diff --git a/conf.lua b/conf.lua
index 87841a8..b5987b4 100644
--- a/conf.lua
+++ b/conf.lua
@@ -13,7 +13,7 @@ function love.conf(t)
     t.window.minheight = 1             -- Minimum window height if the window is resizable (number)
     t.window.fullscreen = false        -- Enable fullscreen (boolean)
     t.window.fullscreentype = "normal" -- Standard fullscreen or desktop fullscreen mode (string)
-    t.window.vsync = false             -- Enable vertical sync (boolean)
+    t.window.vsync = true             -- Enable vertical sync (boolean)
     t.window.fsaa = 0                  -- The number of samples to use with multi-sampled antialiasing (number)
     t.window.display = 1               -- Index of the monitor to show the window in (number)
     t.window.highdpi = false           -- Enable high-dpi mode for the window on a Retina display (boolean). Added in 0.9.1
diff --git a/chest.png b/gfx/chest.png
similarity index 100%
rename from chest.png
rename to gfx/chest.png
diff --git a/gfx/chest_normal.png b/gfx/chest_normal.png
new file mode 100644
index 0000000..cb0decf
Binary files /dev/null and b/gfx/chest_normal.png differ
diff --git a/circle.png b/gfx/circle.png
similarity index 100%
rename from circle.png
rename to gfx/circle.png
diff --git a/circle_normal.png b/gfx/circle_normal.png
similarity index 100%
rename from circle_normal.png
rename to gfx/circle_normal.png
diff --git a/cone.png b/gfx/cone.png
similarity index 70%
rename from cone.png
rename to gfx/cone.png
index 01b7fd5..6b18ab7 100644
Binary files a/cone.png and b/gfx/cone.png differ
diff --git a/cone_normal.png b/gfx/cone_normal.png
similarity index 100%
rename from cone_normal.png
rename to gfx/cone_normal.png
diff --git a/floor.png b/gfx/floor.png
similarity index 96%
rename from floor.png
rename to gfx/floor.png
index f11b5fa..5194889 100644
Binary files a/floor.png and b/gfx/floor.png differ
diff --git a/gfx/font.png b/gfx/font.png
new file mode 100644
index 0000000..35a49d8
Binary files /dev/null and b/gfx/font.png differ
diff --git a/gfx/machine.png b/gfx/machine.png
new file mode 100644
index 0000000..6df0cde
Binary files /dev/null and b/gfx/machine.png differ
diff --git a/gfx/machine2.png b/gfx/machine2.png
new file mode 100644
index 0000000..f0f4ec7
Binary files /dev/null and b/gfx/machine2.png differ
diff --git a/chest_normal.png b/gfx/machine2_glow.png
similarity index 66%
rename from chest_normal.png
rename to gfx/machine2_glow.png
index 0bdf2b1..030c494 100644
Binary files a/chest_normal.png and b/gfx/machine2_glow.png differ
diff --git a/gfx/machine2_normal.png b/gfx/machine2_normal.png
new file mode 100644
index 0000000..879997f
Binary files /dev/null and b/gfx/machine2_normal.png differ
diff --git a/gfx/machine_glow.png b/gfx/machine_glow.png
new file mode 100644
index 0000000..897c0da
Binary files /dev/null and b/gfx/machine_glow.png differ
diff --git a/gfx/machine_normal.png b/gfx/machine_normal.png
new file mode 100644
index 0000000..ff0cc5a
Binary files /dev/null and b/gfx/machine_normal.png differ
diff --git a/normal_palett.png b/gfx/normal_palett.png
similarity index 100%
rename from normal_palett.png
rename to gfx/normal_palett.png
diff --git a/light.lua b/light.lua
index a5080e6..ce93782 100644
--- a/light.lua
+++ b/light.lua
@@ -18,13 +18,18 @@ function love.light.newWorld()
 	o.poly = {}
 	o.img = {}
 	o.shadow = love.graphics.newCanvas()
+	o.shadow2 = love.graphics.newCanvas()
 	o.shine = love.graphics.newCanvas()
+	o.normalMap = love.graphics.newCanvas()
+	o.glowMap = love.graphics.newCanvas()
+	o.glowMap2 = love.graphics.newCanvas()
+	o.isGlowBlur = false
 	o.pixelShadow = love.graphics.newCanvas()
 	o.pixelShadow2 = love.graphics.newCanvas()
 	o.shader = love.graphics.newShader("shader/poly_shadow.glsl")
 	o.shader2 = love.graphics.newShader("shader/pixel_self_shadow.glsl")
 	o.changed = true
-	o.blur = true
+	o.blur = 2.0
 	-- update
 	o.update = function()
 		LOVE_LIGHT_LAST_BUFFER = love.graphics.getCanvas()
@@ -58,8 +63,8 @@ function love.light.newWorld()
 					o.lights[i].glowStrength
 				}
 
