made the normal shading reflect the shadow calculations a bit better and isolated the examples to one directory

examples/complex.lua

@@ -36,53 +36,53 @@ function love.load()
 	love.graphics.setDefaultFilter("nearest", "nearest")
 
 	-- load image font
-	font = love.graphics.newImageFont("gfx/font.png", " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,!?-+/():;%&`'*#=[]\"")
+	font = love.graphics.newImageFont("examples/gfx/font.png", " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,!?-+/():;%&`'*#=[]\"")
 	love.graphics.setFont(font)
 
 	-- set background
 	quadScreen = love.graphics.newQuad(0, 0, love.window.getWidth() + 32, love.window.getHeight() + 24, 32, 24)
-	imgFloor = love.graphics.newImage("gfx/floor.png")
+	imgFloor = love.graphics.newImage("examples/gfx/floor.png")
 	imgFloor:setWrap("repeat", "repeat")
 
 	-- load image examples
-	circle = love.graphics.newImage("gfx/circle.png")
+	circle = love.graphics.newImage("examples/gfx/circle.png")
-	circle_normal = love.graphics.newImage("gfx/circle_normal.png")
+	circle_normal = love.graphics.newImage("examples/gfx/circle_normal.png")
-	cone = love.graphics.newImage("gfx/cone.png")
+	cone = love.graphics.newImage("examples/gfx/cone.png")
-	cone_large = love.graphics.newImage("gfx/cone_large.png")
+	cone_large = love.graphics.newImage("examples/gfx/cone_large.png")
-	cone_large_normal = love.graphics.newImage("gfx/cone_large_normal.png")
+	cone_large_normal = love.graphics.newImage("examples/gfx/cone_large_normal.png")
-	cone_normal = love.graphics.newImage("gfx/cone_normal.png")
+	cone_normal = love.graphics.newImage("examples/gfx/cone_normal.png")
-	chest = love.graphics.newImage("gfx/chest.png")
+	chest = love.graphics.newImage("examples/gfx/chest.png")
-	chest_normal = love.graphics.newImage("gfx/chest_normal.png")
+	chest_normal = love.graphics.newImage("examples/gfx/chest_normal.png")
-	machine = love.graphics.newImage("gfx/machine.png")
+	machine = love.graphics.newImage("examples/gfx/machine.png")
-	machine_normal = love.graphics.newImage("gfx/machine_normal.png")
+	machine_normal = love.graphics.newImage("examples/gfx/machine_normal.png")
-	machine_glow = love.graphics.newImage("gfx/machine_glow.png")
+	machine_glow = love.graphics.newImage("examples/gfx/machine_glow.png")
-	machine2 = love.graphics.newImage("gfx/machine2.png")
+	machine2 = love.graphics.newImage("examples/gfx/machine2.png")
-	machine2_normal = love.graphics.newImage("gfx/machine2_normal.png")
+	machine2_normal = love.graphics.newImage("examples/gfx/machine2_normal.png")
-	machine2_glow = love.graphics.newImage("gfx/machine2_glow.png")
+	machine2_glow = love.graphics.newImage("examples/gfx/machine2_glow.png")
-	blopp = love.graphics.newImage("gfx/blopp.png")
+	blopp = love.graphics.newImage("examples/gfx/blopp.png")
-	tile = love.graphics.newImage("gfx/tile.png")
+	tile = love.graphics.newImage("examples/gfx/tile.png")
-	tile_normal = love.graphics.newImage("gfx/tile_normal.png")
+	tile_normal = love.graphics.newImage("examples/gfx/tile_normal.png")
-	tile_glow = love.graphics.newImage("gfx/tile_glow.png")
+	tile_glow = love.graphics.newImage("examples/gfx/tile_glow.png")
-	refraction_normal = love.graphics.newImage("gfx/refraction_normal.png")
+	refraction_normal = love.graphics.newImage("examples/gfx/refraction_normal.png")
-	water = love.graphics.newImage("gfx/water.png")
+	water = love.graphics.newImage("examples/gfx/water.png")
-	led = love.graphics.newImage("gfx/led.png")
+	led = love.graphics.newImage("examples/gfx/led.png")
-	led2 = love.graphics.newImage("gfx/led2.png")
+	led2 = love.graphics.newImage("examples/gfx/led2.png")
-	led3 = love.graphics.newImage("gfx/led3.png")
+	led3 = love.graphics.newImage("examples/gfx/led3.png")
-	led_normal = love.graphics.newImage("gfx/led_normal.png")
+	led_normal = love.graphics.newImage("examples/gfx/led_normal.png")
-	led_glow = love.graphics.newImage("gfx/led_glow.png")
+	led_glow = love.graphics.newImage("examples/gfx/led_glow.png")
-	led_glow2 = love.graphics.newImage("gfx/led_glow2.png")
+	led_glow2 = love.graphics.newImage("examples/gfx/led_glow2.png")
-	led_glow3 = love.graphics.newImage("gfx/led_glow3.png")
+	led_glow3 = love.graphics.newImage("examples/gfx/led_glow3.png")
-	ape = love.graphics.newImage("gfx/ape.png")
+	ape = love.graphics.newImage("examples/gfx/ape.png")
-	ape_normal = love.graphics.newImage("gfx/ape_normal.png")
+	ape_normal = love.graphics.newImage("examples/gfx/ape_normal.png")
-	ape_glow = love.graphics.newImage("gfx/ape_glow.png")
+	ape_glow = love.graphics.newImage("examples/gfx/ape_glow.png")
-	imgLight = love.graphics.newImage("gfx/light.png")
+	imgLight = love.graphics.newImage("examples/gfx/light.png")
 
