void MetavoxelSystem::render() {
// update the frustum
ViewFrustum* viewFrustum = Application::getInstance()->getViewFrustum();
_frustum.set(viewFrustum->getFarTopLeft(), viewFrustum->getFarTopRight(), viewFrustum->getFarBottomLeft(),
viewFrustum->getFarBottomRight(), viewFrustum->getNearTopLeft(), viewFrustum->getNearTopRight(),
viewFrustum->getNearBottomLeft(), viewFrustum->getNearBottomRight());
RenderVisitor renderVisitor(getLOD());
guideToAugmented(renderVisitor);
}
void DrawFrustum::getVertices(const ViewFrustum& frustum, glm::vec3 vertices[8]) {
vertices[0] = frustum.getNearTopLeft();
vertices[1] = frustum.getNearTopRight();
vertices[2] = frustum.getNearBottomRight();
vertices[3] = frustum.getNearBottomLeft();
vertices[4] = frustum.getFarTopLeft();
vertices[5] = frustum.getFarTopRight();
vertices[6] = frustum.getFarBottomRight();
vertices[7] = frustum.getFarBottomLeft();
}