71 lines
1.4 KiB
C#
71 lines
1.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using Godot;
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namespace Rokojori
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{
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public class Sphere
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{
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public Vector3 center = Vector3.Zero;
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public float radius = 1;
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public Sphere( Vector3 center, float radius )
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{
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this.center = center;
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this.radius = radius;
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}
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public Sphere(){}
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public Sphere Create( Vector3 center, float radius )
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{
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var sphere = new Sphere();
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sphere.center = center;
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sphere.radius = radius;
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return sphere;
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}
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public Sphere Copy()
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{
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return new Sphere( center, radius );
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}
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public float DistanceToPoint( Vector3 point )
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{
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return Mathf.Max( 0, ( point - center ).Length() - radius );
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}
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public bool ContainsPoint( Vector3 point )
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{
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return DistanceToPoint( point ) <= 0;
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}
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public float DistanceToSphere( Sphere sphere )
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{
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var distance = sphere.center - center;
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var radiusBoth = sphere.radius + radius;
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return Mathf.Max( 0, distance.Length() - radiusBoth );
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}
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public bool IntersectsSphere( Sphere sphere )
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{
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return DistanceToSphere( sphere ) <= 0;
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}
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public Box3 CreateBox()
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{
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var offset = radius * Vector3.One;
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return Box3.Create( center -offset, center + offset );
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}
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public static Sphere ContainingBox( Box3 box )
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{
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return new Sphere( box.center, box.maxDistance / 2f );
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}
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}
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}
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