namespace Yw.WinFrmUI.Hydro
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{
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/// <summary>
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///
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/// </summary>
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public class PointL3d
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{
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/// <summary>
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///
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/// </summary>
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public PointL3d() { }
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/// <summary>
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///
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/// </summary>
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public PointL3d(float value)
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{
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this.X = value;
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this.Y = value;
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this.Z = value;
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}
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/// <summary>
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///
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/// </summary>
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public PointL3d(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 PointL3d(double value)
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{
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var fValue = (float)value;
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this.X = fValue;
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this.Y = fValue;
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this.Z = fValue;
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}
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/// <summary>
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///
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/// </summary>
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public PointL3d(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 PointL3d(PointL3d 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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public float X { get; set; }
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/// <summary>
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/// y
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/// </summary>
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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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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(PointL3d 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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/// 长度
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/// </summary>
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public float Length => MathF.Sqrt(X * X + Y * Y + Z * Z);
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/// <summary>
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/// 缩放到单位长度
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/// </summary>
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public void Normalize()
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{
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var length = Length;
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if (length > 0)
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{
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float num = 1f / Length;
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X *= num;
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Y *= num;
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Z *= num;
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}
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}
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/// <summary>
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/// 缩放到单位长度
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/// </summary>
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public PointL3d Normalized()
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{
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var result = this;
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result.Normalize();
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return result;
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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 PointL3d operator -(PointL3d a, PointL3d b)
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{
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return new PointL3d(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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/// +运算
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/// </summary>
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public static PointL3d operator +(PointL3d a, PointL3d b)
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{
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return new PointL3d(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(PointL3d a, PointL3d 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 PointL3d CrossProduct(PointL3d a, PointL3d b)
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{
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return new PointL3d(
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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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/// <summary>
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/// 返回从相应分量中的最小值创建的向量
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/// </summary>
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public static PointL3d ComponentMin(PointL3d a, PointL3d b)
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{
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a.X = ((a.X < b.X) ? a.X : b.X);
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a.Y = ((a.Y < b.Y) ? a.Y : b.Y);
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a.Z = ((a.Z < b.Z) ? a.Z : b.Z);
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return a;
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}
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/// <summary>
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/// 返回从相应分量中最大的一个创建的向量
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/// </summary>
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public static PointL3d ComponentMax(PointL3d a, PointL3d b)
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{
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a.X = ((a.X > b.X) ? a.X : b.X);
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a.Y = ((a.Y > b.Y) ? a.Y : b.Y);
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a.Z = ((a.Z > b.Z) ? a.Z : b.Z);
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return a;
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}
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}
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}
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