Lighting system

data/scripts/lights.lua

@@ -0,0 +1,65 @@
+Lights = {}
+LightTimer = 0
+
+function CreateDarkness()
+	return love.graphics.newCanvas(game.width/2, game.height/2)
+end
+
+function CreateLight(x,y,range)
+	local o = {}
+	o.pos = {
+		x = x,
+		y = y
+	}
+	o.range = range
+	o.flicker = 0
+	table.insert(Lights,o)
+	return o
+end
+
+function DoDarkness()
+	love.graphics.setColor(0,0,0)
+	love.graphics.rectangle("fill",0,0,game.width,game.height)
+end
+
+function DoLights()
+	LightTimer = LightTimer + 1
+	
+	if LightTimer >= 3 then
+		LightTimer = LightTimer - 3
+		for _, light in pairs(Lights) do
+			light.flicker = math.random(-1,1)
+		end	
+	end
+	
+	love.graphics.setBlendMode("replace")
+	-- first, border
+	love.graphics.setColor(1,1,1)
+	for _, light in pairs(Lights) do
+		
+		love.graphics.circle(
+			"fill", 
+			light.pos.x - Camera.pos.x,
+			light.pos.y - Camera.pos.y,
+			light.range + light.flicker + 1
+		)		
+	end	
+	love.graphics.setColor(0,0,0,0)
+	-- then, light
+	for _, light in pairs(Lights) do	
+		love.graphics.circle(
+			"fill", 
+			light.pos.x - Camera.pos.x,
+			light.pos.y - Camera.pos.y,
+			light.range + light.flicker
+		)			
+	end
+	love.graphics.setBlendMode("alpha")
+end
+
+function DoBorder()
+end
+
+function DrawDarkness()
+	love.graphics.draw(Canvas.Darkness, 0, 0, 0, 1, 1)
+end