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I am trying my best to re-word the problem I am having. I have 3 objects bounded on top of each other. I will call that square 1. I have duplicated square 1. The duplicated object is named square 2. How can I animate the collision of the two squares such that it looks like the image in step 2?Two square blocks colliding head on. That collision causes the block to be come deformed

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    $\begingroup$ Please add some images (hand drawn if necessary) to illustrate the result you’re trying for. $\endgroup$ – Rich Sedman Aug 14 '18 at 5:25
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    $\begingroup$ It really depends on the object, the level of realism you want, etc... you could simply use a Lattice modifier or Mesh Deform modifier. $\endgroup$ – moonboots Aug 14 '18 at 7:54
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Here is a way to do it with the Mesh Deform modifier:

  • Create your block A, subdivide it, give it a Subdivision Surface modifier.
  • Create a second block, B, with the same kind of subdivision, and that contains A. No modifier for this one, but in the Properties panel > Object > Display > Choose Draw All Edges and Maximum Display > Wire. Now B should only show its wire.
  • Also, for B, in Object mode, in the Properties panel > Data > Shape Keys, create a first one, called Basis by default, then create a second one.
  • Give A a Mesh Deform modifier, put it above the Subdivision Surface modifier, choose B as the Object, and click Bind.
  • Select B, make sure that the second Shape Key is selected, go in Edit mode, and change the shape of the mesh as you want. A should be deformed.
  • Now animate as you want (study how the Shape Keys are running if you don't know enough about it).

enter image description here

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  • $\begingroup$ I have followed all of the steps listed however when I modify the shape of B, A does not follow. Are there any common mistake that I might have made in the process that is causing this edit not to work? $\endgroup$ – Boberton Aug 14 '18 at 16:50
  • $\begingroup$ in the Mesh Deform modifier, did you choose B as the Object, and did you click Bind? $\endgroup$ – moonboots Aug 14 '18 at 17:07
  • $\begingroup$ Yes I did. When you mention that B must contain A, that means I would need to make B the parent of A correct? $\endgroup$ – Boberton Aug 14 '18 at 17:10
  • $\begingroup$ no, B must be bigger and must encompass A $\endgroup$ – moonboots Aug 14 '18 at 17:16
  • $\begingroup$ But when I meant "follow" I didn't mean "when B moves its location", I meant when you move the vertices of B, A is deformed as well. $\endgroup$ – moonboots Aug 14 '18 at 17:17

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