Website animation moving point in x,y,z axis triangulation

Hi freelancers, I need some web site animation that I have 3 or more fixed points than a moving one is dependent on values that come from 3 fixed points Like for example -20,-45,-20 the bigger the number, more close to point For example all 3 equals like -30,-30,-30 the point is in center because receive same signal for all. Pm me for any question Best regards, Vitor