This is a nicely done three sided shelter. I would have looked for a spot near a rock formation about as tall as the platform. A fire could be built on the rocks and the heat reflected into the shelter. My Hut by CitizenOlek on deviantART
Unless you are actively learning primitive survival skills or studying bushcraft techniques, no one has any intention of deliberately putting themselves in a situation where they have no choice but to rely on their wilderness survival skills.