Function Door for vctrans vapoursynth Plugin

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Door

The transition from Clip A to Clip B occurs as either Twin doors of A opening or of B closing. Doors may be either vertical or horizontal

## trans.Door(clip, clipb clip[, float overlap = 1.0 ][, int open = 1][,int vert = 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
open : If set to 1, doors open to reveal B. If set to 0, Doors of B close over A
vert : if 1: vertical doors. If 0: Horizontal doors
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