From 5cbca9f63c60feb0bb3b5ba07ac897f3975226ac Mon Sep 17 00:00:00 2001
From: Tim Anema <timanema@gmail.com>
Date: Wed, 3 Dec 2014 08:31:09 -0500
Subject: [PATCH] took care of default polygon normal map problems show up at
 edges

---
 README.md          | 1 -
 examples/short.lua | 8 +++++++-
 lib/body.lua       | 4 ++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 7c6b346..df549f9 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 :todoing
 -make sure all draw calls check if the object is within range
--refactor rectablges to be polygons to reduce code
 -optimize shadow body calculations and drawing methods
 
 # light_world.lua
diff --git a/examples/short.lua b/examples/short.lua
index 5d25f0c..a316015 100644
--- a/examples/short.lua
+++ b/examples/short.lua
@@ -31,7 +31,12 @@ function love.load()
 	-- create shadow bodys
 	circleTest = lightWorld:newCircle(256, 256, 16)
 	rectangleTest = lightWorld:newRectangle(512, 512, 64, 64)
-	polygonTest = lightWorld:newPolygon(100, 200, 120, 200, 150, 250, 100, 250)
+  local px, py, pw, ph = 100, 200, 20, 50
+	polygonTest = lightWorld:newPolygon(
+    px, py, 
+    px+pw, py, 
+    px+pw, py+ph, 
+    px-50, py+ph)
 
 	imageTest = lightWorld:newImage(image, 64, 64, 24, 6)
 	imageTest:setNormalMap(image_normal)
@@ -160,6 +165,7 @@ function love.draw()
     end)
   love.graphics.pop()
 
+
   love.graphics.setBlendMode("alpha")
   love.graphics.setColor(0, 0, 0, 191)
   love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), 24)
diff --git a/lib/body.lua b/lib/body.lua
index 313c64a..ad16dff 100644
--- a/lib/body.lua
+++ b/lib/body.lua
@@ -244,6 +244,7 @@ function body:setPoints(...)
   self.height = self.height - self.y
   for i = 1, #points, 2 do
     points[i], points[i+1] = points[i] - self.x, points[i+1] - self.y
+    print(points[i], points[i+1])
   end
 
   poly_canvas = love.graphics.newCanvas(self.width, self.height)
@@ -256,6 +257,9 @@ function body:setPoints(...)
   self.ix = self.imgWidth * 0.5
   self.iy = self.imgHeight * 0.5
   self:generateNormalMapFlat("top")
+  --wrapping with polygon normals causes edges to show 
+  --also we do not need wrapping for this default normal map
+  self.normal:setWrap("clamp", "clamp")
   self.nx, self.ny = 0, 0
 
   self:setShadowType('polygon', ...)