animation -> clip
removed jumpers.
removed unused parameters.
removed unused codes.
from-jump? -> reactive?
fixed comment.
code cleanup.
defalut-xyz -> local-xyz.
added new comments.
removed matrix and color-matrix.
removed unnecessary comment.
removed matrix.
removed take-off clips.
removed touch-down clips.
removed unused codes.
code refinement.
code clean... but offset does not work?
removed unused codes.
removed spaces.
Merge branch 'feature/code-reflesh' into develop