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_BTMOTIONdetect

This function detect the motion between two bitmaps.

Prototype :

fun [ObjBitmap ObjBitmap I I] I

• ObjBitmap : the previous bitmap
• ObjBitmap : the current bitmap
• I : threshold of the detection filter
• I : sensivity (0 to 100)

Return : I 1 if a motion is detected, 0 if not otherwise NIL.

See also :

Example :