private void fadeLayers()
{
model.fadeIndividualLayer("Spine", 0, 2f);
model.fadeIndividualLayer("Duramater", 0, 2f);
model.fadeIndividualLayer("Arachnoid", 0, 2f);
model.fadeIndividualLayer("Piamater", 0.5f, 2f);
}
private void stageSix()
{
//show needle move towards spine
modelManipulator.fadeIndividualLayer("Spine", 0f, timeS6 * 0.8f);
needle.moveSmooth(new Vector3(needle.getXPos(), 2.2f, needle.getZPos()), timeS6);
}