From 31ad1bc82401c35d9c4f679ce91469c4be837f37 Mon Sep 17 00:00:00 2001
From: Yaski <andrei@alternativaplatform.com>
Date: Fri, 17 Aug 2012 19:15:01 +0600
Subject: [PATCH] Object3DUtils restored in old place

---
 changelog_en.txt                       |   1 -
 src/alternativa/utils/Object3DUtils.as | 113 -------------------------
 2 files changed, 114 deletions(-)
 delete mode 100644 src/alternativa/utils/Object3DUtils.as

diff --git a/changelog_en.txt b/changelog_en.txt
index 6b45c6a..85ea161 100644
--- a/changelog_en.txt
+++ b/changelog_en.txt
@@ -18,7 +18,6 @@ Fixed:
 = Box: correct tangents and binormals
 = Decal: Fixed incorrect drawing with extremaly low nearClipping.
 = View: Fixed bug with mouse events and postprocessing
-= Object3DUtils: moved to package alternativa.utils
 = Object3D.toString()
 
 Removed:
diff --git a/src/alternativa/utils/Object3DUtils.as b/src/alternativa/utils/Object3DUtils.as
deleted file mode 100644
index 7bda9d4..0000000
--- a/src/alternativa/utils/Object3DUtils.as
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
- * If it is not possible or desirable to put the notice in a particular file, then You may include the notice in a location (such as a LICENSE file in a relevant directory) where a recipient would be likely to look for such a notice.
- * You may add additional accurate notices of copyright ownership.
- *
- * It is desirable to notify that Covered Software was "Powered by AlternativaPlatform" with link to http://www.alternativaplatform.com/ 
- * */
-
-package alternativa.utils {
-
-	import alternativa.engine3d.alternativa3d;
-	import alternativa.engine3d.core.BoundBox;
-	import alternativa.engine3d.core.Object3D;
-	import alternativa.engine3d.core.Transform3D;
-
-	use namespace alternativa3d;
-
-	/**
-	 * @private
-	 */
-	public class Object3DUtils {
-
-		private static const toRootTransform:Transform3D = new Transform3D();
-		private static const fromRootTransform:Transform3D = new Transform3D();
-
-		private static const RAD2DEG:Number = 180/Math.PI;
-		private static const DEG2RAD:Number = Math.PI/180;
-
-
-		/**
-		 * Convert Degress to Radians and Radians to Degrees
-		 */
-		public static function toRadians(degrees:Number):Number{
-			return degrees * DEG2RAD;
-		}
-
-		/**
-		 * Convert Radians to Degrees
-		 */
-		public static function toDegrees(radians:Number):Number{
-			return radians * RAD2DEG;
-		}
-
-		/**
-         * Calculates a BoundBox of hierarchy of objects.
-         *
-         * @param object Container which contains the hierarchy.
-         * @param boundBoxSpace <code>Object3D</code> in coordinates of which the BoundBox will be calculated.
-         * @param result Instance of <code>BoundBox</code> to which calculated properties will be set.
-         *
-         * @return Instance given as <code>result</code> property with properties updated according to calculations. If <code>result</code> property was not set, new instance of <code>BoundBox</code> will be created.
-		 */
-		public static function calculateHierarchyBoundBox(object:Object3D, boundBoxSpace:Object3D = null, result:BoundBox = null):BoundBox {
-			if (result == null) result = new BoundBox();
-
-			if (boundBoxSpace != null && object != boundBoxSpace) {
-				// Calculate transfer matrix from object to provided space.
-				var objectRoot:Object3D;
-				var toSpaceTransform:Transform3D = null;
-
-				if (object.transformChanged) object.composeTransforms();
-				toRootTransform.copy(object.transform);
-				var root:Object3D = object;
-				while (root._parent != null) {
-					root = root._parent;
-					if (root.transformChanged) root.composeTransforms();
-					toRootTransform.append(root.transform);
-					if (root == boundBoxSpace) {
-						// Matrix has been composed.
-						toSpaceTransform = toRootTransform;
-					}
-				}
-				objectRoot = root;
-				if (toSpaceTransform == null) {
-					// Transfer matrix from root to needed space.
-					if (boundBoxSpace.transformChanged) boundBoxSpace.composeTransforms();
-					fromRootTransform.copy(boundBoxSpace.inverseTransform);
-					root = boundBoxSpace;
-					while (root._parent != null) {
-						root = root._parent;
-						if (root.transformChanged) root.composeTransforms();
-						fromRootTransform.prepend(root.inverseTransform);
-					}
-					if (objectRoot == root) {
-						toRootTransform.append(fromRootTransform);
-						toSpaceTransform = toRootTransform;
-					} else {
-						throw new ArgumentError("Object and boundBoxSpace must be located in the same hierarchy.");
-					}
-				}
-				updateBoundBoxHierarchically(object, result, toSpaceTransform);
-			} else {
-				updateBoundBoxHierarchically(object, result);
-			}
-			return result;
-		}
-
-		/**
-		 * @private
-		 * Calculates hierarchical bound.
-		 */
-		alternativa3d static function updateBoundBoxHierarchically(object:Object3D, boundBox:BoundBox, transform:Transform3D = null):void {
-			object.updateBoundBox(boundBox, transform);
-			for (var child:Object3D = object.childrenList; child != null; child = child.next) {
-				if (child.transformChanged) child.composeTransforms();
-				child.localToCameraTransform.copy(child.transform);
-				if (transform != null) child.localToCameraTransform.append(transform);
-				updateBoundBoxHierarchically(child, boundBox, child.localToCameraTransform);
-			}
-		}
-
-	}
-}