commit 5b9b86c9125e1bcbb57a878285ca29d7897501e8
Author: Jorjon <[email protected]>
Date:   Tue Dec 20 20:40:36 2016 -0300

    Added the ability to specify a color for each slide

diff --git a/UIPolygon.cs b/UIPolygon.cs
index 845e0f6..81ff3ec 100644
--- a/UIPolygon.cs
+++ b/UIPolygon.cs
@@ -19,6 +19,7 @@ namespace UnityEngine.UI.Extensions
         [Range(0, 1)]
         public float[] VerticesDistances = new float[3];
         private float size = 0;
+        public Color[] colors = new Color[3];
 
         public override Texture mainTexture
         {
@@ -69,7 +70,7 @@ namespace UnityEngine.UI.Extensions
                 size = rectTransform.rect.width;
             thickness = (float)Mathf.Clamp(thickness, 0, size / 2);
         }
-        protected UIVertex[] SetVbo(Vector2[] vertices, Vector2[] uvs)
+        protected UIVertex[] SetVbo(Vector2[] vertices, Vector2[] uvs, Color color)
         {
             UIVertex[] vbo = new UIVertex[4];
             for (int i = 0; i < vertices.Length; i++)
@@ -102,6 +103,11 @@ namespace UnityEngine.UI.Extensions
                 VerticesDistances = new float[vertices];
                 for (int i = 0; i < vertices - 1; i++) VerticesDistances[i] = 1;
             }
+            if (colors.Length != sides)
+            {
+                colors = new Color[sides];
+                for (int i = 0; i < sides; i++) colors[i] = Color.white;
+            }
             // last vertex is also the first!
             VerticesDistances[vertices - 1] = VerticesDistances[0];
             for (int i = 0; i < vertices; i++)
@@ -129,7 +135,7 @@ namespace UnityEngine.UI.Extensions
                 }
                 prevX = pos1;
                 prevY = pos2;
-                vh.AddUIVertexQuad(SetVbo(new[] { pos0, pos1, pos2, pos3 }, new[] { uv0, uv1, uv2, uv3 }));
+                vh.AddUIVertexQuad(SetVbo(new[] { pos0, pos1, pos2, pos3 }, new[] { uv0, uv1, uv2, uv3 }, (i == 0 ? Color.white : colors[i - 1]) * color));
             }
         }
     }