EggVertexUV

from acron.egg import EggVertexUV

class EggVertexUV

Bases:

Bases: EggNamedObject

The set of UV’s that may or may not be assigned to a vertex. To support multitexturing, there may be multiple sets of UV’s on a particular vertex, each with its own name.

Inheritance diagram

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__init__()

property _duvs → EggMorphTexCoordList

getter for EggMorphTexCoordList EggVertexUV::_duvs;

assign()

clear_binormal()

clear_tangent()

compare_to()

An ordering operator to compare two vertices for sorting order. This imposes an arbitrary ordering useful to identify unique vertices.

static filter_name()

Returns the actual name that should be set for a given name string. Usually this is the same string that is input, but for historical reasons the texture coordinate name “default” is mapped to the empty string.

get_binormal()

static get_class_type()

get_num_dimensions()

Returns the number of components of the texture coordinate set. This is either 2 (the normal case) or 3 (for a 3-d texture coordinate).

get_tangent()

get_tangent4()

get_uv()

Returns the texture coordinate pair, if get_num_dimensions() is 2.

get_uvw()

Returns the texture coordinate triple, if get_num_dimensions() is 3. This is also legal to call if get_num_dimensions() is 2 (but the last dimension will be zero).

has_binormal()

has_tangent()

has_tangent4()

has_w()

Returns true if the texture coordinate has a third, w component, false if it is just a normal 2-d texture coordinate.

static make_average()

Creates a new EggVertexUV that contains the averaged values of the two given objects. It is an error if they don’t have the same name.

set_binormal()

set_name()

set_tangent()

set_tangent4()

Sets the tangent vector, along with a fourth parameter that is multiplied with the result of cross(normal, tangent) when computing the binormal.

set_uv()

Sets the texture coordinate pair. This makes the texture coordinate a 2-d texture coordinate, which is the usual case.

set_uvw()

Sets the texture coordinate triple. This makes the texture coordinate a 3-d texture coordinate.

transform()

Applies the indicated transformation matrix to the UV’s tangent and/or binormal. This does nothing if there is no tangent or binormal.

write()