namespace Yw.WinFrmUI.HydroL3d
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{
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/// <summary>
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///
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/// </summary>
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[TypeConverter(typeof(PropertySorter))]
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public class Point3d
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{
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/// <summary>
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///
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/// </summary>
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public Point3d() { }
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/// <summary>
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///
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/// </summary>
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public Point3d(float x, float y, float z)
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{
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this.X = x;
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this.Y = y;
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this.Z = z;
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}
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/// <summary>
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///
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/// </summary>
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public Point3d(double x, double y, double z)
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{
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this.X = (float)x;
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this.Y = (float)y;
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this.Z = (float)z;
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}
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/// <summary>
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///
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/// </summary>
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public Point3d(Point3d rhs)
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{
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this.X = rhs.X;
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this.Y = rhs.Y;
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this.Z = rhs.Z;
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}
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/// <summary>
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/// x
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/// </summary>
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[DisplayName("X")]
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[PropertyOrder(1)]
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public float X { get; set; }
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/// <summary>
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/// y
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/// </summary>
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[DisplayName("Y")]
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[PropertyOrder(2)]
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public float Y { get; set; }
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/// <summary>
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/// z
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/// </summary>
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[DisplayName("Z")]
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[PropertyOrder(3)]
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public float Z { get; set; }
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/// <summary>
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/// 是否无效
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/// </summary>
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public bool InValid()
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{
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if (this.X.Invalid())
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{
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return true;
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}
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if (this.Y.Invalid())
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{
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return true;
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}
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if (this.Z.Invalid())
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{
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return true;
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}
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return false;
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}
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/// <summary>
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/// 是否有效
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/// </summary>
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public bool Valid()
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{
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return !InValid();
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}
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/// <summary>
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/// 距离
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/// </summary>
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public float Distance(Point3d other)
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{
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if (other == null)
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{
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return default;
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}
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return MathF.Sqrt(MathF.Pow(this.X - other.X, 2) + MathF.Pow(this.Y - other.Y, 2) + MathF.Pow(this.Z - other.Z, 2));
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}
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/// <summary>
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///
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/// </summary>
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public float LengthSquared()
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{
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return X * X + Y * Y + Z * Z;
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}
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/// <summary>
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///
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/// </summary>
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public float Length()
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{
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return (float)Math.Sqrt(LengthSquared());
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}
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/// <summary>
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///
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/// </summary>
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public void Normalize()
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{
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float length = Length();
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if (length > 0)
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{
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X /= length;
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Y /= length;
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Z /= length;
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}
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}
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/// <summary>
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/// - 运算
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/// </summary>
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public static Point3d operator -(Point3d a, Point3d b)
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{
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return new Point3d(a.X - b.X, a.Y - b.Y, a.Z - b.Z);
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}
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/// <summary>
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///
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/// </summary>
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public static float DotProduct(Point3d a, Point3d b)
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{
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return a.X * b.X + a.Y * b.Y + a.Z * b.Z;
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}
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/// <summary>
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///
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/// </summary>
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public static Point3d CrossProduct(Point3d a, Point3d b)
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{
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return new Point3d(
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a.Y * b.Z - a.Z * b.Y,
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a.Z * b.X - a.X * b.Z,
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a.X * b.Y - a.Y * b.X);
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}
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}
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}
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