[1.0.0] Spidertron does not walk in a straight line.

[NotRexButCaesar]

When building a line of belts, the easiest way to make a straight line is to walk while placing belts. However, if one rides in a spidertron and tries to place belts this way without being careful to center his cursor, the wobbly way that the spidertron walks can result in belts sometimes being shifted over by a tile.

This is very annoying when it happens.

[kovarex]

Hello, this is caused by the randomness of target selection of the legs, which have been reduced for 1.1