EggVertexUV¶

class EggVertexUV¶

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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EggVertexUV.__init__()¶

EggVertexUV.assign()¶

EggVertexUV.clear_binormal()¶

EggVertexUV.clear_tangent()¶

EggVertexUV.compare_to()¶: An ordering operator to compare two vertices for sorting order. This imposes an arbitrary ordering useful to identify unique vertices.

static EggVertexUV.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.

EggVertexUV.get_binormal()¶

static EggVertexUV.get_class_type()¶

EggVertexUV.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).

EggVertexUV.get_tangent()¶

EggVertexUV.get_tangent4()¶

EggVertexUV.get_uv()¶: Returns the texture coordinate pair, if get_num_dimensions() is 2.

EggVertexUV.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).

EggVertexUV.has_binormal()¶

EggVertexUV.has_tangent()¶

EggVertexUV.has_tangent4()¶

EggVertexUV.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 EggVertexUV.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.

EggVertexUV.set_binormal()¶

EggVertexUV.set_name()¶

EggVertexUV.set_tangent()¶

EggVertexUV.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.

EggVertexUV.set_uv()¶: Sets the texture coordinate pair. This makes the texture coordinate a 2-d texture coordinate, which is the usual case.

EggVertexUV.set_uvw()¶: Sets the texture coordinate triple. This makes the texture coordinate a 3-d texture coordinate.

EggVertexUV.transform()¶: Applies the indicated transformation matrix to the UV’s tangent and/or binormal. This does nothing if there is no tangent or binormal.

EggVertexUV.write()¶