void generatedGeometryShouldBeConsistent()
{
// GIVEN
Qt3DExtras::QCuboidGeometry geometry;
const QVector<Qt3DRender::QAttribute *> attributes = geometry.attributes();
Qt3DRender::QAttribute *positionAttribute = geometry.positionAttribute();
Qt3DRender::QAttribute *normalAttribute = geometry.normalAttribute();
Qt3DRender::QAttribute *texCoordAttribute = geometry.texCoordAttribute();
Qt3DRender::QAttribute *tangentAttribute = geometry.tangentAttribute();
Qt3DRender::QAttribute *indexAttribute = geometry.indexAttribute();
// WHEN
QFETCH(float, xExtent);
QFETCH(float, yExtent);
QFETCH(float, zExtent);
QFETCH(QSize, xyMeshResolution);
QFETCH(QSize, yzMeshResolution);
QFETCH(QSize, xzMeshResolution);
geometry.setXExtent(xExtent);
geometry.setYExtent(yExtent);
geometry.setZExtent(zExtent);
geometry.setXYMeshResolution(xyMeshResolution);
geometry.setYZMeshResolution(yzMeshResolution);
geometry.setXZMeshResolution(xzMeshResolution);
generateGeometry(geometry);
// THEN
// Check buffer of each attribute is valid and actually has some data
for (const auto &attribute : attributes) {
Qt3DRender::QBuffer *buffer = attribute->buffer();
QVERIFY(buffer != nullptr);
QVERIFY(buffer->data().size() != 0);
}
// Check some data in the buffers
// Check specific indices and vertex attributes of triangle under test
QFETCH(int, triangleIndex);
QFETCH(QVector<quint16>, indices);
QFETCH(QVector<QVector3D>, positions);
QFETCH(QVector<QVector3D>, normals);
QFETCH(QVector<QVector2D>, texCoords);
QFETCH(QVector<QVector4D>, tangents);
int i = 0;
for (auto index : indices) {
const auto testIndex = extractIndexData<quint16>(indexAttribute, 3 * triangleIndex + i);
QCOMPARE(testIndex, indices.at(i));
const auto position = extractVertexData<QVector3D, quint32>(positionAttribute, index);
QCOMPARE(position, positions.at(i));
const auto normal = extractVertexData<QVector3D, quint32>(normalAttribute, index);
QCOMPARE(normal, normals.at(i));
const auto texCoord = extractVertexData<QVector2D, quint32>(texCoordAttribute, index);
QCOMPARE(texCoord, texCoords.at(i));
const auto tangent = extractVertexData<QVector4D, quint32>(tangentAttribute, index);
QCOMPARE(tangent, tangents.at(i));
++i;
}
}