-				if  curLightX+curLightRange > 0 and curLightX-curLightRange < love.graphics.getWidth()
-				and curLightY+curLightRange > 0 and curLightY-curLightRange < love.graphics.getHeight()
+				if  curLightX + curLightRange > 0 and curLightX - curLightRange < love.graphics.getWidth()
+				and curLightY + curLightRange > 0 and curLightY - curLightRange < love.graphics.getHeight()
 				then
 					local lightposrange = {curLightX, love.graphics.getHeight() - curLightY, curLightRange}
 					LOVE_LIGHT_CURRENT = o.lights[i]
@@ -88,6 +93,10 @@ function love.light.newWorld()
 					love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
 
 					lightsOnScreen = lightsOnScreen + 1
+
+					o.lights[i].visible = true
+				else
+					o.lights[i].visible = false
 				end
 
 				o.lights[i].changed = o.changed
@@ -105,8 +114,11 @@ function love.light.newWorld()
 			love.graphics.setColor(255, 255, 255)
 			love.graphics.setBlendMode("additive")
 			for i = 1, #o.lights do
-				love.graphics.draw(o.lights[i].shadow)
+				if o.lights[i].visible then
+					love.graphics.draw(o.lights[i].shadow)
+				end
 			end
+			o.isShadowBlur = false
 		end
 
 		-- update shine
@@ -114,26 +126,34 @@ function love.light.newWorld()
 		love.graphics.setColor(unpack(o.ambient))
 		love.graphics.setBlendMode("alpha")
 		love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
-		love.graphics.setColor(255,255,255)
+		love.graphics.setColor(255, 255, 255)
 		love.graphics.setBlendMode("additive")
 		for i = 1, #o.lights do
-			love.graphics.draw(o.lights[i].shine)
-		end
-
-				love.graphics.setColor(255, 255, 255)
-		love.graphics.setBlendMode("alpha")
-		o.pixelShadow:clear()
-		math.randomseed(2)
-		love.graphics.setShader()
-		love.graphics.setCanvas(o.pixelShadow)
-
-		for i = 1, #o.img do
-			if o.img[i].normal then
-				love.graphics.draw(o.img[i].normal, o.img[i].x - o.img[i].ox2, o.img[i].y - o.img[i].oy2)
+			if o.lights[i].visible then
+				love.graphics.draw(o.lights[i].shine)
 			end
 		end
 
 		-- update pixel shadow
+		love.graphics.setColor(255, 255, 255)
+		love.graphics.setBlendMode("alpha")
+
+		-- create normal map
+		if o.changed then
+			o.normalMap:clear()
+			love.graphics.setShader()
+			love.graphics.setCanvas(o.normalMap)
+			for i = 1, #o.img do
+				if o.img[i].normal then
+					love.graphics.setColor(255, 255, 255)
+					love.graphics.draw(o.img[i].normal, o.img[i].x - o.img[i].ox2, o.img[i].y - o.img[i].oy2)
+				else
+					love.graphics.setColor(127, 127, 255)
+					love.graphics.rectangle("fill", o.img[i].x - o.img[i].ox2, o.img[i].y - o.img[i].oy2, o.img[i].imgWidth, o.img[i].imgHeight)
+				end
+			end
+		end
+
 		o.pixelShadow2:clear()
 		love.graphics.setCanvas(o.pixelShadow2)
 		love.graphics.setBlendMode("additive")
@@ -145,17 +165,19 @@ function love.light.newWorld()
 			o.ambient[3] / 255.0
 		}
 		for i = 1, #o.lights do
-			local curLightColor = {
-				o.lights[i].red / 255.0,
-				o.lights[i].green / 255.0,
-				o.lights[i].blue / 255.0
-			}
-			o.shader2:send("lightPosition", {o.lights[i].x, love.graphics.getHeight() - o.lights[i].y, 16})
-			o.shader2:send("lightRange", {o.lights[i].range})
-			o.shader2:send("lightColor", curLightColor)
-			o.shader2:send("lightAmbient", curLightAmbient)
-			o.shader2:send("lightSmooth", {o.lights[i].smooth})
-			love.graphics.draw(o.pixelShadow)
+			if o.lights[i].visible then
+				local curLightColor = {
+					o.lights[i].red / 255.0,
+					o.lights[i].green / 255.0,
+					o.lights[i].blue / 255.0
+				}
+				o.shader2:send("lightPosition", {o.lights[i].x, love.graphics.getHeight() - o.lights[i].y, 16})
+				o.shader2:send("lightRange", {o.lights[i].range})
+				o.shader2:send("lightColor", curLightColor)
+				o.shader2:send("lightAmbient", curLightAmbient)
+				o.shader2:send("lightSmooth", {o.lights[i].smooth})
+				love.graphics.draw(o.normalMap)
+			end
 		end
 
 		love.graphics.setShader()
@@ -164,6 +186,18 @@ function love.light.newWorld()
 		love.graphics.setBlendMode("alpha")
 		love.graphics.draw(o.pixelShadow2)
 
