getPrev method

ColladaKeyFrame? getPrev(
  1. List<ColladaKeyFrame> keyframes,
  2. int i,
  3. dynamic property
)

Implementation

ColladaKeyFrame? getPrev(List<ColladaKeyFrame> keyframes, int i, property ) {
  while ( i >= 0 ) {
    final keyframe = keyframes[ i ];
    if ( keyframe.value[ property ] != null ) return keyframe;
    i--;
  }
  return null;
}