public static Bitmap drawObjectXZ(Object3D obj, Bitmap b)
{
int x1, x2, y1, y2;
BitmapData bdma = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
foreach (Face f in obj.getFaces())
{
for (int i = 0; i < f.getVertexs().Count - 1; i++)
{
x1 = (int)(330 + obj.getActuals()[f.getVertexs()[i]].getX());
y1 = (int)(250 + obj.getActuals()[f.getVertexs()[i]].getZ());
x2 = (int)(330 + obj.getActuals()[f.getVertexs()[i + 1]].getX());
y2 = (int)(250 + obj.getActuals()[f.getVertexs()[i + 1]].getZ());
GraphicPrimitives.bresenham(bdma, x1, y1, x2, y2);
}
x1 = (int)(330 + obj.getActuals()[f.getVertexs()[f.getVertexs().Count - 1]].getX());
y1 = (int)(250 + obj.getActuals()[f.getVertexs()[f.getVertexs().Count - 1]].getZ());
x2 = (int)(330 + obj.getActuals()[f.getVertexs()[0]].getX());
y2 = (int)(250 + obj.getActuals()[f.getVertexs()[0]].getZ());
GraphicPrimitives.bresenham(bdma, x1, y1, x2, y2);
}
b.UnlockBits(bdma);
return(b);
}
private static void desenha(Object3D obj, Face f, BitmapData bdma)
{
int x1, x2, y1, y2;
for (int i = 0; i < f.getVertexs().Count - 1; i++)
{
x1 = (int)(330 + obj.getActuals()[f.getVertexs()[i]].getX());
y1 = (int)(250 + obj.getActuals()[f.getVertexs()[i]].getY());
x2 = (int)(330 + obj.getActuals()[f.getVertexs()[i + 1]].getX());
y2 = (int)(250 + obj.getActuals()[f.getVertexs()[i + 1]].getY());
GraphicPrimitives.bresenham(bdma, x1, y1, x2, y2);
}
x1 = (int)(330 + obj.getActuals()[f.getVertexs()[f.getVertexs().Count - 1]].getX());
y1 = (int)(250 + obj.getActuals()[f.getVertexs()[f.getVertexs().Count - 1]].getY());
x2 = (int)(330 + obj.getActuals()[f.getVertexs()[0]].getX());
y2 = (int)(250 + obj.getActuals()[f.getVertexs()[0]].getY());
GraphicPrimitives.bresenham(bdma, x1, y1, x2, y2);
}
public static void phong(List <Vertex> lv, Color cor, BitmapData b)
{
int y = 0;
double ymin = lv[0].getY(), ymax = lv[0].getY(), xmin = 0, primy, incx = 0;
Vertex p1, p2;
Color color = Color.FromArgb(cor.ToArgb());
for (int i = 1; i < lv.Count; i++)
{
if (ymin > lv[i].getY())
{
ymin = lv[i].getY();
}
if (ymax < lv[i].getY())
{
ymax = lv[i].getY();
}
}
primy = ymin;
List <NoScan>[] et = new List <NoScan> [(int)(ymax - ymin + 1)];
for (int i = 0; i < (int)(ymax - ymin + 1); i++)
{
et[i] = new List <NoScan>();
}
for (int i = 1; i < lv.Count; i++)
{
p1 = lv[i - 1];
p2 = lv[i];
if (p1.getY() != p2.getY())
{
if (p1.getY() < p2.getY())
{
ymin = p1.getY();
ymax = p2.getY();
xmin = p1.getX();
}
else
{
ymin = p2.getY();
ymax = p1.getY();
xmin = p2.getX();
}
incx = (double)(p2.getX() - p1.getX()) / (p2.getY() - p1.getY());
et[(int)(ymin - primy)].Add(new NoScan(ymax, xmin, incx));
}
}
p1 = lv[0];
p2 = lv[lv.Count - 1];
if (p1.getY() != p2.getY())
{
if (p1.getY() < p2.getY())
{
ymin = p1.getY();
ymax = p2.getY();
xmin = p1.getX();
}
else if (p1.getY() > p2.getY())
{
ymin = p2.getY();
ymax = p1.getY();
xmin = p2.getX();
}
incx = (double)(p2.getX() - p1.getX()) / (p2.getY() - p1.getY());
et[(int)(ymin - primy)].Add(new NoScan(ymax, xmin, incx));
}
List <NoScan> aet = et[y];
while (y < et.Length)
{
for (int i = 0; i < aet.Count; i++)
{
if (y + primy == aet[i].Ymax)
{
aet.RemoveAt(i);
}
}
aet.Sort((o1, o2) => o1.Xmin.CompareTo(o2.Xmin));
for (int i = 1; i < aet.Count; i += 2)
{
GraphicPrimitives.bresenham(b, (int)aet[i - 1].Xmin, (int)(y + primy), (int)aet[i].Xmin, (int)(y + primy));
}
for (int i = 0; i < aet.Count; i++)
{
aet[i].Xmin += aet[i].Incx;
}
y++;
if (y < et.Length)
{
for (int pos2 = 0; pos2 < et[y].Count; pos2++)
{
aet.Add(et[y][pos2]);
}
}
}
}
