13).
Figure 13.13 Change the radius of the wind to fit the scene.
4. Rotate the wind effector (press y, and then click and drag). Look what happens??”
the particle stream changes direction, as shown in Figure 13.14.
Figure 13.14 Rotating the wind effector has a direct effect on the particle stream.
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Chapter 13 Particles in Motion 547
5. Remember, you can animate the position or rotation of the wind effector to
change how the particles flow throughout an animation. For now, reset the wind
effector to its original position by pressing Ctrl+z (Cmd+z on the Mac) to undo
your rotational changes. The Wind Mode drop-down determines how the effector
acts on particles. Change its setting from Direction (the default) to Vortex, as
shown in Figure 13.15. Now the pulsing of the wind effector causes the particles
to emit in bursts, at different speeds, adding a bit more realism to the motion.
Figure 13.15 Change the Wind Mode setting to Vortex for random emitter control.
Experiment with the various wind modes to
see how they affect the particles. If you find a
motion value you like, use it. Remember, you
can leave the layout animation playback going
to see the particles moving while you make
changes to the wind.
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