private void AddPlane(Vector3D p1, Vector3D p2, Vector3D p3, Vector3D p4, Material mat)
{
Vertex[] v = new Vertex[4];
v[0] = new Vertex(p1, 0, 0);
v[1] = new Vertex(p2, 0, 0);
v[2] = new Vertex(p3, 0, 0);
v[3] = new Vertex(p4, 0, 0);
Primitive p = new Primitive(PrimitiveType.Vertex, v[0], v[1], v[3]);
p.Material = mat;
Primitives.Add(p);
p = new Primitive(PrimitiveType.Vertex, v[1], v[2], v[3]);
p.Material = mat;
Primitives.Add(p);
}
private void AddBox(Vector3D position, Vector3D size)
{
Vertex[] v = new Vertex[8];
v[0] = new Vertex(new Vector3D(position.X, position.Y, position.Z), 0, 0);
v[1] = new Vertex(new Vector3D(position.X + size.X, position.Y, position.Y), 0, 0);
v[2] = new Vertex(new Vector3D(position.X + size.X, position.Y + size.Y, position.Z), 0, 0);
v[3] = new Vertex(new Vector3D(position.X, position.Y + size.Y, position.Z), 0, 0);
v[4] = new Vertex(new Vector3D(position.X, position.Y, position.Z + size.Z), 0, 0);
v[5] = new Vertex(new Vector3D(position.X + size.X, position.Y, position.Z + size.Z), 0, 0);
v[6] = new Vertex(new Vector3D(position.X + size.X, position.Y + size.Y, position.Z + size.Z), 0, 0);
v[7] = new Vertex(new Vector3D(position.X, position.Y + size.Y, position.Z + size.Z), 0, 0);
// front plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[0], v[1], v[3]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[1], v[2], v[3]));
// back plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[5], v[4], v[7]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[5], v[7], v[6]));
// left plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[4], v[0], v[3]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[4], v[3], v[7]));
// right plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[1], v[5], v[2]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[5], v[6], v[2]));
// top plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[4], v[5], v[1]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[4], v[1], v[0]));
// bottom plane
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[6], v[7], v[2]));
Primitives.Add(new Primitive(PrimitiveType.Vertex, v[7], v[3], v[2]));
}