def _setMeshAttributes(self, mesh: MeshData) -> None:
self._shader.enableAttribute("a_vertex", "vector3f", 0)
vertex_count = mesh.getVertexCount()
offset = vertex_count * 3 * 4
if mesh.hasNormals():
self._shader.enableAttribute("a_normal", "vector3f", offset)
offset += vertex_count * 3 * 4
if mesh.hasColors():
self._shader.enableAttribute("a_color", "vector4f", offset)
offset += vertex_count * 4 * 4
if mesh.hasUVCoordinates():
self._shader.enableAttribute("a_uvs", "vector2f", offset)
offset += vertex_count * 2 * 4
for attribute_name in mesh.attributeNames():
attribute = mesh.getAttribute(attribute_name)
self._shader.enableAttribute(attribute["opengl_name"],
attribute["opengl_type"], offset)
if attribute["opengl_type"] == "vector2f":
offset += mesh.getVertexCount() * 2 * 4
elif attribute["opengl_type"] == "vector4f":
offset += mesh.getVertexCount() * 4 * 4
elif attribute["opengl_type"] == "int":
offset += mesh.getVertexCount() * 4
elif attribute["opengl_type"] == "float":
offset += mesh.getVertexCount() * 4
else:
Logger.log(
"e",
"Attribute with name [%s] uses non implemented type [%s]."
% (attribute["opengl_name"], attribute["opengl_type"]))
self._shader.disableAttribute(attribute["opengl_name"])
def test_attributes():
attributes = {"test": {"value": [10], "derp": "OMG"}}
mesh_data = MeshData(attributes=attributes)
assert mesh_data.hasAttribute("test")
assert mesh_data.getAttribute("test") == {"value": [10], "derp": "OMG"}
assert mesh_data.attributeNames() == ["test"]
def test_attributes():
attributes = { "test": {
"value": [10],
"derp": "OMG"
}}
mesh_data = MeshData(attributes = attributes)
assert mesh_data.hasAttribute("test")
assert mesh_data.getAttribute("test") == { "value": [10], "derp": "OMG" }
assert mesh_data.attributeNames() == ["test"]
