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 geƤndert 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; } } }