Function Central for vctrans vapoursynth Plugin

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Central

The transition from Clip A to Clip B occurs as either B emerges from center of A or A disappears in center of B. During this the frame may rotate and get resized or cropped

## trans.Central(clip, clipb clip[, float overlap = 1.0 ][,int nturns = 0][,int emerge = 1][,int resize = 1])

Parameter description:
clip : A clip. Constant format.
clipb : B clip. Must have identical format of A clip
overlap : transition time length in seconds. Floating point. Must correspond to at least 8 frames for each turn
nturns : number of full rotations the frame makes during transition. Each turn must be over at least 8 frames.Negative number reverses rotation direction.
emerge : if 1: B emerges from within A. If 0: A disappears within B
resize : if 1 :Frame will be resized or if set to 0: cropped to fit.
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