 	-- materials
 	material = {}
 
-	local files = love.filesystem.getDirectoryItems("gfx/sphere")
+	local files = love.filesystem.getDirectoryItems("examples/gfx/sphere")
 	for i, file in ipairs(files) do
-		material[i] = love.graphics.newImage("gfx/sphere/" .. file)
+		material[i] = love.graphics.newImage("examples/gfx/sphere/" .. file)
 	end
 
 	-- light world
@@ -134,7 +134,7 @@ function love.update(dt)
 
   mx, my = (love.mouse.getX() - offsetX)/scale, (love.mouse.getY() - offsetY)/scale
 
-	mouseLight:setPosition(mx, my, 1 + (math.sin(lightDirection) + 1.0) * 64.0)
+	mouseLight:setPosition(mx, my, 1 + (math.sin(lightDirection) + 1.0))
 
 	lightDirection = lightDirection + dt
 	colorAberration = math.max(0.0, colorAberration - dt * 10.0)

examples/normalMap.lua

@@ -6,8 +6,8 @@ function love.load()
   y = 0
   scale = 1
 	-- load images
-	image = love.graphics.newImage("gfx/rock.png")
+	image = love.graphics.newImage("examples/gfx/rock.png")
-	image_normal = love.graphics.newImage("gfx/rock_n.png")
+	image_normal = love.graphics.newImage("examples/gfx/rock_n.png")
 
 	-- create light world
 	lightWorld = LightWorld({

examples/postshaders.lua

@@ -8,9 +8,9 @@ function love.load()
   scale = 1
   colorAberration = 0.0
 	-- load images
-	image = love.graphics.newImage("gfx/machine2.png")
+	image = love.graphics.newImage("examples/gfx/machine2.png")
 	quadScreen = love.graphics.newQuad(0, 0, love.window.getWidth() + 32, love.window.getHeight() + 24, 32, 24)
-	imgFloor = love.graphics.newImage("gfx/floor.png")
+	imgFloor = love.graphics.newImage("examples/gfx/floor.png")
 	imgFloor:setWrap("repeat", "repeat")
 
   post_shader = PostShader()

examples/short.lua

@@ -9,10 +9,10 @@ function love.load()
   scale = 1
   colorAberration = 0.0
 	-- load images
-	image = love.graphics.newImage("gfx/machine2.png")
+	image = love.graphics.newImage("examples/gfx/machine2.png")
-	image_normal = love.graphics.newImage("gfx/cone_normal.png")
+	image_normal = love.graphics.newImage("examples/gfx/cone_normal.png")
-	normal = love.graphics.newImage("gfx/refraction_normal.png")
+	normal = love.graphics.newImage("examples/gfx/refraction_normal.png")
-	glow = love.graphics.newImage("gfx/machine2_glow.png")
+	glow = love.graphics.newImage("examples/gfx/machine2_glow.png")
 
 	-- create light world
 	lightWorld = LightWorld({

lib/light.lua

@@ -142,7 +142,7 @@ function light:drawShadow(l,t,w,h,s,bodies, canvas)
     self.shadow:clear()
     util.drawto(self.shadow, l, t, s, function()
  
-      self.shader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, self.z/255.0})
+      self.shader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, (self.z * 10)/255.0})
       self.shader:send("lightRange", self.range*s)
       self.shader:send("lightColor", {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
       self.shader:send("lightSmooth", self.smooth)
@@ -198,7 +198,7 @@ end
 function light:drawNormalShading(l,t,w,h,s, normalMap, canvas)
   if self.visible and self:inRange(l,t,w,h,s) then
     self.normalShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
-    self.normalShader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, self.z / 255.0})
+    self.normalShader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, (self.z * 10) / 255.0})
     self.normalShader:send('lightRange',{self.range})
     self.normalShader:send("lightSmooth", self.smooth)
     self.normalShader:send("lightAngle", math.pi - self.angle / 2.0)

main.lua

@@ -20,13 +20,15 @@ function love.load()
   exf.bigfont = love.graphics.newFont(love._vera_ttf, 24)
   exf.list.font = exf.smallfont
 
-  exf.bigball = love.graphics.newImage("gfx/love-big-ball.png")
+  exf.bigball = love.graphics.newImage("examples/gfx/love-big-ball.png")
 
   -- Find available demos.
   local files =  love.filesystem.getDirectoryItems("examples")
 	local n = 0
 
   for i, v in ipairs(files) do
+    is_file = love.filesystem.isFile("examples/".. v )
+    if is_file then
       n = n + 1
       table.insert(exf.available, v);
       local file = love.filesystem.newFile(v, love.file_read)
@@ -38,6 +40,7 @@ function love.load()
       local title = exf.getn(n) .. " " .. c .. " (" .. v .. ")"
       exf.list:add(title, v)
     end
+  end
 
   exf.list:done()
   exf.resume()