graphics.Model3D: +smoothNormals()

org.budnhead/core/SquaredMap.cs

@@ -155,6 +155,7 @@ namespace org.budnhead.core
 
 			model.computeNormals();
 			model.colorMap();
+			model.smoothNormals();
 
 			model.rebind();
 		}

org.budnhead/graphics/Model3D.cs

@@ -4,6 +4,7 @@ using OpenTK.Graphics.OpenGL;
 using OpenTK;
 
 using org.budnhead.core;
+using System.Collections.Generic;
 
 namespace org.budnhead.graphics {
 	
@@ -227,6 +228,37 @@ namespace org.budnhead.graphics {
 		}
 
 
+		public void smoothNormals(){
+			Dictionary<Vector3, List<int>> dnormals = new Dictionary<Vector3, List<int>>();
+
+			for (int n = 0; n < vertexes.Length ; n++){
+				if (!dnormals.ContainsKey(vertexes[n])){
+					dnormals.Add(vertexes[n],new List<int>());
+				}
+
+				dnormals[vertexes[n]].Add(n);
+			}
+
+			foreach (Vector3 v in dnormals.Keys){
+				Vector3 norm = new Vector3();
+				List<int> ind = dnormals[v];
+				foreach (int p in ind){
+					norm += normals[p];
+				}
+
+				norm /= ind.Count;
+
+				foreach (int p in ind){
+					normals[p] = norm;
+				}
+			}
+
+			bindNormals();
+
+		}
+
+
+
 		public class Triangle{
 			Model3D model;
 			int n;