our case it will be Helix curve.
Use the following parameters:
Radius 1: 60
Radius 2: 10
Height: 50
Turns: 5
Bias: 0
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And our Helix should looks like this:
Now select our Helix and right-click on the Select and Move button.
Change the position of the curve at X = 0, Y = 0, Z = 0.
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step.02
Create > Geometry (Particle Systems) > PF Source
It’s time to create particles. In the Create tab, select Geometry and choose Particle Systems.
Create a PF Source. Set Length and Width of our PF Source at 5.
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Now select our PF Source and right-click on the Select and Rotate button.
Change the rotation of the PF Source at X = -90, Y = -0, Z = 0.
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Select our PF Source and right-click on the Select and Move button.
Change the position of the curve at X = 60, Y = -12, Z = 0.
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After positioning PF Source our scene should looks like this:
step.03
Modify > Particle View
Now it’s time to setting our PF Source. Select PF Source and click Particle View in Modify tab.
Our PF Source have a default settings. First we must delete Speed.
Now insert into our event Speed By Icon. You can drag it from the bottom window.
In Birth set Emit Stop at 80, and Amount at 400.
Emit Stop – when emitter stops emitting particles.
Amount – how many particles will be emitted.
You can change shape size at 4.
Change the Display type on Geometry.
step.04
Animation > Constraints > Path Constraint
You can close Particle View. Press H and select Speed By Icon.
Now you can attach Speed By Icon to Helix as a Path Constraint.
Voila, this is end of this tutorial.
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