+		-- create glow map
+		if o.changed then
+			o.glowMap:clear(0, 0, 0)
+			love.graphics.setCanvas(o.glowMap)
+			for i = 1, #o.img do
+				if o.img[i].glow then
+					love.graphics.draw(o.img[i].glow, o.img[i].x - o.img[i].ox2, o.img[i].y - o.img[i].oy2)
+				end
+			end
+			o.isGlowBlur = false
+		end
+
 		love.graphics.setShader()
 		love.graphics.setBlendMode("alpha")
 		love.graphics.setStencil()
@@ -176,12 +210,15 @@ function love.light.newWorld()
 		love.graphics.setColor(255, 255, 255)
 		if o.blur then
 			LOVE_LIGHT_LAST_BUFFER = love.graphics.getCanvas()
+			LOVE_LIGHT_BLURV:send("steps", o.blur)
+			LOVE_LIGHT_BLURH:send("steps", o.blur)
 			love.graphics.setBlendMode("alpha")
-			love.graphics.setCanvas(o.shadow)
+			love.graphics.setCanvas(o.shadow2)
 			love.graphics.setShader(LOVE_LIGHT_BLURV)
 			love.graphics.draw(o.shadow)
+			love.graphics.setCanvas(o.shadow)
 			love.graphics.setShader(LOVE_LIGHT_BLURH)
-			love.graphics.draw(o.shadow)
+			love.graphics.draw(o.shadow2)
 			love.graphics.setCanvas(LOVE_LIGHT_LAST_BUFFER)
 			love.graphics.setBlendMode("multiplicative")
 			love.graphics.setShader()
@@ -205,24 +242,37 @@ function love.light.newWorld()
 	-- draw pixel shadow
 	o.drawPixelShadow = function()
 		love.graphics.setColor(255, 255, 255)
-		if o.blur and false then
-			LOVE_LIGHT_LAST_BUFFER = love.graphics.getCanvas()
-			love.graphics.setBlendMode("alpha")
-			love.graphics.setCanvas(o.pixelShadow)
-			love.graphics.setShader(LOVE_LIGHT_BLURV)
-			love.graphics.draw(o.pixelShadow)
-			love.graphics.setShader(LOVE_LIGHT_BLURH)
-			love.graphics.draw(o.pixelShadow)
-			love.graphics.setCanvas(LOVE_LIGHT_LAST_BUFFER)
-			love.graphics.setBlendMode("multiplicative")
+		love.graphics.setBlendMode("multiplicative")
+		love.graphics.setShader()
+		love.graphics.draw(o.pixelShadow)
+		love.graphics.setBlendMode("alpha")
+	end
+	-- draw glow
+	o.drawGlow = function()
+		love.graphics.setColor(255, 255, 255)
+		if o.isGlowBlur then
+			love.graphics.setBlendMode("additive")
 			love.graphics.setShader()
-			love.graphics.draw(o.pixelShadow)
+			love.graphics.draw(o.glowMap)
 			love.graphics.setBlendMode("alpha")
 		else
-			love.graphics.setBlendMode("multiplicative")
-			love.graphics.setShader()
-			love.graphics.draw(o.pixelShadow)
+			LOVE_LIGHT_BLURV:send("steps", 1.0)
+			LOVE_LIGHT_BLURH:send("steps", 1.0)
+			LOVE_LIGHT_LAST_BUFFER = love.graphics.getCanvas()
 			love.graphics.setBlendMode("alpha")
+			love.graphics.setCanvas(o.glowMap2)
+			love.graphics.setShader(LOVE_LIGHT_BLURV)
+			love.graphics.draw(o.glowMap)
+			love.graphics.setCanvas(o.glowMap)
+			love.graphics.setShader(LOVE_LIGHT_BLURH)
+			love.graphics.draw(o.glowMap2)
+			love.graphics.setCanvas(LOVE_LIGHT_LAST_BUFFER)
+			love.graphics.setBlendMode("additive")
+			love.graphics.setShader()
+			love.graphics.draw(o.glowMap)
+			love.graphics.setBlendMode("alpha")
+
+			o.isGlowBlur = true
 		end
 	end
 	-- new light
@@ -234,12 +284,14 @@ function love.light.newWorld()
 	-- clear lights
 	o.clearLights = function()
 		o.lights = {}
+		o.changed = true
 	end
 	-- clear objects
 	o.clearObjects = function()
 		o.poly = {}
 		o.circle = {}
 		o.img = {}
+		o.changed = true
 	end
 	-- set ambient color
 	o.setAmbientColor = function(red, green, blue)
@@ -294,6 +346,18 @@ function love.light.newWorld()
 	o.getPoints = function(n)
 		return unpack(o.poly[n].data)
 	end
+	-- set light position
+	o.setLightPosition = function(n, x, y)
+		o.lights[n].setPosition(x, y)
+	end
+	-- set light x
+	o.setLightX = function(n, x)
+		o.lights[n].setX(x)
+	end
+	-- set light y
+	o.setLightY = function(n, y)
+		o.lights[n].setY(y)
+	end
 	-- get light count
 	o.getLightCount = function()
 		return #o.lights
@@ -326,6 +390,7 @@ function love.light.newLight(p, x, y, red, green, blue, range)
 	o.glowSize = 0.1
 	o.glowStrength = 0.0
 	o.changed = true
+	o.visible = true
 	-- set position
 	o.setPosition = function(x, y)
 		if x ~= o.x or y ~= o.y then
@@ -334,6 +399,20 @@ function love.light.newLight(p, x, y, red, green, blue, range)
 			o.changed = true
 		end
 	end
+	-- set x
+	o.setX = function(x)
+		if x ~= o.x then
+			o.x = x
+			o.changed = true
+		end
+	end
+	-- set y
+	o.setY = function(y)
+		if y ~= o.y then
+			o.y = y
+			o.changed = true
+		end
+	end
 	-- set color
 	o.setColor = function(red, green, blue)
 		o.red = red
@@ -549,6 +628,7 @@ function love.light.newImage(p, img, x, y, width, height, ox, oy)
 	o.id = #p.img
 	o.img = img
 	o.normal = nil
+	o.glow = nil
 	o.x = x
 	o.y = y
 	o.width = width or img:getWidth()
@@ -557,6 +637,8 @@ function love.light.newImage(p, img, x, y, width, height, ox, oy)
 	o.oy = o.height / 2.0
 	o.ox2 = ox or o.width / 2.0
 	o.oy2 = oy or o.height / 2.0
+	o.imgWidth = img:getWidth()
+	o.imgHeight = img:getHeight()
 	o.shine = true
 	p.changed = true
 	o.data = {
@@ -611,9 +693,13 @@ function love.light.newImage(p, img, x, y, width, height, ox, oy)
 		o.img = img
 	end
 	-- set normal
-	o.setNormal = function(normal)
+	o.setNormalMap = function(normal)
 		o.normal = normal
 	end
+	-- set normal
+	o.setGlowMap = function(glow)
+		o.glow = glow
+	end
 	-- get type
 	o.getType = function()
 		return "image"
diff --git a/main.lua b/main.lua
index 5f4e3a3..5699501 100644
--- a/main.lua
+++ b/main.lua
@@ -24,11 +24,6 @@ function initScene()
 	wall4.shape = love.physics.newRectangleShape(0, 0, 800, 10)
 	wall4.fixture = love.physics.newFixture(wall4.body, wall4.shape)
 
