/// <summary>
/// 球面坐标转直角坐标
/// </summary>
/// <param name="coord"></param>
/// <returns></returns>
public static RectangularCoordinatePoint ToRectangularCoordinatePoint(SphericalCoordinatePoint coord)
{
var x = GetXFromSphericalCoord(coord);
var y = GetYFromSphericalCoord(coord);
var z = GetZFromSphericalCoord(coord);
return new RectangularCoordinatePoint(x, y, z);
}
private static double GetZFromSphericalCoord(SphericalCoordinatePoint coord)
{
return coord.Radius * Math.Cos(coord.Theta);
}
private static double GetYFromSphericalCoord(SphericalCoordinatePoint coord)
{
return coord.Radius * Math.Sin(coord.Theta) * Math.Sin(coord.Phi);
}
/// <summary>
/// 复制坐标值到目标点
/// </summary>
/// <param name="target"></param>
public void CopyTo(SphericalCoordinatePoint target)
{
target.Radius = this.Radius;
target.Theta = this.Theta;
target.Phi = this.Phi;
}
/// <summary>
/// 从源点复制坐标值
/// </summary>
/// <param name="source"></param>
public void CopyFrom(SphericalCoordinatePoint source)
{
this.Radius = source.Radius;
this.Theta = source.Theta;
this.Phi = source.Phi;
}