private void AddVertex(VertexFormats.PosColorTexNormal vertex)
{
if (_vertices == null)
{
_vertices = new VertexFormats.PosColorTexNormal[1000];
}
else if (_vertexCount == _vertices.Length)
{
Array.Resize(ref _vertices, _vertices.Length + 1000);
}
_vertices[_vertexCount++] = vertex;
}
public void AddTriangle(
VertexFormats.PosColorTexNormal v0,
VertexFormats.PosColorTexNormal v1,
VertexFormats.PosColorTexNormal v2)
{
var i0 = _vertexCount;
AddVertex(v0);
AddVertex(v1);
AddVertex(v2);
AddIndex(i0 + 0);
AddIndex(i0 + 1);
AddIndex(i0 + 2);
}
public void AddQuad(
VertexFormats.PosColorTexNormal v0,
VertexFormats.PosColorTexNormal v1,
VertexFormats.PosColorTexNormal v2,
VertexFormats.PosColorTexNormal v3)
{
var i0 = _vertexCount;
AddVertex(v0);
AddVertex(v1);
AddVertex(v2);
AddVertex(v3);
AddIndex(i0 + 0);
AddIndex(i0 + 1);
AddIndex(i0 + 2);
AddIndex(i0 + 0);
AddIndex(i0 + 2);
AddIndex(i0 + 3);
}
