/// <summary>
/// Transforms a ray according to the inverse of this change matrix
/// </summary>
/// <param name="r">a ray</param>
/// <returns>a transformed ray</returns>
public Ray3D TransformFromCoordSys(Ray3D r)
{
var p = r.ThroughPoint;
var uv = r.Direction;
// The position and the vector are transformed
var point = this.BaseChangeMatrix.Invert().Transform(p) + this.OffsetToBase;
var direction = this.BaseChangeMatrix.Invert().Transform(uv);
return(new Ray3D(point, direction));
}
public Ray3D TransformFromCoordSys(Ray3D r)
{
var p = r.ThroughPoint;
var uv = r.Direction;
// positionen och vektorn transformeras
var point = this.BaseChangeMatrix.Invert().Transform(p) + this.OffsetToBase;
var direction = this.BaseChangeMatrix.Invert().Transform(uv);
return(new Ray3D(point, direction));
}
/// <summary>
/// Transforms a ray according to this change matrix
/// </summary>
/// <param name="r">a ray</param>
/// <returns>a transformed ray</returns>
public Ray3D TransformToCoordSys(Ray3D r)
{
var p = r.ThroughPoint;
var uv = r.Direction;
// The position and the vector are transformed
var baseChangeMatrix = this.BaseChangeMatrix;
var point = baseChangeMatrix.Transform(p) + this.OffsetToBase;
var direction = uv.TransformBy(baseChangeMatrix);
return(new Ray3D(point, direction));
}
public static Point3D IntersectionOf(Plane plane, Ray3D ray)
{
return(plane.IntersectionWith(ray));
}
/// <summary>
/// Transforms a ray and returns the transformed.
/// </summary>
/// <param name="ray">A ray</param>
/// <returns>A transformed ray</returns>
public Ray3D Transform(Ray3D ray)
{
return(new Ray3D(this.Transform(ray.ThroughPoint), this.Transform(ray.Direction)));
}