-	myPoly1 = lightWorld.newPolygon(wall1.body:getWorldPoints(wall1.shape:getPoints()))
-	myPoly2 = lightWorld.newPolygon(wall2.body:getWorldPoints(wall2.shape:getPoints()))
-	myPoly3 = lightWorld.newPolygon(wall3.body:getWorldPoints(wall3.shape:getPoints()))
-	myPoly4 = lightWorld.newPolygon(wall4.body:getWorldPoints(wall4.shape:getPoints()))
-
 	phyCnt = 0
 	phyLight = {}
 	phyBody = {}
@@ -39,55 +34,63 @@ end
 function love.load()
     love.graphics.setBackgroundColor(0, 0, 0)
 	love.graphics.setDefaultFilter("nearest", "nearest")
-	quadScreen = love.graphics.newQuad(0, 0, love.window.getWidth(), love.window.getHeight(), 32, 32)
-	imgFloor = love.graphics.newImage("floor.png")
+
+	-- load image font
+	font = love.graphics.newImageFont("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:setWrap("repeat", "repeat")
 
-	circle = love.graphics.newImage "circle.png"
-	circle_normal = love.graphics.newImage "circle_normal.png"
-	cone = love.graphics.newImage "cone.png"
-	cone_normal = love.graphics.newImage "cone_normal.png"
-	chest = love.graphics.newImage "chest.png"
-	chest_normal = love.graphics.newImage "chest_normal.png"
+	-- load image examples
+	circle = love.graphics.newImage "gfx/circle.png"
+	circle_normal = love.graphics.newImage "gfx/circle_normal.png"
+	cone = love.graphics.newImage "gfx/cone.png"
+	cone_normal = love.graphics.newImage "gfx/cone_normal.png"
+	chest = love.graphics.newImage "gfx/chest.png"
+	chest_normal = love.graphics.newImage "gfx/chest_normal.png"
+	machine = love.graphics.newImage "gfx/machine.png"
+	machine_normal = love.graphics.newImage "gfx/machine_normal.png"
+	machine_glow = love.graphics.newImage "gfx/machine_glow.png"
+	machine2 = love.graphics.newImage "gfx/machine2.png"
+	machine2_normal = love.graphics.newImage "gfx/machine2_normal.png"
+	machine2_glow = love.graphics.newImage "gfx/machine2_glow.png"
 
