Boner 2D is the successor to the popular open source Unity Sprites and Bones addon. This is an addon for Unity 3D to create 2D skeletal sprite animations. With the addon its possible to add bone hierarchies directly in the Unity Editor. Sprites can the parented to the bones. The bones can be animated like any other GameObject in the animator window. Inverse Kinematics is also available and animatable. The bones can also be used to animate any GameObject other than sprites like meshes or particle systems.

• Skeletons and Bones.
• Mesh deformation
• Inverse Kinematics with targets.
• IK Helper objects.
• IK Angle Constraints.
• Bones and IK are fully animatable.
• Bones can be added by holding Ctrl and left clicking.
• Bone splitting (Subdivision).
• Flip Skeletons and Bones on X or Y Axis at the push of a button.
• Mesh creation for Skinnable Meshes using custom mesh creation tools. Meshes are saved as assets.
• Free Form Deformation using control points.
• Shaders that support shadows and z-sorting (can be customized per Skeleton).
• Scaling of root object of Skeleton.
• Saving and loading of poses. Poses are saved as assets.
• Helper tools to sort render layers, copy positions and rotations between objects, and create materials for renderers.
• 2D Ragdoll creation.
• Fully integrated in the Unity Editor.
• Undo-Support
• Free and Opensource

Example of Use for 2D Skeletal Animations:

• https://youtu.be/O3wTx7TSMfA

Forum thread:

• https://forum.unity.com/threads/release-free-boner2d-2d-skeleton-animation-tools.602521/

Original Forum Thread for Unity Sprites and Bones:

• http://forum.unity3d.com/threads/219915-Release-Free-Unity-Sprites-And-Bones-2D-skeleton-animation

Demo of how to use Boner2D:

• https://www.youtube.com/watch?feature=player_embedded&v=9QK4h9IocZU

• https://www.youtube.com/watch?feature=player_embedded&v=bsd8lpesiTE

Just copy the Boner2D folder from this repository to your project or use the latest unity package from the Releases page.