move buffer object generation to Geometry ctor.

otherwise memory leak

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
fix Log flag issue

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
remove duplicated code

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
just function name change

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
change setUpdateFlag API

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
bone transform combing process implemented

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
add update interface, change setUpdateFlag interface

update interface is used to give another to do animation before
rendering occurs; setUpdateFlag interface changed to allow
selection w/o recursive traversal.

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
cpu vertex skining implemented, WIP

change vertex buffer and upload it to GPU each frame

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
add some empty function in Transform class

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
copy the forgotten mOffsetMatrix to Bone

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>
normal buffer transformed

Signed-off-by: Wayne Wolf <wayne.ron.wu@googlemail>