37 lines
1.1 KiB
C#
37 lines
1.1 KiB
C#
namespace SpaceGame.Api.Shared.Runtime;
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public readonly record struct Vector3(float X, float Y, float Z)
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{
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public static Vector3 Zero => new(0f, 0f, 0f);
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public float DistanceTo(Vector3 other)
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{
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var dx = X - other.X;
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var dy = Y - other.Y;
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var dz = Z - other.Z;
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return MathF.Sqrt((dx * dx) + (dy * dy) + (dz * dz));
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}
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public float LengthSquared() => (X * X) + (Y * Y) + (Z * Z);
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public Vector3 MoveToward(Vector3 target, float maxDistance)
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{
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var delta = target.Subtract(this);
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var distance = MathF.Sqrt(delta.LengthSquared());
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if (distance <= 0.0001f || distance <= maxDistance)
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{
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return target;
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}
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var scale = maxDistance / distance;
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return new Vector3(
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X + (delta.X * scale),
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Y + (delta.Y * scale),
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Z + (delta.Z * scale));
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}
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public Vector3 Subtract(Vector3 other) => new(X - other.X, Y - other.Y, Z - other.Z);
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public Vector3 Divide(float scalar) => MathF.Abs(scalar) <= 0.0001f ? Zero : new Vector3(X / scalar, Y / scalar, Z / scalar);
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}
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