internal void Disegnati(Bitmap bmp, double[,] zBuffer, Camera camera)
{
if (Vertici.All(v => v.z < 0) || Vertici.Any(v => v == null) || !FacciaRivoltaATelecamera())
{
return;
}
GraphicsUnit u = GraphicsUnit.Pixel;
Point min = new Point(LimitaAViewport(camera, Vertici.Min(v => v.x)), LimitaAViewport(camera, Vertici.Min(v => v.y)));
Point max = new Point(LimitaAViewport(camera, Vertici.Max(v => v.x)), LimitaAViewport(camera, Vertici.Max(v => v.y)));
for (double x = min.X; x <= max.X; x++)
{
for (double y = min.Y; y <= max.Y; y++)
{
var p = new Point(x, y);
if (puntoInTriangolo(p))
{
int Xi = (int)Math.Round(p.X + (camera.Rx / 2.0));
int Yi = (int)Math.Round(-p.Y + (camera.Ry / 2.0));
if (bmp.GetBounds(ref u).Contains(Xi, Yi))
{
var z = CalcolaZ(p);
if (z > 0.1 && z < zBuffer[Xi, Yi])
{
bmp.SetPixel(Xi, Yi, colore);
zBuffer[Xi, Yi] = z;
}
}
}
}
}
}
double CalcolaZ(Point p)
{
int i = 0;
return(1 / Vertici.Sum(v => 1 / v.z * λ(i++, p)));
}
