blender_anim_form_pos.py

import os
from math import sin, cos
import bpy
from mathutils import Matrix

def matrix(yaw, pitch, roll, x, y, z):
    # from pom-genom/libeuler/pomEuler.c:287 (pomWriteSensorPos)
    # euler.{yaw,pitch,roll,x,y,z}
    ca, sa = cos(yaw),   sin(yaw)
    cb, sb = cos(pitch), sin(pitch)
    cg, sg = cos(roll),  sin(roll)
    return [[ ca*cb, ca*sb*sg - sa*cg, ca*sb*cg + sa*sg, x],
            [ sa*cb, sa*sb*sg + ca*cg, sa*sb*cg - ca*sg, y],
            [ -sb, cb*sg, cb*cg, z],
            [ 0.0, 0.0, 0.0, 1.0]]

n = 0
patern = 'cloud.%05i.pos'
while os.path.isfile(patern%n):
    with open(patern%n) as f:
        lines = f.readlines()
    parser = lambda label: matrix(*map(float, [line for line in lines \
        if line.startswith(label)][0].strip().split()[2:]))
    bpy.context.scene.frame_set(n)
    bpy.context.active_object.matrix_world = Matrix(parser('mainToOrigin = '))
    bpy.ops.anim.keyframe_insert(type='LocRotScale', confirm_success=True)
    n+=1