EffectSwirl AviSynth Plugin

# EffectSwirl

EffectSwirl swirls the image centered at the specified coordinates and up to a given maximum radius. The swirl starts from zero, increases to full size to full in the first 1/3 of frames, remains at this size for the next 1/3 and reduces to zero in the last 1/3 length of effect. Step gives control of the fineness of the detail. The finer the step the slower is processing. RGB32, RGB24, YUY2 and YV12 color formats only are supported at this time.

Details of parameters
Description | Name | Type | Limits | Default
clip |  | clip |  | none
Effect start frame number | sf | Integer | within clip | first frame
Effect end frame number | ef | Integer | within clip | last frame
direction of swirl | dir | string | "clock" or "anti" | "clock"
maximum radius of swirl | rmax | integer | 8 or more | 1/2 of diagonal
coarseness step of swirl | step | integer | 4 to 64 | 8
x coordinate of the swirl center | x | integer | in frame | mid frame
y coordinate of the swirl center | y | integer | in frame | mid frame

#Usage examples:-

    Effectswirl(last,51,150, "anti",120, 12,160,200)
    #For frame centered full radius using defaults :
    EffectSwirl(last,51,150)
    #Other:
    EffectSwirl(last,51,150, step=4)
    EffectSwirl(last,51,150,rmax=100,x=120)

Image with effect :

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