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;Skeleton | ;Skeleton | ||
:The hierarchy of the bones (parents, children, siblings) is defined in the [[OBD:TRIA|TRIA]] file (linked to from the same [[OBD:TRCM|TRCM]] file as the TRTA). | :The hierarchy of the bones (parents, children, siblings) is defined in the [[OBD:TRIA|TRIA]] file (linked to from the same [[OBD:TRCM|TRCM]] file as the TRTA). | ||
:If the (0°, 0°, 0°) orientation is set for every bone, then all the bones point along the | :If the (0°, 0°, 0°) orientation is set for every bone, then all the bones point along the X axis of the character (from right to left) and face upwards. | ||
:Viewed from above, you get something like this : "o" is a pivot ( | :Viewed from above, you get something like this : "o" is a pivot (yes, the shoulders are attached to the neck), and ":)" is a smiley :) | ||
14-o-13-o-12-o-11-o 3-o-2-o-1-o ^ z | |||
| | | | ^ | ||
:) | :)10-o-9-o-8-o-7-o-0 < < <^< < < | ||
| | | | x ^ | ||
18-o-17-o-16-o-15-o 6-o-5-o-4-o ^ | |||
;XYZ offsets | ;XYZ offsets | ||
:The | :The XYZ-offsets in the TRTA are offsets (aka "translations") of a ''bone'' relative to its ''parent'' in that system of coordinates (see above). | ||
:Thus they effectively specify the relative positions of the joints. | :Thus they effectively specify the relative positions of the joints. | ||
:Not sure how many different TRTA there are in Oni. Probably one for every major ONCC. | :Not sure how many different TRTA there are in Oni. Probably one for every major ONCC. |