From f45a70896b88bcd8f287e3db2b38457c601ce70a Mon Sep 17 00:00:00 2001
From: alteredq <postfilter@gmail.com>
Date: Wed, 24 Aug 2011 05:46:16 +0200
Subject: [PATCH] Added heuristics to text example for long side faces to use
 flat shading.

Also enabled antialiasing and disabled default postprocessing.
---
 examples/webgl_geometry_text.html | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/examples/webgl_geometry_text.html b/examples/webgl_geometry_text.html
index 2e671d3b..80f1dbc1 100644
--- a/examples/webgl_geometry_text.html
+++ b/examples/webgl_geometry_text.html
@@ -121,7 +121,7 @@
 			var windowHalfX = window.innerWidth / 2;
 			var windowHalfY = window.innerHeight / 2;
 
-			var postprocessing = { enabled : true };
+			var postprocessing = { enabled : false };
 			var glow = 0.9;
 
 			init();
@@ -222,7 +222,7 @@
 				plane.position.y = 100;
 				scene.addChild( plane );
 
-				renderer = new THREE.WebGLRenderer( { antialias: false } );
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 
 				renderer.setClearColor( scene.fog.color, 1 );
@@ -416,6 +416,8 @@
 
 				if ( ! bevelEnabled ) {
 
+					var triangleAreaHeuristics = 0.1 * ( height * size );
+
 					for ( var i = 0; i < textGeo.faces.length; i ++ ) {
 
 						var face = textGeo.faces[ i ];
@@ -429,8 +431,23 @@
 
 							}
 
-						}
+							var va = textGeo.vertices[ face.a ].position;
+							var vb = textGeo.vertices[ face.b ].position;
+							var vc = textGeo.vertices[ face.c ].position;
 
+							var s = THREE.GeometryUtils.triangleArea( va, vb, vc );
+
+							if ( s > triangleAreaHeuristics ) {
+
+								for ( var j = 0; j < face.vertexNormals.length; j ++ ) {
+
+									face.vertexNormals[ j ].copy( face.normal );
+
+								}
+
+							}
+
+						}
 
 					}