void Update()
{
if (a.CollidesWith(b))
{
a.GetComponent <MeshRenderer>().material.color = Color.red;
b.GetComponent <MeshRenderer>().material.color = Color.red;
Vector3 fix = a.FindFix(b);
a.ApplyFix(fix);
}
else
{
a.GetComponent <MeshRenderer>().material.color = Color.green;
b.GetComponent <MeshRenderer>().material.color = Color.green;
}
}