public virtual void Draw(Graphics3D graphics)
{
foreach (var facet in Indices)
{
for (int i = 0; i < facet.Length; ++i)
{
var a = new Vertex(Coordinates[facet[i]]);
var b = new Vertex(Coordinates[facet[(i + 1) % facet.Length]]);
graphics.DrawLine(a, b);
}
}
}
public override void Draw(Graphics3D graphics)
{
foreach (var facet in Indices)
{
for (int i = 1; i < facet.Length - 1; ++i)
{
var a = new Vertex(Coordinates[facet[0]], Color.White, Normals[facet[0]]);
var b = new Vertex(Coordinates[facet[i]], Color.White, Normals[facet[i]]);
var c = new Vertex(Coordinates[facet[i + 1]], Color.White, Normals[facet[i + 1]]);
graphics.DrawTriangle(a, b, c);
}
if (VirisbleNormals)
{
for (int i = 0; i < Coordinates.Length; ++i)
{
var a = new Vertex(Coordinates[i], Color.White, Normals[i]);
var b = new Vertex(Coordinates[i] + Normals[i], Color.White, Normals[i]);
graphics.DrawLine(a, b);
}
}
}
}
public override void Draw(Graphics3D graphics)
{
bool textureActiveInfo = graphics.IsActiveTexture;
graphics.IsActiveTexture = true;
var curTexture = graphics.ActiveTexture;
graphics.ActiveTexture = texture;
foreach (var facet in Indices)
{
for (int i = 1; i < facet.Length - 1; ++i)
{
var a = new Vertex(Coordinates[facet[0]], uvCoordinates[facet[0]]);
var b = new Vertex(Coordinates[facet[i]], uvCoordinates[facet[i]]);
var c = new Vertex(Coordinates[facet[i + 1]], uvCoordinates[facet[i + 1]]);
graphics.DrawTriangle(a, b, c);
}
}
graphics.IsActiveTexture = textureActiveInfo;
graphics.ActiveTexture = curTexture;
}
public override void Draw(Graphics3D graphics)
{
graphics.DrawPoint(new Vertex(new Vector(0.5, 0.5, 0.5), Color.Yellow));
graphics.DrawLine(new Vertex(new Vector(0.5, 0.5, 0.5), Color.Yellow), new Vertex(new Vector(0, 0, 0), Color.Yellow));
foreach (var facet in Indices)
{
var verts = facet.Distinct().ToArray();
Vector norm = Normals[verts[0]];
norm = Vector.CrossProduct((Coordinates[facet[0]] - Coordinates[facet[1]]), (Coordinates[facet[1]] - Coordinates[facet[2]]));
if (Vector.AngleBet((new Vector(0.5, 0.5, 0.5)), norm) > Math.PI / 2)
{
for (int i = 0; i < facet.Length; ++i)
{
var a = new Vertex(Coordinates[facet[i]], Color.White, Normals[facet[i]]);
var b = new Vertex(Coordinates[facet[(i + 1) % facet.Length]], Color.White, Normals[facet[(i + 1) % facet.Length]]);
graphics.DrawLine(a, b);
}
}
}
}