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In Getting Started with Reactor in 3ds Max, Steve Nelle shows how to create realistic dynamic simulations that have objects recognize, collide and react to coming into contact with each other in 3ds Max animation projects. This course includes a detailed explanation of both rigid and soft body dynamics, reactor's various collection types, using constraints and soft body modifiers, and how to adjust and control a dynamic simulation's accuracy. Four start-to-finish projects are also included in the course, which show practical techniques for breaking objects apart, creating cloth simulations, adding rippling water effects to a scene, and more. Exercise files accompany the course.
Now that we have our curtains adjusted and ready to go, we can make a few final adjustments, then create the keyframes that we need in order to wrap up the project. Now, there are a couple of other rigid objects that we probably ought to add to our sim: I am thinking of the back wall and the curtain rod, just in case our curtains come into contact with either at some point during our animation. To do that, we will first have to select our Rigid Body Collection. Then, in the modify column on the right, we will click on the Add button, bringing in the wall. Now the curtain rod was originally frozen in the scene, so we didn't have to worry about selecting it when we were working on the curtain clips.
To get to that one, we will first have to right-click, choosing Unfreeze All. Then we can go back to the right-hand side, clicking on Add, bringing in the curtain rod. Okay, in the Utilities column in the Command panel, we can now adjust the End time frame to match that of our scene's timeline. That would take the EndFrame to 250. Let's go ahead and type that in. With that, I think we are ready. Let's go ahead and hold our scene, and we can create our keys. Now, have a little patience here; we have got a ton of calculations happening now behind the scenes.
Think about it: each and every vertex on both curtains are having keyframes generated at every frame during our animation. That's making, even on today's highest- end computers, for quite a calculation. Okay, now that we have got that done, we will close the open window and play things back. So that turned out looking pretty good. Taking a few minutes to render things out, our results would end up looking like this. You can find this AVI file named Cloth Curtains in the Exercise Files folder for this chapter.
So there you go with a little cloth simulation. I will go ahead and save our completed project out as Cloth Curtains Completed, if you would like to go back in and take a look at how things were done. Nice job! Hopefully you were able to learn a few new things.
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