new-horizons/NewHorizons/Components/Volumes/SphericalFluidVolume.cs

using UnityEngine;

namespace NewHorizons.Components.Volumes
{
    public class SphericalFluidVolume : FluidVolume
    {
        public float radius;

        public virtual void OnValidate()
        {
            SphereCollider collider = GetComponent<SphereCollider>();
            if (collider != null) collider.radius = radius;

            SphereShape shape = GetComponent<SphereShape>();
            if (shape != null) shape.radius = radius;
        }

        public override bool IsSpherical() => true;

        public override float GetFractionSubmerged(FluidDetector detector) => detector.GetBuoyancyData().CalculateSubmergedFraction((detector.transform.position - transform.position).magnitude, radius);

        public virtual void OnDrawGizmosSelected()
        {
            Gizmos.color = Color.cyan;
            Gizmos.DrawWireSphere(transform.position, radius);
        }
    }
}