SA.FullBodyIK.BodyIK._PrepareSpineBones C# (CSharp) Method

			static Bone[] _PrepareSpineBones( Bone[] bones )
			{
				if( bones == null || bones.Length != (int)BoneLocation.Max ) {
					Assert( false );
					return null;
				}

				int spineLength = 0;
				for( int i = (int)BoneLocation.Spine; i <= (int)BoneLocation.SpineU; ++i ) {
					if( bones[i] != null && bones[i].transformIsAlive ) {
						++spineLength;
					}
				}

				if( spineLength == 0 ) {
					return null;
				}

				Bone[] spineBones = new Bone[spineLength];
				int index = 0;
				for( int i = (int)BoneLocation.Spine; i <= (int)BoneLocation.SpineU; ++i ) {
					if( bones[i] != null && bones[i].transformIsAlive ) {
						spineBones[index] = bones[i];
						++index;
					}
				}

				return spineBones;
			}