/**
* Calculate the projection of a point on the plane defined by counter-clockwise (CCW) points A,B,C.
*
* @param Point The point to project onto the plane
* @param A 1st of three points in CCW order defining the plane
* @param B 2nd of three points in CCW order defining the plane
* @param C 3rd of three points in CCW order defining the plane
* @return Projection of Point onto plane ABC
*/
public static FVector PointPlaneProject(FVector Point, FVector A, FVector B, FVector C)
{
//Compute the plane normal from ABC
FPlane Plane = new FPlane(A, B, C);
//Find the distance of X from the plane
//Add the distance back along the normal from the point
return(Point - Plane * Plane.PlaneDot(Point));
}
/**
* Calculate the projection of a point on the given plane.
*
* @param Point The point to project onto the plane
* @param Plane The plane
* @return Projection of Point onto Plane
*/
public static FVector PointPlaneProject(FVector Point, FPlane Plane)
{
return(Point - Plane * Plane.PlaneDot(Point));
}
/**
* Mirrors a vector about a plane.
*
* @param Plane Plane to mirror about.
* @return Mirrored vector.
*/
public FVector MirrorByPlane(FPlane Plane)
{
FPlane TempPlane = Plane * (2.0f * Plane.PlaneDot(this));
return(this - TempPlane);//new FVector(TempPlane.X,TempPlane.Y,TempPlane.Z);
}
