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 List <MathPlane> GetPlanes(this MathCube cube)
{
var rtn = new Vector3(cube.Right, cube.Top, cube.Near);
var lbf = new Vector3(cube.Left, cube.Bottom, cube.Far);
var xN = new Vector3(1, 0, 0);
var yN = new Vector3(0, 1, 0);
var zN = new Vector3(0, 0, 1);
var list = new List <MathPlane>();
list.Add(new MathPlane()
{
Normal = xN, Point = rtn
});
list.Add(new MathPlane()
{
Normal = xN, Point = lbf
});
list.Add(new MathPlane()
{
Normal = yN, Point = rtn
});
list.Add(new MathPlane()
{
Normal = yN, Point = lbf
});
list.Add(new MathPlane()
{
Normal = zN, Point = rtn
});
list.Add(new MathPlane()
{
Normal = zN, Point = lbf
});
return(list);
}
