rendered paste body void TransformToScreen(Polygon p)
{
Vector[] newPoints = new Vector[3];
double r;
for (int i = 0; i < p.Points.Length; i++)
{
r = (Cam.Distance) / (p.Points[i].Z - Cam.Location.Z);
if (r > 1 || r <= 0) //muss noch in per pixel geändert werden
{
for (int j = 0; j < p.Points.Length; j++)
{
newPoints[j] = new Vector(0, 0, 0);
}
break;
}
newPoints[i] = new Vector((int)((double)Cam.Location.X + r * (double)(p.Points[i].X - Cam.Location.X) + Width / 2), (int)((double)Cam.Location.Y + r * (double)(p.Points[i].Y - Cam.Location.Y) + Height / 2), (p.Points[i] - Cam.Location).Abs());//Math.Sqrt(Math.Pow(Cam.Location.x - p.Points[i].x, 2) + Math.Pow(Cam.Location.y - p.Points[i].y, 2) + Math.Pow(Cam.Location.z - p.Points[i].z, 2)));
}
p.TransformedPoints = newPoints;
}
public void DrawPolygon(Polygon p, Graphics g)
{
if (Wireframe)
g.DrawPolygon(new Pen(Brushes.Black), p.Points2D());
else
{
double v;
double w;
p.Depth = new double[Width, Height];
int MinX = (int)Math.Max(0, Math.Min(p.TransformedPoints[0].X, Math.Min(p.TransformedPoints[1].X, p.TransformedPoints[2].X)));
int MinY = (int)Math.Max(0, Math.Min(p.TransformedPoints[0].Y, Math.Min(p.TransformedPoints[1].Y, p.TransformedPoints[2].Y)));
int MaxX = (int)Math.Min(Width, Math.Max(p.TransformedPoints[0].X, Math.Max(p.TransformedPoints[1].X, p.TransformedPoints[2].X)));
int MaxY = (int)Math.Min(Height, Math.Max(p.TransformedPoints[0].Y, Math.Max(p.TransformedPoints[1].Y, p.TransformedPoints[2].Y)));
if (MaxX > MinX && MaxY > MinY)
{
BufferTest = new Bitmap(MaxX - MinX, MaxY - MinY);
Graphics BufferGraphics = Graphics.FromImage(BufferTest);
BufferGraphics.FillPolygon(Brushes.White, p.Points2D(MinX, MinY));
for (int x = MinX; x < MaxX; x++)
{
for (int y = MinY; y < MaxY; y++)
{
//MessageBox.Show("x: " + x + "y: " + y + "Color: " + BufferTest.GetPixel(x - MinX, y - MinY).ToString());
if (BufferTest.GetPixel(x - MinX, y - MinY).A == 255)//(p.TransformedPoints[1].X - p.TransformedPoints[0].X) != 0 && ((p.TransformedPoints[1].Y - p.TransformedPoints[0].Y) * (p.TransformedPoints[1].X - p.TransformedPoints[0].X) - (p.TransformedPoints[2].X - p.TransformedPoints[0].X) * (p.TransformedPoints[2].Y - p.TransformedPoints[0].Y)) != 0)
{
w = (double)((y - p.TransformedPoints[0].Y) * (p.TransformedPoints[1].X - p.TransformedPoints[0].X) - (x - p.TransformedPoints[0].X) * (p.TransformedPoints[2].Y - p.TransformedPoints[0].Y)) / (double)((p.TransformedPoints[1].Y - p.TransformedPoints[0].Y) * (p.TransformedPoints[1].X - p.TransformedPoints[0].X) - (p.TransformedPoints[2].X - p.TransformedPoints[0].X) * (p.TransformedPoints[2].Y - p.TransformedPoints[0].Y));
v = (double)(x - p.TransformedPoints[0].X - w * (p.TransformedPoints[2].X - p.TransformedPoints[0].X)) / (double)(p.TransformedPoints[1].X - p.TransformedPoints[0].X);
double z = v * (double)(p.TransformedPoints[1].Z - p.TransformedPoints[0].Z) + w * (double)(p.TransformedPoints[2].Z - p.TransformedPoints[0].Z);
//MessageBox.Show("x: " + x + " y: " + y + "\nv: " + v * (double)(p.TransformedPoints[1].Z - p.TransformedPoints[0].Z) + " w: " + w * (double)(p.TransformedPoints[2].Z - p.TransformedPoints[0].Z) + " z: " + z);
//MessageBox.Show("z: " + z);
if (Buffer[x, y] > z)
{
Main.SetPixel(x, y, p.Color);
BufferTest.SetPixel(x - MinX, y - MinY, Buffer[x, y] - z > 255 ? Color.Black : Color.FromArgb((int)(Buffer[x, y] - z), 255, 0, 0));
Buffer[x, y] = z;
}
}
}
}
/*f.pictureBox1.Image = Main;
f.pictureBox1.Invalidate();
f.pictureBox2.Image = BufferTest;
f.pictureBox2.Invalidate();
MessageBox.Show("bla");*/
Testg.DrawImage(BufferTest, lastx, 0);
lastx = MaxX - MinX;
f.pictureBox2.Image = TestList;
}
}
}