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Hi friends, I am working on a PNGT+ model. My client requested to have the character tilt their head while idling, So my current plan is to make the body an animated sprite. This is only the first rough prototype, I plan to cut the model into parts: Body, 2 sets of arms poses (will be animated sprites), feet, tail, and 4 sets of expressions each has 3 states: idle, talking and blinking. I am mostly concerned about performance issues later in the project, so my Current problem is: 

- To make the faces syncs position with the head tilt while talking, I also have to make the faces into animated sprites. Results is shown later in the video. I tested this method yesterday and sometimes the sprites went out of sync. I also plan to add extra animation physics to other parts, so I need it to run smoothly. 

- If I want to only apply the tilt for idle state, I would have to double the amount of sprites. Like the idle state will have to have its own sets of face animated sprites tilting to match the body with head tilt animation, and in talking state I can have the parts all in frontal and normal PNG sprites. 

Is there a different way to execute this on PNGT+ Without adding so many sprites or can it be done easier in another program? Like I said I am mostly concerned with performance issues so I would like to optimize with the minimal amount of (animated) sprites as possible. I would really appreciate if anyone can give me advice. 

I will try to elaborate further if wording in some places aren't clear, English is not my first language so I'm sorry in advance.