 	-- light world
-	lightRange = 400
+	lightRange = 300
 	lightSmooth = 1.0
 	lightWorld = love.light.newWorld()
 	lightWorld.setAmbientColor(15, 15, 31)
 	mouseLight = lightWorld.newLight(0, 0, 255, 127, 63, lightRange)
 	mouseLight.setGlowStrength(0.3)
+	mouseLight.setSmooth(lightSmooth)
 
 	-- init physic world
 	initScene()
 
-	helpOn = true
+	helpOn = false
 	physicOn = false
 	lightOn = true
 	gravityOn = 1
-	shadowBlurOn = true
+	shadowBlur = 2.0
 	bloomOn = true
 	textureOn = true
+
+	offsetX = 0.0
+	offsetY = 0.0
+	offsetOldX = 0.0
+	offsetOldY = 0.0
+	offsetChanged = false
 end
 
 function love.update(dt)
-	love.window.setTitle("FPS:" .. love.timer.getFPS())
+	love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
 	mouseLight.setPosition(love.mouse.getX(), love.mouse.getY())
 	mx = love.mouse.getX()
 	my = love.mouse.getY()
 
-    for i = 1, phyCnt do
-		if phyBody[i]:isAwake() then
-			if phyLight[i].getType() == "polygon" then
-				phyLight[i].setPoints(phyBody[i]:getWorldPoints(phyShape[i]:getPoints()))
-			elseif phyLight[i].getType() == "circle" then
-				phyLight[i].setPosition(phyBody[i]:getX(), phyBody[i]:getY())
-			elseif phyLight[i].getType() == "image" then
-				phyLight[i].setPosition(phyBody[i]:getX(), phyBody[i]:getY())
-			end
-		end
-    end
-
 	if love.keyboard.isDown("w") then
 		for i = 1, phyCnt do
 			phyBody[i]:applyForce(0, -2000)
@@ -108,17 +111,57 @@ function love.update(dt)
 		end
 	end
 
+	if love.keyboard.isDown("up") then
+		offsetY = offsetY + dt * 200
+	elseif love.keyboard.isDown("down") then
+		offsetY = offsetY - dt * 200
+	end
+
+	if love.keyboard.isDown("left") then
+		offsetX = offsetX + dt * 200
+	elseif love.keyboard.isDown("right") then
+		offsetX = offsetX - dt * 200
+	end
+
+	if offsetX ~= offsetOldX or offsetY ~= offsetOldY then
+		offsetChanged = true
+		for i = 2, lightWorld.getLightCount() do
+			lightWorld.setLightPosition(i, lightWorld.getLightX(i) + (offsetX - offsetOldX), lightWorld.getLightY(i) + (offsetY - offsetOldY))
+		end
+	else
+		offsetChanged = false
+	end
+
+    for i = 1, phyCnt do
+		if phyBody[i]:isAwake() or offsetChanged then
+			if offsetChanged then
+				phyBody[i]:setX(phyBody[i]:getX() + (offsetX - offsetOldX))
+				phyBody[i]:setY(phyBody[i]:getY() + (offsetY - offsetOldY))
+			end
+			if phyLight[i].getType() == "polygon" then
+				phyLight[i].setPoints(phyBody[i]:getWorldPoints(phyShape[i]:getPoints()))
+			elseif phyLight[i].getType() == "circle" then
+				phyLight[i].setPosition(phyBody[i]:getX(), phyBody[i]:getY())
+			elseif phyLight[i].getType() == "image" then
+				phyLight[i].setPosition(phyBody[i]:getX(), phyBody[i]:getY())
+			end
+		end
+    end
+
 	if physicOn then
 		physicWorld:update(dt)
 	end
 
