4 ms·
I think you still need to know where the phone is located on Earth to compute the normal vector (i.e. where is up ?)
by thrance 3y ago
I think you still need to know where the phone is located on Earth to compute the normal vector (i.e. where is up ?)
- swyx 3y agoexactly this. GP hasn't internalized what it means to have a non-geocentric mental model of the galaxy. we are but a speck on an arm on a not-particularly significant little cluster of fireballs
- quickthrower2 3y agoAn analogy would be the centre circle of a soccer field. Walk around it but always face outwards. Now as you do that point to a city 100 miles away. Insignificant circle but…
- genmon 3y agoThat's it exactly. You need the lat/long, time+date, and device orientation in order to float the arrow