#hscript

[samankhorram-blog]

Houdini Tutorial: Creating IK Stretchy Bones setup in Houdini by expression

We use some expression function to build IK stretchy bones, At the first we create a dynamic vector between two objects, root and ik goal, Then we use the length of this vector to conditionally executes a block of commands to Increase the length of bones dynamically so always the tip of the last bone in hierarchy can reach the ik goal.