-	-- update lightmap
-	if lightOn then
-		lightWorld.update(dt)
-	end
+	offsetOldX = offsetX
+	offsetOldY = offsetY
 end
 
 function love.draw()
+	-- update lightmap (don't need deltatime)
+	if lightOn then
+		lightWorld.update()
+	end
+
 	-- set shader buffer
 	if bloomOn then
 		love.postshader.setBuffer("render")
@@ -127,7 +170,7 @@ function love.draw()
 	love.graphics.setBlendMode("alpha")
 	love.graphics.setColor(255, 255, 255)
 	if textureOn then
-		love.graphics.draw(imgFloor, quadScreen)
+		love.graphics.draw(imgFloor, quadScreen, offsetX % 32 - 32, offsetY % 24 - 24)
 	else
 		love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
 	end
@@ -151,76 +194,89 @@ function love.draw()
 	end
 
 	for i = 1, phyCnt do
-		love.graphics.setColor(191 + math.sin(i) * 63, 191 + math.cos(i) * 63, 191 + math.tan(i) * 63)
 		if phyLight[i].getType() == "image" then
+			love.graphics.setColor(223 + math.sin(i) * 31, 223 + math.cos(i) * 31, 223 + math.tan(i) * 31)
 			love.graphics.draw(phyLight[i].img, phyLight[i].x - phyLight[i].ox2, phyLight[i].y - phyLight[i].oy2)
 		end
 	end
 
 	-- draw pixel shadow
-	lightWorld.drawPixelShadow()
+	if lightOn then
+		lightWorld.drawPixelShadow()
+	end
+
+	-- draw glow
+	if lightOn then
+		lightWorld.drawGlow()
+	end
 
 	-- draw help
 	if helpOn then
+		love.graphics.setBlendMode("alpha")
 		love.graphics.setColor(0, 0, 0, 191)
-		love.graphics.rectangle("fill", 8, 8, 210, 16 * 16)
-		love.graphics.setColor(0, 127, 255)
-		love.graphics.print("WASD: Move objects", 16, 16)
+		love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), 44)
+		love.graphics.rectangle("fill", 0, love.graphics.getHeight() - 68, 240, 68)
+		love.graphics.rectangle("fill", love.graphics.getWidth() - 244, love.graphics.getHeight() - 84, 244, 84)
 		love.graphics.setColor(0, 255, 0)
-		love.graphics.print("F1: Help on", 16, 32)
+		love.graphics.print("F1: Help (on)", 4 + 152 * 0, 4)
 		if physicOn then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F2: Physic on", 16, 48)
+			love.graphics.print("F2: Physic (on)", 4 + 152 * 1, 4)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F2: Physic off", 16, 48)
+			love.graphics.print("F2: Physic (off)", 4 + 152 * 1, 4)
 		end
 		if lightOn then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F3: Light on", 16, 64)
+			love.graphics.print("F3: Light (on)", 4 + 152 * 2, 4)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F3: Light off", 16, 64)
+			love.graphics.print("F3: Light (off)", 4 + 152 * 2, 4)
 		end
 		if gravityOn == 1.0 then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F4: Gravity on", 16, 80)
+			love.graphics.print("F4: Gravity (on)", 4 + 152 * 3, 4)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F4: Gravity off", 16, 80)
+			love.graphics.print("F4: Gravity (off)", 4 + 152 * 3, 4)
 		end
-		if shadowBlurOn then
+		if shadowBlur >= 1.0 then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F5: Shadowblur on", 16, 96)
+			love.graphics.print("F5: Shadowblur (" .. shadowBlur .. ")", 4 + 152 * 4, 4)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F5: Shadowblur off", 16, 96)
+			love.graphics.print("F5: Shadowblur (off)", 4 + 152 * 4, 4)
 		end
 		if bloomOn then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F6: Bloom on", 16, 112)
+			love.graphics.print("F6: Bloom on", 4 + 152 * 0, 4 + 20 * 1)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F6: Bloom off", 16, 112)
+			love.graphics.print("F6: Bloom off", 4 + 152 * 0, 4 + 20 * 1)
 		end
 		if textureOn then
 			love.graphics.setColor(0, 255, 0)
-			love.graphics.print("F7: Texture on", 16, 128)
+			love.graphics.print("F7: Texture on", 4 + 152 * 1, 4 + 20 * 1)
 		else
 			love.graphics.setColor(255, 0, 0)
-			love.graphics.print("F7: Texture off", 16, 128)
+			love.graphics.print("F7: Texture off", 4 + 152 * 1, 4 + 20 * 1)
 		end
-		love.graphics.setColor(255, 255, 255)
-		love.graphics.print("F11: Clear objects", 16, 144)
-		love.graphics.print("F12: Clear lights", 16, 160)
-		love.graphics.print("M.left: Add cube", 16, 176)
-		love.graphics.print("M.middle: Add light", 16, 192)
-		love.graphics.print("M.right: Add circle", 16, 208)
-		love.graphics.print("M.scroll: Change smooth", 16, 224)
-		love.graphics.print("1-3: Add image", 16, 240)
+		love.graphics.setColor(255, 0, 255)
+		love.graphics.print("F11: Clear obj.", 4 + 152 * 3, 4 + 20 * 1)
+		love.graphics.print("F12: Clear lights", 4 + 152 * 4, 4 + 20 * 1)
+		love.graphics.setColor(0, 127, 255)
+		love.graphics.print("WASD Keys: Move objects", 4, love.graphics.getHeight() - 20 * 3)
+		love.graphics.print("Arrow Keys: Move map", 4, love.graphics.getHeight() - 20 * 2)
+		love.graphics.print("1-5 Keys: Add image", 4, love.graphics.getHeight() - 20 * 1)
+		love.graphics.setColor(255, 127, 0)
+		love.graphics.print("M.left: Add cube", love.graphics.getWidth() - 240, love.graphics.getHeight() - 20 * 4)
+		love.graphics.print("M.middle: Add light", love.graphics.getWidth() - 240, love.graphics.getHeight() - 20 * 3)
+		love.graphics.print("M.right: Add circle", love.graphics.getWidth() - 240, love.graphics.getHeight() - 20 * 2)
+		love.graphics.print("M.scroll: Change smooth", love.graphics.getWidth() - 240, love.graphics.getHeight() - 20 * 1)
+		love.graphics.setColor(255, 127, 0)
 	else
-		love.graphics.setColor(255, 255, 255, 63)
-		love.graphics.print("F1: Help", 8, 8)
+		love.graphics.setColor(255, 255, 255, 191)
+		love.graphics.print("F1: Help", 4, 4)
 	end
 
