game.stage.canvas

The canvas of a big top that has been up too many seasons.

Two inks in alternating gores, a sewn seam down every join, soot in the peak where the lamps have burned at it, damp and mildew climbing the hem, and the vertical rain-streaks canvas carries between them. The gores sag between their seams, done in the vertex hook so the sag is in the silhouette rather than painted on.

Reads UV from game.stage.tentGeometry.revolve: u is the fraction round the tent, v climbs 0 at the apex to 1 at the hem. stripes is how many gores go round; bounce is a floor of self-illumination standing in for the sodium light coming back off six metres of sawdust, without which the ceiling of a tent lit only from the ring is black.