| IBackgroundModifier | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| IBackgroundModifier.IBackgroundModifierListener | |
| LoopBackgroundModifier.ILoopBackgroundModifierListener | |
| SequenceBackgroundModifier.ISubSequenceBackgroundModifierListener |
| ColorBackgroundModifier | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| LoopBackgroundModifier | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| ParallelBackgroundModifier | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |
| SequenceBackgroundModifier | (c) 2010 Nicolas Gramlich (c) 2011 Zynga Inc. |