 	-- draw shader
@@ -262,11 +318,15 @@ function love.mousepressed(x, y, c)
 		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
 		phyFixture[phyCnt]:setRestitution(0.5)
 	elseif c == "wu" then
-		lightSmooth = lightSmooth * 1.1
-		mouseLight.setSmooth(lightSmooth)
+		if lightSmooth < 4.0 then
+			lightSmooth = lightSmooth * 1.1
+			mouseLight.setSmooth(lightSmooth)
+		end
 	elseif c == "wd" then
-		lightSmooth = lightSmooth / 1.1
-		mouseLight.setSmooth(lightSmooth)
+		if lightSmooth > 0.5 then
+			lightSmooth = lightSmooth / 1.1
+			mouseLight.setSmooth(lightSmooth)
+		end
 	end
 end
 
@@ -282,8 +342,11 @@ function love.keypressed(k, u)
 		gravityOn = 1 - gravityOn
 		physicWorld:setGravity(0, gravityOn * 9.81 * 64)
 	elseif k == "f5" then
-		shadowBlurOn = not shadowBlurOn
-		lightWorld.setBlur(shadowBlurOn)
+		shadowBlur = math.max(1, shadowBlur * 2.0)
+		if shadowBlur > 8.0 then
+			shadowBlur = 0.0
+		end
+		lightWorld.setBlur(shadowBlur)
 	elseif k == "f6" then
 		bloomOn = not bloomOn
 	elseif k == "f7" then
@@ -296,11 +359,12 @@ function love.keypressed(k, u)
 		lightWorld.clearLights()
 		mouseLight = lightWorld.newLight(0, 0, 255, 127, 63, lightRange)
 		mouseLight.setGlowStrength(0.3)
+		mouseLight.setSmooth(lightSmooth)
 	elseif k == "1" then
 		-- add image
 		phyCnt = phyCnt + 1
 		phyLight[phyCnt] = lightWorld.newImage(circle, mx, my)
-		phyLight[phyCnt].setNormal(circle_normal)
+		phyLight[phyCnt].setNormalMap(circle_normal)
 		phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
 		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 32, 32)
 		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
@@ -309,19 +373,39 @@ function love.keypressed(k, u)
 		-- add image
 		phyCnt = phyCnt + 1
 		phyLight[phyCnt] = lightWorld.newImage(cone, mx, my, 24, 12, 12, 28)
-		phyLight[phyCnt].setNormal(cone_normal)
+		phyLight[phyCnt].setNormalMap(cone_normal)
 		phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
-		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 25, 32)
+		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 24, 32)
 		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
 		phyFixture[phyCnt]:setRestitution(0.5)
 	elseif k == "3" then
 		-- add image
 		phyCnt = phyCnt + 1
 		phyLight[phyCnt] = lightWorld.newImage(chest, mx, my, 32, 24, 16, 36)
-		phyLight[phyCnt].setNormal(chest_normal)
+		phyLight[phyCnt].setNormalMap(chest_normal)
 		phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
 		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 32, 24)
 		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
 		phyFixture[phyCnt]:setRestitution(0.5)
+	elseif k == "4" then
+		-- add image
+		phyCnt = phyCnt + 1
+		phyLight[phyCnt] = lightWorld.newImage(machine, mx, my, 32, 24, 16, 36)
+		phyLight[phyCnt].setNormalMap(machine_normal)
+		phyLight[phyCnt].setGlowMap(machine_glow)
+		phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
+		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 32, 24)
+		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
+		phyFixture[phyCnt]:setRestitution(0.5)
+	elseif k == "5" then
+		-- add image
+		phyCnt = phyCnt + 1
+		phyLight[phyCnt] = lightWorld.newImage(machine2, mx, my, 24, 12, 12, 28)
+		phyLight[phyCnt].setNormalMap(machine2_normal)
+		phyLight[phyCnt].setGlowMap(machine2_glow)
+		phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
+		phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 24, 32)
+		phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
+		phyFixture[phyCnt]:setRestitution(0.5)
 	end
 end
\ No newline at end of file
diff --git a/postshader.lua b/postshader.lua
index 0d8db31..e96e7ed 100644
--- a/postshader.lua
+++ b/postshader.lua
@@ -46,6 +46,8 @@ love.postshader.draw = function(shader)
 		love.graphics.setBlendMode("alpha")
 	elseif shader == "blur" then
 		-- Blur Shader
+		LOVE_POSTSHADER_BLURV:send("steps", 2.0)
+		LOVE_POSTSHADER_BLURH:send("steps", 2.0)
 		love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_BACK)
 		love.graphics.setBlendMode("alpha")
 
