1 Goat3D animation file format

2 ----------------------------

3

4 Chunk structure

5 ---------------

6 Multiple tracks might apply to the same node, to allow for different

7 interpolation, extrapolation, and time ranges between position, rotation, and

8 scaling tracks.

9

10 ANIM

11 +--ANIM_NAME

12 | +--<STRING>

13 +--TRACK

14 +--TRACK_NAME

15 | +--<STRING>

16 +--TRACK_NODE

17 | +--<STRING> (name of the scene node using this track)

18 +--TRACK_ATTR

19 | +--<STRING> (specify the attribute affected, see NOTE1)

20 +--TRACK_INTERP

21 | +--<STRING> ("step", "linear", "cubic")

22 +--TRACK_EXTRAP

23 | +--<STRING> ("extend", "clamp", "repeat", "pingpong")

24 +--TRACK_KEY

25 +--TRACK_KEY_TIME

26 | +--<INT> (time in milliseconds)

27 +--TRACK_KEY_VALUE

28 +--<FLOAT|FLOAT3|FLOAT4>

29

30 NOTE1: The attribute might be any user-defined string, but the following

31 standard attribute names are specified:

32 - "position" keys are (x,y,z) vectors

33 - "rotation" keys are (x,y,z,w) quaternions, with w being the real part

34 - "scaling" keys are (x,y,z) scale factors