Generate a prototype ui of a vr 3d modeling software. the emphasis should be on the main 1st person pov of someone in ancient egypt. on the right, add an assets panel with a miniature pyramid, pharaoh, bush, and huts organized in a 2x4 column. under it add 8 textured spheres organized in a 2x6 column. illustrate the drag-and-drop feature by showing the mouse dragging a pyramid from the assets panel into the main scene"