public void Draw(System.Drawing.Graphics graphics)
{
var rnd = new Random(15);
var whitePen = new Pen(Color.White, 1);
var screenMid = new Vertex(800 / 2, 600 / 2, 0);
var projectMat = Camera.GetProjectionMatrix();
var transLationMat = Camera.GetTranslationMatrix();
var bufferedImage = new BufferedImage(800, 600);
var g = bufferedImage.GetGraphics();
bufferedImage.Bitmap.SetPixel((int)screenMid.X, (int)screenMid.Y, Color.Cyan);
g.DrawRectangle(new Pen(Color.Cyan), 0, 0, 800 - 1, 600 - 1);
foreach (var mesh in Meshes)
{
foreach (var face in mesh.Faces)
{
// Static flip
var rotTest = Matrix4D.GetXRot((Math.PI * 160) / 180);
YROT += .0001;
var rotTest2 = Matrix4D.GetYRot((Math.PI * (YROT)) / 180);
var scaleTest = Matrix4D.GetScale(600 / 2, 600 / 2, 1);
var temp = face.Vertex1;
var translatedV1 = Matrix1D.From(mesh.Vertices[face.Vertex1]);
var translatedV2 = Matrix1D.From(mesh.Vertices[face.Vertex2]);
var translatedV3 = Matrix1D.From(mesh.Vertices[face.Vertex3]);
translatedV1 = translatedV1.Multiply(rotTest2);
translatedV2 = translatedV2.Multiply(rotTest2);
translatedV3 = translatedV3.Multiply(rotTest2);
translatedV1 = translatedV1.Multiply(rotTest);
translatedV2 = translatedV2.Multiply(rotTest);
translatedV3 = translatedV3.Multiply(rotTest);
/*
* Console.WriteLine(translatedV1);
* Console.WriteLine(rotTest);
*/
translatedV1 = translatedV1.Multiply(scaleTest);
translatedV2 = translatedV2.Multiply(scaleTest);
translatedV3 = translatedV3.Multiply(scaleTest);
translatedV1 = translatedV1.Multiply(transLationMat);
translatedV2 = translatedV2.Multiply(transLationMat);
translatedV3 = translatedV3.Multiply(transLationMat);
translatedV1 = translatedV1.Multiply(projectMat);
translatedV2 = translatedV2.Multiply(projectMat);
translatedV3 = translatedV3.Multiply(projectMat);
var resultV1 = Vertex.From(translatedV1);
var resultV2 = Vertex.From(translatedV2);
var resultV3 = Vertex.From(translatedV3);
if (translatedV1.Z != 0)
{
resultV1.X /= translatedV1.Z;
resultV1.Y /= translatedV1.Z;
}
if (translatedV2.Z != 0)
{
resultV2.X /= translatedV2.Z;
resultV2.Y /= translatedV2.Z;
}
if (translatedV3.Z != 0)
{
resultV3.X /= translatedV3.Z;
resultV3.Y /= translatedV3.Z;
}
resultV1.X += screenMid.X; resultV1.Y += screenMid.Y;
resultV2.X += screenMid.X; resultV2.Y += screenMid.Y;
resultV3.X += screenMid.X; resultV3.Y += screenMid.Y;
if (resultV1.Z <= 0.1 || resultV2.Z <= 0.1 || resultV3.Z <= 0.1)
{
continue;
}
/*
* g.DrawString($"{Math.Round(test1.X, 3)},{Math.Round(test1.Y, 3)},{Math.Round(test1.Z, 3)}", new Font(FontFamily.GenericSansSerif, 14), Brushes.Cyan, (float)resultV1.X, (float)resultV1.Y);
* g.DrawString($"{Math.Round(test2.X, 3)},{Math.Round(test2.Y, 3)},{Math.Round(test2.Z, 3)}", new Font(FontFamily.GenericSansSerif, 14), Brushes.Cyan, (float)resultV2.X, (float)resultV2.Y);
* g.DrawString($"{Math.Round(test3.X, 3)},{Math.Round(test3.Y, 3)},{Math.Round(test3.Z, 3)}", new Font(FontFamily.GenericSansSerif, 14), Brushes.Cyan, (float)resultV3.X, (float)resultV3.Y);
*/
if (ColorfullPolygonDisplayEnabled)
{
var color = Color.FromArgb(rnd.Next(0, 255), rnd.Next(0, 255), rnd.Next(0, 255), 255);
g.FillPolygon(
new SolidBrush(color), new PointF[] {
new PointF((float)resultV1.X, (float)resultV1.Y),
new PointF((float)resultV2.X, (float)resultV2.Y),
new PointF((float)resultV3.X, (float)resultV3.Y)
});
}
var v = resultV2.Clone().Subtract(resultV1);
var w = resultV3.Clone().Subtract(resultV1);
var n = new Vertex()
{
X = (v.Y * w.Z) - (v.Z * w.Y),
Y = (v.Z * w.X) - (v.X * w.Z),
Z = (v.X * w.Y) - (v.Y * w.X)
};
if (PointDisplayEnabled)
{
SetPixel(bufferedImage.Bitmap, (int)resultV1.X, (int)resultV1.Y);
SetPixel(bufferedImage.Bitmap, (int)resultV1.X, (int)resultV1.Y);
SetPixel(bufferedImage.Bitmap, (int)resultV1.X, (int)resultV1.Y);
}
if (WireframeDisplayEnabled)
{
g.DrawLine(whitePen, (float)resultV1.X, (float)resultV1.Y, (float)resultV2.X, (float)resultV2.Y);
g.DrawLine(whitePen, (float)resultV2.X, (float)resultV2.Y, (float)resultV3.X, (float)resultV3.Y);
g.DrawLine(whitePen, (float)resultV3.X, (float)resultV3.Y, (float)resultV1.X, (float)resultV1.Y);
}
/*
* g.DrawPolygon(
* new Pen(Color.FromArgb(rnd.Next(0,255),rnd.Next(0,255),rnd.Next(0,255), 255)), new Point[]{
* new Point((int)translatedV1.X, (int)translatedV1.Y),
* new Point((int)translatedV2.X, (int)translatedV2.Y),
* new Point((int)translatedV3.X, (int)translatedV3.Y)
* });
*/
}
}
Console.WriteLine($"{Camera.Pos.X},{Camera.Pos.Y},{Camera.Pos.Z}");
g.Dispose();
graphics.DrawImage(bufferedImage.Bitmap, 0, 0);
}
