createo Posted July 27, 2021 Share Posted July 27, 2021 Hello, I'm still not on vacation but continue to explore gently AM. In the case of an object with mechanical articulation (luxo, excavator) is one obliged to have a rigging with bones and a skeleton ? In this case, many 3D software adopt a "simple" hierarchy objects and we can still benefit from IK. Is this possible with AM ? Am I using copy move and rotate constraints to attach objects? thank you see you soon Quote Link to comment Share on other sites More sharing options...
Hash Fellow robcat2075 Posted July 27, 2021 Hash Fellow Share Posted July 27, 2021 Bones will be the simplest and best way to control mechanical objects. You will have to add them. It won't be automatic. It won't be like a full human rig but you will have parts attached to bones and probably use constraints to simplify maneuvering them. Here is a simple Luxo example LuxoSimple002.prj It uses a few bones and constraints much like an IK Leg or IK Arm. luxoJump750.mp4 Quote Link to comment Share on other sites More sharing options...
Hash Fellow robcat2075 Posted July 28, 2021 Hash Fellow Share Posted July 28, 2021 On 7/27/2021 at 4:41 AM, createo said: In this case, many 3D software adopt a "simple" hierarchy objects and we can still benefit from IK. Is this possible with AM ? If you make a car in that other 3D software it won't automatically know what parts are the wheels and what parts are the doors. You will have to somehow group the polygons for each part so the software knows they are supposed to move together. That is done in A:M by adding a bone and then selecting the CPs that will belong to it. The hierarchy of those bones can be arranged and re-arranged in the PWS. It is possible in A:M to drag around the end of a chain of bones and the chain will behave in an IK fashion, even if you have not made an IK constraint. It is POSSIBLE. Adding a real constraints creates more predictable behavior and is so easy to do that it should always be done that way. Quote Am I using copy move and rotate constraints to attach objects? I'm not sure what you mean. Quote Link to comment Share on other sites More sharing options...
Hash Fellow robcat2075 Posted July 30, 2021 Hash Fellow Share Posted July 30, 2021 I'll note that in my "Luxo Simple" , the "Head Control" and "Base Control" nulls are not necessary. I just added them on top of the "Head" and "Base" bones because nulls are easier to grab and move onscreen. Quote Link to comment Share on other sites More sharing options...
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