public default float distanceTo(XYZ v) {
if (v != null) {
final float dx = x() - v.x();
final float dy = y() - v.y();
final float dz = z() - v.z();
return (float) Math.sqrt(dx * dx + dy * dy + dz * dz);
} else {
return Float.NaN;
}
}
public default XYZ interpolateTo(XYZ v, float f, InterpolateStrategy s) {
return new Vec3D(
s.interpolate(x(), v.x(), f), s.interpolate(y(), v.y(), f), s.interpolate(z(), v.z(), f));
}
public default Vec3D sub(XYZ v) {
return new Vec3D(x() - v.x(), y() - v.y(), z() - v.z());
}
public default XYZ interpolateTo(XYZ v, float f) {
return new Vec3D(x() + (v.x() - x()) * f, y() + (v.y() - y()) * f, z() + (v.z() - z()) * f);
}