Answer:
Well I remember back in the renaissance or Shakespearean era, around when the black plague started theaters weren't indoors but rather outdoors. If you go that far back I guess people weren't kept cool but you have to more specific.
An example of what the theatre looked like
One point perspective is a type of linear perspective. Linear perspective relies on the use of lines to render objects leading to the illusion of space and form in a flat work of art. It is a structured approach to drawing. One point perspective gets its name from the fact that it utilizes a single vanishing point.