-- A rhythm game, from the catalogue:  a track plays, notes are windows in time, and a press inside
-- one scores while one outside is a miss.  The notes are a track of points keyed by time, so the
-- editor's timeline lays them out.
return {
	title  = "Author test:  rhythm",
	size   = { w = 720, h = 480 },
	layers = { { kind = "overlay" }, { kind = "music", file = "testScripts/tune.mp3", volume = 60 } },
	vars   = { score = 0, hits = 0, misses = 0, early = 0 },

	kinds = {
		lane    = { look = { kind = "box", w = 60, h = 400, r = 40, g = 40, b = 60 } },
		marker  = { look = { kind = "box", w = 80, h = 6, r = 200, g = 200, b = 220 } },
		note    = { look = { kind = "box", w = 50, h = 16, r = 255, g = 200, b = 60 },
		            behaviours = { { kind = "drift", vx = 0, vy = 200 } } },
		readout = { look = { kind = "text", text = "", r = 235, g = 235, b = 245 } }
	},

	rooms = {
		{ name = "stage",
		  entities = {
			{ kind = "lane",    id = "lane",    x = 360, y = 240 },
			{ kind = "marker",  id = "marker",  x = 360, y = 400 },
			{ kind = "readout", id = "readout", x = 12,  y = 12  }
		  },
		  tracks = {
			{ name = "notes", key = "time", points = { { at = 1.0 }, { at = 2.0 }, { at = 2.5 }, { at = 3.5 } } }
		  } }
	},

	rules = {
		{ note = "A note falls two seconds before its time",
		  on   = "frame", each = "lane",
		  when = { { "every", seconds = 0.5, tag = "spawn" }, { "test", expr = "time < 2" } },
		  act  = { { "spawn", kind = "note", x = 360, y = 0 } } },

		{ note = "A press on a note at the marker",
		  on   = "pressed", key = "SPACE", each = "note",
		  when = { { "test", expr = "abs(self.y - 400) < 24" } },
		  act  = { { "destroy", entity = "self" }, { "addScore", amount = 100 }, { "addVar", name = "hits", amount = 1 } } },

		{ note = "A note that falls past the marker is a miss",
		  on   = "frame", each = "note",
		  when = { { "test", expr = "self.y > 440" } },
		  act  = { { "destroy", entity = "self" }, { "addVar", name = "misses", amount = 1 } } },

		{ note = "The readout, every frame",
		  on   = "frame",
		  act  = { { "setText", entity = "readout", text = '"score " .. score .. "  hits " .. hits .. "  misses " .. misses' } } }
	}
}