private Polygon GetPolygon(bool counterClockwise = true)
{
IEnumerable <Vertex> vertices = new Vertex[5]
{
Vertex.ByCoordinates(0, 0),
Vertex.ByCoordinates(10, 0),
Vertex.ByCoordinates(10, 10),
Vertex.ByCoordinates(5, 15),
Vertex.ByCoordinates(0, 10)
};
if (!counterClockwise)
{
vertices = vertices.Reverse();
}
return(Polygon.ByVertices(vertices.ToList()));
}
public void AddVertex(Vertex InVertex)
{
VertexPositions.AddElement(InVertex.ToList());
}
public static Model CreatePlane(Vector2 Scale)
{
Vertex[] vertices = new Vertex[] {
new Vertex(new Vector3(-0.5f * Scale.X, 0.5f * Scale.Y, 0f), new Vector2(0, 0)),
new Vertex(new Vector3(0.5f * Scale.X, 0.5f * Scale.Y, 0f), new Vector2(1, 0)),
new Vertex(new Vector3(0.5f * Scale.X, -0.5f * Scale.Y, 0f), new Vector2(1, 1)),
new Vertex(new Vector3(-0.5f * Scale.X, -0.5f * Scale.Y, 0f), new Vector2(0, 1))
};
/*int[] indices = new int[] {
0, 2, 1,
0, 3, 2,
};*/
Mesh mesh = new Mesh();
mesh.Vertices = vertices.ToList();
mesh.Indices.AddRange(new[] { 0, 2, 1 });
mesh.Indices.AddRange(new[] { 0, 3, 2 });
Model model = new Model(mesh);
/*model.AddTriangle(0, 2, 1);
model.AddTriangle(0, 3, 2);*/
return model;
}
