/// <summary>
/// Inersection of plane with line
/// </summary>
/// <param name="line"></param>
/// <param name="inter"></param>
/// <returns>true if intersection exists</returns>
public bool intersectLine(Geom3DLine line, Geom3DVector inter)
{
float q = normal.x * (origin.x - line.point.x) + normal.y * (origin.y - line.point.y) + normal.z * (origin.z - line.point.z);
float d = normal.x * line.dir.x + normal.y * line.dir.y + normal.z * line.dir.z;
if (d == 0)
{
inter.x = inter.y = inter.z = 0;
return false;
}
float r = q / d;
inter.x = line.point.x + r * line.dir.x;
inter.y = line.point.y + r * line.dir.y;
inter.z = line.point.z + r * line.dir.z;
return true;
}
/// <summary>
/// Inersection of plane with line
/// </summary>
/// <param name="line"></param>
/// <param name="inter"></param>
/// <returns>true if intersection exists</returns>
public bool intersectLine(Geom3DLine line, Geom3DVector inter)
{
float q = normal.x * (origin.x - line.point.x) + normal.y * (origin.y - line.point.y) + normal.z * (origin.z - line.point.z);
float d = normal.x * line.dir.x + normal.y * line.dir.y + normal.z * line.dir.z;
if (d == 0)
{
inter.x = inter.y = inter.z = 0;
return(false);
}
float r = q / d;
inter.x = line.point.x + r * line.dir.x;
inter.y = line.point.y + r * line.dir.y;
inter.z = line.point.z + r * line.dir.z;
return(true);
}
