From 1ecd803e87119c0344b91798792130155a82859c Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Fri, 23 Nov 2007 05:56:35 +0000
Subject: * added some functions for use in raytracing.  They're kind of crappy
 now, so they only display 'guesses' on the console when you rez a prim. * any
 math gurus who'd like to improve rezzing need only to make the raytracer in
 SceneObjectPart work :D

---
 OpenSim/Region/Environment/Scenes/InnerScene.cs | 27 +++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'OpenSim/Region/Environment/Scenes/InnerScene.cs')

diff --git a/OpenSim/Region/Environment/Scenes/InnerScene.cs b/OpenSim/Region/Environment/Scenes/InnerScene.cs
index 38a8a06..8f7cbee 100644
--- a/OpenSim/Region/Environment/Scenes/InnerScene.cs
+++ b/OpenSim/Region/Environment/Scenes/InnerScene.cs
@@ -253,6 +253,33 @@ namespace OpenSim.Region.Environment.Scenes
             return null;
         }
 
+        public EntityIntersection GetClosestIntersectingPrim(Ray hray)
+        {
+            // Primitive Ray Tracing
+            bool gothit = false;
+            float closestDistance = 280f;
+            EntityIntersection returnResult = new EntityIntersection();
+            foreach (EntityBase ent in Entities.Values)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    SceneObjectGroup reportingG = (SceneObjectGroup)ent;
+                    EntityIntersection result = reportingG.testIntersection(hray);
+                    if (result.HitTF)
+                    {
+                        if (result.distance < closestDistance)
+                        {
+                            gothit = true;
+                            closestDistance = result.distance;
+                            returnResult = result;
+                        }
+                    }
+                }
+
+            }
+            return returnResult;
+        }
+
         public SceneObjectPart GetSceneObjectPart(uint localID)
         {
             SceneObjectGroup group = GetGroupByPrim(localID);
-- 
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