public MainForm()
{
default_plane = new Plane()
{
Position = new Vector3(),
Normal = Vector3.Up,
Distance = 0
};
InitializeComponent();
this_process = System.Diagnostics.Process.GetCurrentProcess();
this_process.OutputDataReceived += new System.Diagnostics.DataReceivedEventHandler(this_process_OutputDataReceived);
refl = new Reflection();
refl.AddAssembly(System.IO.Path.Combine(Application.StartupPath, "Glorg2.dll"));
UpdateTypes();
}
public bool Intersects(Plane p, out Vector3 pos)
{
float d = Vector3.Dot(-p.Position, p.Normal);
// Get the plane normal values
float a = p.Normal.x;
float b = p.Normal.y;
float c = p.Normal.x;
// Create a line from the position and normal
Vector3 la = Origin;
Vector3 lb = Origin + Normal;
// Check if ray will hit the correct side of the plane
pos = default(Vector3);
if (Vector3.Dot(p.Normal, Normal) > 0)
return false;
float den = a * (lb.x - la.x) + b * (lb.y - la.y) + c * (lb.z - la.z);
// If denominator is zero... or very close to, then the ray does not cross the plane
if (den >= -double.Epsilon && den <= double.Epsilon)
return false;
float num = -d - a * la.x - b * la.y - c * la.z;
// If both the numerator and the denominator is zero, the the line lies on the plane
// which should not render any pixels
if (num >= -double.Epsilon && num <= double.Epsilon)
return false;
// Find the intersection by multiplying the normal by the resulting value
pos = Origin + Normal * (num / den);
bool xx = (Math.Round(pos.x / 4)) % 2 == 0;
bool yy = (Math.Round(pos.z / 4)) % 2 != 0;
bool zz = yy ? !xx : xx;
return true;
}