sorting Extrude intersection results, still buggy intersect() though

git-svn-id: svn://anubis/fart/trunk@274 7f9b0f55-74a9-4bce-be96-3c2cd072584d

scenes/extrudes.fart

@@ -0,0 +1,53 @@
+
+scene
+{
+    options
+    {
+        multisample 3
+        exposure 1.2
+    }
+
+    camera
+    {
+        position <0, -10, 10>
+        look_at <0, 0, 1>
+    }
+
+    light { position <10, -12, 8> }
+
+    plane
+    {
+        position <0, 0, 1>, 0
+        material
+        {
+            color <0, 0.5, 0.1>
+        }
+    }
+
+    extrude
+    {
+        polygon
+        {
+            <3, 0>
+            <1, 1>
+            <2, 3>
+            <-1, 1>
+            <-3, 2>
+            <-2, -1>
+            <-3, -3>
+            <-1, -2>
+            <1, -4>
+            <2, -1>
+        }
+        offset 3
+        material { color <1, 0.7, 0> }
+        translate <-2, 0, 0>
+    }
+
+    extrude
+    {
+        ngon 5, 2
+        offset 1
+        translate <2, 0, 0>
+    }
+}