The Cove's stream: a stream block whose water only runs downhill (spring to the bay), its own water ribbon, trout, on the map; scenery and landmarks keep clear

scripts/ui/map_screen.gd

@@ -163,6 +163,8 @@ static func render(w: Node3D) -> Image:
 
 static func ground_colour(t: Node3D, x: float, z: float) -> Color:
 	var h: float = t.sample_height(x, z)
+	if t.near_stream(x, z, 0.3):
+		return Color(0.32, 0.56, 0.66)   # (the stream, a little wider than it is so it shows)
 	var surface: float = t.water_level if t.inside_boundary(x, z, -2.0) else t.sea_level
 	if h < surface:
 		var deep := clampf((surface - h) / 6.0, 0.0, 1.0)