71 lines
1.6 KiB
C#
71 lines
1.6 KiB
C#
namespace RobloxFiles.DataTypes
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{
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public class Ray
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{
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public readonly Vector3 Origin;
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public readonly Vector3 Direction;
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public override string ToString() => $"{{{Origin}}}, {{{Direction}}}";
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public Ray Unit
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{
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get
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{
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Ray unit;
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if (Direction.Magnitude == 1.0f)
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unit = this;
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else
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unit = new Ray(Origin, Direction.Unit);
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return unit;
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}
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}
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public Ray(Vector3 origin = null, Vector3 direction = null)
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{
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Origin = origin ?? new Vector3();
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Direction = direction ?? new Vector3();
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}
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public Vector3 ClosestPoint(Vector3 point)
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{
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Vector3 result = Origin;
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float dist = Direction.Dot(point - result);
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if (dist >= 0)
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result += (Direction * dist);
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return result;
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}
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public float Distance(Vector3 point)
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{
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Vector3 closestPoint = ClosestPoint(point);
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return (point - closestPoint).Magnitude;
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}
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public override bool Equals(object obj)
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{
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if (!(obj is Ray other))
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return false;
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if (!Origin.Equals(other.Origin))
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return false;
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if (!Direction.Equals(other.Direction))
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return false;
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return true;
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}
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public override int GetHashCode()
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{
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int hash = Origin.GetHashCode()
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^ Direction.GetHashCode();
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return hash;
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}
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}
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}
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