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bvh export now works correctly with matrix multiplications and rad -> deg.

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This commit is contained in:
Campbell Barton 2011-01-01 08:57:09 +00:00
parent e98559fc12
commit 631745ab9b
1 changed files with 16 additions and 6 deletions
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22
release/scripts/op/io_anim_bvh/export_bvh.py
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@ -23,7 +23,7 @@
import bpy
from mathutils import Matrix, Vector
from math import degrees
def bvh_export(filepath, obj, pref_startframe, pref_endframe, pref_scale=1.0):
@ -197,26 +197,36 @@ def bvh_export(filepath, obj, pref_startframe, pref_endframe, pref_scale=1.0):
triple = "%.6f %.6f %.6f "
for frame in range(pref_startframe, pref_endframe + 1):
scene.frame_set(frame)
obj.update(scene, 1,1,1)
scene.update()
for dbone in bones_decorated:
dbone.update_posedata()
for dbone in bones_decorated:
if dbone.parent:
trans = Matrix.Translation(dbone.rest_bone.head_local)
itrans = Matrix.Translation(-dbone.rest_bone.head_local)
mat2 = dbone.rest_arm_imat * dbone.pose_mat * dbone.parent.pose_imat * dbone.parent.rest_arm_mat
mat2 = trans * mat2 * itrans
# mat2 = dbone.rest_arm_imat * dbone.pose_mat * dbone.parent.pose_imat * dbone.parent.rest_arm_mat
# mat2 = trans * mat2 * itrans
mat2 = dbone.parent.rest_arm_mat * dbone.parent.pose_imat * dbone.pose_mat * dbone.rest_arm_imat
mat2 = itrans * mat2 * trans
myloc = mat2.translation_part() + (dbone.rest_bone.head_local - dbone.parent.rest_bone.head_local)
rot = mat2.copy().transpose().to_euler()
else:
trans = Matrix.Translation(dbone.rest_bone.head_local)
itrans = Matrix.Translation(-dbone.rest_bone.head_local)
mat2 = dbone.rest_arm_imat * dbone.pose_mat
mat2 = trans * mat2 * itrans
# mat2 = dbone.rest_arm_imat * dbone.pose_mat
# mat2 = trans * mat2 * itrans
mat2 = dbone.pose_mat * dbone.rest_arm_imat
mat2 = itrans * mat2 * trans
myloc = mat2.translation_part() + dbone.rest_bone.head_local
rot = mat2.copy().transpose().to_euler()
file.write(triple % (myloc[0] * pref_scale, myloc[1] * pref_scale, myloc[2] * pref_scale))
file.write(triple % (-rot[0], -rot[1], -rot[2]))
file.write(triple % (-degrees(rot[0]), -degrees(rot[1]), -degrees(rot[2])))
file.write("\n")