ArCore - ArKit Physics Scaling: How can I Make 1 Meter to 50 Unity Units?

Question

1 meter in real life is 1 unity unit.
This poses a huge challenge because games dont need to have real world size objects in games. you cant use an airplane with scale 1 to 1.
when you scale down the objects to 1 to 20 or 0.05 of their original size issues pop up in:
- Physics including Collision detection, wheel colliders and ray casting.
- Shadows and shadow quality.
- light backing.
Unity is not made for 1/20 scake or less games. but AR doesnt make sense for 1 to 1 scaling.

How can I make 1 Meter in real world into 50 unity units or 100?

Answer 1

Answer by hagenfilip · Jan 27 at 12:19 PM

Just putting the answer here as I had the opposite problem. You just need to adjust the scaling of the "AR Session Origin" gameObject. To make 1 real meter 50 unity units, then set the x,y,z scaling to 50 on this gameObject.

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ArCore - ArKit Physics Scaling: How can I Make 1 Meter to 50 Unity Units?

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