Take all drawn lines, after they’re created store them in a list of vector lines

When the eraser is activated, search through all vector lines in the array, then iterate all points in the point arrays.

If the distance between the point and the mouse is less than some value then

check if the item index in the array is odd, if it is odd then set it to vector.zero.
then set the index – 1 to vector.zero.

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