Unflipped Beckmann shader. Also tweaked more LeePerry.

I think normal map scale needs to be now positive, though not sure, it just looks closer to how it was before with positive scale, also mole on the right cheek is elevated instead of sunk.

examples/js/ShaderSkin.js

@@ -708,7 +708,7 @@ THREE.ShaderSkin = {
 
 			"void main() {",
 
-				"vUv = vec2( uv.x, 1.0 - uv.y );",
+				"vUv = uv;",
 				"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
 
 			"}"

examples/obj/leeperrysmith/LeePerrySmith.js

@@ -13,7 +13,7 @@
         "materials"     : 1
     },
 
-    "scale" : 0.05000000,
+    "scale" : 0.053,
 
     "materials": [	{
 	"DbgColor" : 15658734,

examples/webgl_materials_skin.html

@@ -118,7 +118,7 @@
 				var uniformsUV = THREE.UniformsUtils.clone( shader.uniforms );
 
 				uniformsUV[ "tNormal" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg" );
-				uniformsUV[ "uNormalScale" ].value = -0.75;
+				uniformsUV[ "uNormalScale" ].value = 0.75;
 
 				uniformsUV[ "tDiffuse" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );