http://v.youku.com/v_show/id_XNzcyMTUxNjk2.html
在CINEMA 4D绑定机械手臂，然后做三维动画，在给手臂添加关节和IK，运用约束标签和Xpresso来控制整个手臂的运动，最后在After Effects中后期合成。
Learn to rig and animate a 3D robotic arm in CINEMA 4D. EJ Hassenfratz leads this project-based learning experience, which relies on C4D’s inverse kinematics (IK) tools. First, you’ll prepare the model hierarchy for animation, before adding joints and applying an IK tag that transforms your joint system into an IK chain. Then you’ll animate the entire rig and use constraints tags and Xpresso data to control all the moving parts in the arm. Last, EJ shows you how to render the project and import it into After Effects for further refinement.
课程内容:
Setting up the model
Creating an IK chain
Adding animation controls
Constraining position, scale, and rotation
Adding depth of field and motion blur in After Effects
效果视频：
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