public static bool IsCross(this MathPlane plane, MathLine line, ref Vector3 position)
{
var dot = Vector3.Dot(plane.Normal, line.Direction);
bool result = dot != 0;
if (result)
{
var d = Vector3.Dot(plane.GetPointOnPlane() - line.Point, plane.Normal) / dot;
position = d * line.Direction + line.Point;
}
return(result);
}
public static bool IsCross(this MathCube cube, MathLine line, List <Vector3> postionList)
{
var planeList = cube.GetPlanes();
var position = new Vector3();
bool result = false;
foreach (var plane in planeList)
{
if (plane.IsCross(line, ref position))
{
postionList.Add(position);
result = true;
}
}
return(result);
}
public static Vector3 GetPointOnLine(this MathLine line)
{
return(line.Point + (float)MathTool.Random() * line.Direction);
}
public static MathLine CreateLine(Vector3 v1, Vector3 v2)
{
MathLine line = new MathLine();
return(line);
}
