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Particle effects can be used to create everything from realistic smoke and light to abstract design elements. In Maya Particle Effects, Audri Phillips demonstrates the particles she has found helpful in her work creating dynamic visuals for video games,film and fine art. This course goes deeper than the basics, tackling topics like saving time by reusing MEL expressions, implementing physics to create realistic effects, and manipulating paint effects to give particles the look and feel of an envisioned design. Exercise files accompany the course.
In this section we're going to have fun instancing items to particles and then instancing some paint effects to particles. Now there is a lot of work on paint effects done my George Maestri on lynda.com in Maya 2008 Essentials. Now we're going to start to make some particles that we can instance things to. So I'm going to go into my Particle tool again. I'll call this first one Flower. I like Flower. And I'm going to create a particle grid. Do it in the top. Hit Enter.
Got my little grid of particles right here. Let me show you how I could create a polygon. Polygon Primitives > Sphere. Drag it out like a little right there. Hit Enter and I can go under Particles. Go into Instancer (Replacement), open the option box up and I'll call this Sphere. I'm going to have the sphere in the instanced objects. It's selected, so it automatically went in there.
I could remove any item from there. If I go in like that. And then I could add a selection just by having something selected pushing the Add Selected and it appears in there. I'm going to just accept the defaults for now. Particle object to instance, this is the particle. I named it Flower and here's the object. I'm going to accept the defaults and I'm going to go Apply. You notice now I have a sphere on every single particle. Now because these spheres are instanced to the separate particles, they will also be influenced by whatever influences the particle.
So if I put a force on the particles, that force will also control the spheres. So let me select my flower particle and I'm going to go Fields and let's just add a simple vortex. So, I'll accept the default vortex. There it is. I'll click away some of these windows and I'll just play it. Voila! My spheres were spinning with the vortex field that was on them.
I'm going to just get my Outliner out. I'm going to get rid of the spheres. Notice if I get rid of one sphere, it's going to get rid of all of them. I'm going to make sure that my particles are no longer being affected by this vortex field right now. To do that I go under Window > Relationship Editors > Dynamic Relationships and my Flower particle, I'm going to deselect vortex fields. So, now my particles are not going to be traveling around, influenced by that vortex field.
So the next thing I'm going to do is I'm going to try to instance some little flowers on to my particles, paint effects flowers. So I'm going to go Window > Paint Effects and I'm going to paint on Paint Scene and I'm going to get the brush I want. I'm going to go down to flowers. I know this little flower I wanted, this one. And I'll click this where I like to draw right in the scene.
Draw a little flower. Hit Enter. Now let's go and look at what our flower looks like. Let's render it. There is our little flower right there. Okay I want to instance this flower on to all of the particles. So I'll do it essentially the same way. I go into Window, or Particles rather, Instancer (Replacement). The option box on that. Particle Instancer name. I'm going to name that Flow, call it flow. I have my little flower in there because it was selected. The Particle objects to instance was a flower shape particle and I'm going to hit Apply. You'll see that I have a cute little flower on every single particle. There they are.
Just one thing that's kind of fun. I'm going into the Attribute Editor of my Paint Effects stroke right there and you'll notice on global scale if I change the size of this one flower, it's going to change the size of all the flowers and I could keyframe that of course. There are many other things you can do with paint effects. I could have my flowers growing over time quite easily. That way, kind of cute. Anyway it's something I hope you can have fun with and once again, if I wanted my flowers to be in a vortex too, I could open up my Relationship Editors > Dynamic Relationships and attach my flower particle to the vortex field again.
So, then I would also have some rotating flowers. Let's move back a little bit. We could rotate around and out. So have fun with that, thank you.
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