public float xyangle(Coord3f o) {
Coord3f c = o.sub(this);
if (c.x == 0) {
if (c.y < 0) {
return ((float) -PI / 2);
} else {
return ((float) PI / 2);
}
} else {
if (c.x < 0) {
if (c.y < 0) {
return ((float) (-PI + Math.atan(c.y / c.x)));
} else {
return ((float) (PI + Math.atan(c.y / c.x)));
}
} else {
return ((float) Math.atan(c.y / c.x));
}
}
}
public boolean equals2(Object o) {
if (!(o instanceof ED)) return (false);
ED e = (ED) o;
return ((t == e.t) && at.equals(e.at) && res.res.equals(e.res.res) && off.equals(e.off));
}