diff --git a/shader/blurh.glsl b/shader/blurh.glsl
index 275c6bd..747f383 100644
--- a/shader/blurh.glsl
+++ b/shader/blurh.glsl
@@ -1,14 +1,13 @@
 extern vec2 screen = vec2(800.0, 600.0);
+extern float steps = 2.0;
 
 vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
 	vec2 pSize = vec2(1.0 / screen.x, 1.0 / screen.y);
 	vec4 col = Texel(texture, texture_coords);
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y - pSize.y));
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y + pSize.y));
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y - pSize.y * 2));
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y + pSize.y * 2));
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y - pSize.y * 3));
-	col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y + pSize.y * 3));
-	col = col / 7.0;
+	for(int i = 1; i <= steps; i++) {
+		col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y - pSize.y * i));
+		col = col + Texel(texture, vec2(texture_coords.x, texture_coords.y + pSize.y * i));
+	}
+	col = col / (steps * 2.0 + 1.0);
 	return vec4(col.r, col.g, col.b, 1.0);
 }
\ No newline at end of file
diff --git a/shader/blurv.glsl b/shader/blurv.glsl
index 645acc4..f92b51a 100644
--- a/shader/blurv.glsl
+++ b/shader/blurv.glsl
@@ -1,14 +1,13 @@
 extern vec2 screen = vec2(800.0, 600.0);
+extern float steps = 2.0;
 
 vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
 	vec2 pSize = vec2(1.0 / screen.x, 1.0 / screen.y);
 	vec4 col = Texel(texture, texture_coords);
-	col = col + Texel(texture, vec2(texture_coords.x - pSize.x, texture_coords.y));
-	col = col + Texel(texture, vec2(texture_coords.x + pSize.x, texture_coords.y));
-	col = col + Texel(texture, vec2(texture_coords.x - pSize.x * 2, texture_coords.y));
-	col = col + Texel(texture, vec2(texture_coords.x + pSize.x * 2, texture_coords.y));
-	col = col + Texel(texture, vec2(texture_coords.x - pSize.x * 3, texture_coords.y));
-	col = col + Texel(texture, vec2(texture_coords.x + pSize.x * 3, texture_coords.y));
-	col = col / 7.0;
+	for(int i = 1; i <= steps; i++) {
+		col = col + Texel(texture, vec2(texture_coords.x - pSize.x * i, texture_coords.y));
+		col = col + Texel(texture, vec2(texture_coords.x + pSize.x * i, texture_coords.y));
+	}
+	col = col / (steps * 2.0 + 1.0);
 	return vec4(col.r, col.g, col.b, 1.0);
 }
\ No newline at end of file
diff --git a/shader/pixel_self_shadow.glsl b/shader/pixel_self_shadow.glsl
index c430c1e..61d4603 100644
--- a/shader/pixel_self_shadow.glsl
+++ b/shader/pixel_self_shadow.glsl
@@ -14,8 +14,8 @@ vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
 
 	float att = 1 - distance / lightRange;
 
-	if(distance < lightRange && pixel.a > 0.0) {
-		return vec4(vec3(clamp(1 - dot(normal, lightDirection), 0.0, 1.0)) * lightColor * pow(att, lightSmooth) + lightAmbient, 1.0);
+	if(pixel.a > 0.0 && distance < lightRange) {
+		return vec4(vec3(clamp((1 - dot(normal, lightDirection)) * pow(att, lightSmooth * 4.0), 0.0, 1.0)) * lightColor + lightAmbient, 1.0);
 	} else if(pixel.a == 0.0) {
 		return vec4(0.0);
 	} else {