public float computeLength() {
return FMath.sqrt(x * x + y * y);
}
public float manhattan(Vector2 v) {
return FMath.abs(x - v.x) + FMath.abs(y - v.y);
}
public float normalize_ip() {
float l = FMath.sqrt(x * x + y * y);
x /= l;
y /= l;
return l;
}
public float distance(Vector2 v) {
return FMath.sqrt((x - v.x) * (x - v.x) + (y - v.y) * (y - v.y));
}
public void setFromAngle(float a) {
x = FMath.cos(a);
y = FMath.sin(a);
}
