Problem with letting an avatar face towards another avatar

[ghazanfar]

I am trying to let an avatar face towards another avatar, but i can't get it working.

I am trying to calculate the number of degrees that have to be rotated, using the difference between the x and z coordinates of the two avatars, but it gives wrong values, and i cannot find out why.

Can anyone help?


if(ag1=='a3' and ag2=='a1'):
pos=male1.get(viz.POSITION)
angpos=male1.get(viz.AXISANGLE)
pos2=male.get(viz.POSITION)
print "position",pos2
xdif = pos2[0] - pos[0]
zdif = pos2[2] - pos[2]
rotate_radians=math.atan(xdif/(zdif+0.0000001))
rotate_degrees = math.degrees(rotate_radians)
rotate_degrees -= angpos[3]
male1.rotate(0,1,0,rotate_degrees)
male1.act(6)