public void DrawTriangle(Triangle3D t, Light light)
{
Triangle3DRasterizer r = new Triangle3DRasterizer(t, light);
Triangle3DLine[] lines = r.Execute();
for (int i = 0; i < lines.Length; i++)
{
for (int j = 0; j < lines[i].Count; j++)
{
DrawVertex(lines[i][j]);
}
}
}
public Model GetModel()
{
XmlElement xModel = _XMLModel.DocumentElement;
Model model = new Model();
foreach (XmlNode xTriangle in xModel)
{
Vector3D n = GetNormal(xTriangle);
Vertex v1 = GetVertex(xTriangle, "vertex1");
Vertex v2 = GetVertex(xTriangle, "vertex2");
Vertex v3 = GetVertex(xTriangle, "vertex3");
MaterialProperties mp = GetMaterial(xTriangle);
Triangle3D t = new Triangle3D(v1, v2, v3, n, mp);
model.AddTriangle(t);
}
return(model);
}
public Triangle3DRasterizer(Triangle3D triangle, Light light)
{
_Triangle = triangle;
_Light = light;
_X1 = Maths.Round(triangle.V1.Position.X);
_Y1 = Maths.Round(triangle.V1.Position.Y);
_X2 = Maths.Round(triangle.V2.Position.X);
_Y2 = Maths.Round(triangle.V2.Position.Y);
_X3 = Maths.Round(triangle.V3.Position.X);
_Y3 = Maths.Round(triangle.V3.Position.Y);
yMin = Maths.Min(_Y1, _Y2, _Y3);
yMax = Maths.Max(_Y1, _Y2, _Y3);
_Lines = new Triangle3DLine[yMax - yMin + 1];
}