public TextureGenerator(IOpenGLObjectFactory openGLFactory, TType type, ITexture[] out_textures, ITexture[] in_textures = null)
{
_openGLFactory = openGLFactory;
_type = type;
_out_textures = new List <ITexture>(out_textures);
if (in_textures != null)
{
_in_textures = new List <ITexture>(in_textures);
}
}
public AssimpModelBuilder(IOpenGLObjectFactory openGLFactory, Stream filestream)
{
_openGLFactory = openGLFactory;
AssimpContext importer = new AssimpContext();
importer.SetConfig(new NormalSmoothingAngleConfig(66.0f));
_assimpmodel = importer.ImportFileFromStream(filestream, flags);
Matrix4x4 identity = Matrix4x4.Identity;
CreateBuffers(_assimpmodel.RootNode, null, ref identity);
}
public TrefoilKnotBuilder(IOpenGLObjectFactory objectFactory, int slices, int stacks, float ra, float rb, float rc, float rd, float[] c)
{
(float[] attributes, uint[] indices) = new TrefoilKnot(slices, stacks, ra, rb, rc, rd, c).Create();
int tuple_size = 12;
ModelNode node = new ModelNode(objectFactory);
_model._root_node = node;
node.ModelMatrix = Matrix4.Identity;
AABB mesh_box = new AABB();
// extend bounding box by vertices
for (int i = 0; i < attributes.Length; i += tuple_size)
{
Vector3 vertex = new Vector3(attributes[i], attributes[i + 1], attributes[i + 2]);
mesh_box = mesh_box | vertex;
_model._scene_box = _model._scene_box | vertex;
}
// create Mesh
OpenTK_library.Scene.Mesh mesh = new OpenTK_library.Scene.Mesh();
mesh.TupleSize = (uint)tuple_size;
mesh.Box = mesh_box;
node.Add(mesh);
mesh.VertexAttribute = (0, 3);
mesh.NormalAttribute = (3, 3);
mesh.AddTextureAttrib((6, 2));
mesh.AddColorAttrib((8, 4));
TVertexFormat[] format =
{
new TVertexFormat(0, vertex_index, 3, 0, false),
new TVertexFormat(0, normal_index, 3, 3, false),
new TVertexFormat(0, texture0_index, 2, 6, false),
new TVertexFormat(0, 2, 4, 8, false),
};
// setup vertex arrays and index array
var vao = openGLFactory.NewVertexArrayObject();
vao.AppendVertexBuffer(0, (int)tuple_size, attributes);
vao.Create(format, indices);
mesh.FaceSize = 3;
mesh.VertexArray = vao;
}
public static AssimpModelBuilder Create(IOpenGLObjectFactory openGLFactory, Stream filestream)
{
return(new AssimpModelBuilder(openGLFactory, filestream));
}
public static AssimpModelBuilder Create(IOpenGLObjectFactory openGLFactory, string filename)
{
return(new AssimpModelBuilder(openGLFactory, filename));
}
public static TrefoilKnotBuilder Create(IOpenGLObjectFactory objectFactory, int slices = 256, int stacks = 32, float ra = 0.6f, float rb = 0.2f, float rc = 0.4f, float rd = 0.175f, float[] c = null)
{
return(new TrefoilKnotBuilder(objectFactory, slices, stacks, ra, rb, rc, rd, c));
}
